Merge pull request #1 from MoonchildProductions/master

keep up with mc

413 files changed, 9707 insertions, 22576 deletions

diff --git a/application/basilisk/Makefile.in b/application/basilisk/Makefile.in
index 2eb9e708f..92527eaa8 100644
--- a/application/basilisk/Makefile.in
+++ b/application/basilisk/Makefile.in
@@ -10,7 +10,4 @@ ifdef MAKENSISU
 # uninstaller is included with the application for mar file generation.
 libs::
 	$(MAKE) -C installer/windows uninstaller
-ifdef MOZ_MAINTENANCE_SERVICE
-	$(MAKE) -C installer/windows maintenanceservice_installer
-endif
 endif
diff --git a/application/basilisk/app/Makefile.in b/application/basilisk/app/Makefile.in
index 4a3b9758e..83d6cb36a 100644
--- a/application/basilisk/app/Makefile.in
+++ b/application/basilisk/app/Makefile.in
@@ -87,8 +87,10 @@ tools repackage:: $(DIST)/bin/$(MOZ_APP_NAME)
 	rsync -aL $(DIST)/bin/$(MOZ_APP_NAME) $(dist_dest)/Contents/MacOS
 	cp -RL $(DIST)/branding/firefox.icns $(dist_dest)/Contents/Resources/firefox.icns
 	cp -RL $(DIST)/branding/document.icns $(dist_dest)/Contents/Resources/document.icns
+ifdef MOZ_UPDATER
 	$(MKDIR) -p $(dist_dest)/Contents/Library/LaunchServices
 	mv -f $(dist_dest)/Contents/MacOS/updater.app/Contents/MacOS/org.mozilla.updater $(dist_dest)/Contents/Library/LaunchServices
 	ln -s ../../../../Library/LaunchServices/org.mozilla.updater $(dist_dest)/Contents/MacOS/updater.app/Contents/MacOS/org.mozilla.updater
+endif
 	printf APPLMOZB > $(dist_dest)/Contents/PkgInfo
 endif
diff --git a/application/basilisk/app/blocklist.xml b/application/basilisk/app/blocklist.xml
index 239fe43a4..435d0e78f 100644
--- a/application/basilisk/app/blocklist.xml
+++ b/application/basilisk/app/blocklist.xml
@@ -1,6 +1,8 @@
 <?xml version='1.0' encoding='UTF-8'?>
-<blocklist lastupdate="1521130300000" xmlns="http://www.mozilla.org/2006/addons-blocklist">
+<blocklist lastupdate="1547041082000" xmlns="http://www.mozilla.org/2006/addons-blocklist">
   <emItems>
+    <!-- Basilisk -->
+    <!-- Inherited malware items -->
     <emItem blockID="i988" id="{b12785f5-d8d0-4530-a3ea-5c4263b85bef}">
       <prefs/>
       <versionRange minVersion="0" maxVersion="*" severity="1"/>
diff --git a/application/basilisk/app/permissions b/application/basilisk/app/permissions
index cf0aa22fb..cc5535f21 100644
--- a/application/basilisk/app/permissions
+++ b/application/basilisk/app/permissions
@@ -7,6 +7,8 @@
 # See nsPermissionManager.cpp for more...

 

 # XPInstall

+origin	install	1	http://addons.basilisk-browser.org

+origin	install	1	https://addons.basilisk-browser.org

 origin	install	1	https://addons.mozilla.org

 origin	install	1	https://testpilot.firefox.com

 

diff --git a/application/basilisk/app/profile/basilisk.js b/application/basilisk/app/profile/basilisk.js
index 2df95a97f..4700eac44 100644
--- a/application/basilisk/app/profile/basilisk.js
+++ b/application/basilisk/app/profile/basilisk.js
@@ -36,24 +36,30 @@ pref("extensions.minCompatibleAppVersion", "4.0");
 
 pref("xpinstall.customConfirmationUI", true);
 
+#define AM_DOMAIN addons.basilisk-browser.org
+#define AM_AUS_ARGS reqVersion=%REQ_VERSION%&id=%ITEM_ID%&version=%ITEM_VERSION%&maxAppVersion=%ITEM_MAXAPPVERSION%&status=%ITEM_STATUS%&appID=%APP_ID%&appVersion=%APP_VERSION%&appOS=%APP_OS%&appABI=%APP_ABI%&locale=%APP_LOCALE%&currentAppVersion=%CURRENT_APP_VERSION%&updateType=%UPDATE_TYPE%&compatMode=%COMPATIBILITY_MODE%
+
 // Preferences for AMO integration
 pref("extensions.getAddons.cache.enabled", false);
-pref("extensions.getAddons.maxResults", 15);
-pref("extensions.getAddons.get.url", "https://services.addons.mozilla.org/%LOCALE%/firefox/api/%API_VERSION%/search/guid:%IDS%?src=firefox&appOS=%OS%&appVersion=%VERSION%");
-pref("extensions.getAddons.getWithPerformance.url", "https://services.addons.mozilla.org/%LOCALE%/firefox/api/%API_VERSION%/search/guid:%IDS%?src=firefox&appOS=%OS%&appVersion=%VERSION%&tMain=%TIME_MAIN%&tFirstPaint=%TIME_FIRST_PAINT%&tSessionRestored=%TIME_SESSION_RESTORED%");
-pref("extensions.getAddons.search.browseURL", "https://addons.mozilla.org/%LOCALE%/firefox/search?q=%TERMS%&platform=%OS%&appver=%VERSION%");
-pref("extensions.getAddons.search.url", "https://services.addons.mozilla.org/%LOCALE%/firefox/api/%API_VERSION%/search/%TERMS%/all/%MAX_RESULTS%/%OS%/%VERSION%/%COMPATIBILITY_MODE%?src=firefox");
-pref("extensions.webservice.discoverURL", "https://discovery.addons.mozilla.org/%LOCALE%/firefox/discovery/pane/%VERSION%/%OS%/%COMPATIBILITY_MODE%");
-pref("extensions.getAddons.recommended.url", "https://services.addons.mozilla.org/%LOCALE%/%APP%/api/%API_VERSION%/list/recommended/all/%MAX_RESULTS%/%OS%/%VERSION%?src=firefox");
-pref("extensions.getAddons.link.url", "https://addons.mozilla.org/%LOCALE%/firefox/");
+pref("extensions.getAddons.maxResults", 10);
+pref("extensions.getAddons.get.url", "https://@AM_DOMAIN@/?component=integration&type=internal&request=get&addonguid=%IDS%&os=%OS%&version=%VERSION%");
+pref("extensions.getAddons.getWithPerformance.url", "https://@AM_DOMAIN@/?component=integration&type=internal&request=get&addonguid=%IDS%&os=%OS%&version=%VERSION%");
+pref("extensions.getAddons.search.browseURL", "https://@AM_DOMAIN@/search/?terms=%TERMS%");
+pref("extensions.getAddons.search.url", "https://@AM_DOMAIN@/?component=integration&type=internal&request=search&q=%TERMS%&locale=%LOCALE%&os=%OS%&version=%VERSION%");
+pref("extensions.webservice.discoverURL", "http://@AM_DOMAIN@/?component=discover");
+pref("extensions.getAddons.recommended.url", "https://@AM_DOMAIN@/?component=integration&type=internal&request=recommended&locale=%LOCALE%&os=%OS%");
+pref("extensions.getAddons.browseAddons", "http://@AM_DOMAIN@/");
+pref("extensions.getAddons.recommended.browseURL", "https://@AM_DOMAIN@/?component=integration&type=external&request=recommended");
 
 pref("extensions.update.autoUpdateDefault", true);
 
+// Leave these for the moment...
 pref("extensions.hotfix.id", "firefox-hotfix@mozilla.org");
 pref("extensions.hotfix.cert.checkAttributes", true);
 pref("extensions.hotfix.certs.1.sha1Fingerprint", "91:53:98:0C:C1:86:DF:47:8F:35:22:9E:11:C9:A7:31:04:49:A1:AA");
 pref("extensions.hotfix.certs.2.sha1Fingerprint", "39:E7:2B:7A:5B:CF:37:78:F9:5D:4A:E0:53:2D:2F:3D:68:53:C5:60");
 
+// Also, leave this for the moment...
 // Check AUS for system add-on updates.
 pref("extensions.systemAddon.update.url", "https://aus5.mozilla.org/update/3/SystemAddons/%VERSION%/%BUILD_ID%/%BUILD_TARGET%/%LOCALE%/%CHANNEL%/%OS_VERSION%/%DISTRIBUTION%/%DISTRIBUTION_VERSION%/update.xml");
 
@@ -66,11 +72,14 @@ pref("extensions.webextensions.base-content-security-policy", "script-src 'self'
 pref("extensions.webextensions.default-content-security-policy", "script-src 'self'; object-src 'self';");
 
 // Require signed add-ons by default
-pref("xpinstall.signatures.required", true);
+pref("xpinstall.signatures.required", false);
 pref("xpinstall.signatures.devInfoURL", "https://wiki.mozilla.org/Addons/Extension_Signing");
 
 // Dictionary download preference
-pref("browser.dictionaries.download.url", "https://addons.mozilla.org/%LOCALE%/firefox/dictionaries/");
+pref("browser.dictionaries.download.url", "http://@AM_DOMAIN@/dictionaries/");
+
+// Get More Tools link URL
+pref("browser.getdevtools.url","https://@AM_DOMAIN@/?component=integration&type=external&request=devtools");
 
 // At startup, should we check to see if the installation
 // date is older than some threshold
@@ -135,17 +144,15 @@ pref("app.update.url", "https://aus5.mozilla.org/update/6/%PRODUCT%/%VERSION%/%B
 // app.update.url.manual is in branding section
 // app.update.url.details is in branding section
 
+// User-settable override to app.update.url for testing purposes.
+//pref("app.update.url.override", "");
+
 // app.update.interval is in branding section
 // app.update.promptWaitTime is in branding section
 
 // Show the Update Checking/Ready UI when the user was idle for x seconds
 pref("app.update.idletime", 60);
 
-// Whether or not to attempt using the service for updates.
-#ifdef MOZ_MAINTENANCE_SERVICE
-pref("app.update.service.enabled", true);
-#endif
-
 // Symmetric (can be overridden by individual extensions) update preferences.
 // e.g.
 //  extensions.{GUID}.update.enabled
@@ -153,8 +160,8 @@ pref("app.update.service.enabled", true);
 //  .. etc ..
 //
 pref("extensions.update.enabled", true);
-pref("extensions.update.url", "https://versioncheck.addons.mozilla.org/update/VersionCheck.php?reqVersion=%REQ_VERSION%&id=%ITEM_ID%&version=%ITEM_VERSION%&maxAppVersion=%ITEM_MAXAPPVERSION%&status=%ITEM_STATUS%&appID=%APP_ID%&appVersion=52.9&appOS=%APP_OS%&appABI=%APP_ABI%&locale=%APP_LOCALE%&currentAppVersion=%CURRENT_APP_VERSION%&updateType=%UPDATE_TYPE%&compatMode=%COMPATIBILITY_MODE%");
-pref("extensions.update.background.url", "https://versioncheck-bg.addons.mozilla.org/update/VersionCheck.php?reqVersion=%REQ_VERSION%&id=%ITEM_ID%&version=%ITEM_VERSION%&maxAppVersion=%ITEM_MAXAPPVERSION%&status=%ITEM_STATUS%&appID=%APP_ID%&appVersion=52.9&appOS=%APP_OS%&appABI=%APP_ABI%&locale=%APP_LOCALE%&currentAppVersion=%CURRENT_APP_VERSION%&updateType=%UPDATE_TYPE%&compatMode=%COMPATIBILITY_MODE%");
+pref("extensions.update.url", "https://@AM_DOMAIN@/?component=aus&@AM_AUS_ARGS@");
+pref("extensions.update.background.url", "https://@AM_DOMAIN@/?component=aus&@AM_AUS_ARGS@");
 pref("extensions.update.interval", 86400);  // Check for updates to Extensions and
                                             // Themes every day
 // Non-symmetric (not shared by extensions) extension-specific [update] preferences
@@ -166,7 +173,7 @@ pref("extensions.{972ce4c6-7e08-4474-a285-3208198ce6fd}.name", "chrome://browser
 pref("extensions.{972ce4c6-7e08-4474-a285-3208198ce6fd}.description", "chrome://browser/locale/browser.properties");
 
 pref("lightweightThemes.update.enabled", true);
-pref("lightweightThemes.getMoreURL", "https://addons.mozilla.org/%LOCALE%/firefox/themes");
+pref("lightweightThemes.getMoreURL", "http://@AM_DOMAIN@/personas/");
 pref("lightweightThemes.recommendedThemes", "[{\"id\":\"recommended-1\",\"homepageURL\":\"https://addons.mozilla.org/firefox/addon/a-web-browser-renaissance/\",\"headerURL\":\"resource:///chrome/browser/content/browser/defaultthemes/1.header.jpg\",\"footerURL\":\"resource:///chrome/browser/content/browser/defaultthemes/1.footer.jpg\",\"textcolor\":\"#000000\",\"accentcolor\":\"#f2d9b1\",\"iconURL\":\"resource:///chrome/browser/content/browser/defaultthemes/1.icon.jpg\",\"previewURL\":\"resource:///chrome/browser/content/browser/defaultthemes/1.preview.jpg\",\"author\":\"Sean.Martell\",\"version\":\"0\"},{\"id\":\"recommended-2\",\"homepageURL\":\"https://addons.mozilla.org/firefox/addon/space-fantasy/\",\"headerURL\":\"resource:///chrome/browser/content/browser/defaultthemes/2.header.jpg\",\"footerURL\":\"resource:///chrome/browser/content/browser/defaultthemes/2.footer.jpg\",\"textcolor\":\"#ffffff\",\"accentcolor\":\"#d9d9d9\",\"iconURL\":\"resource:///chrome/browser/content/browser/defaultthemes/2.icon.jpg\",\"previewURL\":\"resource:///chrome/browser/content/browser/defaultthemes/2.preview.jpg\",\"author\":\"fx5800p\",\"version\":\"1.0\"},{\"id\":\"recommended-3\",\"homepageURL\":\"https://addons.mozilla.org/firefox/addon/linen-light/\",\"headerURL\":\"resource:///chrome/browser/content/browser/defaultthemes/3.header.png\",\"footerURL\":\"resource:///chrome/browser/content/browser/defaultthemes/3.footer.png\",\"accentcolor\":\"#ada8a8\",\"iconURL\":\"resource:///chrome/browser/content/browser/defaultthemes/3.icon.png\",\"previewURL\":\"resource:///chrome/browser/content/browser/defaultthemes/3.preview.png\",\"author\":\"DVemer\",\"version\":\"1.0\"},{\"id\":\"recommended-4\",\"homepageURL\":\"https://addons.mozilla.org/firefox/addon/pastel-gradient/\",\"headerURL\":\"resource:///chrome/browser/content/browser/defaultthemes/4.header.png\",\"footerURL\":\"resource:///chrome/browser/content/browser/defaultthemes/4.footer.png\",\"textcolor\":\"#000000\",\"accentcolor\":\"#000000\",\"iconURL\":\"resource:///chrome/browser/content/browser/defaultthemes/4.icon.png\",\"previewURL\":\"resource:///chrome/browser/content/browser/defaultthemes/4.preview.png\",\"author\":\"darrinhenein\",\"version\":\"1.0\"},{\"id\":\"recommended-5\",\"homepageURL\":\"https://addons.mozilla.org/firefox/addon/carbon-light/\",\"headerURL\":\"resource:///chrome/browser/content/browser/defaultthemes/5.header.png\",\"footerURL\":\"resource:///chrome/browser/content/browser/defaultthemes/5.footer.png\",\"textcolor\":\"#3b3b3b\",\"accentcolor\":\"#2e2e2e\",\"iconURL\":\"resource:///chrome/browser/content/browser/defaultthemes/5.icon.jpg\",\"previewURL\":\"resource:///chrome/browser/content/browser/defaultthemes/5.preview.jpg\",\"author\":\"Jaxivo\",\"version\":\"1.0\"}]");
 
 #if defined(MOZ_ADOBE_EME) || defined(MOZ_WIDEVINE_EME)
@@ -329,7 +336,7 @@ pref("browser.helperApps.deleteTempFileOnExit", true);
 #endif
 
 // search engines URL
-pref("browser.search.searchEnginesURL",      "https://addons.mozilla.org/%LOCALE%/firefox/search-engines/");
+pref("browser.search.searchEnginesURL",      "https://@AM_DOMAIN@/search-plugins/");
 
 // pointer to the default engine name
 pref("browser.search.defaultenginename",      "chrome://browser-region/locale/region.properties");
@@ -543,9 +550,10 @@ pref("browser.gesture.tap", "cmd_fullZoomReset");
 pref("browser.snapshots.limit", 0);
 
 // 0: Nothing happens
-// 1: Scrolling contents
+// 1: Scroll contents
 // 2: Go back or go forward, in your history
-// 3: Zoom in or out.
+// 3: Zoom in or out
+// 4: Scroll contents with X and Y swapped
 #ifdef XP_MACOSX
 // On OS X, if the wheel has one axis only, shift+wheel comes through as a
 // horizontal scroll event. Thus, we can't assign anything other than normal
@@ -579,6 +587,10 @@ pref("network.captive-portal-service.enabled", true);
 // If true, network link events will change the value of navigator.onLine
 pref("network.manage-offline-status", true);
 
+// Enable opportunistic encryption by default
+pref("network.http.altsvc.oe", true);
+pref("network.http.upgrade-insecure-requests", true);
+
 // We want to make sure mail URLs are handled externally...
 pref("network.protocol-handler.external.mailto", true); // for mail
 pref("network.protocol-handler.external.news", true);   // for news
@@ -1046,6 +1058,9 @@ sticky_pref("browser.newtabpage.enhanced", false);
 // enables Activity Stream inspired layout
 pref("browser.newtabpage.compact", false);
 
+// Disables capturing of page thumbnails
+pref("browser.pagethumbnails.capturing_disabled", false);
+
 // enables showing basic placeholders for missing thumbnails
 pref("browser.newtabpage.thumbnailPlaceholder", false);
 
@@ -1265,13 +1280,6 @@ pref("media.gmp-widevinecdm.enabled", true);
 // -1 means no experiment is run and we use the preferred value for frecency (6h)
 pref("browser.cache.frecency_experiment", 0);
 
-pref("browser.translation.detectLanguage", false);
-pref("browser.translation.neverForLanguages", "");
-// Show the translation UI bits, like the info bar, notification icon and preferences.
-pref("browser.translation.ui.show", false);
-// Allows to define the translation engine. Bing is default, Yandex may optionally switched on.
-pref("browser.translation.engine", "bing");
-
 // Telemetry settings.
 // Determines if Telemetry pings can be archived locally.
 pref("toolkit.telemetry.archive.enabled", true);
@@ -1285,17 +1293,6 @@ pref("privacy.trackingprotection.ui.enabled", true);
 pref("privacy.trackingprotection.ui.enabled", false);
 #endif
 
-// Enable Contextual Identity Containers
-#ifdef NIGHTLY_BUILD
-pref("privacy.userContext.enabled", true);
-pref("privacy.userContext.ui.enabled", true);
-pref("privacy.usercontext.about_newtab_segregation.enabled", true);
-#else
-pref("privacy.userContext.enabled", false);
-pref("privacy.userContext.ui.enabled", false);
-pref("privacy.usercontext.about_newtab_segregation.enabled", false);
-#endif
-
 #ifndef RELEASE_OR_BETA
 // At the moment, autostart.2 is used, while autostart.1 is unused.
 // We leave it here set to false to reset users' defaults and allow
@@ -1430,3 +1427,11 @@ pref("browser.crashReports.unsubmittedCheck.autoSubmit2", false);
 // controlling validation are located in /services/sync/services-sync.js
 pref("services.sync.validation.enabled", true);
 #endif
+
+// When a user cancels this number of authentication dialogs coming from
+// a single web page (eTLD+1) in a row, all following authentication dialogs
+// will be blocked (automatically canceled) for that page.
+// This counter is per-tab and per-domain to minimize false positives.
+// The counter resets when the page is reloaded from the UI
+// (content-reloads do NOT clear this to mitigate reloading tricks).
+pref("prompts.authentication_dialog_abuse_limit", 3);
diff --git a/application/basilisk/base/content/aboutRobots-icon.png b/application/basilisk/base/content/aboutRobots-icon.png
deleted file mode 100644
index 1c4899aaf..000000000
--- a/application/basilisk/base/content/aboutRobots-icon.png
+++ /dev/null
diff --git a/application/basilisk/base/content/aboutRobots-widget-left.png b/application/basilisk/base/content/aboutRobots-widget-left.png
deleted file mode 100644
index 3a1e48d5f..000000000
--- a/application/basilisk/base/content/aboutRobots-widget-left.png
+++ /dev/null
diff --git a/application/basilisk/base/content/aboutRobots.xhtml b/application/basilisk/base/content/aboutRobots.xhtml
deleted file mode 100644
index 23fe3ba17..000000000
--- a/application/basilisk/base/content/aboutRobots.xhtml
+++ /dev/null
@@ -1,108 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-
-<!-- This Source Code Form is subject to the terms of the Mozilla Public
-   - License, v. 2.0. If a copy of the MPL was not distributed with this
-   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
-
-<!DOCTYPE html [
-  <!ENTITY % htmlDTD
-    PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
-    "DTD/xhtml1-strict.dtd">
-  %htmlDTD;
-  <!ENTITY % netErrorDTD
-    SYSTEM "chrome://global/locale/netError.dtd">
-  %netErrorDTD;
-  <!ENTITY % globalDTD
-    SYSTEM "chrome://global/locale/global.dtd">
-  %globalDTD;
-  <!ENTITY % aboutrobotsDTD
-    SYSTEM "chrome://browser/locale/aboutRobots.dtd">
-  %aboutrobotsDTD;
-]>
-
-<html xmlns="http://www.w3.org/1999/xhtml">
-  <head>
-    <title>&robots.pagetitle;</title>
-    <link rel="stylesheet" href="chrome://global/skin/netError.css" type="text/css" media="all" />
-    <link rel="icon" type="image/png" id="favicon" href="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8%2F9hAAAACGFjVEwAAAASAAAAAJNtBPIAAAAaZmNUTAAAAAAAAAAQAAAAEAAAAAAAAAAALuAD6AABhIDeugAAALhJREFUOI2Nk8sNxCAMRDlGohauXFOMpfTiAlxICqAELltHLqlgctg1InzMRhpFAc%2BLGWTnmoeZYamt78zXdZmaQtQMADlnU0OIAlbmJUBEcO4bRKQY2rUXIPmAGnDuG%2FBx3%2FfvOPVaDUg%2BoAPUf1PArIMCSD5glMEsUGaG%2BkyAFWIBaCsKuA%2BHGCNijLgP133XgOEtaPFMy2vUolEGJoCIzBmoRUR9%2B7rxj16DZaW%2FmgtmxnJ8V3oAnApQwNS5zpcAAAAaZmNUTAAAAAEAAAAQAAAAEAAAAAAAAAAAAB4D6AIB52fclgAAACpmZEFUAAAAAjiNY2AYBVhBc3Pzf2LEcGreqcbwH1kDNjHauWAUjAJyAADymxf9WF%2Bu8QAAABpmY1RMAAAAAwAAABAAAAAQAAAAAAAAAAAAHgPoAgEK8Q9%2FAAAAFmZkQVQAAAAEOI1jYBgFo2AUjAIIAAAEEAAB0xIn4wAAABpmY1RMAAAABQAAABAAAAAQAAAAAAAAAAAAHgPoAgHnO30FAAAAQGZkQVQAAAAGOI1jYBieYKcaw39ixHCC%2F6cwFWMTw2rz%2F1MM%2F6Vu%2Ff%2F%2F%2FxTD%2F51qEIwuRjsXILuEGLFRMApgAADhNCsVfozYcAAAABpmY1RMAAAABwAAABAAAAAQAAAAAAAAAAAAHgPoAgEKra7sAAAAFmZkQVQAAAAIOI1jYBgFo2AUjAIIAAAEEAABM9s3hAAAABpmY1RMAAAACQAAABAAAAAQAAAAAAAAAAAAHgPoAgHn3p%2BwAAAAKmZkQVQAAAAKOI1jYBgFWEFzc%2FN%2FYsRwat6pxvAfWQM2Mdq5YBSMAnIAAPKbF%2F1BhPl6AAAAGmZjVEwAAAALAAAAEAAAABAAAAAAAAAAAAAeA%2BgCAQpITFkAAAAWZmRBVAAAAAw4jWNgGAWjYBSMAggAAAQQAAHaszpmAAAAGmZjVEwAAAANAAAAEAAAABAAAAAAAAAAAAAeA%2BgCAeeCPiMAAABAZmRBVAAAAA44jWNgGJ5gpxrDf2LEcIL%2FpzAVYxPDavP%2FUwz%2FpW79%2F%2F%2F%2FFMP%2FnWoQjC5GOxcgu4QYsVEwCmAAAOE0KxUmBL0KAAAAGmZjVEwAAAAPAAAAEAAAABAAAAAAAAAAAAAeA%2BgCAQoU7coAAAAWZmRBVAAAABA4jWNgGAWjYBSMAggAAAQQAAEpOBELAAAAGmZjVEwAAAARAAAAEAAAABAAAAAAAAAAAAAeA%2BgCAeYVWtoAAAAqZmRBVAAAABI4jWNgGAVYQXNz839ixHBq3qnG8B9ZAzYx2rlgFIwCcgAA8psX%2FWvpAecAAAAaZmNUTAAAABMAAAAQAAAAEAAAAAAAAAAAAB4D6AIBC4OJMwAAABZmZEFUAAAAFDiNY2AYBaNgFIwCCAAABBAAAcBQHOkAAAAaZmNUTAAAABUAAAAQAAAAEAAAAAAAAAAAAB4D6AIB5kn7SQAAAEBmZEFUAAAAFjiNY2AYnmCnGsN%2FYsRwgv%2BnMBVjE8Nq8%2F9TDP%2Blbv3%2F%2F%2F8Uw%2F%2BdahCMLkY7FyC7hBixUTAKYAAA4TQrFc%2BcEoQAAAAaZmNUTAAAABcAAAAQAAAAEAAAAAAAAAAAAB4D6AIBC98ooAAAABZmZEFUAAAAGDiNY2AYBaNgFIwCCAAABBAAASCZDI4AAAAaZmNUTAAAABkAAAAQAAAAEAAAAAAAAAAAAB4D6AIB5qwZ%2FAAAACpmZEFUAAAAGjiNY2AYBVhBc3Pzf2LEcGreqcbwH1kDNjHauWAUjAJyAADymxf9cjJWbAAAABpmY1RMAAAAGwAAABAAAAAQAAAAAAAAAAAAHgPoAgELOsoVAAAAFmZkQVQAAAAcOI1jYBgFo2AUjAIIAAAEEAAByfEBbAAAABpmY1RMAAAAHQAAABAAAAAQAAAAAAAAAAAAHgPoAgHm8LhvAAAAQGZkQVQAAAAeOI1jYBieYKcaw39ixHCC%2F6cwFWMTw2rz%2F1MM%2F6Vu%2Ff%2F%2F%2FxTD%2F51qEIwuRjsXILuEGLFRMApgAADhNCsVlxR3%2FgAAABpmY1RMAAAAHwAAABAAAAAQAAAAAAAAAAAAHgPoAgELZmuGAAAAFmZkQVQAAAAgOI1jYBgFo2AUjAIIAAAEEAABHP5cFQAAABpmY1RMAAAAIQAAABAAAAAQAAAAAAAAAAAAHgPoAgHlgtAOAAAAKmZkQVQAAAAiOI1jYBgFWEFzc%2FN%2FYsRwat6pxvAfWQM2Mdq5YBSMAnIAAPKbF%2F0%2FMvDdAAAAAElFTkSuQmCC"/>
-
-    <script type="application/javascript"><![CDATA[
-      var buttonClicked = false;
-      function robotButton()
-      {
-        var button = document.getElementById('errorTryAgain');
-        if (buttonClicked) {
-          button.style.visibility = "hidden";
-        } else {
-          var newLabel = button.getAttribute("label2");
-          button.textContent = newLabel;
-          buttonClicked = true;
-        }
-      }
-    ]]></script>
-
-    <style type="text/css"><![CDATA[
-      #errorPageContainer {
-        background-image: none;
-      }
-
-      #errorPageContainer:before {
-        content: url('chrome://browser/content/aboutRobots-icon.png');
-        position: absolute;
-      }
-
-      body[dir=rtl] #icon,
-      body[dir=rtl] #errorPageContainer:before {
-        transform: scaleX(-1);
-      }
-    ]]></style>
-  </head>
-
-  <body dir="&locale.dir;">
-
-    <!-- PAGE CONTAINER (for styling purposes only) -->
-    <div id="errorPageContainer">
-
-      <!-- Error Title -->
-      <div id="errorTitle">
-        <h1 id="errorTitleText">&robots.errorTitleText;</h1>
-      </div>
-
-      <!-- LONG CONTENT (the section most likely to require scrolling) -->
-      <div id="errorLongContent">
-
-        <!-- Short Description -->
-        <div id="errorShortDesc">
-          <p id="errorShortDescText">&robots.errorShortDescText;</p>
-        </div>
-
-        <!-- Long Description (Note: See netError.dtd for used XHTML tags) -->
-        <div id="errorLongDesc">
-          <ul>
-            <li>&robots.errorLongDesc1;</li>
-            <li>&robots.errorLongDesc2;</li>
-            <li>&robots.errorLongDesc3;</li>
-            <li>&robots.errorLongDesc4;</li>
-          </ul>
-        </div>
-
-        <!-- Short Description -->
-        <div id="errorTrailerDesc">
-          <p id="errorTrailerDescText">&robots.errorTrailerDescText;</p>
-        </div>
-
-      </div>
-
-      <!-- Button -->
-      <button id="errorTryAgain"
-              label2="&robots.dontpress;"
-              onclick="robotButton();">&retry.label;</button>
-
-      <img src="chrome://browser/content/aboutRobots-widget-left.png"
-           style="position: absolute; bottom: -12px; left: -10px;"/>
-      <img src="chrome://browser/content/aboutRobots-widget-left.png"
-           style="position: absolute; bottom: -12px; right: -10px; transform: scaleX(-1);"/>
-    </div>
-
-  </body>
-</html>
diff --git a/application/basilisk/base/content/browser-context.inc b/application/basilisk/base/content/browser-context.inc
index 36e0478af..2f6b19da0 100644
--- a/application/basilisk/base/content/browser-context.inc
+++ b/application/basilisk/base/content/browser-context.inc
@@ -51,23 +51,11 @@
                 label="&openLinkCmdInCurrent.label;"
                 accesskey="&openLinkCmdInCurrent.accesskey;"
                 oncommand="gContextMenu.openLinkInCurrent();"/>
-# label and data-usercontextid are dynamically set.
-      <menuitem id="context-openlinkincontainertab"
-                accesskey="&openLinkCmdInTab.accesskey;"
-                oncommand="gContextMenu.openLinkInTab(event);"/>
+# label is dynamically set.
       <menuitem id="context-openlinkintab"
                 label="&openLinkCmdInTab.label;"
                 accesskey="&openLinkCmdInTab.accesskey;"
-                data-usercontextid="0"
-                oncommand="gContextMenu.openLinkInTab(event);"/>
-
-      <menu id="context-openlinkinusercontext-menu"
-            label="&openLinkCmdInContainerTab.label;"
-            accesskey="&openLinkCmdInContainerTab.accesskey;"
-            hidden="true">
-        <menupopup oncommand="gContextMenu.openLinkInTab(event);"
-                   onpopupshowing="return gContextMenu.createContainerMenu(event);" />
-      </menu>
+                oncommand="gContextMenu.openLinkInTab();"/>
 
       <menuitem id="context-openlink"
                 label="&openLinkCmd.label;"
diff --git a/application/basilisk/base/content/browser-fullScreenAndPointerLock.js b/application/basilisk/base/content/browser-fullScreenAndPointerLock.js
index dbc9478c1..b26a31f78 100644
--- a/application/basilisk/base/content/browser-fullScreenAndPointerLock.js
+++ b/application/basilisk/base/content/browser-fullScreenAndPointerLock.js
@@ -322,15 +322,9 @@ var FullScreen = {
       document.addEventListener("popuphidden", this._setPopupOpen, false);
       // If it is not safe to collapse, add the mouse position tracker or
       // else it won't be possible to hide the navigation toolbox again
-      if (!this._safeToCollapse()) {
-        let rect = gBrowser.mPanelContainer.getBoundingClientRect();
-        this._mouseTargetRect = {
-          top: rect.top + 50,
-          bottom: rect.bottom,
-          left: rect.left,
-          right: rect.right
-        };
-        MousePosTracker.addListener(this);
+      if (gPrefService.getBoolPref("browser.fullscreen.autohide")) {
+        gBrowser.mPanelContainer.addEventListener("mousemove",
+                                                  this._collapseCallback, false);
       }
       // In DOM fullscreen mode, we hide toolbars with CSS
       if (!document.fullscreenElement)
@@ -379,12 +373,10 @@ var FullScreen = {
           let topWin = event.target.ownerGlobal.top;
           browser = gBrowser.getBrowserForContentWindow(topWin);
         }
-        TelemetryStopwatch.start("FULLSCREEN_CHANGE_MS");
         this.enterDomFullscreen(browser);
         break;
       }
       case "MozDOMFullscreen:Exited":
-        TelemetryStopwatch.start("FULLSCREEN_CHANGE_MS");
         this.cleanupDomFullscreen();
         break;
     }
@@ -410,7 +402,6 @@ var FullScreen = {
       }
       case "DOMFullscreen:Painted": {
         Services.obs.notifyObservers(window, "fullscreen-painted", "");
-        TelemetryStopwatch.finish("FULLSCREEN_CHANGE_MS");
         break;
       }
     }
@@ -471,7 +462,8 @@ var FullScreen = {
 
   cleanup: function () {
     if (!window.fullScreen) {
-      MousePosTracker.removeListener(this);
+      gBrowser.mPanelContainer.removeEventListener("mousemove",
+                                                   this._collapseCallback, false);
       document.removeEventListener("keypress", this._keyToggleCallback, false);
       document.removeEventListener("popupshown", this._setPopupOpen, false);
       document.removeEventListener("popuphidden", this._setPopupOpen, false);
@@ -500,17 +492,12 @@ var FullScreen = {
                  .getInterface(Ci.nsIDOMWindowUtils);
   },
 
-  getMouseTargetRect: function()
-  {
-    return this._mouseTargetRect;
-  },
-
   // Event callbacks
   _expandCallback: function()
   {
     FullScreen.showNavToolbox();
   },
-  onMouseEnter: function()
+  _collapseCallback: function()
   {
     FullScreen.hideNavToolbox();
   },
@@ -591,14 +578,8 @@ var FullScreen = {
 
     // Track whether mouse is near the toolbox
     if (trackMouse && !this.useLionFullScreen) {
-      let rect = gBrowser.mPanelContainer.getBoundingClientRect();
-      this._mouseTargetRect = {
-        top: rect.top + 50,
-        bottom: rect.bottom,
-        left: rect.left,
-        right: rect.right
-      };
-      MousePosTracker.addListener(this);
+      gBrowser.mPanelContainer.addEventListener("mousemove",
+                                                this._collapseCallback, false);
     }
 
     this._isChromeCollapsed = false;
@@ -625,7 +606,8 @@ var FullScreen = {
     gNavToolbox.style.marginTop =
       -gNavToolbox.getBoundingClientRect().height + "px";
     this._isChromeCollapsed = true;
-    MousePosTracker.removeListener(this);
+    gBrowser.mPanelContainer.removeEventListener("mousemove",
+                                                 this._collapseCallback, false);
   },
 
   _updateToolbars: function (aEnterFS) {
diff --git a/application/basilisk/base/content/browser-fxaccounts.js b/application/basilisk/base/content/browser-fxaccounts.js
index 0bbce3e26..e1d556bff 100644
--- a/application/basilisk/base/content/browser-fxaccounts.js
+++ b/application/basilisk/base/content/browser-fxaccounts.js
@@ -4,8 +4,6 @@
 
 var gFxAccounts = {
 
-  SYNC_MIGRATION_NOTIFICATION_TITLE: "fxa-migration",
-
   _initialized: false,
   _inCustomizationMode: false,
   _cachedProfile: null,
@@ -26,7 +24,6 @@ var gFxAccounts = {
       "weave:service:setup-complete",
       "weave:service:sync:error",
       "weave:ui:login:error",
-      "fxa-migration:state-changed",
       this.FxAccountsCommon.ONLOGIN_NOTIFICATION,
       this.FxAccountsCommon.ONLOGOUT_NOTIFICATION,
       this.FxAccountsCommon.ON_PROFILE_CHANGE_NOTIFICATION,
@@ -80,15 +77,6 @@ var gFxAccounts = {
     return Weave.Status.login == Weave.LOGIN_FAILED_LOGIN_REJECTED;
   },
 
-  get sendTabToDeviceEnabled() {
-    return Services.prefs.getBoolPref("services.sync.sendTabToDevice.enabled");
-  },
-
-  get remoteClients() {
-    return Weave.Service.clientsEngine.remoteClients
-           .sort((a, b) => a.name.localeCompare(b.name));
-  },
-
   init: function () {
     // Bail out if we're already initialized and for pop-up windows.
     if (this._initialized || !window.toolbar.visible) {
@@ -122,9 +110,6 @@ var gFxAccounts = {
 
   observe: function (subject, topic, data) {
     switch (topic) {
-      case "fxa-migration:state-changed":
-        this.onMigrationStateChanged(data, subject);
-        break;
       case this.FxAccountsCommon.ON_PROFILE_CHANGE_NOTIFICATION:
         this._cachedProfile = null;
         // Fallthrough intended
@@ -134,48 +119,6 @@ var gFxAccounts = {
     }
   },
 
-  onMigrationStateChanged: function () {
-    // Since we nuked most of the migration code, this notification will fire
-    // once after legacy Sync has been disconnected (and should never fire
-    // again)
-    let nb = window.document.getElementById("global-notificationbox");
-
-    let msg = this.strings.GetStringFromName("autoDisconnectDescription")
-    let signInLabel = this.strings.GetStringFromName("autoDisconnectSignIn.label");
-    let signInAccessKey = this.strings.GetStringFromName("autoDisconnectSignIn.accessKey");
-    let learnMoreLink = this.fxaMigrator.learnMoreLink;
-
-    let buttons = [
-      {
-        label: signInLabel,
-        accessKey: signInAccessKey,
-        callback: () => {
-          this.openPreferences();
-        }
-      }
-    ];
-
-    let fragment = document.createDocumentFragment();
-    let msgNode = document.createTextNode(msg);
-    fragment.appendChild(msgNode);
-    if (learnMoreLink) {
-      let link = document.createElement("label");
-      link.className = "text-link";
-      link.setAttribute("value", learnMoreLink.text);
-      link.href = learnMoreLink.href;
-      fragment.appendChild(link);
-    }
-
-    nb.appendNotification(fragment,
-                          this.SYNC_MIGRATION_NOTIFICATION_TITLE,
-                          undefined,
-                          nb.PRIORITY_WARNING_LOW,
-                          buttons);
-
-    // ensure the hamburger menu reflects the newly disconnected state.
-    this.updateAppMenuItem();
-  },
-
   handleEvent: function (event) {
     this._inCustomizationMode = event.type == "customizationstarting";
     this.updateAppMenuItem();
@@ -201,11 +144,6 @@ var gFxAccounts = {
       profileInfoEnabled = Services.prefs.getBoolPref("identity.fxaccounts.profile_image.enabled");
     } catch (e) { }
 
-    // Bail out if FxA is disabled.
-    if (!this.weave.fxAccountsEnabled) {
-      return Promise.resolve();
-    }
-
     this.panelUIFooter.hidden = false;
 
     // Make sure the button is disabled in customization mode.
@@ -224,6 +162,7 @@ var gFxAccounts = {
     let defaultLabel = this.panelUIStatus.getAttribute("defaultlabel");
     let errorLabel = this.panelUIStatus.getAttribute("errorlabel");
     let unverifiedLabel = this.panelUIStatus.getAttribute("unverifiedlabel");
+    let settingslabel = this.panelUIStatus.getAttribute("settingslabel");
     // The localization string is for the signed in text, but it's the default text as well
     let defaultTooltiptext = this.panelUIStatus.getAttribute("signedinTooltiptext");
 
@@ -239,34 +178,19 @@ var gFxAccounts = {
       this.panelUIFooter.removeAttribute("fxastatus");
       this.panelUIFooter.removeAttribute("fxaprofileimage");
       this.panelUIAvatar.style.removeProperty("list-style-image");
-      let showErrorBadge = false;
-      if (userData) {
-        // At this point we consider the user as logged-in (but still can be in an error state)
-        if (this.loginFailed) {
-          let tooltipDescription = this.strings.formatStringFromName("reconnectDescription", [userData.email], 1);
-          this.panelUIFooter.setAttribute("fxastatus", "error");
-          this.panelUILabel.setAttribute("label", errorLabel);
-          this.panelUIStatus.setAttribute("tooltiptext", tooltipDescription);
-          showErrorBadge = true;
-        } else if (!userData.verified) {
-          let tooltipDescription = this.strings.formatStringFromName("verifyDescription", [userData.email], 1);
-          this.panelUIFooter.setAttribute("fxastatus", "error");
-          this.panelUIFooter.setAttribute("unverified", "true");
-          this.panelUILabel.setAttribute("label", unverifiedLabel);
-          this.panelUIStatus.setAttribute("tooltiptext", tooltipDescription);
-          showErrorBadge = true;
-        } else {
-          this.panelUIFooter.setAttribute("fxastatus", "signedin");
-          this.panelUILabel.setAttribute("label", userData.email);
-        }
-        if (profileInfoEnabled) {
-          this.panelUIFooter.setAttribute("fxaprofileimage", "enabled");
-        }
+
+      if (Weave.Status.service == Weave.CLIENT_NOT_CONFIGURED) {
+        // Leave the default state
+        return;
       }
-      if (showErrorBadge) {
-        gMenuButtonBadgeManager.addBadge(gMenuButtonBadgeManager.BADGEID_FXA, "fxa-needs-authentication");
+
+      if (this.loginFailed) {
+        this.panelUIFooter.setAttribute("fxastatus", "error");
+        this.panelUILabel.setAttribute("label", errorLabel);
       } else {
-        gMenuButtonBadgeManager.removeBadge(gMenuButtonBadgeManager.BADGEID_FXA);
+        this.panelUIFooter.setAttribute("fxastatus", "signedin");
+        this.panelUILabel.setAttribute("label", settingslabel);
+        this.panelUIStatus.setAttribute("tooltiptext", "");       
       }
     }
 
@@ -370,81 +294,12 @@ var gFxAccounts = {
     this.openAccountsPage("reauth", { entrypoint: entryPoint });
   },
 
-  sendTabToDevice: function (url, clientId, title) {
-    Weave.Service.clientsEngine.sendURIToClientForDisplay(url, clientId, title);
-  },
-
-  populateSendTabToDevicesMenu: function (devicesPopup, url, title) {
-    // remove existing menu items
-    while (devicesPopup.hasChildNodes()) {
-      devicesPopup.removeChild(devicesPopup.firstChild);
-    }
-
-    const fragment = document.createDocumentFragment();
-
-    const onTargetDeviceCommand = (event) => {
-      const clientId = event.target.getAttribute("clientId");
-      const clients = clientId
-                      ? [clientId]
-                      : this.remoteClients.map(client => client.id);
-
-      clients.forEach(clientId => this.sendTabToDevice(url, clientId, title));
-    }
-
-    function addTargetDevice(clientId, name) {
-      const targetDevice = document.createElement("menuitem");
-      targetDevice.addEventListener("command", onTargetDeviceCommand, true);
-      targetDevice.setAttribute("class", "sendtab-target");
-      targetDevice.setAttribute("clientId", clientId);
-      targetDevice.setAttribute("label", name);
-      fragment.appendChild(targetDevice);
-    }
-
-    const clients = this.remoteClients;
-    for (let client of clients) {
-      addTargetDevice(client.id, client.name);
-    }
-
-    // "All devices" menu item
-    if (clients.length > 1) {
-      const separator = document.createElement("menuseparator");
-      fragment.appendChild(separator);
-      const allDevicesLabel = this.strings.GetStringFromName("sendTabToAllDevices.menuitem");
-      addTargetDevice("", allDevicesLabel);
-    }
-
-    devicesPopup.appendChild(fragment);
-  },
-
   updateTabContextMenu: function (aPopupMenu) {
-    if (!this.sendTabToDeviceEnabled) {
-      return;
-    }
-
-    const remoteClientPresent = this.remoteClients.length > 0;
-    ["context_sendTabToDevice", "context_sendTabToDevice_separator"]
-    .forEach(id => { document.getElementById(id).hidden = !remoteClientPresent });
+    // STUB
   },
 
   initPageContextMenu: function (contextMenu) {
-    if (!this.sendTabToDeviceEnabled) {
-      return;
-    }
-
-    const remoteClientPresent = this.remoteClients.length > 0;
-    // showSendLink and showSendPage are mutually exclusive
-    const showSendLink = remoteClientPresent
-                         && (contextMenu.onSaveableLink || contextMenu.onPlainTextLink);
-    const showSendPage = !showSendLink && remoteClientPresent
-                         && !(contextMenu.isContentSelected ||
-                              contextMenu.onImage || contextMenu.onCanvas ||
-                              contextMenu.onVideo || contextMenu.onAudio ||
-                              contextMenu.onLink || contextMenu.onTextInput);
-
-    ["context-sendpagetodevice", "context-sep-sendpagetodevice"]
-    .forEach(id => contextMenu.showItem(id, showSendPage));
-    ["context-sendlinktodevice", "context-sep-sendlinktodevice"]
-    .forEach(id => contextMenu.showItem(id, showSendLink));
+    // STUB
   }
 };
 
diff --git a/application/basilisk/base/content/browser-gestureSupport.js b/application/basilisk/base/content/browser-gestureSupport.js
index f472e5c9a..6c21a6ad5 100644
--- a/application/basilisk/base/content/browser-gestureSupport.js
+++ b/application/basilisk/base/content/browser-gestureSupport.js
@@ -1001,13 +1001,10 @@ var gHistorySwipeAnimation = {
                    ctx.DRAWWINDOW_ASYNC_DECODE_IMAGES |
                    ctx.DRAWWINDOW_USE_WIDGET_LAYERS);
 
-    TelemetryStopwatch.start("FX_GESTURE_INSTALL_SNAPSHOT_OF_PAGE");
     try {
       this._installCurrentPageSnapshot(canvas);
       this._assignSnapshotToCurrentBrowser(canvas);
-    } finally {
-      TelemetryStopwatch.finish("FX_GESTURE_INSTALL_SNAPSHOT_OF_PAGE");
-    }
+    }  catch (e) {}
   },
 
   /**
@@ -1058,7 +1055,6 @@ var gHistorySwipeAnimation = {
       return;
     }
 
-    TelemetryStopwatch.start("FX_GESTURE_COMPRESS_SNAPSHOT_OF_PAGE");
     try {
       let browser = gBrowser.selectedBrowser;
       let snapshots = browser.snapshots;
@@ -1072,9 +1068,7 @@ var gHistorySwipeAnimation = {
           }
         }, "image/png"
       );
-    } finally {
-      TelemetryStopwatch.finish("FX_GESTURE_COMPRESS_SNAPSHOT_OF_PAGE");
-    }
+    }  catch (e) {}
   },
 
   /**
diff --git a/application/basilisk/base/content/browser-menubar.inc b/application/basilisk/base/content/browser-menubar.inc
index 41734711c..0549ad915 100644
--- a/application/basilisk/base/content/browser-menubar.inc
+++ b/application/basilisk/base/content/browser-menubar.inc
@@ -11,19 +11,12 @@
                 style="border:0px;padding:0px;margin:0px;-moz-appearance:none">
             <menu id="file-menu" label="&fileMenu.label;"
                   accesskey="&fileMenu.accesskey;">
-              <menupopup id="menu_FilePopup"
-                         onpopupshowing="updateUserContextUIVisibility();">
+              <menupopup id="menu_FilePopup">
                 <menuitem id="menu_newNavigatorTab"
                           label="&tabCmd.label;"
                           command="cmd_newNavigatorTab"
                           key="key_newNavigatorTab"
                           accesskey="&tabCmd.accesskey;"/>
-                <menu id="menu_newUserContext"
-                      label="&newUserContext.label;"
-                      accesskey="&newUserContext.accesskey;"
-                      hidden="true">
-                  <menupopup onpopupshowing="return createUserContextMenu(event);" />
-                </menu>
                 <menuitem id="menu_newNavigator"
                           label="&newNavigatorCmd.label;"
                           accesskey="&newNavigatorCmd.accesskey;"
diff --git a/application/basilisk/base/content/browser-syncui.js b/application/basilisk/base/content/browser-syncui.js
index 51bcb15d5..3a57140f2 100644
--- a/application/basilisk/base/content/browser-syncui.js
+++ b/application/basilisk/base/content/browser-syncui.js
@@ -19,6 +19,7 @@ var gSyncUI = {
   _obs: ["weave:service:sync:start",
          "weave:service:sync:finish",
          "weave:service:sync:error",
+         "weave:service:quota:remaining",
          "weave:service:setup-complete",
          "weave:service:login:start",
          "weave:service:login:finish",
@@ -246,6 +247,21 @@ var gSyncUI = {
     this.updateUI();
   },
 
+  onQuotaNotice: function onQuotaNotice(subject, data) {
+    let title = this._stringBundle.GetStringFromName("warning.sync.quota.label");
+    let description = this._stringBundle.GetStringFromName("warning.sync.quota.description");
+    let buttons = [];
+    buttons.push(new Weave.NotificationButton(
+      this._stringBundle.GetStringFromName("error.sync.viewQuotaButton.label"),
+      this._stringBundle.GetStringFromName("error.sync.viewQuotaButton.accesskey"),
+      function() { gSyncUI.openQuotaDialog(); return true; }
+    ));
+
+    let notification = new Weave.Notification(
+      title, description, null, Weave.Notifications.PRIORITY_WARNING, buttons);
+    Weave.Notifications.replaceTitle(notification);
+  },
+
   _getAppName: function () {
     let brand = new StringBundle("chrome://branding/locale/brand.properties");
     return brand.get("brandShortName");
@@ -293,17 +309,13 @@ var gSyncUI = {
    */
 
   openSetup: function SUI_openSetup(wizardType, entryPoint = "syncbutton") {
-    if (this.weaveService.fxAccountsEnabled) {
-      this.openPrefs(entryPoint);
-    } else {
-      let win = Services.wm.getMostRecentWindow("Weave:AccountSetup");
-      if (win)
-        win.focus();
-      else {
-        window.openDialog("chrome://browser/content/sync/setup.xul",
-                          "weaveSetup", "centerscreen,chrome,resizable=no",
-                          wizardType);
-      }
+    let win = Services.wm.getMostRecentWindow("Weave:AccountSetup");
+    if (win)
+      win.focus();
+    else {
+      window.openDialog("chrome://browser/content/sync/setup.xul",
+                        "weaveSetup", "centerscreen,chrome,resizable=no",
+                        wizardType);
     }
   },
 
@@ -328,23 +340,6 @@ var gSyncUI = {
     gFxAccounts.openSignInAgainPage(entryPoint);
   },
 
-  openSyncedTabsPanel() {
-    let placement = CustomizableUI.getPlacementOfWidget("sync-button");
-    let area = placement ? placement.area : CustomizableUI.AREA_NAVBAR;
-    let anchor = document.getElementById("sync-button") ||
-                 document.getElementById("PanelUI-menu-button");
-    if (area == CustomizableUI.AREA_PANEL) {
-      // The button is in the panel, so we need to show the panel UI, then our
-      // subview.
-      PanelUI.show().then(() => {
-        PanelUI.showSubView("PanelUI-remotetabs", anchor, area);
-      }).catch(Cu.reportError);
-    } else {
-      // It is placed somewhere else - just try and show it.
-      PanelUI.showSubView("PanelUI-remotetabs", anchor, area);
-    }
-  },
-
   /* After Sync is initialized we perform a once-only check for the sync
      button being in "customize purgatory" and if so, move it to the panel.
      This is done primarily for profiles created before SyncedTabs landed,
@@ -456,6 +451,32 @@ var gSyncUI = {
     }
   },
 
+  onSyncError: function SUI_onSyncError() {
+    this.log.debug("onSyncError: login=${login}, sync=${sync}", Weave.Status);
+    let title = this._stringBundle.GetStringFromName("error.sync.title");
+    let error = Weave.Utils.getErrorString(Weave.Status.sync);
+    let description =
+        this._stringBundle.formatStringFromName("error.sync.description", [error], 1);
+    let priority = Weave.Notifications.PRIORITY_WARNING;
+    let buttons = [];
+
+    if (Weave.Status.sync == Weave.OVER_QUOTA) {
+      description = this._stringBundle.GetStringFromName("error.sync.quota.description");
+      buttons.push(new Weave.NotificationButton(
+        this._stringBundle.GetStringFromName("error.sync.viewQuotaButton.label"),
+        this._stringBundle.GetStringFromName("error.sync.viewQuotaButton.accesskey"),
+        function() { gSyncUI.openQuotaDialog(); return true; } )
+      );
+      // Only show the notification bar on Quota error. the panel will show the rest.
+      let notification =
+        new Weave.Notification(title, description, null, priority, buttons);
+      Weave.Notifications.replaceTitle(notification);
+    }
+
+    this.updateUI();
+  },
+
+
   observe: function SUI_observe(subject, topic, data) {
     this.log.debug("observed", topic);
     if (this._unloaded) {
@@ -487,12 +508,17 @@ var gSyncUI = {
         // Do nothing.
         break;
       case "weave:ui:sync:error":
+        this.onSyncError();
+        break;
       case "weave:service:setup-complete":
       case "weave:service:login:finish":
       case "weave:service:login:start":
       case "weave:service:start-over":
         this.updateUI();
         break;
+      case "weave:service:quota:remaining":
+        this.onQuotaNotice();
+        break;
       case "weave:ui:login:error":
       case "weave:service:login:error":
         this.onLoginError();
diff --git a/application/basilisk/base/content/browser.css b/application/basilisk/base/content/browser.css
index e951985dc..517c1c5eb 100644
--- a/application/basilisk/base/content/browser.css
+++ b/application/basilisk/base/content/browser.css
@@ -933,11 +933,6 @@ html|*#gcli-output-frame,
   transition: none;
 }
 
-/* Translation */
-notification[value="translation"] {
-  -moz-binding: url("chrome://browser/content/translation-infobar.xml#translationbar");
-}
-
 /** See bug 872317 for why the following rule is necessary. */
 
 #downloads-button {
diff --git a/application/basilisk/base/content/browser.js b/application/basilisk/base/content/browser.js
index 031144dfd..ddbe11a9d 100644
--- a/application/basilisk/base/content/browser.js
+++ b/application/basilisk/base/content/browser.js
@@ -8,7 +8,6 @@ var Cu = Components.utils;
 var Cc = Components.classes;
 
 Cu.import("resource://gre/modules/XPCOMUtils.jsm");
-Cu.import("resource://gre/modules/ContextualIdentityService.jsm");
 Cu.import("resource://gre/modules/NotificationDB.jsm");
 
 // lazy module getters
@@ -45,8 +44,6 @@ Cu.import("resource://gre/modules/NotificationDB.jsm");
   ["SitePermissions", "resource:///modules/SitePermissions.jsm"],
   ["TabCrashHandler", "resource:///modules/ContentCrashHandlers.jsm"],
   ["Task", "resource://gre/modules/Task.jsm"],
-  ["TelemetryStopwatch", "resource://gre/modules/TelemetryStopwatch.jsm"],
-  ["Translation", "resource:///modules/translation/Translation.jsm"],
   ["UpdateUtils", "resource://gre/modules/UpdateUtils.jsm"],
   ["Weave", "resource://services-sync/main.js"],
   ["fxAccounts", "resource://gre/modules/FxAccounts.jsm"],
@@ -829,10 +826,6 @@ function _loadURIWithFlags(browser, uri, params) {
   }
   try {
     if (!mustChangeProcess) {
-      if (params.userContextId) {
-        browser.webNavigation.setOriginAttributesBeforeLoading({ userContextId: params.userContextId });
-      }
-
       browser.webNavigation.loadURIWithOptions(uri, flags,
                                                referrer, referrerPolicy,
                                                postData, null, null, triggeringPrincipal);
@@ -858,10 +851,6 @@ function _loadURIWithFlags(browser, uri, params) {
         postData: postData
       }
 
-      if (params.userContextId) {
-        loadParams.userContextId = params.userContextId;
-      }
-
       LoadInOtherProcess(browser, loadParams);
     }
   } catch (e) {
@@ -874,10 +863,6 @@ function _loadURIWithFlags(browser, uri, params) {
       Cu.reportError(e);
       gBrowser.updateBrowserRemotenessByURL(browser, uri);
 
-      if (params.userContextId) {
-        browser.webNavigation.setOriginAttributesBeforeLoading({ userContextId: params.userContextId });
-      }
-
       browser.webNavigation.loadURIWithOptions(uri, flags, referrer, referrerPolicy,
                                                postData, null, null, triggeringPrincipal);
     } else {
@@ -941,16 +926,6 @@ addEventListener("DOMContentLoaded", function onDCL() {
   let initBrowser =
     document.getAnonymousElementByAttribute(gBrowser, "anonid", "initialBrowser");
 
-  // The window's first argument is a tab if and only if we are swapping tabs.
-  // We must set the browser's usercontextid before updateBrowserRemoteness(),
-  // so that the newly created remote tab child has the correct usercontextid.
-  if (window.arguments) {
-    let tabToOpen = window.arguments[0];
-    if (tabToOpen instanceof XULElement && tabToOpen.hasAttribute("usercontextid")) {
-      initBrowser.setAttribute("usercontextid", tabToOpen.getAttribute("usercontextid"));
-    }
-  }
-
   gBrowser.updateBrowserRemoteness(initBrowser, gMultiProcessBrowser);
 });
 
@@ -970,7 +945,6 @@ var gBrowserInit = {
     // the listener is registered.
     DOMLinkHandler.init();
     gPageStyleMenu.init();
-    LanguageDetectionListener.init();
     BrowserOnClick.init();
     FeedHandler.init();
     DevEdition.init();
@@ -1136,13 +1110,6 @@ var gBrowserInit = {
         // make sure it has a docshell
         gBrowser.docShell;
 
-        // We must set usercontextid before updateBrowserRemoteness()
-        // so that the newly created remote tab child has correct usercontextid
-        if (tabToOpen.hasAttribute("usercontextid")) {
-          let usercontextid = tabToOpen.getAttribute("usercontextid");
-          gBrowser.selectedBrowser.setAttribute("usercontextid", usercontextid);
-        }
-
         // If the browser that we're swapping in was remote, then we'd better
         // be able to support remote browsers, and then make our selectedTab
         // remote.
@@ -1168,9 +1135,8 @@ var gBrowserInit = {
       //                 [3]: postData (nsIInputStream)
       //                 [4]: allowThirdPartyFixup (bool)
       //                 [5]: referrerPolicy (int)
-      //                 [6]: userContextId (int)
-      //                 [7]: originPrincipal (nsIPrincipal)
-      //                 [8]: triggeringPrincipal (nsIPrincipal)
+      //                 [6]: originPrincipal (nsIPrincipal)
+      //                 [7]: triggeringPrincipal (nsIPrincipal)
       else if (window.arguments.length >= 3) {
         let referrerURI = window.arguments[2];
         if (typeof(referrerURI) == "string") {
@@ -1182,13 +1148,11 @@ var gBrowserInit = {
         }
         let referrerPolicy = (window.arguments[5] != undefined ?
             window.arguments[5] : Ci.nsIHttpChannel.REFERRER_POLICY_DEFAULT);
-        let userContextId = (window.arguments[6] != undefined ?
-            window.arguments[6] : Ci.nsIScriptSecurityManager.DEFAULT_USER_CONTEXT_ID);
         loadURI(uriToLoad, referrerURI, window.arguments[3] || null,
-                window.arguments[4] || false, referrerPolicy, userContextId,
+                window.arguments[4] || false, referrerPolicy,
                 // pass the origin principal (if any) and force its use to create
                 // an initial about:blank viewer if present:
-                window.arguments[7], !!window.arguments[7], window.arguments[8]);
+                window.arguments[6], !!window.arguments[6], window.arguments[7]);
         window.focus();
       }
       // Note: loadOneOrMoreURIs *must not* be called if window.arguments.length >= 3.
@@ -1280,7 +1244,7 @@ var gBrowserInit = {
 
     // Setup click-and-hold gestures access to the session history
     // menus if global click-and-hold isn't turned on
-    if (!getBoolPref("ui.click_hold_context_menus", false))
+    if (!Services.prefs.getBoolPref("ui.click_hold_context_menus", false))
       SetClickAndHoldHandlers();
 
     let NP = {};
@@ -1871,7 +1835,7 @@ function BrowserGoHome(aEvent) {
   case "tabshifted":
   case "tab":
     urls = homePage.split("|");
-    var loadInBackground = getBoolPref("browser.tabs.loadBookmarksInBackground", false);
+    var loadInBackground = Services.prefs.getBoolPref("browser.tabs.loadBookmarksInBackground", false);
     gBrowser.loadTabs(urls, loadInBackground);
     break;
   case "window":
@@ -2073,7 +2037,7 @@ function BrowserTryToCloseWindow()
 }
 
 function loadURI(uri, referrer, postData, allowThirdPartyFixup, referrerPolicy,
-                 userContextId, originPrincipal, forceAboutBlankViewerInCurrent,
+                 originPrincipal, forceAboutBlankViewerInCurrent,
                  triggeringPrincipal) {
   try {
     openLinkIn(uri, "current",
@@ -2081,7 +2045,6 @@ function loadURI(uri, referrer, postData, allowThirdPartyFixup, referrerPolicy,
                  referrerPolicy: referrerPolicy,
                  postData: postData,
                  allowThirdPartyFixup: allowThirdPartyFixup,
-                 userContextId: userContextId,
                  originPrincipal,
                  triggeringPrincipal,
                  forceAboutBlankViewerInCurrent,
@@ -3097,6 +3060,11 @@ function getWebNavigation()
 }
 
 function BrowserReloadWithFlags(reloadFlags) {
+
+  // Reset DOS mitigation for auth prompts when user initiates a reload.
+  let browser = gBrowser.selectedBrowser;
+  delete browser.authPromptCounter;
+
   let url = gBrowser.currentURI.spec;
   if (gBrowser.updateBrowserRemotenessByURL(gBrowser.selectedBrowser, url)) {
     // If the remoteness has changed, the new browser doesn't have any
@@ -3818,8 +3786,6 @@ function toOpenWindowByType(inType, uri, features)
 
 function OpenBrowserWindow(options)
 {
-  var telemetryObj = {};
-  TelemetryStopwatch.start("FX_NEW_WINDOW_MS", telemetryObj);
 
   function newDocumentShown(doc, topic, data) {
     if (topic == "document-shown" &&
@@ -3827,7 +3793,6 @@ function OpenBrowserWindow(options)
         doc.defaultView == win) {
       Services.obs.removeObserver(newDocumentShown, "document-shown");
       Services.obs.removeObserver(windowClosed, "domwindowclosed");
-      TelemetryStopwatch.finish("FX_NEW_WINDOW_MS", telemetryObj);
     }
   }
 
@@ -3952,66 +3917,6 @@ function updateEditUIVisibility()
 }
 
 /**
- * Opens a new tab with the userContextId specified as an attribute of
- * sourceEvent. This attribute is propagated to the top level originAttributes
- * living on the tab's docShell.
- *
- * @param event
- *        A click event on a userContext File Menu option
- */
-function openNewUserContextTab(event)
-{
-  openUILinkIn(BROWSER_NEW_TAB_URL, "tab", {
-    userContextId: parseInt(event.target.getAttribute('data-usercontextid')),
-  });
-}
-
-/**
- * Updates File Menu User Context UI visibility depending on
- * privacy.userContext.enabled pref state.
- */
-function updateUserContextUIVisibility()
-{
-  let menu = document.getElementById("menu_newUserContext");
-  menu.hidden = !Services.prefs.getBoolPref("privacy.userContext.enabled");
-  if (PrivateBrowsingUtils.isWindowPrivate(window)) {
-    menu.setAttribute("disabled", "true");
-  }
-}
-
-/**
- * Updates the User Context UI indicators if the browser is in a non-default context
- */
-function updateUserContextUIIndicator()
-{
-  let hbox = document.getElementById("userContext-icons");
-
-  let userContextId = gBrowser.selectedBrowser.getAttribute("usercontextid");
-  if (!userContextId) {
-    hbox.setAttribute("data-identity-color", "");
-    hbox.hidden = true;
-    return;
-  }
-
-  let identity = ContextualIdentityService.getIdentityFromId(userContextId);
-  if (!identity) {
-    hbox.setAttribute("data-identity-color", "");
-    hbox.hidden = true;
-    return;
-  }
-
-  hbox.setAttribute("data-identity-color", identity.color);
-
-  let label = document.getElementById("userContext-label");
-  label.setAttribute("value", ContextualIdentityService.getUserContextLabel(userContextId));
-
-  let indicator = document.getElementById("userContext-indicator");
-  indicator.setAttribute("data-identity-icon", identity.icon);
-
-  hbox.hidden = false;
-}
-
-/**
  * Makes the Character Encoding menu enabled or disabled as appropriate.
  * To be called when the View menu or the app menu is opened.
  */
@@ -4623,25 +4528,6 @@ var TabsProgressListener = {
   _startedLoadTimer: new WeakSet(),
 
   onStateChange: function (aBrowser, aWebProgress, aRequest, aStateFlags, aStatus) {
-    // Collect telemetry data about tab load times.
-    if (aWebProgress.isTopLevel && (!aRequest.originalURI || aRequest.originalURI.spec.scheme != "about")) {
-      if (aStateFlags & Ci.nsIWebProgressListener.STATE_IS_WINDOW) {
-        if (aStateFlags & Ci.nsIWebProgressListener.STATE_START) {
-          this._startedLoadTimer.add(aBrowser);
-          TelemetryStopwatch.start("FX_PAGE_LOAD_MS", aBrowser);
-          Services.telemetry.getHistogramById("FX_TOTAL_TOP_VISITS").add(true);
-        } else if (aStateFlags & Ci.nsIWebProgressListener.STATE_STOP &&
-                   this._startedLoadTimer.has(aBrowser)) {
-          this._startedLoadTimer.delete(aBrowser);
-          TelemetryStopwatch.finish("FX_PAGE_LOAD_MS", aBrowser);
-        }
-      } else if (aStateFlags & Ci.nsIWebProgressListener.STATE_STOP &&
-                 aStatus == Cr.NS_BINDING_ABORTED &&
-                 this._startedLoadTimer.has(aBrowser)) {
-        this._startedLoadTimer.delete(aBrowser);
-        TelemetryStopwatch.cancel("FX_PAGE_LOAD_MS", aBrowser);
-      }
-    }
 
     // We used to listen for clicks in the browser here, but when that
     // became unnecessary, removing the code below caused focus issues.
@@ -4710,7 +4596,6 @@ nsBrowserAccess.prototype = {
 
   _openURIInNewTab: function(aURI, aReferrer, aReferrerPolicy, aIsPrivate,
                              aIsExternal, aForceNotRemote=false,
-                             aUserContextId=Ci.nsIScriptSecurityManager.DEFAULT_USER_CONTEXT_ID,
                              aOpener = null, aTriggeringPrincipal = null) {
     let win, needToFocusWin;
 
@@ -4739,7 +4624,6 @@ nsBrowserAccess.prototype = {
                                       triggeringPrincipal: aTriggeringPrincipal,
                                       referrerURI: aReferrer,
                                       referrerPolicy: aReferrerPolicy,
-                                      userContextId: aUserContextId,
                                       fromExternal: aIsExternal,
                                       inBackground: loadInBackground,
                                       forceNotRemote: aForceNotRemote,
@@ -4816,13 +4700,10 @@ nsBrowserAccess.prototype = {
         // will do the job of shuttling off the newly opened browser to run in
         // the right process once it starts loading a URI.
         let forceNotRemote = !!aOpener;
-        let userContextId = aOpener && aOpener.document
-                              ? aOpener.document.nodePrincipal.originAttributes.userContextId
-                              : Ci.nsIScriptSecurityManager.DEFAULT_USER_CONTEXT_ID;
         let openerWindow = (aFlags & Ci.nsIBrowserDOMWindow.OPEN_NO_OPENER) ? null : aOpener;
         let browser = this._openURIInNewTab(aURI, referrer, referrerPolicy,
                                             isPrivate, isExternal,
-                                            forceNotRemote, userContextId,
+                                            forceNotRemote,
                                             openerWindow, triggeringPrincipal);
         if (browser)
           newWindow = browser.contentWindow;
@@ -4854,16 +4735,10 @@ nsBrowserAccess.prototype = {
 
     var isExternal = !!(aFlags & Ci.nsIBrowserDOMWindow.OPEN_EXTERNAL);
 
-    var userContextId = aParams.openerOriginAttributes &&
-                        ("userContextId" in aParams.openerOriginAttributes)
-                          ? aParams.openerOriginAttributes.userContextId
-                          : Ci.nsIScriptSecurityManager.DEFAULT_USER_CONTEXT_ID
-
     let browser = this._openURIInNewTab(aURI, aParams.referrer,
                                         aParams.referrerPolicy,
                                         aParams.isPrivate,
                                         isExternal, false,
-                                        userContextId, null,
                                         aParams.triggeringPrincipal);
     if (browser)
       return browser.QueryInterface(Ci.nsIFrameLoaderOwner);
@@ -5420,11 +5295,6 @@ function handleLinkClick(event, href, linkNode) {
     triggeringPrincipal: doc.nodePrincipal,
   };
 
-  // The new tab/window must use the same userContextId
-  if (doc.nodePrincipal.originAttributes.userContextId) {
-    params.userContextId = doc.nodePrincipal.originAttributes.userContextId;
-  }
-
   openLinkIn(href, where, params);
   event.preventDefault();
   return true;
@@ -5496,8 +5366,6 @@ function handleDroppedLink(event, urlOrLinks, name)
 
   let lastLocationChange = gBrowser.selectedBrowser.lastLocationChange;
 
-  let userContextId = gBrowser.selectedBrowser.getAttribute("usercontextid");
-
   // event is null if links are dropped in content process.
   // inBackground should be false, as it's loading into current browser.
   let inBackground = false;
@@ -5521,7 +5389,6 @@ function handleDroppedLink(event, urlOrLinks, name)
         replace: true,
         allowThirdPartyFixup: false,
         postDatas,
-        userContextId,
       });
     }
   });
@@ -5703,16 +5570,6 @@ function setStyleDisabled(disabled) {
     gPageStyleMenu.disableStyle();
 }
 
-
-var LanguageDetectionListener = {
-  init: function() {
-    window.messageManager.addMessageListener("Translation:DocumentState", msg => {
-      Translation.documentStateReceived(msg.target, msg.data);
-    });
-  }
-};
-
-
 var BrowserOffline = {
   _inited: false,
 
@@ -6382,7 +6239,7 @@ function checkEmptyPageOrigin(browser = gBrowser.selectedBrowser,
 }
 
 function BrowserOpenSyncTabs() {
-  gSyncUI.openSyncedTabsPanel();
+  switchToTabHavingURI("about:sync-tabs", true);
 }
 
 /**
diff --git a/application/basilisk/base/content/browser.xul b/application/basilisk/base/content/browser.xul
index 982edfcd9..0cc4c982a 100644
--- a/application/basilisk/base/content/browser.xul
+++ b/application/basilisk/base/content/browser.xul
@@ -8,7 +8,6 @@
 
 <?xml-stylesheet href="chrome://browser/content/browser.css" type="text/css"?>
 <?xml-stylesheet href="chrome://browser/content/places/places.css" type="text/css"?>
-<?xml-stylesheet href="chrome://browser/content/usercontext/usercontext.css" type="text/css"?>
 #ifdef MOZ_DEVTOOLS
 <?xml-stylesheet href="chrome://devtools/skin/devtools-browser.css" type="text/css"?>
 #endif
@@ -521,8 +520,7 @@
             tabbrowser="content"
             flex="1"
             setfocus="false"
-            tooltip="tabbrowser-tab-tooltip"
-            stopwatchid="FX_TAB_CLICK_MS">
+            tooltip="tabbrowser-tab-tooltip">
         <tab class="tabbrowser-tab" selected="true" visuallyselected="true" fadein="true"/>
       </tabs>
 
@@ -552,12 +550,7 @@
                     key="key_undoCloseTab"
                     label="&undoCloseTab.label;"
                     observes="History:UndoCloseTab"/>
-          <menuseparator id="alltabs-popup-separator-1"/>
-          <menu id="alltabs_containersTab"
-                label="&newUserContext.label;">
-            <menupopup id="alltabs_containersMenuTab" />
-          </menu>
-          <menuseparator id="alltabs-popup-separator-2"/>
+          <menuseparator id="alltabs-popup-separator"/>
         </menupopup>
       </toolbarbutton>
 
@@ -676,10 +669,6 @@
                          tooltiptext="&urlbar.webRTCShareScreenNotificationAnchor.tooltip;"/>
                   <image id="servicesInstall-notification-icon" class="notification-anchor-icon service-icon" role="button"
                          tooltiptext="&urlbar.servicesNotificationAnchor.tooltip;"/>
-                  <image id="translate-notification-icon" class="notification-anchor-icon translation-icon" role="button"
-                         tooltiptext="&urlbar.translateNotificationAnchor.tooltip;"/>
-                  <image id="translated-notification-icon" class="notification-anchor-icon translation-icon in-use" role="button"
-                         tooltiptext="&urlbar.translatedNotificationAnchor.tooltip;"/>
                   <image id="eme-notification-icon" class="notification-anchor-icon drm-icon" role="button"
                          tooltiptext="&urlbar.emeNotificationAnchor.tooltip;"/>
                 </box>
@@ -1002,7 +991,8 @@
                     contentcontextmenu="contentAreaContextMenu"
                     autocompletepopup="PopupAutoComplete"
                     selectmenulist="ContentSelectDropdown"
-                    datetimepicker="DateTimePickerPanel"/>
+                    datetimepicker="DateTimePickerPanel"
+                    authdosprotected="true" />
       </vbox>
       <vbox id="browser-border-end" hidden="true" layer="true"/>
     </hbox>
diff --git a/application/basilisk/base/content/content.js b/application/basilisk/base/content/content.js
index 5accbdf7b..d2a70ba11 100644
--- a/application/basilisk/base/content/content.js
+++ b/application/basilisk/base/content/content.js
@@ -162,9 +162,6 @@ var handleContentContextMenu = function (event) {
 
   let selectionInfo = BrowserUtils.getSelectionDetails(content);
 
-  let loadContext = docShell.QueryInterface(Ci.nsILoadContext);
-  let userContextId = loadContext.originAttributes.userContextId;
-
   if (Services.appinfo.processType == Services.appinfo.PROCESS_TYPE_CONTENT) {
     let editFlags = SpellCheckHelper.isEditable(event.target, content);
     let spellInfo;
@@ -188,7 +185,7 @@ var handleContentContextMenu = function (event) {
                      principal, docLocation, charSet, baseURI, referrer,
                      referrerPolicy, contentType, contentDisposition,
                      frameOuterWindowID, selectionInfo, disableSetDesktopBg,
-                     loginFillInfo, parentAllowsMixedContent, userContextId },
+                     loginFillInfo, parentAllowsMixedContent },
                    { event, popupNode: event.target });
   }
   else {
@@ -212,7 +209,6 @@ var handleContentContextMenu = function (event) {
       disableSetDesktopBackground: disableSetDesktopBg,
       loginFillInfo,
       parentAllowsMixedContent,
-      userContextId,
     };
   }
 }
diff --git a/application/basilisk/base/content/nsContextMenu.js b/application/basilisk/base/content/nsContextMenu.js
index 3f77dcb90..74a2e7a8e 100644
--- a/application/basilisk/base/content/nsContextMenu.js
+++ b/application/basilisk/base/content/nsContextMenu.js
@@ -4,7 +4,6 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-Components.utils.import("resource://gre/modules/ContextualIdentityService.jsm");
 Components.utils.import("resource://gre/modules/PrivateBrowsingUtils.jsm");
 Components.utils.import("resource://gre/modules/InlineSpellChecker.jsm");
 Components.utils.import("resource://gre/modules/LoginManagerContextMenu.jsm");
@@ -142,28 +141,11 @@ nsContextMenu.prototype = {
       this.onPlainTextLink = true;
     }
 
-    var inContainer = false;
-    if (gContextMenuContentData.userContextId) {
-      inContainer = true;
-      var item = document.getElementById("context-openlinkincontainertab");
-
-      item.setAttribute("data-usercontextid", gContextMenuContentData.userContextId);
-
-      var label =
-        ContextualIdentityService.getUserContextLabel(gContextMenuContentData.userContextId);
-      item.setAttribute("label",
-         gBrowserBundle.formatStringFromName("userContextOpenLink.label",
-                                             [label], 1));
-    }
-
     var shouldShow = this.onSaveableLink || isMailtoInternal || this.onPlainTextLink;
     var isWindowPrivate = PrivateBrowsingUtils.isWindowPrivate(window);
-    var showContainers = Services.prefs.getBoolPref("privacy.userContext.enabled");
     this.showItem("context-openlink", shouldShow && !isWindowPrivate);
     this.showItem("context-openlinkprivate", shouldShow);
-    this.showItem("context-openlinkintab", shouldShow && !inContainer);
-    this.showItem("context-openlinkincontainertab", shouldShow && inContainer);
-    this.showItem("context-openlinkinusercontext-menu", shouldShow && !isWindowPrivate && showContainers);
+    this.showItem("context-openlinkintab", shouldShow);
     this.showItem("context-openlinkincurrent", this.onPlainTextLink);
     this.showItem("context-sep-open", shouldShow);
   },
@@ -958,13 +940,6 @@ nsContextMenu.prototype = {
       params[p] = extra[p];
     }
 
-    // If we want to change userContextId, we must be sure that we don't
-    // propagate the referrer.
-    if ("userContextId" in params &&
-        params.userContextId != gContextMenuContentData.userContextId) {
-      params.noReferrer = true;
-    }
-
     return params;
   },
 
@@ -982,7 +957,7 @@ nsContextMenu.prototype = {
   },
 
   // Open linked-to URL in a new tab.
-  openLinkInTab: function(event) {
+  openLinkInTab: function() {
     urlSecurityCheck(this.linkURL, this.principal);
     let referrerURI = gContextMenuContentData.documentURIObject;
 
@@ -1003,7 +978,6 @@ nsContextMenu.prototype = {
 
     let params = {
       allowMixedContent: persistAllowMixedContentInChildTab,
-      userContextId: parseInt(event.target.getAttribute('data-usercontextid')),
     };
 
     openLinkIn(this.linkURL, "tab", this._openLinkInParameters(params));
@@ -1779,8 +1753,4 @@ nsContextMenu.prototype = {
     menuItem.label = menuLabel;
     menuItem.accessKey = gNavigatorBundle.getString("contextMenuSearch.accesskey");
   },
-  createContainerMenu: function(aEvent) {
-    return createUserContextMenu(aEvent, true,
-                                 gContextMenuContentData.userContextId);
-  },
 };
diff --git a/application/basilisk/base/content/sanitize.js b/application/basilisk/base/content/sanitize.js
index 841376580..0a00defa4 100644
--- a/application/basilisk/base/content/sanitize.js
+++ b/application/basilisk/base/content/sanitize.js
@@ -19,8 +19,6 @@ XPCOMUtils.defineLazyModuleGetter(this, "Task",
                                   "resource://gre/modules/Task.jsm");
 XPCOMUtils.defineLazyModuleGetter(this, "DownloadsCommon",
                                   "resource:///modules/DownloadsCommon.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "TelemetryStopwatch",
-                                  "resource://gre/modules/TelemetryStopwatch.jsm");
 XPCOMUtils.defineLazyModuleGetter(this, "console",
                                   "resource://gre/modules/Console.jsm");
 XPCOMUtils.defineLazyModuleGetter(this, "Preferences",
@@ -154,8 +152,6 @@ Sanitizer.prototype = {
     // we catch and store them, but continue to sanitize as much as possible.
     // Callers should check returned errors and give user feedback
     // about items that could not be sanitized
-    let refObj = {};
-    TelemetryStopwatch.start("FX_SANITIZE_TOTAL", refObj);
 
     let annotateError = (name, ex) => {
       progress[name] = "failed";
@@ -188,7 +184,7 @@ Sanitizer.prototype = {
     }
 
     // Sanitization is complete.
-    TelemetryStopwatch.finish("FX_SANITIZE_TOTAL", refObj);
+
     // Reset the inProgress preference since we were not killed during
     // sanitization.
     Preferences.reset(Sanitizer.PREF_SANITIZE_IN_PROGRESS);
@@ -210,8 +206,6 @@ Sanitizer.prototype = {
     cache: {
       clear: Task.async(function* (range) {
         let seenException;
-        let refObj = {};
-        TelemetryStopwatch.start("FX_SANITIZE_CACHE", refObj);
 
         try {
           // Cache doesn't consult timespan, nor does it have the
@@ -232,7 +226,6 @@ Sanitizer.prototype = {
           seenException = ex;
         }
 
-        TelemetryStopwatch.finish("FX_SANITIZE_CACHE", refObj);
         if (seenException) {
           throw seenException;
         }
@@ -243,10 +236,8 @@ Sanitizer.prototype = {
       clear: Task.async(function* (range) {
         let seenException;
         let yieldCounter = 0;
-        let refObj = {};
 
         // Clear cookies.
-        TelemetryStopwatch.start("FX_SANITIZE_COOKIES_2", refObj);
         try {
           let cookieMgr = Components.classes["@mozilla.org/cookiemanager;1"]
                                     .getService(Ci.nsICookieManager);
@@ -274,8 +265,6 @@ Sanitizer.prototype = {
           }
         } catch (ex) {
           seenException = ex;
-        } finally {
-          TelemetryStopwatch.finish("FX_SANITIZE_COOKIES_2", refObj);
         }
 
         // Clear deviceIds. Done asynchronously (returns before complete).
@@ -332,13 +321,6 @@ Sanitizer.prototype = {
         if (!range || age >= 0) {
           let tags = ph.getPluginTags();
           for (let tag of tags) {
-            let refObj = {};
-            let probe = "";
-            if (/\bFlash\b/.test(tag.name)) {
-              probe = tag.loaded ? "FX_SANITIZE_LOADED_FLASH"
-                                 : "FX_SANITIZE_UNLOADED_FLASH";
-              TelemetryStopwatch.start(probe, refObj);
-            }
             try {
               let rv = yield new Promise(resolve =>
                 ph.clearSiteData(tag, null, FLAG_CLEAR_ALL, age, resolve)
@@ -349,14 +331,8 @@ Sanitizer.prototype = {
                   ph.clearSiteData(tag, null, FLAG_CLEAR_ALL, -1, resolve)
                 );
               }
-              if (probe) {
-                TelemetryStopwatch.finish(probe, refObj);
-              }
             } catch (ex) {
               // Ignore errors from plug-ins
-              if (probe) {
-                TelemetryStopwatch.cancel(probe, refObj);
-              }
             }
           }
         }
@@ -413,8 +389,6 @@ Sanitizer.prototype = {
     history: {
       clear: Task.async(function* (range) {
         let seenException;
-        let refObj = {};
-        TelemetryStopwatch.start("FX_SANITIZE_HISTORY", refObj);
         try {
           if (range) {
             yield PlacesUtils.history.removeVisitsByFilter({
@@ -427,8 +401,6 @@ Sanitizer.prototype = {
           }
         } catch (ex) {
           seenException = ex;
-        } finally {
-          TelemetryStopwatch.finish("FX_SANITIZE_HISTORY", refObj);
         }
 
         try {
@@ -455,8 +427,6 @@ Sanitizer.prototype = {
     formdata: {
       clear: Task.async(function* (range) {
         let seenException;
-        let refObj = {};
-        TelemetryStopwatch.start("FX_SANITIZE_FORMDATA", refObj);
         try {
           // Clear undo history of all searchBars
           let windows = Services.wm.getEnumerator("navigator:browser");
@@ -504,7 +474,6 @@ Sanitizer.prototype = {
           seenException = ex;
         }
 
-        TelemetryStopwatch.finish("FX_SANITIZE_FORMDATA", refObj);
         if (seenException) {
           throw seenException;
         }
@@ -513,8 +482,6 @@ Sanitizer.prototype = {
 
     downloads: {
       clear: Task.async(function* (range) {
-        let refObj = {};
-        TelemetryStopwatch.start("FX_SANITIZE_DOWNLOADS", refObj);
         try {
           let filterByTime = null;
           if (range) {
@@ -528,16 +495,13 @@ Sanitizer.prototype = {
           // Clear all completed/cancelled downloads
           let list = yield Downloads.getList(Downloads.ALL);
           list.removeFinished(filterByTime);
-        } finally {
-          TelemetryStopwatch.finish("FX_SANITIZE_DOWNLOADS", refObj);
-        }
+        } catch (ex) {
+	}
       })
     },
 
     sessions: {
       clear: Task.async(function* (range) {
-        let refObj = {};
-        TelemetryStopwatch.start("FX_SANITIZE_SESSIONS", refObj);
 
         try {
           // clear all auth tokens
@@ -547,17 +511,14 @@ Sanitizer.prototype = {
 
           // clear FTP and plain HTTP auth sessions
           Services.obs.notifyObservers(null, "net:clear-active-logins", null);
-        } finally {
-          TelemetryStopwatch.finish("FX_SANITIZE_SESSIONS", refObj);
-        }
+        } catch (ex) {
+	}
       })
     },
 
     siteSettings: {
       clear: Task.async(function* (range) {
         let seenException;
-        let refObj = {};
-        TelemetryStopwatch.start("FX_SANITIZE_SITESETTINGS", refObj);
 
         let startDateMS = range ? range[0] / 1000 : null;
 
@@ -615,7 +576,6 @@ Sanitizer.prototype = {
           seenException = ex;
         }
 
-        TelemetryStopwatch.finish("FX_SANITIZE_SITESETTINGS", refObj);
         if (seenException) {
           throw seenException;
         }
@@ -672,9 +632,6 @@ Sanitizer.prototype = {
 
         // If/once we get here, we should actually be able to close all windows.
 
-        let refObj = {};
-        TelemetryStopwatch.start("FX_SANITIZE_OPENWINDOWS", refObj);
-
         // First create a new window. We do this first so that on non-mac, we don't
         // accidentally close the app by closing all the windows.
         let handler = Cc["@mozilla.org/browser/clh;1"].getService(Ci.nsIBrowserHandler);
@@ -719,7 +676,6 @@ Sanitizer.prototype = {
             newWindowOpened = true;
             // If we're the last thing to happen, invoke callback.
             if (numWindowsClosing == 0) {
-              TelemetryStopwatch.finish("FX_SANITIZE_OPENWINDOWS", refObj);
               resolve();
             }
           }
@@ -731,7 +687,6 @@ Sanitizer.prototype = {
               Services.obs.removeObserver(onWindowClosed, "xul-window-destroyed");
               // If we're the last thing to happen, invoke callback.
               if (newWindowOpened) {
-                TelemetryStopwatch.finish("FX_SANITIZE_OPENWINDOWS", refObj);
                 resolve();
               }
             }
diff --git a/application/palemoon/base/content/sync/quota.js b/application/basilisk/base/content/sync/quota.js
index 1285a8d54..b416a44cc 100644
--- a/application/palemoon/base/content/sync/quota.js
+++ b/application/basilisk/base/content/sync/quota.js
@@ -174,38 +174,6 @@ var gUsageTreeView = {
     let collection = this._collections[row];
     collection.enabled = !collection.enabled;
     this.treeBox.invalidateRow(row);
-
-    // Display which ones will be removed 
-    let freeup = 0;
-    let toremove = [];
-    for each (collection in this._collections) {
-      if (collection.enabled)
-        continue;
-      toremove.push(collection.name);
-      freeup += collection.size;
-    }
-
-    let caption = document.getElementById("treeCaption");
-    if (!toremove.length) {
-      caption.className = "";
-      caption.firstChild.nodeValue = gSyncQuota.bundle.getString(
-        "quota.treeCaption.label");
-      return;
-    }
-
-    // Tycho: toremove = [this._byname[coll].title for each (coll in toremove)];
-    let toremovetitles = [];
-    for (let coll in toremove) {
-      toremovetitles.push(this._byname[coll].title);
-    }
-    
-    toremovetitles = toremovetitles.join(gSyncQuota.bundle.getString("quota.list.separator"));
-    caption.firstChild.nodeValue = gSyncQuota.bundle.getFormattedString(
-      "quota.removal.label", [toremovetitles]);
-    if (freeup)
-      caption.firstChild.nodeValue += gSyncQuota.bundle.getFormattedString(
-        "quota.freeup.label", gSyncQuota.convertKB(freeup));
-    caption.className = "captionWarning";
   },
 
   /*
diff --git a/application/palemoon/base/content/sync/quota.xul b/application/basilisk/base/content/sync/quota.xul
index 99e6ed78b..99e6ed78b 100644
--- a/application/palemoon/base/content/sync/quota.xul
+++ b/application/basilisk/base/content/sync/quota.xul
diff --git a/application/basilisk/base/content/tab-content.js b/application/basilisk/base/content/tab-content.js
index 11a9fabce..35ef8ceb2 100644
--- a/application/basilisk/base/content/tab-content.js
+++ b/application/basilisk/base/content/tab-content.js
@@ -9,9 +9,6 @@ var {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
 
 Cu.import("resource://gre/modules/XPCOMUtils.jsm");
 Cu.import("resource://gre/modules/Services.jsm");
-#ifdef MOZ_WEBEXTENSIONS
-Cu.import("resource://gre/modules/ExtensionContent.jsm");
-#endif
 
 XPCOMUtils.defineLazyModuleGetter(this, "E10SUtils",
   "resource:///modules/E10SUtils.jsm");
@@ -558,13 +555,6 @@ var PageStyleHandler = {
 };
 PageStyleHandler.init();
 
-// Keep a reference to the translation content handler to avoid it it being GC'ed.
-var trHandler = null;
-if (Services.prefs.getBoolPref("browser.translation.detectLanguage")) {
-  Cu.import("resource:///modules/translation/TranslationContentHandler.jsm");
-  trHandler = new TranslationContentHandler(global, docShell);
-}
-
 function gKeywordURIFixup(fixupInfo) {
   fixupInfo.QueryInterface(Ci.nsIURIFixupInfo);
   if (!fixupInfo.consumer) {
@@ -896,41 +886,6 @@ var RefreshBlocker = {
 
 RefreshBlocker.init();
 
-var UserContextIdNotifier = {
-  init() {
-    addEventListener("DOMWindowCreated", this);
-  },
-
-  uninit() {
-    removeEventListener("DOMWindowCreated", this);
-  },
-
-  handleEvent(aEvent) {
-    // When the window is created, we want to inform the tabbrowser about
-    // the userContextId in use in order to update the UI correctly.
-    // Just because we cannot change the userContextId from an active docShell,
-    // we don't need to check DOMContentLoaded again.
-    this.uninit();
-
-    // We use the docShell because content.document can have been loaded before
-    // setting the originAttributes.
-    let loadContext = docShell.QueryInterface(Ci.nsILoadContext);
-    let userContextId = loadContext.originAttributes.userContextId;
-
-    sendAsyncMessage("Browser:WindowCreated", { userContextId });
-  }
-};
-
-UserContextIdNotifier.init();
-
-#ifdef MOZ_WEBEXTENSIONS
-ExtensionContent.init(this);
-addEventListener("unload", () => {
-  ExtensionContent.uninit(this);
-  RefreshBlocker.uninit();
-});
-#endif
-
 addMessageListener("AllowScriptsToClose", () => {
   content.QueryInterface(Ci.nsIInterfaceRequestor)
          .getInterface(Ci.nsIDOMWindowUtils)
diff --git a/application/basilisk/base/content/tabbrowser.xml b/application/basilisk/base/content/tabbrowser.xml
index f8dbcf364..c2f02512d 100644
--- a/application/basilisk/base/content/tabbrowser.xml
+++ b/application/basilisk/base/content/tabbrowser.xml
@@ -25,7 +25,7 @@
               <xul:vbox flex="1" class="browserContainer">
                 <xul:stack flex="1" class="browserStack" anonid="browserStack">
                   <xul:browser anonid="initialBrowser" type="content-primary" message="true" messagemanagergroup="browsers"
-                               xbl:inherits="tooltip=contenttooltip,contextmenu=contentcontextmenu,autocompletepopup,selectmenulist,datetimepicker"/>
+                               xbl:inherits="tooltip=contenttooltip,contextmenu=contentcontextmenu,autocompletepopup,selectmenulist,datetimepicker,authdosprotected"/>
                 </xul:stack>
               </xul:vbox>
             </xul:hbox>
@@ -814,10 +814,8 @@
                 }
 
                 let unifiedComplete = this.mTabBrowser._unifiedComplete;
-                let userContextId = this.mBrowser.getAttribute("usercontextid") || 0;
                 if (this.mBrowser.registeredOpenURI) {
-                  unifiedComplete.unregisterOpenPage(this.mBrowser.registeredOpenURI,
-                                                     userContextId);
+                  unifiedComplete.unregisterOpenPage(this.mBrowser.registeredOpenURI);
                   delete this.mBrowser.registeredOpenURI;
                 }
                 // Tabs in private windows aren't registered as "Open" so
@@ -825,7 +823,7 @@
                 if (!isBlankPageURL(aLocation.spec) &&
                     (!PrivateBrowsingUtils.isWindowPrivate(window) ||
                     PrivateBrowsingUtils.permanentPrivateBrowsing)) {
-                  unifiedComplete.registerOpenPage(aLocation, userContextId);
+                  unifiedComplete.registerOpenPage(aLocation);
                   this.mBrowser.registeredOpenURI = aLocation;
                 }
               }
@@ -1042,11 +1040,6 @@
         </body>
       </method>
 
-      <!-- Holds a unique ID for the tab change that's currently being timed.
-           Used to make sure that multiple, rapid tab switches do not try to
-           create overlapping timers. -->
-      <field name="_tabSwitchID">null</field>
-
       <method name="updateCurrentBrowser">
         <parameter name="aForceUpdate"/>
         <body>
@@ -1055,33 +1048,6 @@
             if (this.mCurrentBrowser == newBrowser && !aForceUpdate)
               return;
 
-            if (!aForceUpdate) {
-              TelemetryStopwatch.start("FX_TAB_SWITCH_UPDATE_MS");
-              if (!gMultiProcessBrowser) {
-                // old way of measuring tab paint which is not valid with e10s.
-                // Waiting until the next MozAfterPaint ensures that we capture
-                // the time it takes to paint, upload the textures to the compositor,
-                // and then composite.
-                if (this._tabSwitchID) {
-                  TelemetryStopwatch.cancel("FX_TAB_SWITCH_TOTAL_MS");
-                }
-
-                let tabSwitchID = Symbol();
-
-                TelemetryStopwatch.start("FX_TAB_SWITCH_TOTAL_MS");
-                this._tabSwitchID = tabSwitchID;
-
-                let onMozAfterPaint = () => {
-                  if (this._tabSwitchID === tabSwitchID) {
-                    TelemetryStopwatch.finish("FX_TAB_SWITCH_TOTAL_MS");
-                    this._tabSwitchID = null;
-                  }
-                  window.removeEventListener("MozAfterPaint", onMozAfterPaint);
-                }
-                window.addEventListener("MozAfterPaint", onMozAfterPaint);
-              }
-            }
-
             var oldTab = this.mCurrentTab;
 
             // Preview mode should not reset the owner
@@ -1262,7 +1228,6 @@
                 this._adjustFocusAfterTabSwitch(this.mCurrentTab);
             }
 
-            updateUserContextUIIndicator();
             gIdentityHandler.updateSharingIndicator();
 
             this.tabContainer._setPositionalAttributes();
@@ -1274,9 +1239,6 @@
               });
               this.dispatchEvent(event);
             }
-
-            if (!aForceUpdate)
-              TelemetryStopwatch.finish("FX_TAB_SWITCH_UPDATE_MS");
           ]]>
         </body>
       </method>
@@ -1521,7 +1483,6 @@
             var aSkipAnimation;
             var aForceNotRemote;
             var aNoReferrer;
-            var aUserContextId;
             var aRelatedBrowser;
             var aOriginPrincipal;
             var aOpener;
@@ -1542,7 +1503,6 @@
               aSkipAnimation        = params.skipAnimation;
               aForceNotRemote       = params.forceNotRemote;
               aNoReferrer           = params.noReferrer;
-              aUserContextId        = params.userContextId;
               aRelatedBrowser       = params.relatedBrowser;
               aOriginPrincipal      = params.originPrincipal;
               aOpener               = params.opener;
@@ -1565,7 +1525,6 @@
                                   allowMixedContent: aAllowMixedContent,
                                   forceNotRemote: aForceNotRemote,
                                   noReferrer: aNoReferrer,
-                                  userContextId: aUserContextId,
                                   originPrincipal: aOriginPrincipal,
                                   relatedBrowser: aRelatedBrowser,
                                   opener: aOpener });
@@ -1586,7 +1545,6 @@
           let aTargetTab;
           let aNewIndex = -1;
           let aPostDatas = [];
-          let aUserContextId;
           if (arguments.length == 2 &&
               typeof arguments[1] == "object") {
             let params = arguments[1];
@@ -1597,7 +1555,6 @@
             aNewIndex             = typeof params.newIndex === "number" ?
                                     params.newIndex : aNewIndex;
             aPostDatas            = params.postDatas || aPostDatas;
-            aUserContextId        = params.userContextId;
           }
 
           if (!aURIs.length)
@@ -1646,8 +1603,7 @@
               ownerTab: owner,
               skipAnimation: multiple,
               allowThirdPartyFixup: aAllowThirdPartyFixup,
-              postData: aPostDatas[0],
-              userContextId: aUserContextId
+              postData: aPostDatas[0]
             });
             if (aNewIndex !== -1) {
               this.moveTabTo(firstTabAdded, aNewIndex);
@@ -1660,8 +1616,7 @@
             let tab = this.addTab(aURIs[i], {
               skipAnimation: true,
               allowThirdPartyFixup: aAllowThirdPartyFixup,
-              postData: aPostDatas[i],
-              userContextId: aUserContextId
+              postData: aPostDatas[i]
             });
             if (targetTabIndex !== -1)
               this.moveTabTo(tab, ++tabNum);
@@ -1934,7 +1889,7 @@
         <body>
           <![CDATA[
             // Supported parameters:
-            // userContextId, remote, isPreloadBrowser, uriIsAboutBlank, permanentKey
+            // remote, isPreloadBrowser, uriIsAboutBlank, permanentKey
 
             const NS_XUL = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
 
@@ -1946,10 +1901,6 @@
             b.setAttribute("contextmenu", this.getAttribute("contentcontextmenu"));
             b.setAttribute("tooltip", this.getAttribute("contenttooltip"));
 
-            if (aParams.userContextId) {
-              b.setAttribute("usercontextid", aParams.userContextId);
-            }
-
             if (aParams.remote) {
               b.setAttribute("remote", "true");
             }
@@ -1971,6 +1922,10 @@
             if (this.hasAttribute("datetimepicker")) {
               b.setAttribute("datetimepicker", this.getAttribute("datetimepicker"));
             }
+            
+            if (this.hasAttribute("authdosprotected")) {
+              b.setAttribute("authdosprotected", this.getAttribute("authdosprotected"));
+            }
 
             b.setAttribute("autoscrollpopup", this._autoScrollPopup.id);
 
@@ -2024,7 +1979,7 @@
             "use strict";
 
             // Supported parameters:
-            // forceNotRemote, userContextId
+            // forceNotRemote
 
             let uriIsAboutBlank = !aURI || aURI == "about:blank";
 
@@ -2042,7 +1997,6 @@
             // Private windows are not included because both the label and the
             // icon for the tab would be set incorrectly (see bug 1195981).
             if (aURI == BROWSER_NEW_TAB_URL &&
-                !aParams.userContextId &&
                 !PrivateBrowsingUtils.isWindowPrivate(window)) {
               browser = this._getPreloadedBrowser();
               if (browser) {
@@ -2056,7 +2010,6 @@
               browser = this._createBrowser({permanentKey: aTab.permanentKey,
                                              remote: remote,
                                              uriIsAboutBlank: uriIsAboutBlank,
-                                             userContextId: aParams.userContextId,
                                              relatedBrowser: aParams.relatedBrowser,
                                              opener: aParams.opener});
             }
@@ -2131,11 +2084,11 @@
             var aAllowMixedContent;
             var aForceNotRemote;
             var aNoReferrer;
-            var aUserContextId;
             var aEventDetail;
             var aRelatedBrowser;
             var aOriginPrincipal;
             var aOpener;
+            var aSkipBackgroundNotify;
             if (arguments.length == 2 &&
                 typeof arguments[1] == "object" &&
                 !(arguments[1] instanceof Ci.nsIURI)) {
@@ -2153,11 +2106,11 @@
               aAllowMixedContent    = params.allowMixedContent;
               aForceNotRemote       = params.forceNotRemote;
               aNoReferrer           = params.noReferrer;
-              aUserContextId        = params.userContextId;
               aEventDetail          = params.eventDetail;
               aRelatedBrowser       = params.relatedBrowser;
               aOriginPrincipal      = params.originPrincipal;
               aOpener               = params.opener;
+              aSkipBackgroundNotify = params.skipBackgroundNotify;
             }
 
             // if we're adding tabs, we're past interrupt mode, ditch the owner
@@ -2179,13 +2132,13 @@
               t.setAttribute("label", aURI);
             }
 
-            if (aUserContextId) {
-              t.setAttribute("usercontextid", aUserContextId);
-              ContextualIdentityService.setTabStyle(t);
-            }
-
             t.setAttribute("crop", "end");
             t.setAttribute("onerror", "this.removeAttribute('image');");
+
+            if (aSkipBackgroundNotify) {
+              t.setAttribute("skipbackgroundnotify", true);
+            }
+
             t.className = "tabbrowser-tab";
 
             this.tabContainer._unlockTabSizing();
@@ -2228,7 +2181,6 @@
             // of tab.linkedBrowser.
             let browserParams = {
               forceNotRemote: aForceNotRemote,
-              userContextId:  aUserContextId,
               relatedBrowser: aRelatedBrowser,
               opener: aOpener,
             };
@@ -2607,8 +2559,7 @@
             listener.destroy();
 
             if (browser.registeredOpenURI && !aAdoptedByTab) {
-              this._unifiedComplete.unregisterOpenPage(browser.registeredOpenURI,
-                                                       browser.getAttribute("usercontextid") || 0);
+              this._unifiedComplete.unregisterOpenPage(browser.registeredOpenURI);
               delete browser.registeredOpenURI;
             }
 
@@ -2807,11 +2758,6 @@
             if (ourBrowser.isRemoteBrowser != otherBrowser.isRemoteBrowser)
               return;
 
-            // Keep the userContextId if set on other browser
-            if (otherBrowser.hasAttribute("usercontextid")) {
-              ourBrowser.setAttribute("usercontextid", otherBrowser.getAttribute("usercontextid"));
-            }
-
             // That's gBrowser for the other window, not the tab's browser!
             var remoteBrowser = aOtherTab.ownerDocument.defaultView.gBrowser;
             var isPending = aOtherTab.hasAttribute("pending");
@@ -2844,10 +2790,6 @@
               aOurTab.setAttribute("soundplaying", "true");
               modifiedAttrs.push("soundplaying");
             }
-            if (aOtherTab.hasAttribute("usercontextid")) {
-              aOurTab.setUserContextId(aOtherTab.getAttribute("usercontextid"));
-              modifiedAttrs.push("usercontextid");
-            }
             if (aOtherTab.hasAttribute("sharing")) {
               aOurTab.setAttribute("sharing", aOtherTab.getAttribute("sharing"));
               modifiedAttrs.push("sharing");
@@ -2985,8 +2927,7 @@
           <![CDATA[
             // If the current URI is registered as open remove it from the list.
             if (aOurBrowser.registeredOpenURI) {
-              this._unifiedComplete.unregisterOpenPage(aOurBrowser.registeredOpenURI,
-                                                       aOurBrowser.getAttribute("usercontextid") || 0);
+              this._unifiedComplete.unregisterOpenPage(aOurBrowser.registeredOpenURI);
               delete aOurBrowser.registeredOpenURI;
             }
 
@@ -3019,7 +2960,10 @@
         <parameter name="aTab"/>
         <body>
           <![CDATA[
-            this.getBrowserForTab(aTab).reload();
+            let browser = this.getBrowserForTab(aTab);
+            // Reset DOS mitigation for basic auth prompt
+            delete browser.authPromptCounter;
+            browser.reload();
           ]]>
         </body>
       </method>
@@ -3323,10 +3267,6 @@
           // it in the other window (making it seem to have moved between
           // windows).
           let params = { eventDetail: { adoptedTab: aTab } };
-          if (aTab.hasAttribute("usercontextid")) {
-            // new tab must have the same usercontextid as the old one
-            params.userContextId = aTab.getAttribute("usercontextid");
-          }
           let newTab = this.addTab("about:blank", params);
           let newBrowser = this.getBrowserForTab(newTab);
           let newURL = aTab.linkedBrowser.currentURI.spec;
@@ -4145,8 +4085,6 @@
              */
 
             startTabSwitch: function () {
-              TelemetryStopwatch.cancel("FX_TAB_SWITCH_TOTAL_E10S_MS", window);
-              TelemetryStopwatch.start("FX_TAB_SWITCH_TOTAL_E10S_MS", window);
               this.addMarker("AsyncTabSwitch:Start");
               this.switchInProgress = true;
             },
@@ -4162,31 +4100,18 @@
                   this.getTabState(this.requestedTab) == this.STATE_LOADED) {
                 // After this point the tab has switched from the content thread's point of view.
                 // The changes will be visible after the next refresh driver tick + composite.
-                let time = TelemetryStopwatch.timeElapsed("FX_TAB_SWITCH_TOTAL_E10S_MS", window);
-                if (time != -1) {
-                  TelemetryStopwatch.finish("FX_TAB_SWITCH_TOTAL_E10S_MS", window);
-                  this.log("DEBUG: tab switch time = " + time);
                   this.addMarker("AsyncTabSwitch:Finish");
-                }
                 this.switchInProgress = false;
               }
             },
 
             spinnerDisplayed: function () {
               this.assert(!this.spinnerTab);
-              TelemetryStopwatch.start("FX_TAB_SWITCH_SPINNER_VISIBLE_MS", window);
-              // We have a second, similar probe for capturing recordings of
-              // when the spinner is displayed for very long periods.
-              TelemetryStopwatch.start("FX_TAB_SWITCH_SPINNER_VISIBLE_LONG_MS", window);
               this.addMarker("AsyncTabSwitch:SpinnerShown");
             },
 
             spinnerHidden: function () {
               this.assert(this.spinnerTab);
-              this.log("DEBUG: spinner time = " +
-                       TelemetryStopwatch.timeElapsed("FX_TAB_SWITCH_SPINNER_VISIBLE_MS", window));
-              TelemetryStopwatch.finish("FX_TAB_SWITCH_SPINNER_VISIBLE_MS", window);
-              TelemetryStopwatch.finish("FX_TAB_SWITCH_SPINNER_VISIBLE_LONG_MS", window);
               this.addMarker("AsyncTabSwitch:SpinnerHidden");
               // we do not get a onPaint after displaying the spinner
               this.maybeFinishTabSwitch();
@@ -4661,7 +4586,6 @@
                                           disableSetDesktopBackground: data.disableSetDesktopBg,
                                           loginFillInfo: data.loginFillInfo,
                                           parentAllowsMixedContent: data.parentAllowsMixedContent,
-                                          userContextId: data.userContextId,
                                         };
               let popup = browser.ownerDocument.getElementById("contentAreaContextMenu");
               let event = gContextMenuContentData.event;
@@ -4688,17 +4612,6 @@
             }
             case "Browser:WindowCreated": {
               let tab = this.getTabForBrowser(browser);
-              if (tab && data.userContextId) {
-                ContextualIdentityService.telemetry(data.userContextId);
-                tab.setUserContextId(data.userContextId);
-              }
-
-	      // We don't want to update the container icon and identifier if
-	      // this is not the selected browser.
-              if (browser == gBrowser.selectedBrowser) {
-                updateUserContextUIIndicator();
-              }
-
               break;
             }
             case "Findbar:Keypress": {
@@ -4881,8 +4794,7 @@
           for (let tab of this.tabs) {
             let browser = tab.linkedBrowser;
             if (browser.registeredOpenURI) {
-              this._unifiedComplete.unregisterOpenPage(browser.registeredOpenURI,
-                                                       browser.getAttribute("usercontextid") || 0);
+              this._unifiedComplete.unregisterOpenPage(browser.registeredOpenURI);
               delete browser.registeredOpenURI;
             }
             let filter = this._tabFilters.get(tab);
@@ -5283,7 +5195,7 @@
       </xul:arrowscrollbox>
     </content>
 
-    <implementation implements="nsIDOMEventListener, nsIObserver">
+    <implementation implements="nsIDOMEventListener">
       <constructor>
         <![CDATA[
           this.mTabClipWidth = Services.prefs.getIntPref("browser.tabs.tabClipWidth");
@@ -5302,17 +5214,9 @@
             this._tabAnimationLoggingEnabled = false;
           }
           this._browserNewtabpageEnabled = Services.prefs.getBoolPref("browser.newtabpage.enabled");
-          this.observe(null, "nsPref:changed", "privacy.userContext.enabled");
-          Services.prefs.addObserver("privacy.userContext.enabled", this, false);
         ]]>
       </constructor>
 
-      <destructor>
-        <![CDATA[
-          Services.prefs.removeObserver("privacy.userContext.enabled", this);
-        ]]>
-      </destructor>
-
       <field name="tabbrowser" readonly="true">
         document.getElementById(this.getAttribute("tabbrowser"));
       </field>
@@ -5338,55 +5242,6 @@
       <field name="_afterHoveredTab">null</field>
       <field name="_hoveredTab">null</field>
 
-      <method name="observe">
-        <parameter name="aSubject"/>
-        <parameter name="aTopic"/>
-        <parameter name="aData"/>
-        <body><![CDATA[
-          switch (aTopic) {
-            case "nsPref:changed":
-              // This is the only pref observed.
-              let containersEnabled = Services.prefs.getBoolPref("privacy.userContext.enabled");
-
-              const newTab = document.getElementById("new-tab-button");
-              const newTab2 = document.getAnonymousElementByAttribute(this, "anonid", "tabs-newtab-button")
-
-              if (containersEnabled) {
-                for (let parent of [newTab, newTab2]) {
-                  if (!parent)
-                    continue;
-                  let popup = document.createElementNS(
-                                "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul",
-                                "menupopup");
-                  if (parent.id) {
-                    popup.id = "newtab-popup";
-                  } else {
-                    popup.setAttribute("anonid", "newtab-popup");
-                  }
-                  popup.className = "new-tab-popup";
-                  popup.setAttribute("position", "after_end");
-                  parent.appendChild(popup);
-
-                  gClickAndHoldListenersOnElement.add(parent);
-                  parent.setAttribute("type", "menu");
-                }
-              } else {
-                for (let parent of [newTab, newTab2]) {
-                  if (!parent)
-                    continue;
-                  gClickAndHoldListenersOnElement.remove(parent);
-                  parent.removeAttribute("type");
-                  if (!parent.firstChild)
-                    continue;
-                  parent.firstChild.remove();
-                }
-              }
-
-              break;
-          }
-        ]]></body>
-      </method>
-
       <property name="_isCustomizing" readonly="true">
         <getter>
           let root = document.documentElement;
@@ -5982,7 +5837,11 @@
             this._fillTrailingGap();
             this._handleTabSelect();
           } else {
-            this._notifyBackgroundTab(tab);
+            if (tab.hasAttribute("skipbackgroundnotify")) {
+              tab.removeAttribute("skipbackgroundnotify");
+            } else {
+              this._notifyBackgroundTab(tab);
+            }
           }
 
           // XXXmano: this is a temporary workaround for bug 345399
@@ -6483,7 +6342,6 @@
             inBackground = !inBackground;
 
           let targetTab = this._getDragTargetTab(event, true);
-          let userContextId = this.selectedItem.getAttribute("usercontextid");
           let replace = !!targetTab;
           let newIndex = this._getDropIndex(event, true);
           let urls = links.map(link => link.url);
@@ -6493,7 +6351,6 @@
             allowThirdPartyFixup: true,
             targetTab,
             newIndex,
-            userContextId,
           });
         }
 
@@ -6754,14 +6611,6 @@
       -->
       <field name="muteReason">undefined</field>
 
-      <property name="userContextId" readonly="true">
-        <getter>
-          return this.hasAttribute("usercontextid")
-                   ? parseInt(this.getAttribute("usercontextid"))
-                   : 0;
-        </getter>
-      </property>
-
       <property name="soundPlaying" readonly="true">
         <getter>
           return this.getAttribute("soundplaying") == "true";
@@ -6889,27 +6738,6 @@
         ]]>
         </body>
       </method>
-
-      <method name="setUserContextId">
-        <parameter name="aUserContextId"/>
-        <body>
-        <![CDATA[
-          if (aUserContextId) {
-            if (this.linkedBrowser) {
-              this.linkedBrowser.setAttribute("usercontextid", aUserContextId);
-            }
-            this.setAttribute("usercontextid", aUserContextId);
-          } else {
-            if (this.linkedBrowser) {
-              this.linkedBrowser.removeAttribute("usercontextid");
-            }
-            this.removeAttribute("usercontextid");
-          }
-
-          ContextualIdentityService.setTabStyle(this);
-        ]]>
-        </body>
-      </method>
     </implementation>
 
     <handlers>
@@ -7086,30 +6914,9 @@
     <handlers>
       <handler event="popupshowing">
       <![CDATA[
-        if (event.target.getAttribute("id") == "alltabs_containersMenuTab") {
-          createUserContextMenu(event);
-          return;
-        }
-
-        let containersEnabled = Services.prefs.getBoolPref("privacy.userContext.enabled");
-
-        if (event.target.getAttribute("anonid") == "newtab-popup" ||
-            event.target.id == "newtab-popup") {
-          createUserContextMenu(event);
-        } else {
-          document.getElementById("alltabs-popup-separator-1").hidden = !containersEnabled;
-          let containersTab = document.getElementById("alltabs_containersTab");
-
-          containersTab.hidden = !containersEnabled;
-          if (PrivateBrowsingUtils.isWindowPrivate(window)) {
-            containersTab.setAttribute("disabled", "true");
-          }
-
           document.getElementById("alltabs_undoCloseTab").disabled =
             SessionStore.getClosedTabCount(window) == 0;
 
-          var tabcontainer = gBrowser.tabContainer;
-
           // Listen for changes in the tab bar.
           tabcontainer.addEventListener("TabAttrModified", this, false);
           tabcontainer.addEventListener("TabClose", this, false);
@@ -7126,9 +6933,6 @@
 
       <handler event="popuphidden">
       <![CDATA[
-        if (event.target.getAttribute("id") == "alltabs_containersMenuTab") {
-          return;
-        }
 
         // clear out the menu popup and remove the listeners
         for (let i = this.childNodes.length - 1; i > 0; i--) {
@@ -7137,9 +6941,6 @@
             menuItem.tab.mCorrespondingMenuitem = null;
             this.removeChild(menuItem);
           }
-          if (menuItem.hasAttribute("usercontextid")) {
-            this.removeChild(menuItem);
-          }
         }
         var tabcontainer = gBrowser.tabContainer;
         tabcontainer.mTabstrip.removeEventListener("scroll", this, false);
diff --git a/application/basilisk/base/content/urlbarBindings.xml b/application/basilisk/base/content/urlbarBindings.xml
index eb3150581..b9c17818a 100644
--- a/application/basilisk/base/content/urlbarBindings.xml
+++ b/application/basilisk/base/content/urlbarBindings.xml
@@ -56,11 +56,6 @@ file, You can obtain one at http://mozilla.org/MPL/2.0/.
       <field name="AppConstants" readonly="true">
         (Components.utils.import("resource://gre/modules/AppConstants.jsm", {})).AppConstants;
       </field>
-#ifdef MOZ_WEBEXTENSIONS
-      <field name="ExtensionSearchHandler" readonly="true">
-        (Components.utils.import("resource://gre/modules/ExtensionSearchHandler.jsm", {})).ExtensionSearchHandler;
-      </field>
-#endif
 
       <constructor><![CDATA[
         this._prefs = Components.classes["@mozilla.org/preferences-service;1"]
@@ -488,15 +483,6 @@ file, You can obtain one at http://mozilla.org/MPL/2.0/.
                   actionDetails
                 );
                 break;
-#ifdef MOZ_WEBEXTENSIONS
-              case "extension":
-                this.handleRevert();
-                // Give the extension control of handling the command.
-                let searchString = action.params.content;
-                let keyword = action.params.keyword;
-                this.ExtensionSearchHandler.handleInputEntered(keyword, searchString, where);
-                return;
-#endif
             }
           } else {
             // This is a fallback for add-ons and old testing code that directly
@@ -554,6 +540,9 @@ file, You can obtain one at http://mozilla.org/MPL/2.0/.
             Cu.reportError(ex);
           }
 
+          // Reset DOS mitigations for the basic auth prompt.
+          delete browser.authPromptCounter;
+
           let params = {
             postData,
             allowThirdPartyFixup: true,
@@ -1214,11 +1203,6 @@ file, You can obtain one at http://mozilla.org/MPL/2.0/.
           this._clearNoActions();
           this.formatValue();
         }
-#ifdef MOZ_WEBEXTENSIONS
-        if (ExtensionSearchHandler.hasActiveInputSession()) {
-          ExtensionSearchHandler.handleInputCancelled();
-        }
-#endif
       ]]></handler>
 
       <handler event="dragstart" phase="capturing"><![CDATA[
diff --git a/application/basilisk/base/content/utilityOverlay.js b/application/basilisk/base/content/utilityOverlay.js
index 38ca82f55..f3ebf3b7e 100644
--- a/application/basilisk/base/content/utilityOverlay.js
+++ b/application/basilisk/base/content/utilityOverlay.js
@@ -5,7 +5,6 @@
 
 // Services = object with smart getters for common XPCOM services
 Components.utils.import("resource://gre/modules/AppConstants.jsm");
-Components.utils.import("resource://gre/modules/ContextualIdentityService.jsm");
 Components.utils.import("resource://gre/modules/Services.jsm");
 Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
 Components.utils.import("resource://gre/modules/PrivateBrowsingUtils.jsm");
@@ -61,16 +60,6 @@ function openTopWin(url) {
   openUILinkIn(url, "current");
 }
 
-function getBoolPref(prefname, def)
-{
-  try {
-    return Services.prefs.getBoolPref(prefname);
-  }
-  catch (er) {
-    return def;
-  }
-}
-
 /* openUILink handles clicks on UI elements that cause URLs to load.
  *
  * As the third argument, you may pass an object with the same properties as
@@ -137,7 +126,7 @@ function whereToOpenLink( e, ignoreButton, ignoreAlt )
 
   // ignoreButton allows "middle-click paste" to use function without always opening in a new window.
   var middle = !ignoreButton && e.button == 1;
-  var middleUsesTabs = getBoolPref("browser.tabs.opentabfor.middleclick", true);
+  var middleUsesTabs = Services.prefs.getBoolPref("browser.tabs.opentabfor.middleclick", true);
 
   // Don't do anything special with right-mouse clicks.  They're probably clicks on context menu items.
 
@@ -145,7 +134,7 @@ function whereToOpenLink( e, ignoreButton, ignoreAlt )
   if (metaKey || (middle && middleUsesTabs))
     return shift ? "tabshifted" : "tab";
 
-  if (alt && getBoolPref("browser.altClickSave", false))
+  if (alt && Services.prefs.getBoolPref("browser.altClickSave", false))
     return "save";
 
   if (shift || (middle && !middleUsesTabs))
@@ -176,7 +165,6 @@ function whereToOpenLink( e, ignoreButton, ignoreAlt )
  *   skipTabAnimation     (boolean)
  *   allowPinnedTabHostChange (boolean)
  *   allowPopups          (boolean)
- *   userContextId        (unsigned int)
  */
 function openUILinkIn(url, where, aAllowThirdPartyFixup, aPostData, aReferrerURI) {
   var params;
@@ -222,7 +210,6 @@ function openLinkIn(url, where, params) {
   var aAllowPinnedTabHostChange = !!params.allowPinnedTabHostChange;
   var aNoReferrer           = params.noReferrer;
   var aAllowPopups          = !!params.allowPopups;
-  var aUserContextId        = params.userContextId;
   var aIndicateErrorPageLoad = params.indicateErrorPageLoad;
   var aPrincipal            = params.originPrincipal;
   var aTriggeringPrincipal  = params.triggeringPrincipal;
@@ -268,7 +255,6 @@ function openLinkIn(url, where, params) {
   function useOAForPrincipal(principal) {
     if (principal && principal.isCodebasePrincipal) {
       let attrs = {
-        userContextId: aUserContextId,
         privateBrowsingId: aIsPrivate || (w && PrivateBrowsingUtils.isWindowPrivate(w)),
       };
       return Services.scriptSecurityManager.createCodebasePrincipal(principal.URI, attrs);
@@ -315,17 +301,12 @@ function openLinkIn(url, where, params) {
                                  createInstance(Ci.nsISupportsPRUint32);
     referrerPolicySupports.data = aReferrerPolicy;
 
-    var userContextIdSupports = Cc["@mozilla.org/supports-PRUint32;1"].
-                                 createInstance(Ci.nsISupportsPRUint32);
-    userContextIdSupports.data = aUserContextId;
-
     sa.appendElement(wuri, /* weak =*/ false);
     sa.appendElement(charset, /* weak =*/ false);
     sa.appendElement(referrerURISupports, /* weak =*/ false);
     sa.appendElement(aPostData, /* weak =*/ false);
     sa.appendElement(allowThirdPartyFixupSupports, /* weak =*/ false);
     sa.appendElement(referrerPolicySupports, /* weak =*/ false);
-    sa.appendElement(userContextIdSupports, /* weak =*/ false);
     sa.appendElement(aPrincipal, /* weak =*/ false);
     sa.appendElement(aTriggeringPrincipal, /* weak =*/ false);
 
@@ -342,7 +323,7 @@ function openLinkIn(url, where, params) {
   if (loadInBackground == null) {
     loadInBackground = aFromChrome ?
                          false :
-                         getBoolPref("browser.tabs.loadInBackground");
+                         Services.prefs.getBoolPref("browser.tabs.loadInBackground");
   }
 
   let uriObj;
@@ -418,8 +399,7 @@ function openLinkIn(url, where, params) {
       flags: flags,
       referrerURI: aNoReferrer ? null : aReferrerURI,
       referrerPolicy: aReferrerPolicy,
-      postData: aPostData,
-      userContextId: aUserContextId
+      postData: aPostData
     });
     browserUsedForLoad = aCurrentBrowser;
     break;
@@ -438,7 +418,6 @@ function openLinkIn(url, where, params) {
       skipAnimation: aSkipTabAnimation,
       allowMixedContent: aAllowMixedContent,
       noReferrer: aNoReferrer,
-      userContextId: aUserContextId,
       originPrincipal: aPrincipal,
       triggeringPrincipal: aTriggeringPrincipal,
     });
@@ -482,74 +461,6 @@ function checkForMiddleClick(node, event) {
   }
 }
 
-// Populate a menu with user-context menu items. This method should be called
-// by onpopupshowing passing the event as first argument.
-function createUserContextMenu(event, isContextMenu = false, excludeUserContextId = 0) {
-  while (event.target.hasChildNodes()) {
-    event.target.removeChild(event.target.firstChild);
-  }
-
-  let bundle = document.getElementById("bundle_browser");
-  let docfrag = document.createDocumentFragment();
-
-  // If we are excluding a userContextId, we want to add a 'no-container' item.
-  if (excludeUserContextId) {
-    let menuitem = document.createElement("menuitem");
-    menuitem.setAttribute("data-usercontextid", "0");
-    menuitem.setAttribute("label", bundle.getString("userContextNone.label"));
-    menuitem.setAttribute("accesskey", bundle.getString("userContextNone.accesskey"));
-
-    // We don't set an oncommand/command attribute because if we have
-    // to exclude a userContextId we are generating the contextMenu and
-    // isContextMenu will be true.
-
-    docfrag.appendChild(menuitem);
-
-    let menuseparator = document.createElement("menuseparator");
-    docfrag.appendChild(menuseparator);
-  }
-
-  ContextualIdentityService.getIdentities().forEach(identity => {
-    if (identity.userContextId == excludeUserContextId) {
-      return;
-    }
-
-    let menuitem = document.createElement("menuitem");
-    menuitem.setAttribute("data-usercontextid", identity.userContextId);
-    menuitem.setAttribute("label", ContextualIdentityService.getUserContextLabel(identity.userContextId));
-
-    if (identity.accessKey) {
-      menuitem.setAttribute("accesskey", bundle.getString(identity.accessKey));
-    }
-
-    menuitem.classList.add("menuitem-iconic");
-    menuitem.setAttribute("data-identity-color", identity.color);
-
-    if (!isContextMenu) {
-      menuitem.setAttribute("command", "Browser:NewUserContextTab");
-    }
-
-    menuitem.setAttribute("data-identity-icon", identity.icon);
-
-    docfrag.appendChild(menuitem);
-  });
-
-  if (!isContextMenu) {
-    docfrag.appendChild(document.createElement("menuseparator"));
-
-    let menuitem = document.createElement("menuitem");
-    menuitem.setAttribute("label",
-                          bundle.getString("userContext.aboutPage.label"));
-    menuitem.setAttribute("accesskey",
-                          bundle.getString("userContext.aboutPage.accesskey"));
-    menuitem.setAttribute("command", "Browser:OpenAboutContainers");
-    docfrag.appendChild(menuitem);
-  }
-
-  event.target.appendChild(docfrag);
-  return true;
-}
-
 // Closes all popups that are ancestors of the node.
 function closeMenus(node)
 {
@@ -652,7 +563,7 @@ function getShellService()
 
 function isBidiEnabled() {
   // first check the pref.
-  if (getBoolPref("bidi.browser.ui", false))
+  if (Services.prefs.getBoolPref("bidi.browser.ui", false))
     return true;
 
   // then check intl.uidirection.<locale>
@@ -914,7 +825,7 @@ function openHelpLink(aHelpTopic, aCalledFromModal, aWhere) {
 function openPrefsHelp() {
   // non-instant apply prefwindows are usually modal, so we can't open in the topmost window,
   // since its probably behind the window.
-  var instantApply = getBoolPref("browser.preferences.instantApply");
+  var instantApply = Services.prefs.getBoolPref("browser.preferences.instantApply");
 
   var helpTopic = document.getElementsByTagName("prefwindow")[0].currentPane.helpTopic;
   openHelpLink(helpTopic, !instantApply);
diff --git a/application/basilisk/base/content/web-panels.xul b/application/basilisk/base/content/web-panels.xul
index 223b20ed7..ed868c24a 100644
--- a/application/basilisk/base/content/web-panels.xul
+++ b/application/basilisk/base/content/web-panels.xul
@@ -44,6 +44,21 @@
              disabled="true"/>
     <command id="Browser:Stop" oncommand="PanelBrowserStop();"/>
     <command id="Browser:Reload" oncommand="PanelBrowserReload();"/>
+    <command id="Browser:BackOrBackDuplicate"
+             oncommand="getPanelBrowser().webNavigation.goBack(event);"
+             disabled="true">
+      <observes element="Browser:Back" attribute="disabled"/>
+    </command>
+    <command id="Browser:ForwardOrForwardDuplicate"
+             oncommand="getPanelBrowser().webNavigation.goForward(event);"
+             disabled="true">
+      <observes element="Browser:Forward" attribute="disabled"/>
+    </command>
+    <command id="Browser:ReloadOrDuplicate"
+             oncommand="PanelBrowserReload(event)"
+             disabled="true">
+      <observes element="Browser:Reload" attribute="disabled"/>
+    </command>
   </commandset>
 
   <popupset id="mainPopupSet">
diff --git a/application/basilisk/base/jar.mn b/application/basilisk/base/jar.mn
index 5ec92d79a..3b51e9555 100644
--- a/application/basilisk/base/jar.mn
+++ b/application/basilisk/base/jar.mn
@@ -15,7 +15,6 @@ browser.jar:
 *       content/browser/aboutDialog.xul               (content/aboutDialog.xul)
         content/browser/aboutDialog.js                (content/aboutDialog.js)
         content/browser/aboutDialog.css               (content/aboutDialog.css)
-        content/browser/aboutRobots.xhtml             (content/aboutRobots.xhtml)
 *       content/browser/abouthome/aboutHome.xhtml     (content/abouthome/aboutHome.xhtml)
         content/browser/abouthome/aboutHome.js        (content/abouthome/aboutHome.js)
 *       content/browser/abouthome/aboutHome.css       (content/abouthome/aboutHome.css)
@@ -59,8 +58,6 @@ browser.jar:
         content/browser/aboutaccounts/images/graphic_sync_intro@2x.png        (content/aboutaccounts/images/graphic_sync_intro@2x.png)
 
 
-        content/browser/aboutRobots-icon.png          (content/aboutRobots-icon.png)
-        content/browser/aboutRobots-widget-left.png   (content/aboutRobots-widget-left.png)
         content/browser/aboutTabCrashed.css           (content/aboutTabCrashed.css)
         content/browser/aboutTabCrashed.js            (content/aboutTabCrashed.js)
         content/browser/aboutTabCrashed.xhtml         (content/aboutTabCrashed.xhtml)
@@ -95,7 +92,7 @@ browser.jar:
 #endif
         content/browser/browser-thumbnails.js         (content/browser-thumbnails.js)
         content/browser/browser-trackingprotection.js (content/browser-trackingprotection.js)
-*       content/browser/tab-content.js                (content/tab-content.js)
+        content/browser/tab-content.js                (content/tab-content.js)
         content/browser/content.js                    (content/content.js)
         content/browser/defaultthemes/1.footer.jpg    (content/defaultthemes/1.footer.jpg)
         content/browser/defaultthemes/1.header.jpg    (content/defaultthemes/1.header.jpg)
@@ -150,6 +147,8 @@ browser.jar:
         content/browser/sync/customize.xul            (content/sync/customize.xul)
         content/browser/sync/customize.js             (content/sync/customize.js)
         content/browser/sync/customize.css            (content/sync/customize.css)
+        content/browser/sync/quota.xul                (content/sync/quota.xul)
+        content/browser/sync/quota.js                 (content/sync/quota.js)
         content/browser/safeMode.css                  (content/safeMode.css)
         content/browser/safeMode.js                   (content/safeMode.js)
         content/browser/safeMode.xul                  (content/safeMode.xul)
@@ -161,7 +160,7 @@ browser.jar:
         content/browser/contentSearchUI.css           (content/contentSearchUI.css)
         content/browser/tabbrowser.css                (content/tabbrowser.css)
         content/browser/tabbrowser.xml                (content/tabbrowser.xml)
-*       content/browser/urlbarBindings.xml            (content/urlbarBindings.xml)
+        content/browser/urlbarBindings.xml            (content/urlbarBindings.xml)
         content/browser/utilityOverlay.js             (content/utilityOverlay.js)
         content/browser/usercontext.svg               (content/usercontext.svg)
         content/browser/web-panels.js                 (content/web-panels.js)
diff --git a/application/basilisk/branding/official/branding.nsi b/application/basilisk/branding/official/branding.nsi
index 58d7554df..250abd84d 100644
--- a/application/basilisk/branding/official/branding.nsi
+++ b/application/basilisk/branding/official/branding.nsi
@@ -12,39 +12,5 @@
 !define CompanyName           "Moonchild Productions"
 !define URLInfoAbout          "https://www.basilisk-browser.org"
 !define URLUpdateInfo         "https://www.basilisk-browser.org/releasenotes.shtml"
-!define HelpLink              "https://www.basilisk-browser.org"
-
-; The OFFICIAL define is a workaround to support different urls for Release and
-; Beta since they share the same branding when building with other branches that
-; set the update channel to beta.
-!define OFFICIAL
-!define URLStubDownload ""
-!define URLManualDownload ""
-!define URLSystemRequirements "http://www.basilisk-browser.org/requirements.shtml"
-!define Channel "release"
-
-# The installer's certificate name and issuer expected by the stub installer
-!define CertNameDownload   ""
-!define CertIssuerDownload ""
-
-# Dialog units are used so the UI displays correctly with the system's DPI
-# settings.
-# The dialog units for the bitmap's dimensions should match exactly with the
-# bitmap's width and height in pixels.
-!define APPNAME_BMP_WIDTH_DU "134u"
-!define APPNAME_BMP_HEIGHT_DU "36u"
-!define INTRO_BLURB_WIDTH_DU "258u"
-!define INTRO_BLURB_EDGE_DU "170u"
-!define INTRO_BLURB_LTR_TOP_DU "20u"
-!define INTRO_BLURB_RTL_TOP_DU "12u"
-
-# UI Colors that can be customized for each channel
-!define FOOTER_CONTROL_TEXT_COLOR_NORMAL 0x000000
-!define FOOTER_CONTROL_TEXT_COLOR_FADED 0x666666
-!define FOOTER_BKGRD_COLOR 0xFFFFFF
-!define INTRO_BLURB_TEXT_COLOR 0x666666
-!define INSTALL_BLURB_TEXT_COLOR 0x666666
-!define INSTALL_PROGRESS_TEXT_COLOR_NORMAL 0x666666
-!define COMMON_TEXT_COLOR_NORMAL 0x000000
-!define COMMON_TEXT_COLOR_FADED 0x666666
-!define COMMON_BKGRD_COLOR 0xF0F0F0
+!define HelpLink              "https://www.basilisk-browser.org/contact.shtml"
+!define URLSystemRequirements "https://www.basilisk-browser.org/requirements.shtml"
diff --git a/application/basilisk/branding/shared/uaoverrides.inc b/application/basilisk/branding/shared/uaoverrides.inc
index fb0e6b79b..307d889d9 100644
--- a/application/basilisk/branding/shared/uaoverrides.inc
+++ b/application/basilisk/branding/shared/uaoverrides.inc
@@ -26,6 +26,7 @@ pref("@GUAO_PREF@.addons.mozilla.org", "Mozilla/5.0 (@OS_SLICE@ rv:@GK_VERSION@)
 // Required for domains that have proven unresponsive to requests from users

 pref("@GUAO_PREF@.youtube.com","Mozilla/5.0 (@OS_SLICE@ rv:42.0) @GK_SLICE@ Firefox/42.0 @APP_SLICE@");

 pref("@GUAO_PREF@.gaming.youtube.com","Mozilla/5.0 (@OS_SLICE@ rv:42.0) @GK_SLICE@ Firefox/42.0");

+pref("@GUAO_PREF@.netflix.com","Mozilla/5.0 (@OS_SLICE@ rv:42.0) @GK_SLICE@ Firefox/42.0 @APP_SLICE@");

 

 // The never-ending Facebook debacle...

 

@@ -36,6 +37,7 @@ pref("@GUAO_PREF@.dailymotion.com","Mozilla/5.0 (@OS_SLICE@ rv:52.0) @GK_SLICE@
 // The following requires native mode. Or it blocks.. "too old firefox", breakage, etc.

 

 // UA-Sniffing domains below have indicated no interest in supporting Pale Moon (BOO!)

+pref("@GUAO_PREF@.whatsapp.com","Mozilla/5.0 (@OS_SLICE@ rv:61.0) @GK_SLICE@ Firefox/61.0");

 

 // UA-sniffing domains that are "app/vendor-specific" and do not like Pale Moon

 

diff --git a/application/basilisk/branding/unofficial/branding.nsi b/application/basilisk/branding/unofficial/branding.nsi
index 77f08a4cb..586dd0074 100644
--- a/application/basilisk/branding/unofficial/branding.nsi
+++ b/application/basilisk/branding/unofficial/branding.nsi
@@ -10,36 +10,7 @@
 # instead of BrandFullName and typically should not be modified.
 !define BrandFullNameInternal "Serpent"
 !define CompanyName           "Moonchild Productions"
-!define URLInfoAbout          "http://www.basilisk-browser.org"
+!define URLInfoAbout          "https://www.basilisk-browser.org"
+!define URLUpdateInfo         "https://www.basilisk-browser.org"
 !define HelpLink              "https://forum.palemoon.org"
-
-!define URLStubDownload ""
-!define URLManualDownload ""
-!define URLSystemRequirements ""
-!define Channel "unofficial"
-
-# The installer's certificate name and issuer expected by the stub installer
-!define CertNameDownload   ""
-!define CertIssuerDownload ""
-
-# Dialog units are used so the UI displays correctly with the system's DPI
-# settings.
-# The dialog units for the bitmap's dimensions should match exactly with the
-# bitmap's width and height in pixels.
-!define APPNAME_BMP_WIDTH_DU 159u
-!define APPNAME_BMP_HEIGHT_DU 50u
-!define INTRO_BLURB_WIDTH_DU "230u"
-!define INTRO_BLURB_EDGE_DU "198u"
-!define INTRO_BLURB_LTR_TOP_DU "16u"
-!define INTRO_BLURB_RTL_TOP_DU "11u"
-
-# UI Colors that can be customized for each channel
-!define FOOTER_CONTROL_TEXT_COLOR_NORMAL 0x000000
-!define FOOTER_CONTROL_TEXT_COLOR_FADED 0x999999
-!define FOOTER_BKGRD_COLOR 0xFFFFFF
-!define INTRO_BLURB_TEXT_COLOR 0xFFFFFF
-!define INSTALL_BLURB_TEXT_COLOR 0xFFFFFF
-!define INSTALL_PROGRESS_TEXT_COLOR_NORMAL 0xFFFFFF
-!define COMMON_TEXT_COLOR_NORMAL 0xFFFFFF
-!define COMMON_TEXT_COLOR_FADED 0xA1AAB3
-!define COMMON_BKGRD_COLOR 0x0F1B26
+!define URLSystemRequirements "https://www.basilisk-browser.org"
diff --git a/application/basilisk/components/about/AboutRedirector.cpp b/application/basilisk/components/about/AboutRedirector.cpp
index b77949ea7..2b8608484 100644
--- a/application/basilisk/components/about/AboutRedirector.cpp
+++ b/application/basilisk/components/about/AboutRedirector.cpp
@@ -80,11 +80,6 @@ static RedirEntry kRedirMap[] = {
     nsIAboutModule::ALLOW_SCRIPT
   },
   {
-    "robots", "chrome://browser/content/aboutRobots.xhtml",
-    nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
-    nsIAboutModule::ALLOW_SCRIPT
-  },
-  {
     "searchreset", "chrome://browser/content/search/searchReset.xhtml",
     nsIAboutModule::ALLOW_SCRIPT |
     nsIAboutModule::HIDE_FROM_ABOUTABOUT
diff --git a/application/basilisk/components/build/nsModule.cpp b/application/basilisk/components/build/nsModule.cpp
index 1baccd710..4e082ab6c 100644
--- a/application/basilisk/components/build/nsModule.cpp
+++ b/application/basilisk/components/build/nsModule.cpp
@@ -94,7 +94,6 @@ static const mozilla::Module::ContractIDEntry kBrowserContracts[] = {
     { NS_ABOUT_MODULE_CONTRACTID_PREFIX "feeds", &kNS_BROWSER_ABOUT_REDIRECTOR_CID },
     { NS_ABOUT_MODULE_CONTRACTID_PREFIX "privatebrowsing", &kNS_BROWSER_ABOUT_REDIRECTOR_CID },
     { NS_ABOUT_MODULE_CONTRACTID_PREFIX "rights", &kNS_BROWSER_ABOUT_REDIRECTOR_CID },
-    { NS_ABOUT_MODULE_CONTRACTID_PREFIX "robots", &kNS_BROWSER_ABOUT_REDIRECTOR_CID },
     { NS_ABOUT_MODULE_CONTRACTID_PREFIX "searchreset", &kNS_BROWSER_ABOUT_REDIRECTOR_CID },
     { NS_ABOUT_MODULE_CONTRACTID_PREFIX "sessionrestore", &kNS_BROWSER_ABOUT_REDIRECTOR_CID },
     { NS_ABOUT_MODULE_CONTRACTID_PREFIX "welcomeback", &kNS_BROWSER_ABOUT_REDIRECTOR_CID },
diff --git a/application/basilisk/components/contextualidentity/content/usercontext.css b/application/basilisk/components/contextualidentity/content/usercontext.css
deleted file mode 100644
index 728275d9f..000000000
--- a/application/basilisk/components/contextualidentity/content/usercontext.css
+++ /dev/null
@@ -1,91 +0,0 @@
-[data-identity-color="blue"] {
-  --identity-tab-color: #0996f8;
-  --identity-icon-color: #00a7e0;
-}
-
-[data-identity-color="turquoise"] {
-  --identity-tab-color: #01bdad;
-  --identity-icon-color: #01bdad;
-}
-
-[data-identity-color="green"] {
-  --identity-tab-color: #57bd35;
-  --identity-icon-color:  #7dc14c;
-}
-
-[data-identity-color="yellow"] {
-  --identity-tab-color: #ffcb00;
-  --identity-icon-color: #ffcb00;
-}
-
-[data-identity-color="orange"] {
-  --identity-tab-color: #ff9216;
-  --identity-icon-color: #ff9216;
-}
-
-[data-identity-color="red"] {
-  --identity-tab-color: #d92215;
-  --identity-icon-color: #d92215;
-}
-
-[data-identity-color="pink"] {
-  --identity-tab-color: #ea385e;
-  --identity-icon-color: #ee5195;
-}
-
-[data-identity-color="purple"] {
-  --identity-tab-color: #7a2f7a;
-  --identity-icon-color: #7a2f7a;
-}
-
-[data-identity-icon="fingerprint"] {
-  --identity-icon: url("chrome://browser/content/usercontext.svg#fingerprint");
-}
-
-[data-identity-icon="briefcase"] {
-  --identity-icon: url("chrome://browser/content/usercontext.svg#briefcase");
-}
-
-[data-identity-icon="dollar"] {
-  --identity-icon: url("chrome://browser/content/usercontext.svg#dollar");
-}
-
-[data-identity-icon="cart"] {
-  --identity-icon: url("chrome://browser/content/usercontext.svg#cart");
-}
-
-[data-identity-icon="circle"] {
-  --identity-icon: url("chrome://browser/content/usercontext.svg#circle");
-}
-
-#userContext-indicator {
-  height: 16px;
-  width: 16px;
-}
-
-#userContext-label {
-  margin-inline-end: 3px;
-  color: var(--identity-tab-color);
-}
-
-#userContext-icons {
-  -moz-box-align: center;
-}
-
-.tabbrowser-tab[usercontextid] {
-  background-image: linear-gradient(to right, transparent 20%, var(--identity-tab-color) 30%, var(--identity-tab-color) 70%, transparent 80%);
-  background-size: auto 2px;
-  background-repeat: no-repeat;
-}
-
-.userContext-icon,
-.menuitem-iconic[data-usercontextid] > .menu-iconic-left > .menu-iconic-icon,
-.subviewbutton[usercontextid] > .toolbarbutton-icon,
-#userContext-indicator {
-  background-image: var(--identity-icon);
-  filter: url(chrome://browser/skin/filters.svg#fill);
-  fill: var(--identity-icon-color);
-  background-size: contain;
-  background-repeat: no-repeat;
-  background-position: center center;
-}
diff --git a/application/basilisk/components/customizableui/CustomizableWidgets.jsm b/application/basilisk/components/customizableui/CustomizableWidgets.jsm
index 642e06f0f..401b7ca74 100644
--- a/application/basilisk/components/customizableui/CustomizableWidgets.jsm
+++ b/application/basilisk/components/customizableui/CustomizableWidgets.jsm
@@ -23,10 +23,6 @@ XPCOMUtils.defineLazyModuleGetter(this, "CharsetMenu",
   "resource://gre/modules/CharsetMenu.jsm");
 XPCOMUtils.defineLazyModuleGetter(this, "PrivateBrowsingUtils",
   "resource://gre/modules/PrivateBrowsingUtils.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "SyncedTabs",
-  "resource://services-sync/SyncedTabs.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "ContextualIdentityService",
-  "resource://gre/modules/ContextualIdentityService.jsm");
 
 XPCOMUtils.defineLazyGetter(this, "CharsetBundle", function() {
   const kCharsetBundle = "chrome://global/locale/charsetMenu.properties";
@@ -312,77 +308,6 @@ const CustomizableWidgets = [
       obnode.setAttribute("element", "sync-status");
       obnode.setAttribute("attribute", "syncstatus");
       aNode.appendChild(obnode);
-
-      // A somewhat complicated dance to format the mobilepromo label.
-      let bundle = doc.getElementById("bundle_browser");
-      let formatArgs = ["android", "ios"].map(os => {
-        let link = doc.createElement("label");
-        link.textContent = bundle.getString(`appMenuRemoteTabs.mobilePromo.${os}`);
-        link.setAttribute("mobile-promo-os", os);
-        link.className = "text-link remotetabs-promo-link";
-        return link.outerHTML;
-      });
-      let promoParentElt = doc.getElementById("PanelUI-remotetabs-mobile-promo");
-      // Put it all together...
-      let contents = bundle.getFormattedString("appMenuRemoteTabs.mobilePromo.text2", formatArgs);
-      promoParentElt.innerHTML = contents;
-      // We manually manage the "click" event to open the promo links because
-      // allowing the "text-link" widget handle it has 2 problems: (1) it only
-      // supports button 0 and (2) it's tricky to intercept when it does the
-      // open and auto-close the panel. (1) can probably be fixed, but (2) is
-      // trickier without hard-coding here the knowledge of exactly what buttons
-      // it does support.
-      // So we allow left and middle clicks to open the link in a new tab and
-      // close the panel; not setting a "href" attribute prevents the text-link
-      // widget handling it, and we build the final URL in the click handler to
-      // make testing easier (ie, so tests can change the pref after the links
-      // were created and have the new pref value used.)
-      promoParentElt.addEventListener("click", e => {
-        let os = e.target.getAttribute("mobile-promo-os");
-        if (!os || e.button > 1) {
-          return;
-        }
-        let link = Services.prefs.getCharPref(`identity.mobilepromo.${os}`) + "synced-tabs";
-        doc.defaultView.openUILinkIn(link, "tab");
-        CustomizableUI.hidePanelForNode(e.target);
-      });
-    },
-    onViewShowing(aEvent) {
-      let doc = aEvent.target.ownerDocument;
-      this._tabsList = doc.getElementById("PanelUI-remotetabs-tabslist");
-      Services.obs.addObserver(this, SyncedTabs.TOPIC_TABS_CHANGED, false);
-
-      if (SyncedTabs.isConfiguredToSyncTabs) {
-        if (SyncedTabs.hasSyncedThisSession) {
-          this.setDeckIndex(this.deckIndices.DECKINDEX_TABS);
-        } else {
-          // Sync hasn't synced tabs yet, so show the "fetching" panel.
-          this.setDeckIndex(this.deckIndices.DECKINDEX_FETCHING);
-        }
-        // force a background sync.
-        SyncedTabs.syncTabs().catch(ex => {
-          Cu.reportError(ex);
-        });
-        // show the current list - it will be updated by our observer.
-        this._showTabs();
-      } else {
-        // not configured to sync tabs, so no point updating the list.
-        this.setDeckIndex(this.deckIndices.DECKINDEX_TABSDISABLED);
-      }
-    },
-    onViewHiding() {
-      Services.obs.removeObserver(this, SyncedTabs.TOPIC_TABS_CHANGED);
-      this._tabsList = null;
-    },
-    _tabsList: null,
-    observe(subject, topic, data) {
-      switch (topic) {
-        case SyncedTabs.TOPIC_TABS_CHANGED:
-          this._showTabs();
-          break;
-        default:
-          break;
-      }
     },
     setDeckIndex(index) {
       let deck = this._tabsList.ownerDocument.getElementById("PanelUI-remotetabs-deck");
@@ -1050,89 +975,6 @@ const CustomizableWidgets = [
       let win = aEvent.view;
       win.MailIntegration.sendLinkForBrowser(win.gBrowser.selectedBrowser)
     }
-  }, {
-    id: "containers-panelmenu",
-    type: "view",
-    viewId: "PanelUI-containers",
-    hasObserver: false,
-    onCreated: function(aNode) {
-      let doc = aNode.ownerDocument;
-      let win = doc.defaultView;
-      let items = doc.getElementById("PanelUI-containersItems");
-
-      let onItemCommand = function (aEvent) {
-        let item = aEvent.target;
-        if (item.hasAttribute("usercontextid")) {
-          let userContextId = parseInt(item.getAttribute("usercontextid"));
-          win.openUILinkIn(win.BROWSER_NEW_TAB_URL, "tab", {userContextId});
-        }
-      };
-      items.addEventListener("command", onItemCommand);
-
-      if (PrivateBrowsingUtils.isWindowPrivate(win)) {
-        aNode.setAttribute("disabled", "true");
-      }
-
-      this.updateVisibility(aNode);
-
-      if (!this.hasObserver) {
-        Services.prefs.addObserver("privacy.userContext.enabled", this, true);
-        this.hasObserver = true;
-      }
-    },
-    onViewShowing: function(aEvent) {
-      let doc = aEvent.target.ownerDocument;
-
-      let items = doc.getElementById("PanelUI-containersItems");
-
-      while (items.firstChild) {
-        items.firstChild.remove();
-      }
-
-      let fragment = doc.createDocumentFragment();
-      let bundle = doc.getElementById("bundle_browser");
-
-      ContextualIdentityService.getIdentities().forEach(identity => {
-        let label = ContextualIdentityService.getUserContextLabel(identity.userContextId);
-
-        let item = doc.createElementNS(kNSXUL, "toolbarbutton");
-        item.setAttribute("label", label);
-        item.setAttribute("usercontextid", identity.userContextId);
-        item.setAttribute("class", "subviewbutton");
-        item.setAttribute("data-identity-color", identity.color);
-        item.setAttribute("data-identity-icon", identity.icon);
-
-        fragment.appendChild(item);
-      });
-
-      fragment.appendChild(doc.createElementNS(kNSXUL, "menuseparator"));
-
-      let item = doc.createElementNS(kNSXUL, "toolbarbutton");
-      item.setAttribute("label", bundle.getString("userContext.aboutPage.label"));
-      item.setAttribute("command", "Browser:OpenAboutContainers");
-      item.setAttribute("class", "subviewbutton");
-      fragment.appendChild(item);
-
-      items.appendChild(fragment);
-    },
-
-    updateVisibility(aNode) {
-      aNode.hidden = !Services.prefs.getBoolPref("privacy.userContext.enabled");
-    },
-
-    observe(aSubject, aTopic, aData) {
-      let {instances} = CustomizableUI.getWidget("containers-panelmenu");
-      for (let {node} of instances) {
-	if (node) {
-	  this.updateVisibility(node);
-	}
-      }
-    },
-
-    QueryInterface: XPCOMUtils.generateQI([
-      Ci.nsISupportsWeakReference,
-      Ci.nsIObserver
-    ]),
   }];
 
 let preferencesButton = {
diff --git a/application/basilisk/components/customizableui/content/panelUI.inc.xul b/application/basilisk/components/customizableui/content/panelUI.inc.xul
index e389b14bf..8ebd93327 100644
--- a/application/basilisk/components/customizableui/content/panelUI.inc.xul
+++ b/application/basilisk/components/customizableui/content/panelUI.inc.xul
@@ -23,10 +23,11 @@
         <hbox id="PanelUI-footer-fxa">
           <hbox id="PanelUI-fxa-status"
                 defaultlabel="&fxaSignIn.label;"
-                signedinTooltiptext="&fxaSignedIn.tooltip;"
-                tooltiptext="&fxaSignedIn.tooltip;"
+                signedinTooltiptext="&syncSettings.label;"
+                tooltiptext="&syncSettings.label;"
                 errorlabel="&fxaSignInError.label;"
                 unverifiedlabel="&fxaUnverified.label;"
+                settingslabel="&syncSettings.label;"
                 onclick="if (event.which == 1) gFxAccounts.onMenuPanelCommand();">
             <image id="PanelUI-fxa-avatar"/>
             <toolbarbutton id="PanelUI-fxa-label"
@@ -111,7 +112,7 @@
           <vbox id="PanelUI-remotetabs-buttons">
             <toolbarbutton id="PanelUI-remotetabs-view-sidebar"
                            class="subviewbutton"
-                           observes="viewTabsSidebar"
+                           oncommand="BrowserOpenSyncTabs();"
                            label="&appMenuRemoteTabs.sidebar.label;"/>
             <toolbarbutton id="PanelUI-remotetabs-syncnow"
                            observes="sync-status"
diff --git a/application/basilisk/components/migration/AutoMigrate.jsm b/application/basilisk/components/migration/AutoMigrate.jsm
index b38747825..003f70d70 100644
--- a/application/basilisk/components/migration/AutoMigrate.jsm
+++ b/application/basilisk/components/migration/AutoMigrate.jsm
@@ -37,8 +37,6 @@ XPCOMUtils.defineLazyModuleGetter(this, "OS",
                                   "resource://gre/modules/osfile.jsm");
 XPCOMUtils.defineLazyModuleGetter(this, "PlacesUtils",
                                   "resource://gre/modules/PlacesUtils.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "TelemetryStopwatch",
-                                  "resource://gre/modules/TelemetryStopwatch.jsm");
 
 XPCOMUtils.defineLazyGetter(this, "gBrandBundle", function() {
   const kBrandBundle = "chrome://branding/locale/brand.properties";
@@ -211,7 +209,6 @@ const AutoMigrate = {
 
   undo: Task.async(function* () {
     let browserId = Preferences.get(kAutoMigrateBrowserPref, "unknown");
-    TelemetryStopwatch.startKeyed("FX_STARTUP_MIGRATION_UNDO_TOTAL_MS", browserId);
     let histogram = Services.telemetry.getHistogramById("FX_STARTUP_MIGRATION_AUTOMATED_IMPORT_UNDO");
     histogram.add(0);
     if (!(yield this.canUndo())) {
@@ -236,38 +233,24 @@ const AutoMigrate = {
       Services.telemetry.getKeyedHistogramById(histogramId).add(browserId, this._errorMap[type]);
     };
 
-    let startTelemetryStopwatch = resourceType => {
-      let histogramId = `FX_STARTUP_MIGRATION_UNDO_${resourceType.toUpperCase()}_MS`;
-      TelemetryStopwatch.startKeyed(histogramId, browserId);
-    };
-    let stopTelemetryStopwatch = resourceType => {
-      let histogramId = `FX_STARTUP_MIGRATION_UNDO_${resourceType.toUpperCase()}_MS`;
-      TelemetryStopwatch.finishKeyed(histogramId, browserId);
-    };
-    startTelemetryStopwatch("bookmarks");
     yield this._removeUnchangedBookmarks(stateData.get("bookmarks")).catch(ex => {
       Cu.reportError("Uncaught exception when removing unchanged bookmarks!");
       Cu.reportError(ex);
     });
-    stopTelemetryStopwatch("bookmarks");
     reportErrorTelemetry("bookmarks");
     histogram.add(15);
 
-    startTelemetryStopwatch("visits");
     yield this._removeSomeVisits(stateData.get("visits")).catch(ex => {
       Cu.reportError("Uncaught exception when removing history visits!");
       Cu.reportError(ex);
     });
-    stopTelemetryStopwatch("visits");
     reportErrorTelemetry("visits");
     histogram.add(20);
 
-    startTelemetryStopwatch("logins");
     yield this._removeUnchangedLogins(stateData.get("logins")).catch(ex => {
       Cu.reportError("Uncaught exception when removing unchanged logins!");
       Cu.reportError(ex);
     });
-    stopTelemetryStopwatch("logins");
     reportErrorTelemetry("logins");
     histogram.add(25);
 
@@ -278,7 +261,6 @@ const AutoMigrate = {
 
     this._purgeUndoState(this.UNDO_REMOVED_REASON_UNDO_USED);
     histogram.add(30);
-    TelemetryStopwatch.finishKeyed("FX_STARTUP_MIGRATION_UNDO_TOTAL_MS", browserId);
   }),
 
   _removeNotificationBars() {
diff --git a/application/basilisk/components/migration/MigrationUtils.jsm b/application/basilisk/components/migration/MigrationUtils.jsm
index e133ec520..ccae006fe 100644
--- a/application/basilisk/components/migration/MigrationUtils.jsm
+++ b/application/basilisk/components/migration/MigrationUtils.jsm
@@ -32,8 +32,6 @@ XPCOMUtils.defineLazyModuleGetter(this, "ResponsivenessMonitor",
                                   "resource://gre/modules/ResponsivenessMonitor.jsm");
 XPCOMUtils.defineLazyModuleGetter(this, "Sqlite",
                                   "resource://gre/modules/Sqlite.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "TelemetryStopwatch",
-                                  "resource://gre/modules/TelemetryStopwatch.jsm");
 XPCOMUtils.defineLazyModuleGetter(this, "WindowsRegistry",
                                   "resource://gre/modules/WindowsRegistry.jsm");
 
@@ -254,14 +252,6 @@ this.MigratorPrototype = {
 
     let browserKey = this.getBrowserKey();
 
-    let maybeStartTelemetryStopwatch = resourceType => {
-      let histogramId = getHistogramIdForResourceType(resourceType, "FX_MIGRATION_*_IMPORT_MS");
-      if (histogramId) {
-        TelemetryStopwatch.startKeyed(histogramId, browserKey);
-      }
-      return histogramId;
-    };
-
     let maybeStartResponsivenessMonitor = resourceType => {
       let responsivenessMonitor;
       let responsivenessHistogramId =
@@ -323,8 +313,6 @@ this.MigratorPrototype = {
       for (let [migrationType, itemResources] of resourcesGroupedByItems) {
         notify("Migration:ItemBeforeMigrate", migrationType);
 
-        let stopwatchHistogramId = maybeStartTelemetryStopwatch(migrationType);
-
         let {responsivenessMonitor, responsivenessHistogramId} =
           maybeStartResponsivenessMonitor(migrationType);
 
@@ -340,10 +328,6 @@ this.MigratorPrototype = {
                      migrationType);
               resourcesGroupedByItems.delete(migrationType);
 
-              if (stopwatchHistogramId) {
-                TelemetryStopwatch.finishKeyed(stopwatchHistogramId, browserKey);
-              }
-
               maybeFinishResponsivenessMonitor(responsivenessMonitor, responsivenessHistogramId);
 
               if (resourcesGroupedByItems.size == 0) {
diff --git a/application/basilisk/components/migration/content/migration.xul b/application/basilisk/components/migration/content/migration.xul
index e85091002..62c97c107 100644
--- a/application/basilisk/components/migration/content/migration.xul
+++ b/application/basilisk/components/migration/content/migration.xul
@@ -24,11 +24,9 @@
   <wizardpage id="importSource" pageid="importSource" next="selectProfile"
               label="&importSource.title;"
               onpageadvanced="return MigrationWizard.onImportSourcePageAdvanced();">
-#ifdef XP_WIN
+
     <description id="importAll" control="importSourceGroup">&importFrom.label;</description>
-#else
-    <description id="importAll" control="importSourceGroup">&importFromUnix.label;</description>
-#endif
+
     <description id="importBookmarks" control="importSourceGroup" hidden="true">&importFromBookmarks.label;</description>
 
     <radiogroup id="importSourceGroup" align="start">
diff --git a/application/basilisk/components/moz.build b/application/basilisk/components/moz.build
index 07e79bc36..65e8beb76 100644
--- a/application/basilisk/components/moz.build
+++ b/application/basilisk/components/moz.build
@@ -6,7 +6,6 @@
 
 DIRS += [
     'about',
-    'contextualidentity',
     'customizableui',
     'dirprovider',
     'downloads',
@@ -24,9 +23,6 @@ DIRS += [
     'translation',
 ]
 
-if CONFIG['MOZ_WEBEXTENSIONS']:
-    DIRS += ['webextensions']
-
 DIRS += ['build']
 
 XPIDL_SOURCES += [
diff --git a/application/basilisk/components/nsBrowserGlue.js b/application/basilisk/components/nsBrowserGlue.js
index 3258159b6..d77e97f87 100644
--- a/application/basilisk/components/nsBrowserGlue.js
+++ b/application/basilisk/components/nsBrowserGlue.js
@@ -1080,24 +1080,19 @@ BrowserGlue.prototype = {
 
     // For any add-ons that were installed disabled and can be enabled offer
     // them to the user.
-    let win = RecentWindow.getMostRecentBrowserWindow();
-    AddonManager.getAllAddons(addons => {
-      for (let addon of addons) {
-        // If this add-on has already seen (or seen is undefined for non-XPI
-        // add-ons) then skip it.
-        if (addon.seen !== false) {
-          continue;
-        }
-
-        // If this add-on cannot be enabled (either already enabled or
-        // appDisabled) then skip it.
-        if (!(addon.permissions & AddonManager.PERM_CAN_ENABLE)) {
-          continue;
-        }
-
-        win.openUILinkIn("about:newaddon?id=" + addon.id, "tab");
-      }
-    });
+    let changedIDs = AddonManager.getStartupChanges(AddonManager.STARTUP_CHANGE_INSTALLED);
+    if (changedIDs.length > 0) {
+      let win = this.getMostRecentBrowserWindow();
+      AddonManager.getAddonsByIDs(changedIDs, function(aAddons) {
+        aAddons.forEach(function(aAddon) {
+          // If the add-on isn't user disabled or can't be enabled then skip it.
+          if (!aAddon.userDisabled || !(aAddon.permissions & AddonManager.PERM_CAN_ENABLE))
+            return;
+
+          win.openUILinkIn("about:newaddon?id=" + aAddon.id, "tab");
+        })
+      });
+    }
 
     let signingRequired;
     if (AppConstants.MOZ_REQUIRE_SIGNING) {
@@ -1110,6 +1105,11 @@ BrowserGlue.prototype = {
       let disabledAddons = AddonManager.getStartupChanges(AddonManager.STARTUP_CHANGE_DISABLED);
       AddonManager.getAddonsByIDs(disabledAddons, (addons) => {
         for (let addon of addons) {
+          // WEs return null, skip.
+          if (!addon) {
+            continue;
+          }
+          
           if (addon.type == "experiment")
             continue;
 
diff --git a/application/basilisk/components/places/content/history-panel.js b/application/basilisk/components/places/content/history-panel.js
index 20dbbb5bd..65f00e93b 100644
--- a/application/basilisk/components/places/content/history-panel.js
+++ b/application/basilisk/components/places/content/history-panel.js
@@ -3,8 +3,6 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-Components.utils.import("resource://gre/modules/TelemetryStopwatch.jsm");
-
 var gHistoryTree;
 var gSearchBox;
 var gHistoryGrouping = "";
@@ -81,16 +79,11 @@ function searchHistory(aInput)
   options.resultType = resultType;
   options.includeHidden = !!aInput;
 
-  if (gHistoryGrouping == "lastvisited")
-    this.TelemetryStopwatch.start("HISTORY_LASTVISITED_TREE_QUERY_TIME_MS");
-
   // call load() on the tree manually
   // instead of setting the place attribute in history-panel.xul
   // otherwise, we will end up calling load() twice
   gHistoryTree.load([query], options);
 
-  if (gHistoryGrouping == "lastvisited")
-    this.TelemetryStopwatch.finish("HISTORY_LASTVISITED_TREE_QUERY_TIME_MS");
 }
 
 window.addEventListener("SidebarFocused",
diff --git a/application/basilisk/components/places/content/places.js b/application/basilisk/components/places/content/places.js
index aa43b20e6..375c3de17 100644
--- a/application/basilisk/components/places/content/places.js
+++ b/application/basilisk/components/places/content/places.js
@@ -5,7 +5,6 @@
 
 Components.utils.import("resource://gre/modules/AppConstants.jsm");
 Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
-Components.utils.import("resource://gre/modules/TelemetryStopwatch.jsm");
 XPCOMUtils.defineLazyModuleGetter(this, "MigrationUtils",
                                   "resource:///modules/MigrationUtils.jsm");
 XPCOMUtils.defineLazyModuleGetter(this, "Task",
@@ -810,9 +809,7 @@ var PlacesSearchBox = {
           currentView.load([query], options);
         }
         else {
-          TelemetryStopwatch.start(HISTORY_LIBRARY_SEARCH_TELEMETRY);
           currentView.applyFilter(filterString, null, true);
-          TelemetryStopwatch.finish(HISTORY_LIBRARY_SEARCH_TELEMETRY);
         }
         break;
       case "downloads":
diff --git a/application/basilisk/components/preferences/connection.js b/application/basilisk/components/preferences/connection.js
index f6b395a2d..349139bed 100644
--- a/application/basilisk/components/preferences/connection.js
+++ b/application/basilisk/components/preferences/connection.js
@@ -76,7 +76,7 @@ var gConnectionsDialog = {
     var autologinProxyPref = document.getElementById("signon.autologin.proxy");
     autologinProxyPref.disabled = proxyTypePref.value == 0;
     var noProxiesPref = document.getElementById("network.proxy.no_proxies_on");
-    noProxiesPref.disabled = proxyTypePref.value != 1;
+    noProxiesPref.disabled = proxyTypePref.value == 0;
 
     var autoconfigURLPref = document.getElementById("network.proxy.autoconfig_url");
     autoconfigURLPref.disabled = proxyTypePref.value != 2;
diff --git a/application/basilisk/components/preferences/connection.xul b/application/basilisk/components/preferences/connection.xul
index a3f0d082a..1eb0c1544 100644
--- a/application/basilisk/components/preferences/connection.xul
+++ b/application/basilisk/components/preferences/connection.xul
@@ -145,9 +145,6 @@
               </radiogroup>
               </box>
             </row>
-            <label value="&noproxy.label;" accesskey="&noproxy.accesskey;" control="networkProxyNone"/>
-            <textbox id="networkProxyNone" preference="network.proxy.no_proxies_on" multiline="true" rows="2"/>
-            <label value="&noproxyExplain.label;" control="networkProxyNone"/>
           </rows>
         </grid>
         <radio value="2" label="&autoTypeRadio.label;" accesskey="&autoTypeRadio.accesskey;"/>
@@ -162,6 +159,9 @@
       </radiogroup>
     </groupbox>
     <separator class="thin"/>
+    <label value="&noproxy.label;" accesskey="&noproxy.accesskey;" control="networkProxyNone"/>
+    <textbox id="networkProxyNone" preference="network.proxy.no_proxies_on" multiline="true" rows="2"/>
+    <label value="&noproxyExplain.label;" control="networkProxyNone"/>
     <checkbox id="autologinProxy"
               label="&autologinproxy.label;"
               accesskey="&autologinproxy.accesskey;"
diff --git a/application/basilisk/components/preferences/containers.js b/application/basilisk/components/preferences/containers.js
deleted file mode 100644
index 6ca5853f7..000000000
--- a/application/basilisk/components/preferences/containers.js
+++ /dev/null
@@ -1,176 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-Components.utils.import("resource://gre/modules/Services.jsm");
-Components.utils.import("resource://gre/modules/ContextualIdentityService.jsm");
-
-const containersBundle = Services.strings.createBundle("chrome://browser/locale/preferences/containers.properties");
-
-const HTMLNS = "http://www.w3.org/1999/xhtml";
-
-let gContainersManager = {
-  icons: [
-    "fingerprint",
-    "briefcase",
-    "dollar",
-    "cart",
-    "circle"
-  ],
-
-  colors: [
-    "blue",
-    "turquoise",
-    "green",
-    "yellow",
-    "orange",
-    "red",
-    "pink",
-    "purple"
-  ],
-
-  onLoad() {
-    let params = window.arguments[0] || {};
-    this.init(params);
-  },
-
-  init(aParams) {
-    this.userContextId = aParams.userContextId || null;
-    this.identity = aParams.identity;
-
-    if (aParams.windowTitle) {
-      document.title = aParams.windowTitle;
-    }
-
-    const iconWrapper = document.getElementById("iconWrapper");
-    iconWrapper.appendChild(this.createIconButtons());
-
-    const colorWrapper = document.getElementById("colorWrapper");
-    colorWrapper.appendChild(this.createColorSwatches());
-
-    if (this.identity.name) {
-      const name = document.getElementById("name");
-      name.value = this.identity.name;
-      this.checkForm();
-    }
-
-    this.setLabelsMinWidth();
-
-    // This is to prevent layout jank caused by the svgs and outlines rendering at different times
-    document.getElementById("containers-content").removeAttribute("hidden");
-  },
-
-  setLabelsMinWidth() {
-    const labelMinWidth = containersBundle.GetStringFromName("containers.labelMinWidth");
-    const labels = [
-      document.getElementById("nameLabel"),
-      document.getElementById("iconLabel"),
-      document.getElementById("colorLabel")
-    ];
-    for (let label of labels) {
-      label.style.minWidth = labelMinWidth;
-    }
-  },
-
-  uninit() {
-  },
-
-  // Check if name string as to if the form can be submitted
-  checkForm() {
-    const name = document.getElementById("name");
-    let btnApplyChanges = document.getElementById("btnApplyChanges");
-    if (!name.value) {
-      btnApplyChanges.setAttribute("disabled", true);
-    } else {
-      btnApplyChanges.removeAttribute("disabled");
-    }
-  },
-
-  createIconButtons(defaultIcon) {
-    let radiogroup = document.createElement("radiogroup");
-    radiogroup.setAttribute("id", "icon");
-    radiogroup.className = "icon-buttons";
-
-    for (let icon of this.icons) {
-      let iconSwatch = document.createElement("radio");
-      iconSwatch.id = "iconbutton-" + icon;
-      iconSwatch.name = "icon";
-      iconSwatch.type = "radio";
-      iconSwatch.value = icon;
-
-      if (this.identity.icon && this.identity.icon == icon) {
-        iconSwatch.setAttribute("selected", true);
-      }
-
-      iconSwatch.setAttribute("label",
-        containersBundle.GetStringFromName(`containers.${icon}.label`));
-      let iconElement = document.createElement("hbox");
-      iconElement.className = 'userContext-icon';
-      iconElement.setAttribute("data-identity-icon", icon);
-
-      iconSwatch.appendChild(iconElement);
-      radiogroup.appendChild(iconSwatch);
-    }
-
-    return radiogroup;
-  },
-
-  createColorSwatches(defaultColor) {
-    let radiogroup = document.createElement("radiogroup");
-    radiogroup.setAttribute("id", "color");
-
-    for (let color of this.colors) {
-      let colorSwatch = document.createElement("radio");
-      colorSwatch.id = "colorswatch-" + color;
-      colorSwatch.name = "color";
-      colorSwatch.type = "radio";
-      colorSwatch.value = color;
-
-      if (this.identity.color && this.identity.color == color) {
-        colorSwatch.setAttribute("selected", true);
-      }
-
-      colorSwatch.setAttribute("label",
-        containersBundle.GetStringFromName(`containers.${color}.label`));
-      let iconElement = document.createElement("hbox");
-      iconElement.className = 'userContext-icon';
-      iconElement.setAttribute("data-identity-icon", "circle");
-      iconElement.setAttribute("data-identity-color", color);
-
-      colorSwatch.appendChild(iconElement);
-      radiogroup.appendChild(colorSwatch);
-    }
-    return radiogroup;
-  },
-
-  onApplyChanges() {
-    let icon = document.getElementById("icon").value;
-    let color = document.getElementById("color").value;
-    let name = document.getElementById("name").value;
-
-    if (this.icons.indexOf(icon) == -1) {
-      throw "Internal error. The icon value doesn't match.";
-    }
-
-    if (this.colors.indexOf(color) == -1) {
-      throw "Internal error. The color value doesn't match.";
-    }
-
-    if (this.userContextId) {
-      ContextualIdentityService.update(this.userContextId,
-        name,
-        icon,
-        color);
-    } else {
-      ContextualIdentityService.create(name,
-        icon,
-        color);
-    }
-    window.parent.location.reload()
-  },
-
-  onWindowKeyPress(aEvent) {
-    if (aEvent.keyCode == KeyEvent.DOM_VK_ESCAPE)
-      window.close();
-  }
-}
diff --git a/application/basilisk/components/preferences/containers.xul b/application/basilisk/components/preferences/containers.xul
deleted file mode 100644
index 62a775fe4..000000000
--- a/application/basilisk/components/preferences/containers.xul
+++ /dev/null
@@ -1,52 +0,0 @@
-<?xml version="1.0"?>
-
-<!-- This Source Code Form is subject to the terms of the Mozilla Public
-   - License, v. 2.0. If a copy of the MPL was not distributed with this
-   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
-
-<?xml-stylesheet href="chrome://global/skin/" type="text/css"?>
-<?xml-stylesheet href="chrome://browser/skin/preferences/containers.css" type="text/css"?>
-
-<!DOCTYPE dialog SYSTEM "chrome://browser/locale/preferences/containers.dtd" >
-
-<window id="ContainersDialog" class="windowDialog"
-        windowtype="Browser:Permissions"
-        title="&window.title;"
-        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
-        style="width: &window.width;;"
-        onload="gContainersManager.onLoad();"
-        onunload="gContainersManager.uninit();"
-        persist="screenX screenY width height"
-        onkeypress="gContainersManager.onWindowKeyPress(event);">
-
-  <script src="chrome://global/content/treeUtils.js"/>
-  <script src="chrome://browser/content/preferences/containers.js"/>
-
-  <stringbundle id="bundlePreferences"
-                src="chrome://browser/locale/preferences/preferences.properties"/>
-
-  <keyset>
-    <key key="&windowClose.key;" modifiers="accel" oncommand="window.close();"/>
-  </keyset>
-
-  <vbox class="contentPane largeDialogContainer" flex="1" hidden="true" id="containers-content">
-    <description id="permissionsText" control="url"/>
-    <separator class="thin"/>
-    <hbox align="start">
-      <label id="nameLabel" control="url" value="&name.label;" accesskey="&name.accesskey;"/>
-      <textbox id="name" flex="1" onkeyup="gContainersManager.checkForm();" />
-    </hbox>
-    <hbox align="center" id="iconWrapper">
-      <label id="iconLabel" control="url" value="&icon.label;" accesskey="&icon.accesskey;"/>
-    </hbox>
-    <hbox align="center" id="colorWrapper">
-      <label id="colorLabel" control="url" value="&color.label;" accesskey="&color.accesskey;"/>
-    </hbox>
-  </vbox>
-  <vbox>
-    <hbox class="actionButtons" align="right" flex="1">
-      <button id="btnApplyChanges" disabled="true" oncommand="gContainersManager.onApplyChanges();" icon="save"
-              label="&button.ok.label;" accesskey="&button.ok.accesskey;"/>
-    </hbox>
-  </vbox>
-</window>
diff --git a/application/basilisk/components/preferences/cookies.js b/application/basilisk/components/preferences/cookies.js
index c420855f8..4ede5b6e6 100644
--- a/application/basilisk/components/preferences/cookies.js
+++ b/application/basilisk/components/preferences/cookies.js
@@ -7,12 +7,8 @@ const nsICookie = Components.interfaces.nsICookie;
 
 Components.utils.import("resource://gre/modules/AppConstants.jsm");
 Components.utils.import("resource://gre/modules/PluralForm.jsm");
-Components.utils.import("resource://gre/modules/Services.jsm")
 Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
 
-XPCOMUtils.defineLazyModuleGetter(this, "ContextualIdentityService",
-                                  "resource://gre/modules/ContextualIdentityService.jsm");
-
 var gCookiesWindow = {
   _cm               : Components.classes["@mozilla.org/cookiemanager;1"]
                                 .getService(Components.interfaces.nsICookieManager),
@@ -38,10 +34,6 @@ var gCookiesWindow = {
     this._populateList(true);
 
     document.getElementById("filter").focus();
-
-    if (!Services.prefs.getBoolPref("privacy.userContext.enabled")) {
-      document.getElementById("userContextRow").hidden = true;
-    }
   },
 
   uninit: function () {
@@ -82,24 +74,11 @@ var gCookiesWindow = {
                                                aCookieB.originAttributes);
   },
 
-  _isPrivateCookie: function (aCookie) {
-      let { userContextId } = aCookie.originAttributes;
-      if (!userContextId) {
-        // Default identity is public.
-        return false;
-      }
-      return !ContextualIdentityService.getIdentityFromId(userContextId).public;
-  },
-
   observe: function (aCookie, aTopic, aData) {
     if (aTopic != "cookie-changed")
       return;
 
     if (aCookie instanceof Components.interfaces.nsICookie) {
-      if (this._isPrivateCookie(aCookie)) {
-        return;
-      }
-
       var strippedHost = this._makeStrippedHost(aCookie.host);
       if (aData == "changed")
         this._handleCookieChanged(aCookie, strippedHost);
@@ -498,9 +477,6 @@ var gCookiesWindow = {
     while (e.hasMoreElements()) {
       var cookie = e.getNext();
       if (cookie && cookie instanceof Components.interfaces.nsICookie) {
-        if (this._isPrivateCookie(cookie)) {
-          continue;
-        }
 
         var strippedHost = this._makeStrippedHost(cookie.host);
         this._addCookie(strippedHost, cookie, hostCount);
@@ -524,17 +500,9 @@ var gCookiesWindow = {
     return this._bundle.getString("expireAtEndOfSession");
   },
 
-  _getUserContextString: function(aUserContextId) {
-    if (parseInt(aUserContextId) == 0) {
-      return this._bundle.getString("defaultUserContextLabel");
-    }
-
-    return ContextualIdentityService.getUserContextLabel(aUserContextId);
-  },
-
   _updateCookieData: function (aItem) {
     var seln = this._view.selection;
-    var ids = ["name", "value", "host", "path", "isSecure", "expires", "userContext"];
+    var ids = ["name", "value", "host", "path", "isSecure", "expires"];
     var properties;
 
     if (aItem && !aItem.container && seln.count > 0) {
@@ -543,8 +511,7 @@ var gCookiesWindow = {
                      isDomain: aItem.isDomain ? this._bundle.getString("domainColon")
                                               : this._bundle.getString("hostColon"),
                      isSecure: aItem.isSecure ? this._bundle.getString("forSecureOnly")
-                                              : this._bundle.getString("forAnyConnection"),
-                     userContext: this._getUserContextString(aItem.originAttributes.userContextId) };
+                                              : this._bundle.getString("forAnyConnection") };
       for (let id of ids) {
         document.getElementById(id).disabled = false;
       }
@@ -553,7 +520,7 @@ var gCookiesWindow = {
       var noneSelected = this._bundle.getString("noCookieSelected");
       properties = { name: noneSelected, value: noneSelected, host: noneSelected,
                      path: noneSelected, expires: noneSelected,
-                     isSecure: noneSelected, userContext: noneSelected };
+                     isSecure: noneSelected };
       for (let id of ids) {
         document.getElementById(id).disabled = true;
       }
diff --git a/application/basilisk/components/preferences/cookies.xul b/application/basilisk/components/preferences/cookies.xul
index bd60d9346..d5fefdef7 100644
--- a/application/basilisk/components/preferences/cookies.xul
+++ b/application/basilisk/components/preferences/cookies.xul
@@ -85,10 +85,6 @@
             <hbox pack="end"><label id="expiresLabel" control="expires" value="&props.expires.label;"/></hbox>
             <textbox id="expires" readonly="true" class="plain"/>
           </row>
-          <row align="center" id="userContextRow">
-            <hbox pack="end"><label id="userContextLabel" control="userContext" value="&props.container.label;"/></hbox>
-            <textbox id="userContext" readonly="true" class="plain"/>
-          </row>
         </rows>
       </grid>
     </hbox>
diff --git a/application/basilisk/components/preferences/handlers.css b/application/basilisk/components/preferences/handlers.css
index 6af75a08b..d5f100831 100644
--- a/application/basilisk/components/preferences/handlers.css
+++ b/application/basilisk/components/preferences/handlers.css
@@ -10,10 +10,6 @@
   -moz-binding: url("chrome://browser/content/preferences/handlers.xml#handler-selected");
 }
 
-#containersView > richlistitem {
-  -moz-binding: url("chrome://browser/content/preferences/handlers.xml#container");
-}
-
 /**
  * Make the icons appear.
  * Note: we display the icon box for every item whether or not it has an icon
diff --git a/application/basilisk/components/preferences/handlers.xml b/application/basilisk/components/preferences/handlers.xml
index 0c629d759..ad07a493c 100644
--- a/application/basilisk/components/preferences/handlers.xml
+++ b/application/basilisk/components/preferences/handlers.xml
@@ -69,29 +69,6 @@
 
   </binding>
 
-  <binding id="container">
-    <content>
-      <xul:hbox flex="1" equalsize="always">
-        <xul:hbox flex="1" align="center">
-          <xul:hbox xbl:inherits="data-identity-icon=containerIcon,data-identity-color=containerColor" height="24" width="24" class="userContext-icon"/>
-          <xul:label flex="1" crop="end" xbl:inherits="value=containerName"/>
-        </xul:hbox>
-        <xul:hbox flex="1" align="right">
-          <xul:button anonid="preferencesButton"
-                      xbl:inherits="value=userContextId"
-                      onclick="gContainersPane.onPeferenceClick(event.originalTarget)">
-            Preferences
-          </xul:button>
-          <xul:button anonid="removeButton"
-                      xbl:inherits="value=userContextId"
-                      onclick="gContainersPane.onRemoveClick(event.originalTarget)">
-            Remove
-          </xul:button>
-        </xul:hbox>
-      </xul:hbox>
-    </content>
-  </binding>
-
   <binding id="offlineapp"
 	   extends="chrome://global/content/bindings/listbox.xml#listitem">
     <content>
diff --git a/application/basilisk/components/preferences/in-content/advanced.js b/application/basilisk/components/preferences/in-content/advanced.js
index 5f9458eee..850f0e09f 100644
--- a/application/basilisk/components/preferences/in-content/advanced.js
+++ b/application/basilisk/components/preferences/in-content/advanced.js
@@ -670,25 +670,6 @@ var gAdvancedPane = {
       // or the binary platform or OS version is not known.
       // A locked pref is sufficient to disable the radiogroup.
       radiogroup.disabled = !canCheck || enabledPref.locked || autoPref.locked;
-
-      if (AppConstants.MOZ_MAINTENANCE_SERVICE) {
-        // Check to see if the maintenance service is installed.
-        // If it is don't show the preference at all.
-        var installed;
-        try {
-          var wrk = Components.classes["@mozilla.org/windows-registry-key;1"]
-                    .createInstance(Components.interfaces.nsIWindowsRegKey);
-          wrk.open(wrk.ROOT_KEY_LOCAL_MACHINE,
-                   "SOFTWARE\\Mozilla\\MaintenanceService",
-                   wrk.ACCESS_READ | wrk.WOW64_64);
-          installed = wrk.readIntValue("Installed");
-          wrk.close();
-        } catch (e) {
-        }
-        if (installed != 1) {
-          document.getElementById("useService").hidden = true;
-        }
-      }
     }
   },
 
diff --git a/application/basilisk/components/preferences/in-content/advanced.xul b/application/basilisk/components/preferences/in-content/advanced.xul
index 4973f8e09..50e276501 100644
--- a/application/basilisk/components/preferences/in-content/advanced.xul
+++ b/application/basilisk/components/preferences/in-content/advanced.xul
@@ -79,12 +79,6 @@
   <preference id="app.update.disable_button.showUpdateHistory"
               name="app.update.disable_button.showUpdateHistory"
               type="bool"/>
-
-#ifdef MOZ_MAINTENANCE_SERVICE
-  <preference id="app.update.service.enabled"
-              name="app.update.service.enabled"
-              type="bool"/>
-#endif
 #endif
 
   <preference id="browser.search.update"
@@ -331,13 +325,6 @@
                   accesskey="&updateHistory.accesskey;"
                   preference="app.update.disable_button.showUpdateHistory"/>
         </hbox>
-
-#ifdef MOZ_MAINTENANCE_SERVICE
-        <checkbox id="useService"
-                  label="&useService.label;"
-                  accesskey="&useService.accesskey;"
-                  preference="app.update.service.enabled"/>
-#endif
       </groupbox>
 #endif
       <groupbox id="updateOthers" align="start">
diff --git a/application/basilisk/components/preferences/in-content/containers.js b/application/basilisk/components/preferences/in-content/containers.js
deleted file mode 100644
index 758e45fff..000000000
--- a/application/basilisk/components/preferences/in-content/containers.js
+++ /dev/null
@@ -1,73 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-Components.utils.import("resource://gre/modules/AppConstants.jsm");
-Components.utils.import("resource://gre/modules/ContextualIdentityService.jsm");
-
-const containersBundle = Services.strings.createBundle("chrome://browser/locale/preferences/containers.properties");
-
-const defaultContainerIcon = "fingerprint";
-const defaultContainerColor = "blue";
-
-let gContainersPane = {
-
-  init() {
-    this._list = document.getElementById("containersView");
-
-    document.getElementById("backContainersLink").addEventListener("click", function () {
-      gotoPref("privacy");
-    });
-
-    this._rebuildView();
-  },
-
-  _rebuildView() {
-    const containers = ContextualIdentityService.getIdentities();
-    while (this._list.firstChild) {
-      this._list.firstChild.remove();
-    }
-    for (let container of containers) {
-      let item = document.createElement("richlistitem");
-      item.setAttribute("containerName", ContextualIdentityService.getUserContextLabel(container.userContextId));
-      item.setAttribute("containerIcon", container.icon);
-      item.setAttribute("containerColor", container.color);
-      item.setAttribute("userContextId", container.userContextId);
-
-      this._list.appendChild(item);
-    }
-  },
-
-  onRemoveClick(button) {
-    let userContextId = button.getAttribute("value");
-    ContextualIdentityService.remove(userContextId);
-    this._rebuildView();
-  },
-  onPeferenceClick(button) {
-    this.openPreferenceDialog(button.getAttribute("value"));
-  },
-
-  onAddButtonClick(button) {
-    this.openPreferenceDialog(null);
-  },
-
-  openPreferenceDialog(userContextId) {
-    let identity = {
-      name: "",
-      icon: defaultContainerIcon,
-      color: defaultContainerColor
-    };
-    let title;
-    if (userContextId) {
-      identity = ContextualIdentityService.getIdentityFromId(userContextId);
-      // This is required to get the translation string from defaults
-      identity.name = ContextualIdentityService.getUserContextLabel(identity.userContextId);
-      title = containersBundle.formatStringFromName("containers.updateContainerTitle", [identity.name], 1);
-    }
-
-    const params = { userContextId, identity, windowTitle: title };
-    gSubDialog.open("chrome://browser/content/preferences/containers.xul",
-                     null, params);
-  }
-
-};
diff --git a/application/basilisk/components/preferences/in-content/containers.xul b/application/basilisk/components/preferences/in-content/containers.xul
deleted file mode 100644
index e83bac1c3..000000000
--- a/application/basilisk/components/preferences/in-content/containers.xul
+++ /dev/null
@@ -1,54 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-<!-- Containers panel -->
-
-<script type="application/javascript"
-        src="chrome://browser/content/preferences/in-content/containers.js"/>
-
-<preferences id="containerPreferences" hidden="true" data-category="paneContainer">
-  <!-- Containers -->
-  <preference id="privacy.userContext.enabled"
-              name="privacy.userContext.enabled"
-              type="bool"/>
-
-</preferences>
-
-<hbox hidden="true"
-      class="container-header-links"
-      data-category="paneContainers">
-  <label class="text-link" id="backContainersLink" value="&backLink.label;" />
-</hbox>
-
-<hbox id="header-containers"
-      class="header"
-      hidden="true"
-      data-category="paneContainers">
-  <label class="header-name" flex="1">&paneContainers.title;</label>
-  <button class="help-button"
-          aria-label="&helpButton.label;"/>
-</hbox>
-
-<!-- Containers -->
-<groupbox id="browserContainersGroup" data-category="paneContainers" hidden="true">
-  <vbox id="browserContainersbox">
-
-    <richlistbox id="containersView" orient="vertical" persist="lastSelectedType"
-                 flex="1">
-      <listheader equalsize="always">
-          <treecol id="typeColumn" label="&label.label;" value="type"
-                   persist="sortDirection"
-                   flex="1" sortDirection="ascending"/>
-          <treecol id="actionColumn" value="action"
-                   persist="sortDirection"
-                   flex="1"/>
-      </listheader>
-    </richlistbox>
-  </vbox>
-  <vbox>
-    <hbox flex="1">
-      <button onclick="gContainersPane.onAddButtonClick();" accesskey="&addButton.accesskey;" label="&addButton.label;"/>
-    </hbox>
-  </vbox>
-</groupbox>
diff --git a/application/basilisk/components/preferences/in-content/content.js b/application/basilisk/components/preferences/in-content/content.js
index a957b1dd5..2eac10ca4 100644
--- a/application/basilisk/components/preferences/in-content/content.js
+++ b/application/basilisk/components/preferences/in-content/content.js
@@ -31,18 +31,6 @@ var gContentPane = {
       menulist.value = FontBuilder.readFontSelection(menulist);
     }
 
-    // Show translation preferences if we may:
-    const prefName = "browser.translation.ui.show";
-    if (Services.prefs.getBoolPref(prefName)) {
-      let row = document.getElementById("translationBox");
-      row.removeAttribute("hidden");
-      // Showing attribution only for Bing Translator.
-      Components.utils.import("resource:///modules/translation/Translation.jsm");
-      if (Translation.translationEngine == "bing") {
-        document.getElementById("bingAttribution").removeAttribute("hidden");
-      }
-    }
-
     if (AlertsServiceDND) {
       let notificationsDoNotDisturbRow =
         document.getElementById("notificationsDoNotDisturbRow");
@@ -66,10 +54,6 @@ var gContentPane = {
       gContentPane.configureColors);
     setEventListener("chooseLanguage", "command",
       gContentPane.showLanguages);
-    setEventListener("translationAttributionImage", "click",
-      gContentPane.openTranslationProviderAttribution);
-    setEventListener("translateButton", "command",
-      gContentPane.showTranslationExceptions);
     setEventListener("notificationsDoNotDisturb", "command",
       gContentPane.toggleDoNotDisturbNotifications);
 
@@ -274,21 +258,6 @@ var gContentPane = {
     gSubDialog.open("chrome://browser/content/preferences/languages.xul");
   },
 
-  /**
-   * Displays the translation exceptions dialog where specific site and language
-   * translation preferences can be set.
-   */
-  showTranslationExceptions: function ()
-  {
-    gSubDialog.open("chrome://browser/content/preferences/translation.xul");
-  },
-
-  openTranslationProviderAttribution: function ()
-  {
-    Components.utils.import("resource:///modules/translation/Translation.jsm");
-    Translation.openProviderAttribution();
-  },
-
   toggleDoNotDisturbNotifications: function (event)
   {
     AlertsServiceDND.manualDoNotDisturb = event.target.checked;
diff --git a/application/basilisk/components/preferences/in-content/content.xul b/application/basilisk/components/preferences/in-content/content.xul
index 9434cba62..fac864411 100644
--- a/application/basilisk/components/preferences/in-content/content.xul
+++ b/application/basilisk/components/preferences/in-content/content.xul
@@ -22,11 +22,6 @@
   <preference id="font.language.group"
               name="font.language.group"
               type="wstring"/>
-
-  <!-- Languages -->
-  <preference id="browser.translation.detectLanguage"
-              name="browser.translation.detectLanguage"
-              type="bool"/>
 </preferences>
 
 <script type="application/javascript"
@@ -191,23 +186,4 @@
             label="&chooseButton.label;"
             accesskey="&chooseButton.accesskey;"/>
   </hbox>
-
-  <hbox id="translationBox" hidden="true">
-    <hbox align="center" flex="1">
-      <checkbox id="translate" preference="browser.translation.detectLanguage"
-                label="&translateWebPages.label;." accesskey="&translateWebPages.accesskey;"
-                onsyncfrompreference="return gContentPane.updateButtons('translateButton',
-                                              'browser.translation.detectLanguage');"/>
-      <hbox id="bingAttribution" hidden="true">
-        <label>&translation.options.attribution.beforeLogo;</label>
-        <separator orient="vertical" class="thin"/>
-        <image id="translationAttributionImage" aria-label="Microsoft Translator"
-               src="chrome://browser/content/microsoft-translator-attribution.png"/>
-        <separator orient="vertical" class="thin"/>
-        <label>&translation.options.attribution.afterLogo;</label>
-      </hbox>
-    </hbox>
-    <button id="translateButton" label="&translateExceptions.label;"
-            accesskey="&translateExceptions.accesskey;"/>
-  </hbox>
 </groupbox>
diff --git a/application/basilisk/components/preferences/in-content/jar.mn b/application/basilisk/components/preferences/in-content/jar.mn
index e61a88856..70544f332 100644
--- a/application/basilisk/components/preferences/in-content/jar.mn
+++ b/application/basilisk/components/preferences/in-content/jar.mn
@@ -9,7 +9,6 @@ browser.jar:
 
    content/browser/preferences/in-content/main.js
 *  content/browser/preferences/in-content/privacy.js
-   content/browser/preferences/in-content/containers.js
    content/browser/preferences/in-content/advanced.js
    content/browser/preferences/in-content/applications.js
 *  content/browser/preferences/in-content/content.js
diff --git a/application/basilisk/components/preferences/in-content/preferences.js b/application/basilisk/components/preferences/in-content/preferences.js
index e18ab4b04..35e10c58d 100644
--- a/application/basilisk/components/preferences/in-content/preferences.js
+++ b/application/basilisk/components/preferences/in-content/preferences.js
@@ -61,7 +61,6 @@ function init_all() {
   register_module("paneGeneral", gMainPane);
   register_module("paneSearch", gSearchPane);
   register_module("panePrivacy", gPrivacyPane);
-  register_module("paneContainers", gContainersPane);
   register_module("paneAdvanced", gAdvancedPane);
   register_module("paneApplications", gApplicationsPane);
   register_module("paneContent", gContentPane);
diff --git a/application/basilisk/components/preferences/in-content/preferences.xul b/application/basilisk/components/preferences/in-content/preferences.xul
index 7ec7ef119..093516140 100644
--- a/application/basilisk/components/preferences/in-content/preferences.xul
+++ b/application/basilisk/components/preferences/in-content/preferences.xul
@@ -13,7 +13,6 @@
   href="chrome://browser/content/preferences/handlers.css"?>
 <?xml-stylesheet href="chrome://browser/skin/preferences/applications.css"?>
 <?xml-stylesheet href="chrome://browser/skin/preferences/in-content/search.css"?>
-<?xml-stylesheet href="chrome://browser/skin/preferences/in-content/containers.css"?>
 
 <!DOCTYPE page [
 <!ENTITY % brandDTD SYSTEM "chrome://branding/locale/brand.dtd">
@@ -27,8 +26,6 @@
 <!ENTITY % syncDTD SYSTEM "chrome://browser/locale/preferences/sync.dtd">
 <!ENTITY % securityDTD SYSTEM
   "chrome://browser/locale/preferences/security.dtd">
-<!ENTITY % containersDTD SYSTEM
-  "chrome://browser/locale/preferences/containers.dtd">
 <!ENTITY % sanitizeDTD SYSTEM "chrome://browser/locale/sanitize.dtd">
 <!ENTITY % mainDTD SYSTEM "chrome://browser/locale/preferences/main.dtd">
 <!ENTITY % aboutHomeDTD SYSTEM "chrome://browser/locale/aboutHome.dtd">
@@ -46,7 +43,6 @@
 %syncBrandDTD;
 %syncDTD;
 %securityDTD;
-%containersDTD;
 %sanitizeDTD;
 %mainDTD;
 %aboutHomeDTD;
@@ -134,12 +130,6 @@
         <label class="category-name" flex="1">&panePrivacy.title;</label>
       </richlistitem>
 
-      <richlistitem id="category-containers"
-                    class="category"
-                    value="paneContainers"
-                    helpTopic="prefs-containers"
-                    hidden="true"/>
-
       <richlistitem id="category-security"
                     class="category"
                     value="paneSecurity"
@@ -183,7 +173,6 @@
 #include main.xul
 #include search.xul
 #include privacy.xul
-#include containers.xul
 #include advanced.xul
 #include applications.xul
 #include content.xul
diff --git a/application/basilisk/components/preferences/in-content/privacy.js b/application/basilisk/components/preferences/in-content/privacy.js
index eab606e36..a976fb4fa 100644
--- a/application/basilisk/components/preferences/in-content/privacy.js
+++ b/application/basilisk/components/preferences/in-content/privacy.js
@@ -5,8 +5,6 @@
 Components.utils.import("resource://gre/modules/AppConstants.jsm");
 Components.utils.import("resource://gre/modules/PluralForm.jsm");
 
-XPCOMUtils.defineLazyModuleGetter(this, "ContextualIdentityService",
-                                  "resource://gre/modules/ContextualIdentityService.jsm");
 XPCOMUtils.defineLazyModuleGetter(this, "PluralForm",
                                   "resource://gre/modules/PluralForm.jsm");
 
@@ -62,59 +60,6 @@ var gPrivacyPane = {
   },
 
   /**
-   * Show the Containers UI depending on the privacy.userContext.ui.enabled pref.
-   */
-  _initBrowserContainers: function () {
-    if (!Services.prefs.getBoolPref("privacy.userContext.ui.enabled")) {
-      return;
-    }
-
-    let link = document.getElementById("browserContainersLearnMore");
-    link.href = Services.urlFormatter.formatURLPref("app.support.baseURL") + "containers";
-
-    document.getElementById("browserContainersbox").hidden = false;
-
-    document.getElementById("browserContainersCheckbox").checked =
-      Services.prefs.getBoolPref("privacy.userContext.enabled");
-  },
-
-  _checkBrowserContainers: function(event) {
-    let checkbox = document.getElementById("browserContainersCheckbox");
-    if (checkbox.checked) {
-      Services.prefs.setBoolPref("privacy.userContext.enabled", true);
-      return;
-    }
-
-    let count = ContextualIdentityService.countContainerTabs();
-    if (count == 0) {
-      Services.prefs.setBoolPref("privacy.userContext.enabled", false);
-      return;
-    }
-
-    let bundlePreferences = document.getElementById("bundlePreferences");
-
-    let title = bundlePreferences.getString("disableContainersAlertTitle");
-    let message = PluralForm.get(count, bundlePreferences.getString("disableContainersMsg"))
-                            .replace("#S", count)
-    let okButton = PluralForm.get(count, bundlePreferences.getString("disableContainersOkButton"))
-                             .replace("#S", count)
-    let cancelButton = bundlePreferences.getString("disableContainersButton2");
-
-    let buttonFlags = (Ci.nsIPrompt.BUTTON_TITLE_IS_STRING * Ci.nsIPrompt.BUTTON_POS_0) +
-                      (Ci.nsIPrompt.BUTTON_TITLE_IS_STRING * Ci.nsIPrompt.BUTTON_POS_1);
-
-    let rv = Services.prompt.confirmEx(window, title, message, buttonFlags,
-                                       okButton, cancelButton, null, null, {});
-    if (rv == 0) {
-      ContextualIdentityService.closeAllContainerTabs();
-      Services.prefs.setBoolPref("privacy.userContext.enabled", false);
-      return;
-    }
-
-    checkbox.checked = true;
-  },
-
-  /**
    * Sets up the UI for the number of days of history to keep, and updates the
    * label of the "Clear Now..." button.
    */
@@ -136,7 +81,6 @@ var gPrivacyPane = {
     this._initTrackingProtectionPBM();
 #endif
     this._initAutocomplete();
-    this._initBrowserContainers();
 
     setEventListener("privacy.sanitize.sanitizeOnShutdown", "change",
                      gPrivacyPane._updateSanitizeSettingsButton);
@@ -184,10 +128,6 @@ var gPrivacyPane = {
     setEventListener("changeBlockListPBM", "command",
                      gPrivacyPane.showBlockLists);
 #endif
-    setEventListener("browserContainersCheckbox", "command",
-                     gPrivacyPane._checkBrowserContainers);
-    setEventListener("browserContainersSettings", "command",
-                     gPrivacyPane.showContainerSettings);
   },
 
 #ifdef MOZ_SAFE_BROWSING
@@ -489,13 +429,6 @@ var gPrivacyPane = {
   },
 #endif
 
-  /**
-   * Displays container panel for customising and adding containers.
-   */
-  showContainerSettings() {
-    gotoPref("containers");
-  },
-
 #ifdef MOZ_SAFE_BROWSING
   /**
    * Displays the available block lists for tracking protection.
@@ -702,25 +635,4 @@ var gPrivacyPane = {
 
     settingsButton.disabled = !sanitizeOnShutdownPref.value;
    },
-
-  // CONTAINERS
-
-  /*
-   * preferences:
-   *
-   * privacy.userContext.enabled
-   * - true if containers is enabled
-   */
-
-   /**
-    * Enables/disables the Settings button used to configure containers
-    */
-   readBrowserContainersCheckbox: function ()
-   {
-     var pref = document.getElementById("privacy.userContext.enabled");
-     var settings = document.getElementById("browserContainersSettings");
-
-     settings.disabled = !pref.value;
-   }
-
 };
diff --git a/application/basilisk/components/preferences/in-content/privacy.xul b/application/basilisk/components/preferences/in-content/privacy.xul
index e6cdc5dd2..691cd6bf9 100644
--- a/application/basilisk/components/preferences/in-content/privacy.xul
+++ b/application/basilisk/components/preferences/in-content/privacy.xul
@@ -302,28 +302,3 @@
     &suggestionSettings.label;
   </label>
 </groupbox>
-
-<!-- Containers -->
-<groupbox id="browserContainersGroup" data-category="panePrivacy" hidden="true">
-  <vbox id="browserContainersbox" hidden="true">
-    <caption><label>&browserContainersHeader.label;
-      <label id="browserContainersLearnMore" class="text-link"
-             value="&browserContainersLearnMore.label;"/>
-    </label></caption>
-    <hbox align="start">
-      <vbox>
-        <checkbox id="browserContainersCheckbox"
-                  label="&browserContainersEnabled.label;"
-                  accesskey="&browserContainersEnabled.accesskey;"
-                  preference="privacy.userContext.enabled"
-                  onsyncfrompreference="return gPrivacyPane.readBrowserContainersCheckbox();"/>
-      </vbox>
-      <spacer flex="1"/>
-      <vbox>
-        <button id="browserContainersSettings"
-                label="&browserContainersSettings.label;"
-                accesskey="&browserContainersSettings.accesskey;"/>
-      </vbox>
-    </hbox>
-  </vbox>
-</groupbox>
diff --git a/application/basilisk/components/preferences/in-content/sync.js b/application/basilisk/components/preferences/in-content/sync.js
index 27f7cd48c..2600677a8 100644
--- a/application/basilisk/components/preferences/in-content/sync.js
+++ b/application/basilisk/components/preferences/in-content/sync.js
@@ -306,113 +306,8 @@ var gSyncPane = {
     let service = Components.classes["@mozilla.org/weave/service;1"]
                   .getService(Components.interfaces.nsISupports)
                   .wrappedJSObject;
-    // service.fxAccountsEnabled is false iff sync is already configured for
-    // the legacy provider.
-    if (service.fxAccountsEnabled) {
-      let displayNameLabel = document.getElementById("fxaDisplayName");
-      let fxaEmailAddress1Label = document.getElementById("fxaEmailAddress1");
-      fxaEmailAddress1Label.hidden = false;
-      displayNameLabel.hidden = true;
-
-      let profileInfoEnabled;
-      try {
-        profileInfoEnabled = Services.prefs.getBoolPref("identity.fxaccounts.profile_image.enabled");
-      } catch (ex) {}
-
-      // determine the fxa status...
-      this._showLoadPage(service);
-
-      fxAccounts.getSignedInUser().then(data => {
-        if (!data) {
-          this.page = FXA_PAGE_LOGGED_OUT;
-          return false;
-        }
-        this.page = FXA_PAGE_LOGGED_IN;
-        // We are logged in locally, but maybe we are in a state where the
-        // server rejected our credentials (eg, password changed on the server)
-        let fxaLoginStatus = document.getElementById("fxaLoginStatus");
-        let syncReady;
-        // Not Verfied implies login error state, so check that first.
-        if (!data.verified) {
-          fxaLoginStatus.selectedIndex = FXA_LOGIN_UNVERIFIED;
-          syncReady = false;
-        // So we think we are logged in, so login problems are next.
-        // (Although if the Sync identity manager is still initializing, we
-        // ignore login errors and assume all will eventually be good.)
-        // LOGIN_FAILED_LOGIN_REJECTED explicitly means "you must log back in".
-        // All other login failures are assumed to be transient and should go
-        // away by themselves, so aren't reflected here.
-        } else if (Weave.Status.login == Weave.LOGIN_FAILED_LOGIN_REJECTED) {
-          fxaLoginStatus.selectedIndex = FXA_LOGIN_FAILED;
-          syncReady = false;
-        // Else we must be golden (or in an error state we expect to magically
-        // resolve itself)
-        } else {
-          fxaLoginStatus.selectedIndex = FXA_LOGIN_VERIFIED;
-          syncReady = true;
-        }
-        fxaEmailAddress1Label.textContent = data.email;
-        document.getElementById("fxaEmailAddress2").textContent = data.email;
-        document.getElementById("fxaEmailAddress3").textContent = data.email;
-        this._populateComputerName(Weave.Service.clientsEngine.localName);
-        let engines = document.getElementById("fxaSyncEngines")
-        for (let checkbox of engines.querySelectorAll("checkbox")) {
-          checkbox.disabled = !syncReady;
-        }
-        document.getElementById("fxaChangeDeviceName").disabled = !syncReady;
-
-        // Clear the profile image (if any) of the previously logged in account.
-        document.getElementById("fxaProfileImage").style.removeProperty("list-style-image");
-
-        // If the account is verified the next promise in the chain will
-        // fetch profile data.
-        return data.verified;
-      }).then(isVerified => {
-        if (isVerified) {
-          return fxAccounts.getSignedInUserProfile();
-        }
-        return null;
-      }).then(data => {
-        let fxaLoginStatus = document.getElementById("fxaLoginStatus");
-        if (data && profileInfoEnabled) {
-          if (data.displayName) {
-            fxaLoginStatus.setAttribute("hasName", true);
-            displayNameLabel.hidden = false;
-            displayNameLabel.textContent = data.displayName;
-          } else {
-            fxaLoginStatus.removeAttribute("hasName");
-          }
-          if (data.avatar) {
-            let bgImage = "url(\"" + data.avatar + "\")";
-            let profileImageElement = document.getElementById("fxaProfileImage");
-            profileImageElement.style.listStyleImage = bgImage;
-
-            let img = new Image();
-            img.onerror = () => {
-              // Clear the image if it has trouble loading. Since this callback is asynchronous
-              // we check to make sure the image is still the same before we clear it.
-              if (profileImageElement.style.listStyleImage === bgImage) {
-                profileImageElement.style.removeProperty("list-style-image");
-              }
-            };
-            img.src = data.avatar;
-          }
-        } else {
-          fxaLoginStatus.removeAttribute("hasName");
-        }
-      }, err => {
-        FxAccountsCommon.log.error(err);
-      }).catch(err => {
-        // If we get here something's really busted
-        Cu.reportError(String(err));
-      });
-
-    // If fxAccountEnabled is false and we are in a "not configured" state,
-    // then fxAccounts is probably fully disabled rather than just unconfigured,
-    // so handle this case.  This block can be removed once we remove support
-    // for fxAccounts being disabled.
-    } else if (Weave.Status.service == Weave.CLIENT_NOT_CONFIGURED ||
-               Weave.Svc.Prefs.get("firstSync", "") == "notReady") {
+    if (Weave.Status.service == Weave.CLIENT_NOT_CONFIGURED ||
+        Weave.Svc.Prefs.get("firstSync", "") == "notReady") {
       this.page = PAGE_NO_ACCOUNT;
     // else: sync was previously configured for the legacy provider, so we
     // make the "old" panels available.
@@ -646,6 +541,16 @@ var gSyncPane = {
     });
   },
 
+  openQuotaDialog: function () {
+    let win = Services.wm.getMostRecentWindow("Sync:ViewQuota");
+    if (win) {
+      win.focus();
+    } else {
+      window.openDialog("chrome://browser/content/sync/quota.xul", "",
+                        "centerscreen,chrome,dialog,modal");
+    }
+  },
+
   openAddDevice: function () {
     if (!Weave.Utils.ensureMPUnlocked())
       return;
diff --git a/application/basilisk/components/preferences/in-content/sync.xul b/application/basilisk/components/preferences/in-content/sync.xul
index f1aebf2aa..cf0e81ca1 100644
--- a/application/basilisk/components/preferences/in-content/sync.xul
+++ b/application/basilisk/components/preferences/in-content/sync.xul
@@ -71,6 +71,9 @@
                 label="&manageAccount.label;"
                 accesskey="&manageAccount.accesskey;">
           <menupopup>
+            <menuitem id="syncViewQuota" label="&viewQuota.label;"
+                      oncommand="gSyncPane.openQuotaDialog();"/>
+            <menuseparator/> 
             <menuitem id="syncChangePassword" label="&changePassword2.label;"/>
             <menuitem id="syncResetPassphrase" label="&myRecoveryKey.label;"/>
             <menuseparator/>
@@ -91,11 +94,6 @@
         <richlistbox id="syncEnginesList"
                      orient="vertical">
           <richlistitem>
-            <checkbox label="&engine.addons.label;"
-                      accesskey="&engine.addons.accesskey;"
-                      preference="engine.addons"/>
-          </richlistitem>
-          <richlistitem>
             <checkbox label="&engine.bookmarks.label;"
                       accesskey="&engine.bookmarks.accesskey;"
                       preference="engine.bookmarks"/>
diff --git a/application/basilisk/components/preferences/jar.mn b/application/basilisk/components/preferences/jar.mn
index d233c7865..f74be0820 100644
--- a/application/basilisk/components/preferences/jar.mn
+++ b/application/basilisk/components/preferences/jar.mn
@@ -24,12 +24,8 @@ browser.jar:
 *   content/browser/preferences/languages.xul
     content/browser/preferences/languages.js
     content/browser/preferences/permissions.xul
-    content/browser/preferences/containers.xul
-    content/browser/preferences/containers.js
     content/browser/preferences/permissions.js
     content/browser/preferences/sanitize.xul
     content/browser/preferences/sanitize.js
     content/browser/preferences/selectBookmark.xul
     content/browser/preferences/selectBookmark.js
-    content/browser/preferences/translation.xul
-    content/browser/preferences/translation.js
diff --git a/application/basilisk/components/preferences/translation.js b/application/basilisk/components/preferences/translation.js
deleted file mode 100644
index cd570db0e..000000000
--- a/application/basilisk/components/preferences/translation.js
+++ /dev/null
@@ -1,255 +0,0 @@
-/* -*- indent-tabs-mode: nil; js-indent-level: 4 -*- */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-"use strict";
-
-var {classes: Cc, interfaces: Ci, utils: Cu} = Components;
-
-Cu.import("resource://gre/modules/XPCOMUtils.jsm");
-Cu.import("resource://gre/modules/Services.jsm");
-
-XPCOMUtils.defineLazyGetter(this, "gLangBundle", () =>
-  Services.strings.createBundle("chrome://global/locale/languageNames.properties"));
-
-const kPermissionType = "translate";
-const kLanguagesPref = "browser.translation.neverForLanguages";
-
-function Tree(aId, aData)
-{
-  this._data = aData;
-  this._tree = document.getElementById(aId);
-  this._tree.view = this;
-}
-
-Tree.prototype = {
-  get boxObject() {
-    return this._tree.treeBoxObject;
-  },
-  get isEmpty() {
-    return !this._data.length;
-  },
-  get hasSelection() {
-    return this.selection.count > 0;
-  },
-  getSelectedItems: function() {
-    let result = [];
-
-    let rc = this.selection.getRangeCount();
-    for (let i = 0; i < rc; ++i) {
-      let min = {}, max = {};
-      this.selection.getRangeAt(i, min, max);
-      for (let j = min.value; j <= max.value; ++j)
-        result.push(this._data[j]);
-    }
-
-    return result;
-  },
-
-  // nsITreeView implementation
-  get rowCount() {
-    return this._data.length;
-  },
-  getCellText: function (aRow, aColumn) {
-    return this._data[aRow];
-  },
-  isSeparator: function(aIndex) {
-    return false;
-  },
-  isSorted: function() {
-    return false;
-  },
-  isContainer: function(aIndex) {
-    return false;
-  },
-  setTree: function(aTree) {},
-  getImageSrc: function(aRow, aColumn) {},
-  getProgressMode: function(aRow, aColumn) {},
-  getCellValue: function(aRow, aColumn) {},
-  cycleHeader: function(column) {},
-  getRowProperties: function(row) {
-    return "";
-  },
-  getColumnProperties: function(column) {
-    return "";
-  },
-  getCellProperties: function(row, column) {
-    return "";
-  },
-  QueryInterface: XPCOMUtils.generateQI([Ci.nsITreeView])
-};
-
-function Lang(aCode)
-{
-  this.langCode = aCode;
-  this._label = gLangBundle.GetStringFromName(aCode);
-}
-
-Lang.prototype = {
-  toString: function() {
-    return this._label;
-  }
-}
-
-var gTranslationExceptions = {
-  onLoad: function() {
-    if (this._siteTree) {
-      // Re-using an open dialog, clear the old observers.
-      this.uninit();
-    }
-
-    // Load site permissions into an array.
-    this._sites = [];
-    let enumerator = Services.perms.enumerator;
-    while (enumerator.hasMoreElements()) {
-      let perm = enumerator.getNext().QueryInterface(Ci.nsIPermission);
-
-      if (perm.type == kPermissionType &&
-          perm.capability == Services.perms.DENY_ACTION) {
-        this._sites.push(perm.principal.origin);
-      }
-    }
-    Services.obs.addObserver(this, "perm-changed", false);
-    this._sites.sort();
-
-    this._siteTree = new Tree("sitesTree", this._sites);
-    this.onSiteSelected();
-
-    this._langs = this.getLanguageExceptions();
-    Services.prefs.addObserver(kLanguagesPref, this, false);
-    this._langTree = new Tree("languagesTree", this._langs);
-    this.onLanguageSelected();
-  },
-
-  // Get the list of languages we don't translate as an array.
-  getLanguageExceptions: function() {
-    let langs = Services.prefs.getCharPref(kLanguagesPref);
-    if (!langs)
-      return [];
-
-    let result = langs.split(",").map(code => new Lang(code));
-    result.sort();
-
-    return result;
-  },
-
-  observe: function(aSubject, aTopic, aData) {
-    if (aTopic == "perm-changed") {
-      if (aData == "cleared") {
-        if (!this._sites.length)
-          return;
-        let removed = this._sites.splice(0, this._sites.length);
-        this._siteTree.boxObject.rowCountChanged(0, - removed.length);
-      }
-      else {
-        let perm = aSubject.QueryInterface(Ci.nsIPermission);
-        if (perm.type != kPermissionType)
-          return;
-
-        if (aData == "added") {
-          if (perm.capability != Services.perms.DENY_ACTION)
-            return;
-          this._sites.push(perm.principal.origin);
-          this._sites.sort();
-          let boxObject = this._siteTree.boxObject;
-          boxObject.rowCountChanged(0, 1);
-          boxObject.invalidate();
-        }
-        else if (aData == "deleted") {
-          let index = this._sites.indexOf(perm.principal.origin);
-          if (index == -1)
-            return;
-          this._sites.splice(index, 1);
-          this._siteTree.boxObject.rowCountChanged(index, -1);
-          this.onSiteSelected();
-          return;
-        }
-      }
-      this.onSiteSelected();
-    }
-    else if (aTopic == "nsPref:changed") {
-      this._langs = this.getLanguageExceptions();
-      let change = this._langs.length - this._langTree.rowCount;
-      this._langTree._data = this._langs;
-      let boxObject = this._langTree.boxObject;
-      if (change)
-        boxObject.rowCountChanged(0, change);
-      boxObject.invalidate();
-      this.onLanguageSelected();
-    }
-  },
-
-  _handleButtonDisabling: function(aTree, aIdPart) {
-    let empty = aTree.isEmpty;
-    document.getElementById("removeAll" + aIdPart + "s").disabled = empty;
-    document.getElementById("remove" + aIdPart).disabled =
-      empty || !aTree.hasSelection;
-  },
-
-  onLanguageSelected: function() {
-    this._handleButtonDisabling(this._langTree, "Language");
-  },
-
-  onSiteSelected: function() {
-    this._handleButtonDisabling(this._siteTree, "Site");
-  },
-
-  onLanguageDeleted: function() {
-    let langs = Services.prefs.getCharPref(kLanguagesPref);
-    if (!langs)
-      return;
-
-    let removed = this._langTree.getSelectedItems().map(l => l.langCode);
-
-    langs = langs.split(",").filter(l => removed.indexOf(l) == -1);
-    Services.prefs.setCharPref(kLanguagesPref, langs.join(","));
-  },
-
-  onAllLanguagesDeleted: function() {
-    Services.prefs.setCharPref(kLanguagesPref, "");
-  },
-
-  onSiteDeleted: function() {
-    let removedSites = this._siteTree.getSelectedItems();
-    for (let origin of removedSites) {
-      let principal = Services.scriptSecurityManager.createCodebasePrincipalFromOrigin(origin);
-      Services.perms.removeFromPrincipal(principal, kPermissionType);
-    }
-  },
-
-  onAllSitesDeleted: function() {
-    if (this._siteTree.isEmpty)
-      return;
-
-    let removedSites = this._sites.splice(0, this._sites.length);
-    this._siteTree.boxObject.rowCountChanged(0, -removedSites.length);
-
-    for (let origin of removedSites) {
-      let principal = Services.scriptSecurityManager.createCodebasePrincipalFromOrigin(origin);
-      Services.perms.removeFromPrincipal(principal, kPermissionType);
-    }
-
-    this.onSiteSelected();
-  },
-
-  onSiteKeyPress: function(aEvent) {
-    if (aEvent.keyCode == KeyEvent.DOM_VK_DELETE)
-      this.onSiteDeleted();
-  },
-
-  onLanguageKeyPress: function(aEvent) {
-    if (aEvent.keyCode == KeyEvent.DOM_VK_DELETE)
-      this.onLanguageDeleted();
-  },
-
-  onWindowKeyPress: function(aEvent) {
-    if (aEvent.keyCode == KeyEvent.DOM_VK_ESCAPE)
-      window.close();
-  },
-
-  uninit: function() {
-    Services.obs.removeObserver(this, "perm-changed");
-    Services.prefs.removeObserver(kLanguagesPref, this);
-  }
-};
diff --git a/application/basilisk/components/preferences/translation.xul b/application/basilisk/components/preferences/translation.xul
deleted file mode 100644
index b5dfd1b9b..000000000
--- a/application/basilisk/components/preferences/translation.xul
+++ /dev/null
@@ -1,88 +0,0 @@
-<?xml version="1.0"?>
-
-<!-- This Source Code Form is subject to the terms of the Mozilla Public
-   - License, v. 2.0. If a copy of the MPL was not distributed with this
-   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
-
-<?xml-stylesheet href="chrome://global/skin/" type="text/css"?>
-<?xml-stylesheet href="chrome://browser/skin/preferences/preferences.css" type="text/css"?>
-
-<!DOCTYPE dialog SYSTEM "chrome://browser/locale/preferences/translation.dtd">
-
-<window id="TranslationDialog" class="windowDialog"
-        windowtype="Browser:TranslationExceptions"
-        title="&window.title;"
-        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
-        style="width: &window.width;;"
-        onload="gTranslationExceptions.onLoad();"
-        onunload="gTranslationExceptions.uninit();"
-        persist="screenX screenY width height"
-        onkeypress="gTranslationExceptions.onWindowKeyPress(event);">
-
-  <script src="chrome://browser/content/preferences/translation.js"/>
-
-  <stringbundle id="bundlePreferences"
-                src="chrome://browser/locale/preferences/preferences.properties"/>
-
-  <keyset>
-    <key key="&windowClose.key;" modifiers="accel" oncommand="window.close();"/>
-  </keyset>
-
-  <vbox class="largeDialogContainer">
-    <vbox class="contentPane" flex="1">
-      <label id="languagesLabel" control="permissionsTree">&noTranslationForLanguages.label;</label>
-      <separator class="thin"/>
-      <tree id="languagesTree" flex="1" style="height: 12em;"
-            hidecolumnpicker="true"
-            onkeypress="gTranslationExceptions.onLanguageKeyPress(event)"
-            onselect="gTranslationExceptions.onLanguageSelected();">
-        <treecols>
-          <treecol id="languageCol" label="&treehead.languageName.label;" flex="1"/>
-        </treecols>
-        <treechildren/>
-      </tree>
-    </vbox>
-    <hbox align="end">
-      <hbox class="actionButtons" flex="1">
-        <button id="removeLanguage" disabled="true"
-                accesskey="&removeLanguage.accesskey;"
-                icon="remove" label="&removeLanguage.label;"
-                oncommand="gTranslationExceptions.onLanguageDeleted();"/>
-        <button id="removeAllLanguages"
-                icon="clear" label="&removeAllLanguages.label;"
-                accesskey="&removeAllLanguages.accesskey;"
-                oncommand="gTranslationExceptions.onAllLanguagesDeleted();"/>
-        <spacer flex="1"/>
-      </hbox>
-    </hbox>
-    <separator/>
-    <vbox class="contentPane" flex="1">
-      <label id="languagesLabel" control="permissionsTree">&noTranslationForSites.label;</label>
-      <separator class="thin"/>
-      <tree id="sitesTree" flex="1" style="height: 12em;"
-            hidecolumnpicker="true"
-            onkeypress="gTranslationExceptions.onSiteKeyPress(event)"
-            onselect="gTranslationExceptions.onSiteSelected();">
-        <treecols>
-          <treecol id="siteCol" label="&treehead.siteName.label;" flex="1"/>
-        </treecols>
-        <treechildren/>
-      </tree>
-    </vbox>
-  </vbox>
-  <hbox align="end">
-    <hbox class="actionButtons" flex="1">
-      <button id="removeSite" disabled="true"
-              accesskey="&removeSite.accesskey;"
-              icon="remove" label="&removeSite.label;"
-              oncommand="gTranslationExceptions.onSiteDeleted();"/>
-      <button id="removeAllSites"
-              icon="clear" label="&removeAllSites.label;"
-              accesskey="&removeAllSites.accesskey;"
-              oncommand="gTranslationExceptions.onAllSitesDeleted();"/>
-      <spacer flex="1"/>
-      <button oncommand="close();" icon="close"
-              label="&button.close.label;" accesskey="&button.close.accesskey;"/>
-    </hbox>
-  </hbox>
-</window>
diff --git a/application/basilisk/components/sessionstore/ContentRestore.jsm b/application/basilisk/components/sessionstore/ContentRestore.jsm
index d4972bcaf..8b3867624 100644
--- a/application/basilisk/components/sessionstore/ContentRestore.jsm
+++ b/application/basilisk/components/sessionstore/ContentRestore.jsm
@@ -208,10 +208,6 @@ ContentRestoreInternal.prototype = {
                                   ? Utils.deserializePrincipal(loadArguments.triggeringPrincipal)
                                   : null;
 
-        if (loadArguments.userContextId) {
-          webNavigation.setOriginAttributesBeforeLoading({ userContextId: loadArguments.userContextId });
-        }
-
         webNavigation.loadURIWithOptions(loadArguments.uri, loadArguments.flags,
                                          referrer, referrerPolicy, postData,
                                          null, null, triggeringPrincipal);
diff --git a/application/basilisk/components/sessionstore/SessionFile.jsm b/application/basilisk/components/sessionstore/SessionFile.jsm
index 80c4e7790..3c55101e4 100644
--- a/application/basilisk/components/sessionstore/SessionFile.jsm
+++ b/application/basilisk/components/sessionstore/SessionFile.jsm
@@ -43,8 +43,6 @@ XPCOMUtils.defineLazyModuleGetter(this, "PromiseUtils",
   "resource://gre/modules/PromiseUtils.jsm");
 XPCOMUtils.defineLazyModuleGetter(this, "RunState",
   "resource:///modules/sessionstore/RunState.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "TelemetryStopwatch",
-  "resource://gre/modules/TelemetryStopwatch.jsm");
 XPCOMUtils.defineLazyModuleGetter(this, "Task",
   "resource://gre/modules/Task.jsm");
 XPCOMUtils.defineLazyServiceGetter(this, "Telemetry",
diff --git a/application/basilisk/components/sessionstore/SessionHistory.jsm b/application/basilisk/components/sessionstore/SessionHistory.jsm
index 3d28d87db..907a60839 100644
--- a/application/basilisk/components/sessionstore/SessionHistory.jsm
+++ b/application/basilisk/components/sessionstore/SessionHistory.jsm
@@ -64,11 +64,10 @@ var SessionHistoryInternal = {
    *        The docShell that owns the session history.
    */
   collect: function (docShell) {
-    let loadContext = docShell.QueryInterface(Ci.nsILoadContext);
     let webNavigation = docShell.QueryInterface(Ci.nsIWebNavigation);
     let history = webNavigation.sessionHistory.QueryInterface(Ci.nsISHistoryInternal);
 
-    let data = {entries: [], userContextId: loadContext.originAttributes.userContextId };
+    let data = {entries: []};
 
     if (history && history.count > 0) {
       // Loop over the transaction linked list directly so we can get the
diff --git a/application/basilisk/components/sessionstore/SessionSaver.jsm b/application/basilisk/components/sessionstore/SessionSaver.jsm
index d672f8877..fa3a67512 100644
--- a/application/basilisk/components/sessionstore/SessionSaver.jsm
+++ b/application/basilisk/components/sessionstore/SessionSaver.jsm
@@ -13,7 +13,6 @@ const Ci = Components.interfaces;
 Cu.import("resource://gre/modules/Timer.jsm", this);
 Cu.import("resource://gre/modules/Services.jsm", this);
 Cu.import("resource://gre/modules/XPCOMUtils.jsm", this);
-Cu.import("resource://gre/modules/TelemetryStopwatch.jsm", this);
 
 XPCOMUtils.defineLazyModuleGetter(this, "AppConstants",
   "resource://gre/modules/AppConstants.jsm");
@@ -52,19 +51,6 @@ function notify(subject, topic) {
   Services.obs.notifyObservers(subject, topic, "");
 }
 
-// TelemetryStopwatch helper functions.
-function stopWatch(method) {
-  return function (...histograms) {
-    for (let hist of histograms) {
-      TelemetryStopwatch[method]("FX_SESSION_RESTORE_" + hist);
-    }
-  };
-}
-
-var stopWatchStart = stopWatch("start");
-var stopWatchCancel = stopWatch("cancel");
-var stopWatchFinish = stopWatch("finish");
-
 /**
  * The external API implemented by the SessionSaver module.
  */
@@ -182,7 +168,6 @@ var SessionSaverInternal = {
       return Promise.resolve();
     }
 
-    stopWatchStart("COLLECT_DATA_MS", "COLLECT_DATA_LONGEST_OP_MS");
     let state = SessionStore.getCurrentState(forceUpdateAllWindows);
     PrivacyFilter.filterPrivateWindowsAndTabs(state);
 
@@ -226,7 +211,6 @@ var SessionSaverInternal = {
       }
     }
 
-    stopWatchFinish("COLLECT_DATA_MS", "COLLECT_DATA_LONGEST_OP_MS");
     return this._writeState(state);
   },
 
diff --git a/application/basilisk/components/sessionstore/SessionStorage.jsm b/application/basilisk/components/sessionstore/SessionStorage.jsm
index 705139ebf..7499f95e9 100644
--- a/application/basilisk/components/sessionstore/SessionStorage.jsm
+++ b/application/basilisk/components/sessionstore/SessionStorage.jsm
@@ -74,7 +74,14 @@ var SessionStorageInternal = {
 
       // Get the origin of the current history entry
       // and use that as a key for the per-principal storage data.
-      let origin = principal.origin;
+      let origin;
+      try {
+        // The origin getter may throw for about:blank iframes as of bug 1340710,
+        // but we should ignore them anyway. The same goes for custom protocols.
+        origin = principal.origin;
+      } catch (e) {
+        return;
+      }
       if (visitedOrigins.has(origin)) {
         // Don't read a host twice.
         return;
diff --git a/application/basilisk/components/sessionstore/SessionStore.jsm b/application/basilisk/components/sessionstore/SessionStore.jsm
index 6b30943f3..086bb914a 100644
--- a/application/basilisk/components/sessionstore/SessionStore.jsm
+++ b/application/basilisk/components/sessionstore/SessionStore.jsm
@@ -135,7 +135,6 @@ Cu.import("resource://gre/modules/PrivateBrowsingUtils.jsm", this);
 Cu.import("resource://gre/modules/Promise.jsm", this);
 Cu.import("resource://gre/modules/Services.jsm", this);
 Cu.import("resource://gre/modules/Task.jsm", this);
-Cu.import("resource://gre/modules/TelemetryStopwatch.jsm", this);
 Cu.import("resource://gre/modules/TelemetryTimestamps.jsm", this);
 Cu.import("resource://gre/modules/Timer.jsm", this);
 Cu.import("resource://gre/modules/XPCOMUtils.jsm", this);
@@ -564,7 +563,6 @@ var SessionStoreInternal = {
    * Initialize the session using the state provided by SessionStartup
    */
   initSession: function () {
-    TelemetryStopwatch.start("FX_SESSION_RESTORE_STARTUP_INIT_SESSION_MS");
     let state;
     let ss = gSessionStartup;
 
@@ -640,7 +638,6 @@ var SessionStoreInternal = {
         this._prefBranch.getBoolPref("sessionstore.resume_session_once"))
       this._prefBranch.setBoolPref("sessionstore.resume_session_once", false);
 
-    TelemetryStopwatch.finish("FX_SESSION_RESTORE_STARTUP_INIT_SESSION_MS");
     return state;
   },
 
@@ -1247,9 +1244,7 @@ var SessionStoreInternal = {
         if (initialState) {
           Services.obs.notifyObservers(null, NOTIFY_RESTORING_ON_STARTUP, "");
         }
-        TelemetryStopwatch.start("FX_SESSION_RESTORE_STARTUP_ONLOAD_INITIAL_WINDOW_MS");
         this.initializeWindow(aWindow, initialState);
-        TelemetryStopwatch.finish("FX_SESSION_RESTORE_STARTUP_ONLOAD_INITIAL_WINDOW_MS");
 
         // Let everyone know we're done.
         this._deferredInitialized.resolve();
@@ -2209,10 +2204,9 @@ var SessionStoreInternal = {
     }
 
     // Create a new tab.
-    let userContextId = aTab.getAttribute("usercontextid");
     let newTab = aTab == aWindow.gBrowser.selectedTab ?
-      aWindow.gBrowser.addTab(null, {relatedToCurrent: true, ownerTab: aTab, userContextId}) :
-      aWindow.gBrowser.addTab(null, {userContextId});
+      aWindow.gBrowser.addTab(null, {relatedToCurrent: true, ownerTab: aTab}) :
+      aWindow.gBrowser.addTab();
 
     // Set tab title to "Connecting..." and start the throbber to pretend we're
     // doing something while actually waiting for data from the frame script.
@@ -2301,7 +2295,7 @@ var SessionStoreInternal = {
 
     // create a new tab
     let tabbrowser = aWindow.gBrowser;
-    let tab = tabbrowser.selectedTab = tabbrowser.addTab(null, state);
+    let tab = tabbrowser.selectedTab = tabbrowser.addTab();
 
     // restore tab content
     this.restoreTab(tab, state);
@@ -2857,7 +2851,6 @@ var SessionStoreInternal = {
 
     var activeWindow = this._getMostRecentBrowserWindow();
 
-    TelemetryStopwatch.start("FX_SESSION_RESTORE_COLLECT_ALL_WINDOWS_DATA_MS");
     if (RunState.isRunning) {
       // update the data for all windows with activities since the last save operation
       this._forEachBrowserWindow(function(aWindow) {
@@ -2872,7 +2865,6 @@ var SessionStoreInternal = {
       });
       DirtyWindows.clear();
     }
-    TelemetryStopwatch.finish("FX_SESSION_RESTORE_COLLECT_ALL_WINDOWS_DATA_MS");
 
     // An array that at the end will hold all current window data.
     var total = [];
@@ -2892,9 +2884,7 @@ var SessionStoreInternal = {
         nonPopupCount++;
     }
 
-    TelemetryStopwatch.start("FX_SESSION_RESTORE_COLLECT_COOKIES_MS");
     SessionCookies.update(total);
-    TelemetryStopwatch.finish("FX_SESSION_RESTORE_COLLECT_COOKIES_MS");
 
     // collect the data for all windows yet to be restored
     for (ix in this._statesToRestore) {
@@ -3063,8 +3053,6 @@ var SessionStoreInternal = {
     if (aWindow && (!aWindow.__SSi || !this._windows[aWindow.__SSi]))
       this.onLoad(aWindow);
 
-    TelemetryStopwatch.start("FX_SESSION_RESTORE_RESTORE_WINDOW_MS");
-
     // We're not returning from this before we end up calling restoreTabs
     // for this window, so make sure we send the SSWindowStateBusy event.
     this._setWindowStateBusy(aWindow);
@@ -3111,30 +3099,13 @@ var SessionStoreInternal = {
     let numVisibleTabs = 0;
 
     for (var t = 0; t < newTabCount; t++) {
-      // When trying to restore into existing tab, we also take the userContextId
-      // into account if present.
-      let userContextId = winData.tabs[t].userContextId;
-      let reuseExisting = t < openTabCount &&
-                          (tabbrowser.tabs[t].getAttribute("usercontextid") == (userContextId || ""));
-      // If the tab is pinned, then we'll be loading it right away, and
-      // there's no need to cause a remoteness flip by loading it initially
-      // non-remote.
-      let forceNotRemote = !winData.tabs[t].pinned;
-      let tab = reuseExisting ? tabbrowser.tabs[t] :
-                                tabbrowser.addTab("about:blank",
-                                                  {skipAnimation: true,
-                                                   forceNotRemote,
-                                                   userContextId});
-
-      // If we inserted a new tab because the userContextId didn't match with the
-      // open tab, even though `t < openTabCount`, we need to remove that open tab
-      // and put the newly added tab in its place.
-      if (!reuseExisting && t < openTabCount) {
-        tabbrowser.removeTab(tabbrowser.tabs[t]);
-        tabbrowser.moveTabTo(tab, t);
-      }
-
-      tabs.push(tab);
+      tabs.push(t < openTabCount ?
+                tabbrowser.tabs[t] :
+                tabbrowser.addTab("about:blank", {
+                  skipAnimation: true,
+                  forceNotRemote: true,
+                  skipBackgroundNotify: true
+                }));
 
       if (winData.tabs[t].pinned)
         tabbrowser.pinTab(tabs[t]);
@@ -3235,8 +3206,6 @@ var SessionStoreInternal = {
     // set smoothScroll back to the original value
     tabstrip.smoothScroll = smoothScroll;
 
-    TelemetryStopwatch.finish("FX_SESSION_RESTORE_RESTORE_WINDOW_MS");
-
     this._setWindowStateReady(aWindow);
 
     this._sendWindowRestoredNotification(aWindow);
@@ -3543,9 +3512,6 @@ var SessionStoreInternal = {
     let uri = activePageData ? activePageData.url || null : null;
     if (aLoadArguments) {
       uri = aLoadArguments.uri;
-      if (aLoadArguments.userContextId) {
-        browser.setAttribute("usercontextid", aLoadArguments.userContextId);
-      }
     }
 
     // We have to mark this tab as restoring first, otherwise
diff --git a/application/basilisk/components/sessionstore/TabAttributes.jsm b/application/basilisk/components/sessionstore/TabAttributes.jsm
index 8a29680f4..c8e6d9744 100644
--- a/application/basilisk/components/sessionstore/TabAttributes.jsm
+++ b/application/basilisk/components/sessionstore/TabAttributes.jsm
@@ -14,7 +14,10 @@ this.EXPORTED_SYMBOLS = ["TabAttributes"];
 // 'pending' is used internal by sessionstore and managed accordingly.
 // 'iconLoadingPrincipal' is same as 'image' that it should be handled by
 //                        using the gBrowser.getIcon()/setIcon() methods.
-const ATTRIBUTES_TO_SKIP = new Set(["image", "muted", "pending", "iconLoadingPrincipal"]);
+// 'skipbackgroundnotify' is used internal by tabbrowser.xml.
+const ATTRIBUTES_TO_SKIP = new Set(["image", "muted", "pending",
+                                    "iconLoadingPrincipal",
+                                    "skipbackgroundnotify"]);
 
 // A set of tab attributes to persist. We will read a given list of tab
 // attributes when collecting tab data and will re-set those attributes when
diff --git a/application/basilisk/components/sessionstore/TabState.jsm b/application/basilisk/components/sessionstore/TabState.jsm
index f22c52fe3..ac846031b 100644
--- a/application/basilisk/components/sessionstore/TabState.jsm
+++ b/application/basilisk/components/sessionstore/TabState.jsm
@@ -181,10 +181,6 @@ var TabStateInternal = {
       if (key === "history") {
         tabData.entries = value.entries;
 
-        if (value.hasOwnProperty("userContextId")) {
-          tabData.userContextId = value.userContextId;
-        }
-
         if (value.hasOwnProperty("index")) {
           tabData.index = value.index;
         }
diff --git a/application/basilisk/components/sessionstore/nsSessionStartup.js b/application/basilisk/components/sessionstore/nsSessionStartup.js
index 7593c48ec..9cda1552e 100644
--- a/application/basilisk/components/sessionstore/nsSessionStartup.js
+++ b/application/basilisk/components/sessionstore/nsSessionStartup.js
@@ -37,7 +37,6 @@ const Cr = Components.results;
 const Cu = Components.utils;
 Cu.import("resource://gre/modules/XPCOMUtils.jsm");
 Cu.import("resource://gre/modules/Services.jsm");
-Cu.import("resource://gre/modules/TelemetryStopwatch.jsm");
 Cu.import("resource://gre/modules/PrivateBrowsingUtils.jsm");
 Cu.import("resource://gre/modules/Promise.jsm");
 
diff --git a/application/basilisk/components/translation/BingTranslator.jsm b/application/basilisk/components/translation/BingTranslator.jsm
deleted file mode 100644
index fc1cc942a..000000000
--- a/application/basilisk/components/translation/BingTranslator.jsm
+++ /dev/null
@@ -1,449 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-"use strict";
-
-const {classes: Cc, interfaces: Ci, utils: Cu} = Components;
-
-this.EXPORTED_SYMBOLS = [ "BingTranslator" ];
-
-Cu.import("resource://gre/modules/Services.jsm");
-Cu.import("resource://gre/modules/Log.jsm");
-Cu.import("resource://gre/modules/Promise.jsm");
-Cu.import("resource://gre/modules/Task.jsm");
-Cu.import("resource://services-common/utils.js");
-Cu.import("resource://gre/modules/Http.jsm");
-
-// The maximum amount of net data allowed per request on Bing's API.
-const MAX_REQUEST_DATA = 5000; // Documentation says 10000 but anywhere
-                               // close to that is refused by the service.
-
-// The maximum number of chunks allowed to be translated in a single
-// request.
-const MAX_REQUEST_CHUNKS = 1000; // Documentation says 2000.
-
-// Self-imposed limit of 15 requests. This means that a page that would need
-// to be broken in more than 15 requests won't be fully translated.
-// The maximum amount of data that we will translate for a single page
-// is MAX_REQUESTS * MAX_REQUEST_DATA.
-const MAX_REQUESTS = 15;
-
-/**
- * Translates a webpage using Bing's Translation API.
- *
- * @param translationDocument  The TranslationDocument object that represents
- *                             the webpage to be translated
- * @param sourceLanguage       The source language of the document
- * @param targetLanguage       The target language for the translation
- *
- * @returns {Promise}          A promise that will resolve when the translation
- *                             task is finished.
- */
-this.BingTranslator = function(translationDocument, sourceLanguage, targetLanguage) {
-  this.translationDocument = translationDocument;
-  this.sourceLanguage = sourceLanguage;
-  this.targetLanguage = targetLanguage;
-  this._pendingRequests = 0;
-  this._partialSuccess = false;
-  this._serviceUnavailable = false;
-  this._translatedCharacterCount = 0;
-};
-
-this.BingTranslator.prototype = {
-  /**
-   * Performs the translation, splitting the document into several chunks
-   * respecting the data limits of the API.
-   *
-   * @returns {Promise}          A promise that will resolve when the translation
-   *                             task is finished.
-   */
-  translate: function() {
-    return Task.spawn(function *() {
-      let currentIndex = 0;
-      this._onFinishedDeferred = Promise.defer();
-
-      // Let's split the document into various requests to be sent to
-      // Bing's Translation API.
-      for (let requestCount = 0; requestCount < MAX_REQUESTS; requestCount++) {
-        // Generating the text for each request can be expensive, so
-        // let's take the opportunity of the chunkification process to
-        // allow for the event loop to attend other pending events
-        // before we continue.
-        yield CommonUtils.laterTickResolvingPromise();
-
-        // Determine the data for the next request.
-        let request = this._generateNextTranslationRequest(currentIndex);
-
-        // Create a real request to the server, and put it on the
-        // pending requests list.
-        let bingRequest = new BingRequest(request.data,
-                                          this.sourceLanguage,
-                                          this.targetLanguage);
-        this._pendingRequests++;
-        bingRequest.fireRequest().then(this._chunkCompleted.bind(this),
-                                       this._chunkFailed.bind(this));
-
-        currentIndex = request.lastIndex;
-        if (request.finished) {
-          break;
-        }
-      }
-
-      return this._onFinishedDeferred.promise;
-    }.bind(this));
-  },
-
-  /**
-   * Resets the expiration time of the current token, in order to
-   * force the token manager to ask for a new token during the next request.
-   */
-  _resetToken : function() {
-    // Force the token manager to get update token
-    BingTokenManager._currentExpiryTime = 0;
-  },
-
-  /**
-   * Function called when a request sent to the server completed successfully.
-   * This function handles calling the function to parse the result and the
-   * function to resolve the promise returned by the public `translate()`
-   * method when there's no pending request left.
-   *
-   * @param   request   The BingRequest sent to the server.
-   */
-  _chunkCompleted: function(bingRequest) {
-    if (this._parseChunkResult(bingRequest)) {
-      this._partialSuccess = true;
-      // Count the number of characters successfully translated.
-      this._translatedCharacterCount += bingRequest.characterCount;
-    }
-
-    this._checkIfFinished();
-  },
-
-  /**
-   * Function called when a request sent to the server has failed.
-   * This function handles deciding if the error is transient or means the
-   * service is unavailable (zero balance on the key or request credentials are
-   * not in an active state) and calling the function to resolve the promise
-   * returned by the public `translate()` method when there's no pending.
-   * request left.
-   *
-   * @param   aError   [optional] The XHR object of the request that failed.
-   */
-  _chunkFailed: function(aError) {
-    if (aError instanceof Ci.nsIXMLHttpRequest &&
-        [400, 401].indexOf(aError.status) != -1) {
-      let body = aError.responseText;
-      if (body && body.includes("TranslateApiException") &&
-          (body.includes("balance") || body.includes("active state")))
-        this._serviceUnavailable = true;
-    }
-
-    this._checkIfFinished();
-  },
-
-  /**
-   * Function called when a request sent to the server has completed.
-   * This function handles resolving the promise
-   * returned by the public `translate()` method when all chunks are completed.
-   */
-  _checkIfFinished: function() {
-    // Check if all pending requests have been
-    // completed and then resolves the promise.
-    // If at least one chunk was successful, the
-    // promise will be resolved positively which will
-    // display the "Success" state for the infobar. Otherwise,
-    // the "Error" state will appear.
-    if (--this._pendingRequests == 0) {
-      if (this._partialSuccess) {
-        this._onFinishedDeferred.resolve({
-          characterCount: this._translatedCharacterCount
-        });
-      } else {
-        let error = this._serviceUnavailable ? "unavailable" : "failure";
-        this._onFinishedDeferred.reject(error);
-      }
-    }
-  },
-
-  /**
-   * This function parses the result returned by Bing's Http.svc API,
-   * which is a XML file that contains a number of elements. To our
-   * particular interest, the only part of the response that matters
-   * are the <TranslatedText> nodes, which contains the resulting
-   * items that were sent to be translated.
-   *
-   * @param   request      The request sent to the server.
-   * @returns boolean      True if parsing of this chunk was successful.
-   */
-  _parseChunkResult: function(bingRequest) {
-    let results;
-    try {
-      let doc = bingRequest.networkRequest.responseXML;
-      results = doc.querySelectorAll("TranslatedText");
-    } catch (e) {
-      return false;
-    }
-
-    let len = results.length;
-    if (len != bingRequest.translationData.length) {
-      // This should never happen, but if the service returns a different number
-      // of items (from the number of items submitted), we can't use this chunk
-      // because all items would be paired incorrectly.
-      return false;
-    }
-
-    let error = false;
-    for (let i = 0; i < len; i++) {
-      try {
-        let result = results[i].firstChild.nodeValue;
-        let root = bingRequest.translationData[i][0];
-
-        if (root.isSimpleRoot) {
-          // Workaround for Bing's service problem in which "&" chars in
-          // plain-text TranslationItems are double-escaped.
-          result = result.replace(/&amp;/g, "&");
-        }
-
-        root.parseResult(result);
-      } catch (e) { error = true; }
-    }
-
-    return !error;
-  },
-
-  /**
-   * This function will determine what is the data to be used for
-   * the Nth request we are generating, based on the input params.
-   *
-   * @param startIndex What is the index, in the roots list, that the
-   *                   chunk should start.
-   */
-  _generateNextTranslationRequest: function(startIndex) {
-    let currentDataSize = 0;
-    let currentChunks = 0;
-    let output = [];
-    let rootsList = this.translationDocument.roots;
-
-    for (let i = startIndex; i < rootsList.length; i++) {
-      let root = rootsList[i];
-      let text = this.translationDocument.generateTextForItem(root);
-      if (!text) {
-        continue;
-      }
-
-      text = escapeXML(text);
-      let newCurSize = currentDataSize + text.length;
-      let newChunks = currentChunks + 1;
-
-      if (newCurSize > MAX_REQUEST_DATA ||
-          newChunks > MAX_REQUEST_CHUNKS) {
-
-        // If we've reached the API limits, let's stop accumulating data
-        // for this request and return. We return information useful for
-        // the caller to pass back on the next call, so that the function
-        // can keep working from where it stopped.
-        return {
-          data: output,
-          finished: false,
-          lastIndex: i
-        };
-      }
-
-      currentDataSize = newCurSize;
-      currentChunks = newChunks;
-      output.push([root, text]);
-    }
-
-    return {
-      data: output,
-      finished: true,
-      lastIndex: 0
-    };
-  }
-};
-
-/**
- * Represents a request (for 1 chunk) sent off to Bing's service.
- *
- * @params translationData  The data to be used for this translation,
- *                          generated by the generateNextTranslationRequest...
- *                          function.
- * @param sourceLanguage    The source language of the document.
- * @param targetLanguage    The target language for the translation.
- *
- */
-function BingRequest(translationData, sourceLanguage, targetLanguage) {
-  this.translationData = translationData;
-  this.sourceLanguage = sourceLanguage;
-  this.targetLanguage = targetLanguage;
-  this.characterCount = 0;
-}
-
-BingRequest.prototype = {
-  /**
-   * Initiates the request
-   */
-  fireRequest: function() {
-    return Task.spawn(function *() {
-      // Prepare authentication.
-      let token = yield BingTokenManager.getToken();
-      let auth = "Bearer " + token;
-
-      // Prepare URL.
-      let url = getUrlParam("https://api.microsofttranslator.com/v2/Http.svc/TranslateArray",
-                            "browser.translation.bing.translateArrayURL");
-
-      // Prepare request headers.
-      let headers = [["Content-type", "text/xml"], ["Authorization", auth]];
-
-      // Prepare the request body.
-      let requestString =
-        '<TranslateArrayRequest>' +
-          '<AppId/>' +
-          '<From>' + this.sourceLanguage + '</From>' +
-          '<Options>' +
-            '<ContentType xmlns="http://schemas.datacontract.org/2004/07/Microsoft.MT.Web.Service.V2">text/html</ContentType>' +
-            '<ReservedFlags xmlns="http://schemas.datacontract.org/2004/07/Microsoft.MT.Web.Service.V2" />' +
-          '</Options>' +
-          '<Texts xmlns:s="http://schemas.microsoft.com/2003/10/Serialization/Arrays">';
-
-      for (let [, text] of this.translationData) {
-        requestString += '<s:string>' + text + '</s:string>';
-        this.characterCount += text.length;
-      }
-
-      requestString += '</Texts>' +
-          '<To>' + this.targetLanguage + '</To>' +
-        '</TranslateArrayRequest>';
-
-      // Set up request options.
-      let deferred = Promise.defer();
-      let options = {
-        onLoad: (function(responseText, xhr) {
-          deferred.resolve(this);
-        }).bind(this),
-        onError: function(e, responseText, xhr) {
-          deferred.reject(xhr);
-        },
-        postData: requestString,
-        headers: headers
-      };
-
-      // Fire the request.
-      let request = httpRequest(url, options);
-
-      // Override the response MIME type.
-      request.overrideMimeType("text/xml");
-      this.networkRequest = request;
-      return deferred.promise;
-    }.bind(this));
-  }
-};
-
-/**
- * Authentication Token manager for the API
- */
-var BingTokenManager = {
-  _currentToken: null,
-  _currentExpiryTime: 0,
-  _pendingRequest: null,
-
-  /**
-   * Get a valid, non-expired token to be used for the API calls.
-   *
-   * @returns {Promise}  A promise that resolves with the token
-   *                     string once it is obtained. The token returned
-   *                     can be the same one used in the past if it is still
-   *                     valid.
-   */
-  getToken: function() {
-    if (this._pendingRequest) {
-      return this._pendingRequest;
-    }
-
-    let remainingMs = this._currentExpiryTime - new Date();
-    // Our existing token is still good for more than a minute, let's use it.
-    if (remainingMs > 60 * 1000) {
-      return Promise.resolve(this._currentToken);
-    }
-
-    return this._getNewToken();
-  },
-
-  /**
-   * Generates a new token from the server.
-   *
-   * @returns {Promise}  A promise that resolves with the token
-   *                     string once it is obtained.
-   */
-  _getNewToken: function() {
-    let url = getUrlParam("https://datamarket.accesscontrol.windows.net/v2/OAuth2-13",
-                          "browser.translation.bing.authURL");
-    let params = [
-      ["grant_type", "client_credentials"],
-      ["scope", "http://api.microsofttranslator.com"],
-      ["client_id",
-      getUrlParam("%BING_API_CLIENTID%", "browser.translation.bing.clientIdOverride")],
-      ["client_secret",
-      getUrlParam("%BING_API_KEY%", "browser.translation.bing.apiKeyOverride")]
-    ];
-
-    let deferred = Promise.defer();
-    let options = {
-      onLoad: function(responseText, xhr) {
-        BingTokenManager._pendingRequest = null;
-        try {
-          let json = JSON.parse(responseText);
-
-          if (json.error) {
-            deferred.reject(json.error);
-            return;
-          }
-
-          let token = json.access_token;
-          let expires_in = json.expires_in;
-          BingTokenManager._currentToken = token;
-          BingTokenManager._currentExpiryTime = new Date(Date.now() + expires_in * 1000);
-          deferred.resolve(token);
-        } catch (e) {
-          deferred.reject(e);
-        }
-      },
-      onError: function(e, responseText, xhr) {
-        BingTokenManager._pendingRequest = null;
-        deferred.reject(e);
-      },
-      postData: params
-    };
-
-    this._pendingRequest = deferred.promise;
-    httpRequest(url, options);
-
-    return deferred.promise;
-  }
-};
-
-/**
- * Escape a string to be valid XML content.
- */
-function escapeXML(aStr) {
-  return aStr.toString()
-             .replace(/&/g, "&amp;")
-             .replace(/\"/g, "&quot;")
-             .replace(/\'/g, "&apos;")
-             .replace(/</g, "&lt;")
-             .replace(/>/g, "&gt;");
-}
-
-/**
- * Fetch an auth token (clientID or client secret), which may be overridden by
- * a pref if it's set.
- */
-function getUrlParam(paramValue, prefName) {
-  if (Services.prefs.getPrefType(prefName))
-    paramValue = Services.prefs.getCharPref(prefName);
-  paramValue = Services.urlFormatter.formatURL(paramValue);
-  return paramValue;
-}
diff --git a/application/basilisk/components/translation/Translation.jsm b/application/basilisk/components/translation/Translation.jsm
deleted file mode 100644
index 15a847c13..000000000
--- a/application/basilisk/components/translation/Translation.jsm
+++ /dev/null
@@ -1,446 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-"use strict";
-
-this.EXPORTED_SYMBOLS = [
-  "Translation",
-  "TranslationTelemetry",
-];
-
-const {classes: Cc, interfaces: Ci, utils: Cu} = Components;
-
-const TRANSLATION_PREF_SHOWUI = "browser.translation.ui.show";
-const TRANSLATION_PREF_DETECT_LANG = "browser.translation.detectLanguage";
-
-Cu.import("resource://gre/modules/Services.jsm");
-Cu.import("resource://gre/modules/Promise.jsm");
-Cu.import("resource://gre/modules/Task.jsm", this);
-
-this.Translation = {
-  STATE_OFFER: 0,
-  STATE_TRANSLATING: 1,
-  STATE_TRANSLATED: 2,
-  STATE_ERROR: 3,
-  STATE_UNAVAILABLE: 4,
-
-  serviceUnavailable: false,
-
-  supportedSourceLanguages: ["bg", "cs", "de", "en", "es", "fr", "ja", "ko", "nl", "no", "pl", "pt", "ru", "tr", "vi", "zh"],
-  supportedTargetLanguages: ["bg", "cs", "de", "en", "es", "fr", "ja", "ko", "nl", "no", "pl", "pt", "ru", "tr", "vi", "zh"],
-
-  _defaultTargetLanguage: "",
-  get defaultTargetLanguage() {
-    if (!this._defaultTargetLanguage) {
-      this._defaultTargetLanguage = Cc["@mozilla.org/chrome/chrome-registry;1"]
-                                      .getService(Ci.nsIXULChromeRegistry)
-                                      .getSelectedLocale("global")
-                                      .split("-")[0];
-    }
-    return this._defaultTargetLanguage;
-  },
-
-  documentStateReceived: function(aBrowser, aData) {
-    if (aData.state == this.STATE_OFFER) {
-      if (aData.detectedLanguage == this.defaultTargetLanguage) {
-        // Detected language is the same as the user's locale.
-        return;
-      }
-
-      if (this.supportedSourceLanguages.indexOf(aData.detectedLanguage) == -1) {
-        // Detected language is not part of the supported languages.
-        TranslationTelemetry.recordMissedTranslationOpportunity(aData.detectedLanguage);
-        return;
-      }
-
-      TranslationTelemetry.recordTranslationOpportunity(aData.detectedLanguage);
-    }
-
-    if (!Services.prefs.getBoolPref(TRANSLATION_PREF_SHOWUI))
-      return;
-
-    if (!aBrowser.translationUI)
-      aBrowser.translationUI = new TranslationUI(aBrowser);
-    let trUI = aBrowser.translationUI;
-
-    // Set all values before showing a new translation infobar.
-    trUI._state = Translation.serviceUnavailable ? Translation.STATE_UNAVAILABLE
-                                                 : aData.state;
-    trUI.detectedLanguage = aData.detectedLanguage;
-    trUI.translatedFrom = aData.translatedFrom;
-    trUI.translatedTo = aData.translatedTo;
-    trUI.originalShown = aData.originalShown;
-
-    trUI.showURLBarIcon();
-
-    if (trUI.shouldShowInfoBar(aBrowser.currentURI))
-      trUI.showTranslationInfoBar();
-  },
-
-  openProviderAttribution: function() {
-    let attribution = this.supportedEngines[this.translationEngine];
-    Cu.import("resource:///modules/RecentWindow.jsm");
-    RecentWindow.getMostRecentBrowserWindow().openUILinkIn(attribution, "tab");
-  },
-
-  /**
-   * The list of translation engines and their attributions.
-   */
-  supportedEngines: {
-    "bing"    : "http://aka.ms/MicrosoftTranslatorAttribution",
-    "yandex"  : "http://translate.yandex.com/"
-  },
-
-  /**
-   * Fallback engine (currently Bing Translator) if the preferences seem
-   * confusing.
-   */
-  get defaultEngine() {
-    return this.supportedEngines.keys[0];
-  },
-
-  /**
-   * Returns the name of the preferred translation engine.
-   */
-  get translationEngine() {
-    let engine = Services.prefs.getCharPref("browser.translation.engine");
-    return Object.keys(this.supportedEngines).indexOf(engine) == -1 ? this.defaultEngine : engine;
-  },
-};
-
-/* TranslationUI objects keep the information related to translation for
- * a specific browser.  This object is passed to the translation
- * infobar so that it can initialize itself.  The properties exposed to
- * the infobar are:
- * - detectedLanguage, code of the language detected on the web page.
- * - state, the state in which the infobar should be displayed
- * - translatedFrom, if already translated, source language code.
- * - translatedTo, if already translated, target language code.
- * - translate, method starting the translation of the current page.
- * - showOriginalContent, method showing the original page content.
- * - showTranslatedContent, method showing the translation for an
- *   already translated page whose original content is shown.
- * - originalShown, boolean indicating if the original or translated
- *   version of the page is shown.
- */
-function TranslationUI(aBrowser) {
-  this.browser = aBrowser;
-}
-
-TranslationUI.prototype = {
-  get browser() {
-    return this._browser;
-  },
-  set browser(aBrowser) {
-    if (this._browser)
-      this._browser.messageManager.removeMessageListener("Translation:Finished", this);
-    aBrowser.messageManager.addMessageListener("Translation:Finished", this);
-    this._browser = aBrowser;
-  },
-  translate: function(aFrom, aTo) {
-    if (aFrom == aTo ||
-        (this.state == Translation.STATE_TRANSLATED &&
-         this.translatedFrom == aFrom && this.translatedTo == aTo)) {
-      // Nothing to do.
-      return;
-    }
-
-    if (this.state == Translation.STATE_OFFER) {
-      if (this.detectedLanguage != aFrom)
-        TranslationTelemetry.recordDetectedLanguageChange(true);
-    } else {
-      if (this.translatedFrom != aFrom)
-        TranslationTelemetry.recordDetectedLanguageChange(false);
-      if (this.translatedTo != aTo)
-        TranslationTelemetry.recordTargetLanguageChange();
-    }
-
-    this.state = Translation.STATE_TRANSLATING;
-    this.translatedFrom = aFrom;
-    this.translatedTo = aTo;
-
-    this.browser.messageManager.sendAsyncMessage(
-      "Translation:TranslateDocument",
-      { from: aFrom, to: aTo }
-    );
-  },
-
-  showURLBarIcon: function() {
-    let chromeWin = this.browser.ownerGlobal;
-    let PopupNotifications = chromeWin.PopupNotifications;
-    let removeId = this.originalShown ? "translated" : "translate";
-    let notification =
-      PopupNotifications.getNotification(removeId, this.browser);
-    if (notification)
-      PopupNotifications.remove(notification);
-
-    let callback = (aTopic, aNewBrowser) => {
-      if (aTopic == "swapping") {
-        let infoBarVisible =
-          this.notificationBox.getNotificationWithValue("translation");
-        aNewBrowser.translationUI = this;
-        this.browser = aNewBrowser;
-        if (infoBarVisible)
-          this.showTranslationInfoBar();
-        return true;
-      }
-
-      if (aTopic != "showing")
-        return false;
-      let notification = this.notificationBox.getNotificationWithValue("translation");
-      if (notification)
-        notification.close();
-      else
-        this.showTranslationInfoBar();
-      return true;
-    };
-
-    let addId = this.originalShown ? "translate" : "translated";
-    PopupNotifications.show(this.browser, addId, null,
-                            addId + "-notification-icon", null, null,
-                            {dismissed: true, eventCallback: callback});
-  },
-
-  _state: 0,
-  get state() {
-    return this._state;
-  },
-  set state(val) {
-    let notif = this.notificationBox.getNotificationWithValue("translation");
-    if (notif)
-      notif.state = val;
-    this._state = val;
-  },
-
-  originalShown: true,
-  showOriginalContent: function() {
-    this.originalShown = true;
-    this.showURLBarIcon();
-    this.browser.messageManager.sendAsyncMessage("Translation:ShowOriginal");
-    TranslationTelemetry.recordShowOriginalContent();
-  },
-
-  showTranslatedContent: function() {
-    this.originalShown = false;
-    this.showURLBarIcon();
-    this.browser.messageManager.sendAsyncMessage("Translation:ShowTranslation");
-  },
-
-  get notificationBox() {
-    return this.browser.ownerGlobal.gBrowser.getNotificationBox(this.browser);
-  },
-
-  showTranslationInfoBar: function() {
-    let notificationBox = this.notificationBox;
-    let notif = notificationBox.appendNotification("", "translation", null,
-                                                   notificationBox.PRIORITY_INFO_HIGH);
-    notif.init(this);
-    return notif;
-  },
-
-  shouldShowInfoBar: function(aURI) {
-    // Never show the infobar automatically while the translation
-    // service is temporarily unavailable.
-    if (Translation.serviceUnavailable)
-      return false;
-
-    // Check if we should never show the infobar for this language.
-    let neverForLangs =
-      Services.prefs.getCharPref("browser.translation.neverForLanguages");
-    if (neverForLangs.split(",").indexOf(this.detectedLanguage) != -1) {
-      TranslationTelemetry.recordAutoRejectedTranslationOffer();
-      return false;
-    }
-
-    // or if we should never show the infobar for this domain.
-    let perms = Services.perms;
-    if (perms.testExactPermission(aURI, "translate") ==  perms.DENY_ACTION) {
-      TranslationTelemetry.recordAutoRejectedTranslationOffer();
-      return false;
-    }
-
-    return true;
-  },
-
-  receiveMessage: function(msg) {
-    switch (msg.name) {
-      case "Translation:Finished":
-        if (msg.data.success) {
-          this.originalShown = false;
-          this.state = Translation.STATE_TRANSLATED;
-          this.showURLBarIcon();
-
-          // Record the number of characters translated.
-          TranslationTelemetry.recordTranslation(msg.data.from, msg.data.to,
-                                                    msg.data.characterCount);
-        } else if (msg.data.unavailable) {
-          Translation.serviceUnavailable = true;
-          this.state = Translation.STATE_UNAVAILABLE;
-        } else {
-          this.state = Translation.STATE_ERROR;
-        }
-        break;
-    }
-  },
-
-  infobarClosed: function() {
-    if (this.state == Translation.STATE_OFFER)
-      TranslationTelemetry.recordDeniedTranslationOffer();
-  }
-};
-
-/**
- * Uses telemetry histograms for collecting statistics on the usage of the
- * translation component.
- *
- * NOTE: Metrics are only recorded if the user enabled the telemetry option.
- */
-this.TranslationTelemetry = {
-
-  init: function () {
-    // Constructing histograms.
-    const plain = (id) => Services.telemetry.getHistogramById(id);
-    const keyed = (id) => Services.telemetry.getKeyedHistogramById(id);
-    this.HISTOGRAMS = {
-      OPPORTUNITIES         : () => plain("TRANSLATION_OPPORTUNITIES"),
-      OPPORTUNITIES_BY_LANG : () => keyed("TRANSLATION_OPPORTUNITIES_BY_LANGUAGE"),
-      PAGES                 : () => plain("TRANSLATED_PAGES"),
-      PAGES_BY_LANG         : () => keyed("TRANSLATED_PAGES_BY_LANGUAGE"),
-      CHARACTERS            : () => plain("TRANSLATED_CHARACTERS"),
-      DENIED                : () => plain("DENIED_TRANSLATION_OFFERS"),
-      AUTO_REJECTED         : () => plain("AUTO_REJECTED_TRANSLATION_OFFERS"),
-      SHOW_ORIGINAL         : () => plain("REQUESTS_OF_ORIGINAL_CONTENT"),
-      TARGET_CHANGES        : () => plain("CHANGES_OF_TARGET_LANGUAGE"),
-      DETECTION_CHANGES     : () => plain("CHANGES_OF_DETECTED_LANGUAGE"),
-      SHOW_UI               : () => plain("SHOULD_TRANSLATION_UI_APPEAR"),
-      DETECT_LANG           : () => plain("SHOULD_AUTO_DETECT_LANGUAGE"),
-    };
-
-    // Capturing the values of flags at the startup.
-    this.recordPreferences();
-  },
-
-  /**
-   * Record a translation opportunity in the health report.
-   * @param language
-   *        The language of the page.
-   */
-  recordTranslationOpportunity: function (language) {
-    return this._recordOpportunity(language, true);
-  },
-
-  /**
-   * Record a missed translation opportunity in the health report.
-   * A missed opportunity is when the language detected is not part
-   * of the supported languages.
-   * @param language
-   *        The language of the page.
-   */
-  recordMissedTranslationOpportunity: function (language) {
-    return this._recordOpportunity(language, false);
-  },
-
-  /**
-   * Record an automatically rejected translation offer in the health
-   * report. A translation offer is automatically rejected when a user
-   * has previously clicked "Never translate this language" or "Never
-   * translate this site", which results in the infobar not being shown for
-   * the translation opportunity.
-   *
-   * These translation opportunities should still be recorded in addition to
-   * recording the automatic rejection of the offer.
-   */
-  recordAutoRejectedTranslationOffer: function () {
-    if (!this._canRecord) return;
-    this.HISTOGRAMS.AUTO_REJECTED().add();
-  },
-
-   /**
-   * Record a translation in the health report.
-   * @param langFrom
-   *        The language of the page.
-   * @param langTo
-   *        The language translated to
-   * @param numCharacters
-   *        The number of characters that were translated
-   */
-  recordTranslation: function (langFrom, langTo, numCharacters) {
-    if (!this._canRecord) return;
-    this.HISTOGRAMS.PAGES().add();
-    this.HISTOGRAMS.PAGES_BY_LANG().add(langFrom + " -> " + langTo);
-    this.HISTOGRAMS.CHARACTERS().add(numCharacters);
-  },
-
-  /**
-   * Record a change of the detected language in the health report. This should
-   * only be called when actually executing a translation, not every time the
-   * user changes in the language in the UI.
-   *
-   * @param beforeFirstTranslation
-   *        A boolean indicating if we are recording a change of detected
-   *        language before translating the page for the first time. If we
-   *        have already translated the page from the detected language and
-   *        the user has manually adjusted the detected language false should
-   *        be passed.
-   */
-  recordDetectedLanguageChange: function (beforeFirstTranslation) {
-    if (!this._canRecord) return;
-    this.HISTOGRAMS.DETECTION_CHANGES().add(beforeFirstTranslation);
-  },
-
-  /**
-   * Record a change of the target language in the health report. This should
-   * only be called when actually executing a translation, not every time the
-   * user changes in the language in the UI.
-   */
-  recordTargetLanguageChange: function () {
-    if (!this._canRecord) return;
-    this.HISTOGRAMS.TARGET_CHANGES().add();
-  },
-
-  /**
-   * Record a denied translation offer.
-   */
-  recordDeniedTranslationOffer: function () {
-    if (!this._canRecord) return;
-    this.HISTOGRAMS.DENIED().add();
-  },
-
-  /**
-   * Record a "Show Original" command use.
-   */
-  recordShowOriginalContent: function () {
-    if (!this._canRecord) return;
-    this.HISTOGRAMS.SHOW_ORIGINAL().add();
-  },
-
-  /**
-   * Record the state of translation preferences.
-   */
-  recordPreferences: function () {
-    if (!this._canRecord) return;
-    if (Services.prefs.getBoolPref(TRANSLATION_PREF_SHOWUI)) {
-      this.HISTOGRAMS.SHOW_UI().add(1);
-    }
-    if (Services.prefs.getBoolPref(TRANSLATION_PREF_DETECT_LANG)) {
-      this.HISTOGRAMS.DETECT_LANG().add(1);
-    }
-  },
-
-  _recordOpportunity: function(language, success) {
-    if (!this._canRecord) return;
-    this.HISTOGRAMS.OPPORTUNITIES().add(success);
-    this.HISTOGRAMS.OPPORTUNITIES_BY_LANG().add(language, success);
-  },
-
-  /**
-   * A shortcut for reading the telemetry preference.
-   *
-   */
-  _canRecord: function () {
-    return Services.prefs.getBoolPref("toolkit.telemetry.enabled");
-  }
-};
-
-this.TranslationTelemetry.init();
diff --git a/application/basilisk/components/translation/TranslationContentHandler.jsm b/application/basilisk/components/translation/TranslationContentHandler.jsm
deleted file mode 100644
index 3b0d59ddd..000000000
--- a/application/basilisk/components/translation/TranslationContentHandler.jsm
+++ /dev/null
@@ -1,181 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-"use strict";
-
-this.EXPORTED_SYMBOLS = [ "TranslationContentHandler" ];
-
-const {classes: Cc, interfaces: Ci, utils: Cu} = Components;
-
-Cu.import("resource://gre/modules/Services.jsm");
-Cu.import("resource://gre/modules/XPCOMUtils.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "LanguageDetector",
-  "resource:///modules/translation/LanguageDetector.jsm");
-
-const STATE_OFFER = 0;
-const STATE_TRANSLATED = 2;
-const STATE_ERROR = 3;
-
-this.TranslationContentHandler = function(global, docShell) {
-  let webProgress = docShell.QueryInterface(Ci.nsIInterfaceRequestor)
-                            .getInterface(Ci.nsIWebProgress);
-  webProgress.addProgressListener(this, Ci.nsIWebProgress.NOTIFY_STATE_DOCUMENT);
-
-  global.addEventListener("pageshow", this);
-
-  global.addMessageListener("Translation:TranslateDocument", this);
-  global.addMessageListener("Translation:ShowTranslation", this);
-  global.addMessageListener("Translation:ShowOriginal", this);
-  this.global = global;
-}
-
-TranslationContentHandler.prototype = {
-  handleEvent: function(aEvent) {
-    // We are only listening to pageshow events.
-    let target = aEvent.target;
-
-    // Only handle top-level frames.
-    let win = target.defaultView;
-    if (win.parent !== win)
-      return;
-
-    let content = this.global.content;
-    if (!content.detectedLanguage)
-      return;
-
-    let data = {};
-    let trDoc = content.translationDocument;
-    if (trDoc) {
-      data.state = trDoc.translationError ? STATE_ERROR : STATE_TRANSLATED;
-      data.translatedFrom = trDoc.translatedFrom;
-      data.translatedTo = trDoc.translatedTo;
-      data.originalShown = trDoc.originalShown;
-    } else {
-      data.state = STATE_OFFER;
-      data.originalShown = true;
-    }
-    data.detectedLanguage = content.detectedLanguage;
-
-    this.global.sendAsyncMessage("Translation:DocumentState", data);
-  },
-
-  /* nsIWebProgressListener implementation */
-  onStateChange: function(aWebProgress, aRequest, aStateFlags, aStatus) {
-    if (!aWebProgress.isTopLevel ||
-        !(aStateFlags & Ci.nsIWebProgressListener.STATE_STOP) ||
-        !this.global.content)
-      return;
-
-    let url = aRequest.name;
-    if (!url.startsWith("http://") && !url.startsWith("https://"))
-      return;
-
-    let content = this.global.content;
-    if (content.detectedLanguage)
-      return;
-
-    // Grab a 60k sample of text from the page.
-    let encoder = Cc["@mozilla.org/layout/documentEncoder;1?type=text/plain"]
-                    .createInstance(Ci.nsIDocumentEncoder);
-    encoder.init(content.document, "text/plain", encoder.SkipInvisibleContent);
-    let string = encoder.encodeToStringWithMaxLength(60 * 1024);
-
-    // Language detection isn't reliable on very short strings.
-    if (string.length < 100)
-      return;
-
-    LanguageDetector.detectLanguage(string).then(result => {
-      // Bail if we're not confident.
-      if (!result.confident) {
-        return;
-      }
-
-      // The window might be gone by now.
-      if (Cu.isDeadWrapper(content)) {
-        return;
-      }
-
-      content.detectedLanguage = result.language;
-
-      let data = {
-        state: STATE_OFFER,
-        originalShown: true,
-        detectedLanguage: result.language
-      };
-      this.global.sendAsyncMessage("Translation:DocumentState", data);
-    });
-  },
-
-  // Unused methods.
-  onProgressChange: function() {},
-  onLocationChange: function() {},
-  onStatusChange:   function() {},
-  onSecurityChange: function() {},
-
-  QueryInterface: XPCOMUtils.generateQI([Ci.nsIWebProgressListener,
-                                         Ci.nsISupportsWeakReference]),
-
-  receiveMessage: function(msg) {
-    switch (msg.name) {
-      case "Translation:TranslateDocument":
-      {
-        Cu.import("resource:///modules/translation/TranslationDocument.jsm");
-
-        // If a TranslationDocument already exists for this document, it should
-        // be used instead of creating a new one so that we can use the original
-        // content of the page for the new translation instead of the newly
-        // translated text.
-        let translationDocument = this.global.content.translationDocument ||
-                                  new TranslationDocument(this.global.content.document);
-
-        let preferredEngine = Services.prefs.getCharPref("browser.translation.engine");
-        let translator = null;
-        if (preferredEngine == "yandex") {
-          Cu.import("resource:///modules/translation/YandexTranslator.jsm");
-          translator = new YandexTranslator(translationDocument,
-                                            msg.data.from,
-                                            msg.data.to);
-        } else {
-          Cu.import("resource:///modules/translation/BingTranslator.jsm");
-          translator = new BingTranslator(translationDocument,
-                                          msg.data.from,
-                                          msg.data.to);
-        }
-
-        this.global.content.translationDocument = translationDocument;
-        translationDocument.translatedFrom = msg.data.from;
-        translationDocument.translatedTo = msg.data.to;
-        translationDocument.translationError = false;
-
-        translator.translate().then(
-          result => {
-            this.global.sendAsyncMessage("Translation:Finished", {
-              characterCount: result.characterCount,
-              from: msg.data.from,
-              to: msg.data.to,
-              success: true
-            });
-            translationDocument.showTranslation();
-          },
-          error => {
-            translationDocument.translationError = true;
-            let data = {success: false};
-            if (error == "unavailable")
-              data.unavailable = true;
-            this.global.sendAsyncMessage("Translation:Finished", data);
-          }
-        );
-        break;
-      }
-
-      case "Translation:ShowOriginal":
-        this.global.content.translationDocument.showOriginal();
-        break;
-
-      case "Translation:ShowTranslation":
-        this.global.content.translationDocument.showTranslation();
-        break;
-    }
-  }
-};
diff --git a/application/basilisk/components/translation/TranslationDocument.jsm b/application/basilisk/components/translation/TranslationDocument.jsm
deleted file mode 100644
index 058d07a49..000000000
--- a/application/basilisk/components/translation/TranslationDocument.jsm
+++ /dev/null
@@ -1,683 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-"use strict";
-
-const {classes: Cc, interfaces: Ci, utils: Cu} = Components;
-
-this.EXPORTED_SYMBOLS = [ "TranslationDocument" ];
-
-const SHOW_ELEMENT = Ci.nsIDOMNodeFilter.SHOW_ELEMENT;
-const SHOW_TEXT = Ci.nsIDOMNodeFilter.SHOW_TEXT;
-const TEXT_NODE = Ci.nsIDOMNode.TEXT_NODE;
-
-Cu.import("resource://services-common/utils.js");
-Cu.import("resource://gre/modules/Task.jsm");
-
-/**
- * This class represents a document that is being translated,
- * and it is responsible for parsing the document,
- * generating the data structures translation (the list of
- * translation items and roots), and managing the original
- * and translated texts on the translation items.
- *
- * @param document  The document to be translated
- */
-this.TranslationDocument = function(document) {
-  this.itemsMap = new Map();
-  this.roots = [];
-  this._init(document);
-};
-
-this.TranslationDocument.prototype = {
-  translatedFrom: "",
-  translatedTo: "",
-  translationError: false,
-  originalShown: true,
-
-  /**
-   * Initializes the object and populates
-   * the roots lists.
-   *
-   * @param document  The document to be translated
-   */
-  _init: function(document) {
-    let window = document.defaultView;
-    let winUtils = window.QueryInterface(Ci.nsIInterfaceRequestor)
-                         .getInterface(Ci.nsIDOMWindowUtils);
-
-    // Get all the translation nodes in the document's body:
-    // a translation node is a node from the document which
-    // contains useful content for translation, and therefore
-    // must be included in the translation process.
-    let nodeList = winUtils.getTranslationNodes(document.body);
-
-    let length = nodeList.length;
-
-    for (let i = 0; i < length; i++) {
-      let node = nodeList.item(i);
-      let isRoot = nodeList.isTranslationRootAtIndex(i);
-
-      // Create a TranslationItem object for this node.
-      // This function will also add it to the this.roots array.
-      this._createItemForNode(node, i, isRoot);
-    }
-
-    // At first all roots are stored in the roots list, and only after
-    // the process has finished we're able to determine which roots are
-    // simple, and which ones are not.
-
-    // A simple root is defined by a root with no children items, which
-    // basically represents an element from a page with only text content
-    // inside.
-
-    // This distinction is useful for optimization purposes: we treat a
-    // simple root as plain-text in the translation process and with that
-    // we are able to reduce their data payload sent to the translation service.
-
-    for (let root of this.roots) {
-      if (root.children.length == 0 &&
-          root.nodeRef.childElementCount == 0) {
-        root.isSimpleRoot = true;
-      }
-    }
-  },
-
-  /**
-   * Creates a TranslationItem object, which should be called
-   * for each node returned by getTranslationNodes.
-   *
-   * @param node        The DOM node for this item.
-   * @param id          A unique, numeric id for this item.
-   * @parem isRoot      A boolean saying whether this item is a root.
-   *
-   * @returns           A TranslationItem object.
-   */
-  _createItemForNode: function(node, id, isRoot) {
-    if (this.itemsMap.has(node)) {
-      return this.itemsMap.get(node);
-    }
-
-    let item = new TranslationItem(node, id, isRoot);
-
-    if (isRoot) {
-      // Root items do not have a parent item.
-      this.roots.push(item);
-    } else {
-      let parentItem = this.itemsMap.get(node.parentNode);
-      if (parentItem) {
-        parentItem.children.push(item);
-      }
-    }
-
-    this.itemsMap.set(node, item);
-    return item;
-  },
-
-  /**
-   * Generate the text string that represents a TranslationItem object.
-   * Besides generating the string, it's also stored in the "original"
-   * field of the TranslationItem object, which needs to be stored for
-   * later to be used in the "Show Original" functionality.
-   * If this function had already been called for the given item (determined
-   * by the presence of the "original" array in the item), the text will
-   * be regenerated from the "original" data instead of from the related
-   * DOM nodes (because the nodes might contain translated data).
-   *
-   * @param item     A TranslationItem object
-   *
-   * @returns        A string representation of the TranslationItem.
-   */
-  generateTextForItem: function(item) {
-    if (item.original) {
-      return regenerateTextFromOriginalHelper(item);
-    }
-
-    if (item.isSimpleRoot) {
-      let text = item.nodeRef.firstChild.nodeValue.trim();
-      item.original = [text];
-      return text;
-    }
-
-    let str = "";
-    item.original = [];
-    let wasLastItemPlaceholder = false;
-
-    for (let child of item.nodeRef.childNodes) {
-      if (child.nodeType == TEXT_NODE) {
-        let x = child.nodeValue.trim();
-        if (x != "") {
-          item.original.push(x);
-          str += x;
-          wasLastItemPlaceholder = false;
-        }
-        continue;
-      }
-
-      let objInMap = this.itemsMap.get(child);
-      if (objInMap && !objInMap.isRoot) {
-        // If this childNode is present in the itemsMap, it means
-        // it's a translation node: it has useful content for translation.
-        // In this case, we need to stringify this node.
-        // However, if this item is a root, we should skip it here in this
-        // object's child list (and just add a placeholder for it), because
-        // it will be stringfied separately for being a root.
-        item.original.push(objInMap);
-        str += this.generateTextForItem(objInMap);
-        wasLastItemPlaceholder = false;
-      } else if (!wasLastItemPlaceholder) {
-        // Otherwise, if this node doesn't contain any useful content,
-        // or if it is a root itself, we can replace it with a placeholder node.
-        // We can't simply eliminate this node from our string representation
-        // because that could change the HTML structure (e.g., it would
-        // probably merge two separate text nodes).
-        // It's not necessary to add more than one placeholder in sequence;
-        // we can optimize them away.
-        item.original.push(TranslationItem_NodePlaceholder);
-        str += '<br>';
-        wasLastItemPlaceholder = true;
-      }
-    }
-
-    return generateTranslationHtmlForItem(item, str);
-  },
-
-  /**
-   * Changes the document to display its translated
-   * content.
-   */
-  showTranslation: function() {
-    this.originalShown = false;
-    this._swapDocumentContent("translation");
-  },
-
-  /**
-   * Changes the document to display its original
-   * content.
-   */
-  showOriginal: function() {
-    this.originalShown = true;
-    this._swapDocumentContent("original");
-  },
-
-  /**
-   * Swap the document with the resulting translation,
-   * or back with the original content.
-   *
-   * @param target   A string that is either "translation"
-   *                 or "original".
-   */
-  _swapDocumentContent: function(target) {
-    Task.spawn(function *() {
-      // Let the event loop breath on every 100 nodes
-      // that are replaced.
-      const YIELD_INTERVAL = 100;
-      let count = YIELD_INTERVAL;
-
-      for (let root of this.roots) {
-        root.swapText(target);
-        if (count-- == 0) {
-          count = YIELD_INTERVAL;
-          yield CommonUtils.laterTickResolvingPromise();
-        }
-      }
-    }.bind(this));
-  }
-};
-
-/**
- * This class represents an item for translation. It's basically our
- * wrapper class around a node returned by getTranslationNode, with
- * more data and structural information on it.
- *
- * At the end of the translation process, besides the properties below,
- * a TranslationItem will contain two other properties: one called "original"
- * and one called "translation". They are twin objects, one which reflect
- * the structure of that node in its original state, and the other in its
- * translated state.
- *
- * The "original" array is generated in the generateTextForItem function,
- * and the "translation" array is generated when the translation results
- * are parsed.
- *
- * They are both arrays, which contain a mix of strings and references to
- * child TranslationItems. The references in both arrays point to the * same *
- * TranslationItem object, but they might appear in different orders between the
- * "original" and "translation" arrays.
- *
- * An example:
- *
- *  English: <div id="n1">Welcome to <b id="n2">Mozilla's</b> website</div>
- *  Portuguese: <div id="n1">Bem vindo a pagina <b id="n2">da Mozilla</b></div>
- *
- *  TranslationItem n1 = {
- *    id: 1,
- *    original: ["Welcome to", ptr to n2, "website"]
- *    translation: ["Bem vindo a pagina", ptr to n2]
- *  }
- *
- *  TranslationItem n2 = {
- *    id: 2,
- *    original: ["Mozilla's"],
- *    translation: ["da Mozilla"]
- *  }
- */
-function TranslationItem(node, id, isRoot) {
-  this.nodeRef = node;
-  this.id = id;
-  this.isRoot = isRoot;
-  this.children = [];
-}
-
-TranslationItem.prototype = {
-  isRoot: false,
-  isSimpleRoot: false,
-
-  toString: function() {
-    let rootType = "";
-    if (this.isRoot) {
-      if (this.isSimpleRoot) {
-        rootType = " (simple root)";
-      }
-      else {
-        rootType = " (non simple root)";
-      }
-    }
-    return "[object TranslationItem: <" + this.nodeRef.localName + ">"
-           + rootType + "]";
-  },
-
-  /**
-   * This function will parse the result of the translation of one translation
-   * item. If this item was a simple root, all we sent was a plain-text version
-   * of it, so the result is also straightforward text.
-   *
-   * For non-simple roots, we sent a simplified HTML representation of that
-   * node, and we'll first parse that into an HTML doc and then call the
-   * parseResultNode helper function to parse it.
-   *
-   * While parsing, the result is stored in the "translation" field of the
-   * TranslationItem, which will be used to display the final translation when
-   * all items are finished. It remains stored too to allow back-and-forth
-   * switching between the "Show Original" and "Show Translation" functions.
-   *
-   * @param result    A string with the textual result received from the server,
-   *                  which can be plain-text or a serialized HTML doc.
-   */
-  parseResult: function(result) {
-    if (this.isSimpleRoot) {
-      this.translation = [result];
-      return;
-    }
-
-    let domParser = Cc["@mozilla.org/xmlextras/domparser;1"]
-                      .createInstance(Ci.nsIDOMParser);
-
-    let doc = domParser.parseFromString(result, "text/html");
-    parseResultNode(this, doc.body.firstChild);
-  },
-
-  /**
-   * This function finds a child TranslationItem
-   * with the given id.
-   * @param id        The id to look for, in the format "n#"
-   * @returns         A TranslationItem with the given id, or null if
-   *                  it was not found.
-   */
-  getChildById: function(id) {
-    for (let child of this.children) {
-      if (("n" + child.id) == id) {
-        return child;
-      }
-    }
-    return null;
-  },
-
-  /**
-   * Swap the text of this TranslationItem between
-   * its original and translated states.
-   *
-   * @param target   A string that is either "translation"
-   *                 or "original".
-   */
-  swapText: function(target) {
-    swapTextForItem(this, target);
-  }
-};
-
-/**
- * This object represents a placeholder item for translation. It's similar to
- * the TranslationItem class, but it represents nodes that have no meaningful
- * content for translation. These nodes will be replaced by "<br>" in a
- * translation request. It's necessary to keep them to use it as a mark
- * for correct positioning and spliting of text nodes.
- */
-const TranslationItem_NodePlaceholder = {
-  toString: function() {
-    return "[object TranslationItem_NodePlaceholder]";
-  }
-};
-
-/**
- * Generate the outer HTML representation for a given item.
- *
- * @param   item       A TranslationItem object.
- * param    content    The inner content for this item.
- * @returns string     The outer HTML needed for translation
- *                     of this item.
- */
-function generateTranslationHtmlForItem(item, content) {
-  let localName = item.isRoot ? "div" : "b";
-  return '<' + localName + ' id=n' + item.id + '>' +
-         content +
-         "</" + localName + ">";
-}
-
- /**
- * Regenerate the text string that represents a TranslationItem object,
- * with data from its "original" array. The array must have already
- * been created by TranslationDocument.generateTextForItem().
- *
- * @param item     A TranslationItem object
- *
- * @returns        A string representation of the TranslationItem.
- */
-function regenerateTextFromOriginalHelper(item) {
-  if (item.isSimpleRoot) {
-    return item.original[0];
-  }
-
-  let str = "";
-  for (let child of item.original) {
-    if (child instanceof TranslationItem) {
-      str += regenerateTextFromOriginalHelper(child);
-    } else if (child === TranslationItem_NodePlaceholder) {
-      str += "<br>";
-    } else {
-      str += child;
-    }
-  }
-
-  return generateTranslationHtmlForItem(item, str);
-}
-
-/**
- * Helper function to parse a HTML doc result.
- * How it works:
- *
- * An example result string is:
- *
- * <div id="n1">Hello <b id="n2">World</b> of Mozilla.</div>
- *
- * For an element node, we look at its id and find the corresponding
- * TranslationItem that was associated with this node, and then we
- * walk down it repeating the process.
- *
- * For text nodes we simply add it as a string.
- */
-function parseResultNode(item, node) {
-  item.translation = [];
-  for (let child of node.childNodes) {
-    if (child.nodeType == TEXT_NODE) {
-      item.translation.push(child.nodeValue);
-    } else if (child.localName == "br") {
-      item.translation.push(TranslationItem_NodePlaceholder);
-    } else {
-      let translationItemChild = item.getChildById(child.id);
-
-      if (translationItemChild) {
-        item.translation.push(translationItemChild);
-        parseResultNode(translationItemChild, child);
-      }
-    }
-  }
-}
-
-/**
- * Helper function to swap the text of a TranslationItem
- * between its original and translated states.
- * How it works:
- *
- * The function iterates through the target array (either the `original` or
- * `translation` array from the TranslationItem), while also keeping a pointer
- * to a current position in the child nodes from the actual DOM node that we
- * are modifying. This pointer is moved forward after each item of the array
- * is translated. If, at any given time, the pointer doesn't match the expected
- * node that was supposed to be seen, it means that the original and translated
- * contents have a different ordering, and thus we need to adjust that.
- *
- * A full example of the reordering process, swapping from Original to
- * Translation:
- *
- *    Original (en): <div>I <em>miss</em> <b>you</b></div>
- *
- * Translation (fr): <div><b>Tu</b> me <em>manques</em></div>
- *
- * Step 1:
- *   pointer points to firstChild of the DOM node, textnode "I "
- *   first item in item.translation is [object TranslationItem <b>]
- *
- *   pointer does not match the expected element, <b>. So let's move <b> to the
- *   pointer position.
- *
- *   Current state of the DOM:
- *     <div><b>you</b>I <em>miss</em> </div>
- *
- * Step 2:
- *   pointer moves forward to nextSibling, textnode "I " again.
- *   second item in item.translation is the string " me "
- *
- *   pointer points to a text node, and we were expecting a text node. Match!
- *   just replace the text content.
- *
- *   Current state of the DOM:
- *     <div><b>you</b> me <em>miss</em> </div>
- *
- * Step 3:
- *   pointer moves forward to nextSibling, <em>miss</em>
- *   third item in item.translation is [object TranslationItem <em>]
- *
- *   pointer points to the expected node. Match! Nothing to do.
- *
- * Step 4:
- *   all items in this item.translation were transformed. The remaining
- *   text nodes are cleared to "", and domNode.normalize() removes them.
- *
- *   Current state of the DOM:
- *     <div><b>you</b> me <em>miss</em></div>
- *
- * Further steps:
- *   After that, the function will visit the child items (from the visitStack),
- *   and the text inside the <b> and <em> nodes will be swapped as well,
- *   yielding the final result:
- *
- *     <div><b>Tu</b> me <em>manques</em></div>
- *
- *
- * @param item     A TranslationItem object
- * @param target   A string that is either "translation"
- *                 or "original".
- */
-function swapTextForItem(item, target) {
-  // visitStack is the stack of items that we still need to visit.
-  // Let's start the process by adding the root item.
-  let visitStack = [ item ];
-
-  while (visitStack.length > 0) {
-    let curItem = visitStack.shift();
-
-    let domNode = curItem.nodeRef;
-    if (!domNode) {
-      // Skipping this item due to a missing node.
-      continue;
-    }
-
-    if (!curItem[target]) {
-      // Translation not found for this item. This could be due to
-      // an error in the server response. For example, if a translation
-      // was broken in various chunks, and one of the chunks failed,
-      // the items from that chunk will be missing its "translation"
-      // field.
-      continue;
-    }
-
-    domNode.normalize();
-
-    // curNode points to the child nodes of the DOM node that we are
-    // modifying. During most of the process, while the target array is
-    // being iterated (in the for loop below), it should walk together with
-    // the array and be pointing to the correct node that needs to modified.
-    // If it's not pointing to it, that means some sort of node reordering
-    // will be necessary to produce the correct translation.
-    // Note that text nodes don't need to be reordered, as we can just replace
-    // the content of one text node with another.
-    //
-    // curNode starts in the firstChild...
-    let curNode = domNode.firstChild;
-
-    // ... actually, let's make curNode start at the first useful node (either
-    // a non-blank text node or something else). This is not strictly necessary,
-    // as the reordering algorithm would correctly handle this case. However,
-    // this better aligns the resulting translation with the DOM content of the
-    // page, avoiding cases that would need to be unecessarily reordered.
-    //
-    // An example of how this helps:
-    //
-    // ---- Original: <div>                <b>Hello </b> world.</div>
-    //                       ^textnode 1      ^item 1      ^textnode 2
-    //
-    // - Translation: <div><b>Hallo </b> Welt.</div>
-    //
-    // Transformation process without this optimization:
-    //   1 - start pointer at textnode 1
-    //   2 - move item 1 to first position inside the <div>
-    //
-    //       Node now looks like: <div><b>Hello </b>[         ][ world.]</div>
-    //                                         textnode 1^       ^textnode 2
-    //
-    //   3 - replace textnode 1 with " Welt."
-    //   4 - clear remaining text nodes (in this case, textnode 2)
-    //
-    // Transformation process with this optimization:
-    //   1 - start pointer at item 1
-    //   2 - item 1 is already in position
-    //   3 - replace textnode 2 with " Welt."
-    //
-    // which completely avoids any node reordering, and requires only one
-    // text change instead of two (while also leaving the page closer to
-    // its original state).
-    while (curNode &&
-           curNode.nodeType == TEXT_NODE &&
-           curNode.nodeValue.trim() == "") {
-      curNode = curNode.nextSibling;
-    }
-
-    // Now let's walk through all items in the `target` array of the
-    // TranslationItem. This means either the TranslationItem.original or
-    // TranslationItem.translation array.
-    for (let targetItem of curItem[target]) {
-
-      if (targetItem instanceof TranslationItem) {
-        // If the array element is another TranslationItem object, let's
-        // add it to the stack to be visited.
-        visitStack.push(targetItem);
-
-        let targetNode = targetItem.nodeRef;
-
-            // If the node is not in the expected position, let's reorder
-            // it into position...
-        if (curNode != targetNode &&
-            // ...unless the page has reparented this node under a totally
-            // different node (or removed it). In this case, all bets are off
-            // on being able to do anything correctly, so it's better not to
-            // bring back the node to this parent.
-            targetNode.parentNode == domNode) {
-
-          // We don't need to null-check curNode because insertBefore(..., null)
-          // does what we need in that case: reorder this node to the end
-          // of child nodes.
-          domNode.insertBefore(targetNode, curNode);
-          curNode = targetNode;
-        }
-
-        // Move pointer forward. Since we do not add empty text nodes to the
-        // list of translation items, we must skip them here too while
-        // traversing the DOM in order to get better alignment between the
-        // text nodes and the translation items.
-        if (curNode) {
-          curNode = getNextSiblingSkippingEmptyTextNodes(curNode);
-        }
-
-      } else if (targetItem === TranslationItem_NodePlaceholder) {
-        // If the current item is a placeholder node, we need to move
-        // our pointer "past" it, jumping from one side of a block of
-        // elements + empty text nodes to the other side. Even if
-        // non-placeholder elements exists inside the jumped block,
-        // they will be pulled correctly later in the process when the
-        // targetItem for those nodes are handled.
-
-        while (curNode &&
-               (curNode.nodeType != TEXT_NODE ||
-                curNode.nodeValue.trim() == "")) {
-          curNode = curNode.nextSibling;
-        }
-
-      } else {
-        // Finally, if it's a text item, we just need to find the next
-        // text node to use. Text nodes don't need to be reordered, so
-        // the first one found can be used.
-        while (curNode && curNode.nodeType != TEXT_NODE) {
-          curNode = curNode.nextSibling;
-        }
-
-        // If none was found and we reached the end of the child nodes,
-        // let's create a new one.
-        if (!curNode) {
-          // We don't know if the original content had a space or not,
-          // so the best bet is to create the text node with " " which
-          // will add one space at the beginning and one at the end.
-          curNode = domNode.appendChild(domNode.ownerDocument.createTextNode(" "));
-        }
-
-        // A trailing and a leading space must be preserved because
-        // they are meaningful in HTML.
-        let preSpace = /^\s/.test(curNode.nodeValue) ? " " : "";
-        let endSpace = /\s$/.test(curNode.nodeValue) ? " " : "";
-
-        curNode.nodeValue = preSpace + targetItem + endSpace;
-        curNode = getNextSiblingSkippingEmptyTextNodes(curNode);
-      }
-    }
-
-    // The translated version of a node might have less text nodes than its
-    // original version. If that's the case, let's clear the remaining nodes.
-    if (curNode) {
-      clearRemainingNonEmptyTextNodesFromElement(curNode);
-    }
-
-    // And remove any garbage "" nodes left after clearing.
-    domNode.normalize();
-  }
-}
-
-function getNextSiblingSkippingEmptyTextNodes(startSibling) {
-  let item = startSibling.nextSibling;
-  while (item &&
-         item.nodeType == TEXT_NODE &&
-         item.nodeValue.trim() == "") {
-    item = item.nextSibling;
-  }
-  return item;
-}
-
-function clearRemainingNonEmptyTextNodesFromElement(startSibling) {
-  let item = startSibling;
-  while (item) {
-    if (item.nodeType == TEXT_NODE &&
-        item.nodeValue != "") {
-      item.nodeValue = "";
-    }
-    item = item.nextSibling;
-  }
-}
diff --git a/application/basilisk/components/translation/YandexTranslator.jsm b/application/basilisk/components/translation/YandexTranslator.jsm
deleted file mode 100644
index ab92e0962..000000000
--- a/application/basilisk/components/translation/YandexTranslator.jsm
+++ /dev/null
@@ -1,343 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-"use strict";
-
-const {classes: Cc, interfaces: Ci, utils: Cu} = Components;
-
-this.EXPORTED_SYMBOLS = [ "YandexTranslator" ];
-
-Cu.import("resource://gre/modules/Services.jsm");
-Cu.import("resource://gre/modules/Log.jsm");
-Cu.import("resource://gre/modules/Promise.jsm");
-Cu.import("resource://gre/modules/Task.jsm");
-Cu.import("resource://services-common/utils.js");
-Cu.import("resource://gre/modules/Http.jsm");
-
-// The maximum amount of net data allowed per request on Bing's API.
-const MAX_REQUEST_DATA = 5000; // Documentation says 10000 but anywhere
-                               // close to that is refused by the service.
-
-// The maximum number of chunks allowed to be translated in a single
-// request.
-const MAX_REQUEST_CHUNKS = 1000; // Documentation says 2000.
-
-// Self-imposed limit of 15 requests. This means that a page that would need
-// to be broken in more than 15 requests won't be fully translated.
-// The maximum amount of data that we will translate for a single page
-// is MAX_REQUESTS * MAX_REQUEST_DATA.
-const MAX_REQUESTS = 15;
-
-const YANDEX_RETURN_CODE_OK = 200;
-
-const YANDEX_ERR_KEY_INVALID               = 401; // Invalid API key
-const YANDEX_ERR_KEY_BLOCKED               = 402; // This API key has been blocked
-const YANDEX_ERR_DAILY_REQ_LIMIT_EXCEEDED  = 403; // Daily limit for requests reached
-const YANDEX_ERR_DAILY_CHAR_LIMIT_EXCEEDED = 404; // Daily limit of chars reached
-const YANDEX_ERR_TEXT_TOO_LONG             = 413; // The text size exceeds the maximum
-const YANDEX_ERR_UNPROCESSABLE_TEXT        = 422; // The text could not be translated
-const YANDEX_ERR_LANG_NOT_SUPPORTED        = 501; // The specified translation direction is not supported
-
-// Errors that should activate the service unavailable handling
-const YANDEX_PERMANENT_ERRORS = [
-  YANDEX_ERR_KEY_INVALID,
-  YANDEX_ERR_KEY_BLOCKED,
-  YANDEX_ERR_DAILY_REQ_LIMIT_EXCEEDED,
-  YANDEX_ERR_DAILY_CHAR_LIMIT_EXCEEDED,
-];
-
-/**
- * Translates a webpage using Yandex's Translation API.
- *
- * @param translationDocument  The TranslationDocument object that represents
- *                             the webpage to be translated
- * @param sourceLanguage       The source language of the document
- * @param targetLanguage       The target language for the translation
- *
- * @returns {Promise}          A promise that will resolve when the translation
- *                             task is finished.
- */
-this.YandexTranslator = function(translationDocument, sourceLanguage, targetLanguage) {
-  this.translationDocument = translationDocument;
-  this.sourceLanguage = sourceLanguage;
-  this.targetLanguage = targetLanguage;
-  this._pendingRequests = 0;
-  this._partialSuccess = false;
-  this._serviceUnavailable = false;
-  this._translatedCharacterCount = 0;
-};
-
-this.YandexTranslator.prototype = {
-  /**
-   * Performs the translation, splitting the document into several chunks
-   * respecting the data limits of the API.
-   *
-   * @returns {Promise}          A promise that will resolve when the translation
-   *                             task is finished.
-   */
-  translate: function() {
-    return Task.spawn(function *() {
-      let currentIndex = 0;
-      this._onFinishedDeferred = Promise.defer();
-
-      // Let's split the document into various requests to be sent to
-      // Yandex's Translation API.
-      for (let requestCount = 0; requestCount < MAX_REQUESTS; requestCount++) {
-        // Generating the text for each request can be expensive, so
-        // let's take the opportunity of the chunkification process to
-        // allow for the event loop to attend other pending events
-        // before we continue.
-        yield CommonUtils.laterTickResolvingPromise();
-
-        // Determine the data for the next request.
-        let request = this._generateNextTranslationRequest(currentIndex);
-
-        // Create a real request to the server, and put it on the
-        // pending requests list.
-        let yandexRequest = new YandexRequest(request.data,
-                                          this.sourceLanguage,
-                                          this.targetLanguage);
-        this._pendingRequests++;
-        yandexRequest.fireRequest().then(this._chunkCompleted.bind(this),
-                                       this._chunkFailed.bind(this));
-
-        currentIndex = request.lastIndex;
-        if (request.finished) {
-          break;
-        }
-      }
-
-      return this._onFinishedDeferred.promise;
-    }.bind(this));
-  },
-
-  /**
-   * Function called when a request sent to the server completed successfully.
-   * This function handles calling the function to parse the result and the
-   * function to resolve the promise returned by the public `translate()`
-   * method when there are no pending requests left.
-   *
-   * @param   request   The YandexRequest sent to the server
-   */
-  _chunkCompleted: function(yandexRequest) {
-    if (this._parseChunkResult(yandexRequest)) {
-      this._partialSuccess = true;
-      // Count the number of characters successfully translated.
-      this._translatedCharacterCount += yandexRequest.characterCount;
-    }
-
-    this._checkIfFinished();
-  },
-
-  /**
-   * Function called when a request sent to the server has failed.
-   * This function handles deciding if the error is transient or means the
-   * service is unavailable (zero balance on the key or request credentials are
-   * not in an active state) and calling the function to resolve the promise
-   * returned by the public `translate()` method when there are no pending
-   * requests left.
-   *
-   * @param   aError   [optional] The XHR object of the request that failed.
-   */
-  _chunkFailed: function(aError) {
-    if (aError instanceof Ci.nsIXMLHttpRequest) {
-      let body = aError.responseText;
-      let json = { code: 0 };
-      try {
-        json = JSON.parse(body);
-      } catch (e) {}
-
-      if (json.code && YANDEX_PERMANENT_ERRORS.indexOf(json.code) != -1)
-        this._serviceUnavailable = true;
-    }
-
-    this._checkIfFinished();
-  },
-
-  /**
-   * Function called when a request sent to the server has completed.
-   * This function handles resolving the promise
-   * returned by the public `translate()` method when all chunks are completed.
-   */
-  _checkIfFinished: function() {
-    // Check if all pending requests have been
-    // completed and then resolves the promise.
-    // If at least one chunk was successful, the
-    // promise will be resolved positively which will
-    // display the "Success" state for the infobar. Otherwise,
-    // the "Error" state will appear.
-    if (--this._pendingRequests == 0) {
-      if (this._partialSuccess) {
-        this._onFinishedDeferred.resolve({
-          characterCount: this._translatedCharacterCount
-        });
-      } else {
-        let error = this._serviceUnavailable ? "unavailable" : "failure";
-        this._onFinishedDeferred.reject(error);
-      }
-    }
-  },
-
-  /**
-   * This function parses the result returned by Yandex's Translation API,
-   * which returns a JSON result that contains a number of elements. The
-   * API is documented here:
-   * http://api.yandex.com/translate/doc/dg/reference/translate.xml
-   *
-   * @param   request      The request sent to the server.
-   * @returns boolean      True if parsing of this chunk was successful.
-   */
-  _parseChunkResult: function(yandexRequest) {
-    let results;
-    try {
-      let result = JSON.parse(yandexRequest.networkRequest.responseText);
-      if (result.code != 200) {
-        Services.console.logStringMessage("YandexTranslator: Result is " + result.code);
-        return false;
-      }
-      results = result.text
-    } catch (e) {
-      return false;
-    }
-
-    let len = results.length;
-    if (len != yandexRequest.translationData.length) {
-      // This should never happen, but if the service returns a different number
-      // of items (from the number of items submitted), we can't use this chunk
-      // because all items would be paired incorrectly.
-      return false;
-    }
-
-    let error = false;
-    for (let i = 0; i < len; i++) {
-      try {
-        let result = results[i];
-        let root = yandexRequest.translationData[i][0];
-        root.parseResult(result);
-      } catch (e) { error = true; }
-    }
-
-    return !error;
-  },
-
-  /**
-   * This function will determine what is the data to be used for
-   * the Nth request we are generating, based on the input params.
-   *
-   * @param startIndex What is the index, in the roots list, that the
-   *                   chunk should start.
-   */
-  _generateNextTranslationRequest: function(startIndex) {
-    let currentDataSize = 0;
-    let currentChunks = 0;
-    let output = [];
-    let rootsList = this.translationDocument.roots;
-
-    for (let i = startIndex; i < rootsList.length; i++) {
-      let root = rootsList[i];
-      let text = this.translationDocument.generateTextForItem(root);
-      if (!text) {
-        continue;
-      }
-
-      let newCurSize = currentDataSize + text.length;
-      let newChunks = currentChunks + 1;
-
-      if (newCurSize > MAX_REQUEST_DATA ||
-          newChunks > MAX_REQUEST_CHUNKS) {
-
-        // If we've reached the API limits, let's stop accumulating data
-        // for this request and return. We return information useful for
-        // the caller to pass back on the next call, so that the function
-        // can keep working from where it stopped.
-        return {
-          data: output,
-          finished: false,
-          lastIndex: i
-        };
-      }
-
-      currentDataSize = newCurSize;
-      currentChunks = newChunks;
-      output.push([root, text]);
-    }
-
-    return {
-      data: output,
-      finished: true,
-      lastIndex: 0
-    };
-  }
-};
-
-/**
- * Represents a request (for 1 chunk) sent off to Yandex's service.
- *
- * @params translationData  The data to be used for this translation,
- *                          generated by the generateNextTranslationRequest...
- *                          function.
- * @param sourceLanguage    The source language of the document.
- * @param targetLanguage    The target language for the translation.
- *
- */
-function YandexRequest(translationData, sourceLanguage, targetLanguage) {
-  this.translationData = translationData;
-  this.sourceLanguage = sourceLanguage;
-  this.targetLanguage = targetLanguage;
-  this.characterCount = 0;
-}
-
-YandexRequest.prototype = {
-  /**
-   * Initiates the request
-   */
-  fireRequest: function() {
-    return Task.spawn(function *() {
-      // Prepare URL.
-      let url = getUrlParam("https://translate.yandex.net/api/v1.5/tr.json/translate",
-                            "browser.translation.yandex.translateURLOverride");
-
-      // Prepare the request body.
-      let apiKey = getUrlParam("%YANDEX_API_KEY%", "browser.translation.yandex.apiKeyOverride");
-      let params = [
-        ["key", apiKey],
-        ["format", "html"],
-        ["lang", this.sourceLanguage + "-" + this.targetLanguage],
-      ];
-
-      for (let [, text] of this.translationData) {
-        params.push(["text", text]);
-        this.characterCount += text.length;
-      }
-
-      // Set up request options.
-      let deferred = Promise.defer();
-      let options = {
-        onLoad: (function(responseText, xhr) {
-          deferred.resolve(this);
-        }).bind(this),
-        onError: function(e, responseText, xhr) {
-          deferred.reject(xhr);
-        },
-        postData: params
-      };
-
-      // Fire the request.
-      this.networkRequest = httpRequest(url, options);
-
-      return deferred.promise;
-    }.bind(this));
-  }
-};
-
-/**
- * Fetch an auth token (clientID or client secret), which may be overridden by
- * a pref if it's set.
- */
-function getUrlParam(paramValue, prefName) {
-  if (Services.prefs.getPrefType(prefName))
-    paramValue = Services.prefs.getCharPref(prefName);
-  paramValue = Services.urlFormatter.formatURL(paramValue);
-  return paramValue;
-}
diff --git a/application/basilisk/components/translation/jar.mn b/application/basilisk/components/translation/jar.mn
deleted file mode 100644
index be744cb9e..000000000
--- a/application/basilisk/components/translation/jar.mn
+++ /dev/null
@@ -1,6 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
-browser.jar:
-       content/browser/translation-infobar.xml
-       content/browser/microsoft-translator-attribution.png
diff --git a/application/basilisk/components/translation/microsoft-translator-attribution.png b/application/basilisk/components/translation/microsoft-translator-attribution.png
deleted file mode 100644
index d9d277461..000000000
--- a/application/basilisk/components/translation/microsoft-translator-attribution.png
+++ /dev/null
diff --git a/application/basilisk/components/translation/moz.build b/application/basilisk/components/translation/moz.build
index ac0165230..32421e430 100644
--- a/application/basilisk/components/translation/moz.build
+++ b/application/basilisk/components/translation/moz.build
@@ -3,14 +3,7 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 EXTRA_JS_MODULES.translation = [
-    'BingTranslator.jsm',
     'cld2/cld-worker.js',
     'cld2/cld-worker.js.mem',
     'LanguageDetector.jsm',
-    'Translation.jsm',
-    'TranslationContentHandler.jsm',
-    'TranslationDocument.jsm',
-    'YandexTranslator.jsm'
 ]
-
-JAR_MANIFESTS += ['jar.mn']
diff --git a/application/basilisk/components/translation/translation-infobar.xml b/application/basilisk/components/translation/translation-infobar.xml
deleted file mode 100644
index db0695c03..000000000
--- a/application/basilisk/components/translation/translation-infobar.xml
+++ /dev/null
@@ -1,441 +0,0 @@
-<?xml version="1.0"?>
-<!-- This Source Code Form is subject to the terms of the Mozilla Public
-   - License, v. 2.0. If a copy of the MPL was not distributed with this
-   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
-
-<!DOCTYPE bindings [
-<!ENTITY % notificationDTD SYSTEM "chrome://global/locale/notification.dtd">
-%notificationDTD;
-<!ENTITY % translationDTD SYSTEM "chrome://browser/locale/translation.dtd" >
-%translationDTD;
-]>
-
-<bindings id="translationBindings"
-          xmlns="http://www.mozilla.org/xbl"
-          xmlns:xul="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
-          xmlns:xbl="http://www.mozilla.org/xbl">
-  <binding id="translationbar" extends="chrome://global/content/bindings/notification.xml#notification" role="xul:alert">
-    <resources>
-      <stylesheet src="chrome://global/skin/notification.css"/>
-    </resources>
-    <content>
-      <xul:hbox class="notification-inner" flex="1" xbl:inherits="type">
-        <xul:hbox anonid="details" align="center" flex="1">
-          <xul:image class="translate-infobar-element messageImage"
-                     anonid="messageImage"/>
-          <xul:panel anonid="welcomePanel" class="translation-welcome-panel"
-                     type="arrow" align="start">
-            <xul:image class="translation-welcome-logo"/>
-            <xul:vbox flex="1" class="translation-welcome-content">
-              <xul:description class="translation-welcome-headline"
-                               anonid="welcomeHeadline"/>
-              <xul:description class="translation-welcome-body" anonid="welcomeBody"/>
-              <xul:hbox align="center">
-                <xul:label anonid="learnMore" class="plain text-link"
-                           onclick="openUILinkIn('https://support.mozilla.org/kb/automatic-translation', 'tab'); this.parentNode.parentNode.parentNode.hidePopup();"/>
-                <xul:spacer flex="1"/>
-                <xul:button class="translate-infobar-element" anonid="thanksButton"
-                            onclick="this.parentNode.parentNode.parentNode.hidePopup();"/>
-              </xul:hbox>
-            </xul:vbox>
-          </xul:panel>
-          <xul:deck anonid="translationStates" selectedIndex="0">
-
-            <!-- offer to translate -->
-            <xul:hbox class="translate-offer-box" align="center">
-              <xul:label class="translate-infobar-element" value="&translation.thisPageIsIn.label;"/>
-              <xul:menulist class="translate-infobar-element" anonid="detectedLanguage">
-                <xul:menupopup/>
-              </xul:menulist>
-              <xul:label class="translate-infobar-element" value="&translation.translateThisPage.label;"/>
-              <xul:button class="translate-infobar-element"
-                          label="&translation.translate.button;"
-                          anonid="translate"
-                          oncommand="document.getBindingParent(this).translate();"/>
-              <xul:button class="translate-infobar-element"
-                          label="&translation.notNow.button;" anonid="notNow"
-                          oncommand="document.getBindingParent(this).closeCommand();"/>
-            </xul:hbox>
-
-            <!-- translating -->
-            <xul:vbox class="translating-box" pack="center">
-              <xul:label class="translate-infobar-element"
-                         value="&translation.translatingContent.label;"/>
-            </xul:vbox>
-
-            <!-- translated -->
-            <xul:hbox class="translated-box" align="center">
-              <xul:label class="translate-infobar-element"
-                         value="&translation.translatedFrom.label;"/>
-              <xul:menulist class="translate-infobar-element"
-                            anonid="fromLanguage"
-                            oncommand="document.getBindingParent(this).translate()">
-                <xul:menupopup/>
-              </xul:menulist>
-              <xul:label class="translate-infobar-element"
-                         value="&translation.translatedTo.label;"/>
-              <xul:menulist class="translate-infobar-element"
-                            anonid="toLanguage"
-                            oncommand="document.getBindingParent(this).translate()">
-                <xul:menupopup/>
-              </xul:menulist>
-              <xul:label class="translate-infobar-element"
-                         value="&translation.translatedToSuffix.label;"/>
-              <xul:button anonid="showOriginal"
-                          class="translate-infobar-element"
-                          label="&translation.showOriginal.button;"
-                          oncommand="document.getBindingParent(this).showOriginal();"/>
-              <xul:button anonid="showTranslation"
-                          class="translate-infobar-element"
-                          label="&translation.showTranslation.button;"
-                          oncommand="document.getBindingParent(this).showTranslation();"/>
-            </xul:hbox>
-
-            <!-- error -->
-            <xul:hbox class="translation-error" align="center">
-              <xul:label class="translate-infobar-element"
-                         value="&translation.errorTranslating.label;"/>
-              <xul:button class="translate-infobar-element"
-                          label="&translation.tryAgain.button;"
-                          anonid="tryAgain"
-                          oncommand="document.getBindingParent(this).translate();"/>
-            </xul:hbox>
-
-            <!-- unavailable -->
-            <xul:vbox class="translation-unavailable" pack="center">
-              <xul:label class="translate-infobar-element"
-                         value="&translation.serviceUnavailable.label;"/>
-            </xul:vbox>
-
-          </xul:deck>
-          <xul:spacer flex="1"/>
-
-          <xul:button type="menu"
-                      class="translate-infobar-element options-menu-button"
-                      anonid="options"
-                      label="&translation.options.menu;">
-            <xul:menupopup class="translation-menupopup cui-widget-panel cui-widget-panelview
-                                  cui-widget-panelWithFooter PanelUI-subView"
-                           onpopupshowing="document.getBindingParent(this).optionsShowing();">
-              <xul:menuitem anonid="neverForLanguage"
-                            oncommand="document.getBindingParent(this).neverForLanguage();"/>
-              <xul:menuitem anonid="neverForSite"
-                            oncommand="document.getBindingParent(this).neverForSite();"
-                            label="&translation.options.neverForSite.label;"
-                            accesskey="&translation.options.neverForSite.accesskey;"/>
-              <xul:menuseparator/>
-              <xul:menuitem oncommand="openPreferences('paneContent');"
-                            label="&translation.options.preferences.label;"
-                            accesskey="&translation.options.preferences.accesskey;"/>
-              <xul:menuitem class="subviewbutton panel-subview-footer"
-                            oncommand="document.getBindingParent(this).openProviderAttribution();">
-                <xul:deck anonid="translationEngine" selectedIndex="0">
-                  <xul:hbox class="translation-attribution">
-                    <xul:label>&translation.options.attribution.beforeLogo;</xul:label>
-                    <xul:image src="chrome://browser/content/microsoft-translator-attribution.png"
-                               aria-label="Microsoft Translator"/>
-                    <xul:label>&translation.options.attribution.afterLogo;</xul:label>
-                  </xul:hbox>
-                  <xul:label class="translation-attribution">&translation.options.attribution.yandexTranslate;</xul:label>
-                </xul:deck>
-              </xul:menuitem>
-            </xul:menupopup>
-          </xul:button>
-
-        </xul:hbox>
-        <xul:toolbarbutton ondblclick="event.stopPropagation();"
-                           anonid="closeButton"
-                           class="messageCloseButton close-icon tabbable"
-                           xbl:inherits="hidden=hideclose"
-                           tooltiptext="&closeNotification.tooltip;"
-                           oncommand="document.getBindingParent(this).closeCommand();"/>
-      </xul:hbox>
-    </content>
-    <implementation>
-      <property name="state"
-                onget="return this._getAnonElt('translationStates').selectedIndex;">
-        <setter>
-          <![CDATA[
-          let deck = this._getAnonElt('translationStates');
-
-          let activeElt = document.activeElement;
-          if (activeElt && deck.contains(activeElt))
-            activeElt.blur();
-
-          let stateName;
-          for (let name of ["OFFER", "TRANSLATING", "TRANSLATED", "ERROR"]) {
-            if (Translation["STATE_" + name] == val) {
-              stateName = name.toLowerCase();
-              break;
-            }
-          }
-          this.setAttribute("state", stateName);
-
-          if (val == Translation.STATE_TRANSLATED)
-            this._handleButtonHiding();
-
-          deck.selectedIndex = val;
-          ]]>
-        </setter>
-      </property>
-
-      <method name="init">
-        <parameter name="aTranslation"/>
-        <body>
-          <![CDATA[
-            this.translation = aTranslation;
-            let bundle = Cc["@mozilla.org/intl/stringbundle;1"]
-                           .getService(Ci.nsIStringBundleService)
-                           .createBundle("chrome://global/locale/languageNames.properties");
-            let sortByLocalizedName = function(aList) {
-              return aList.map(code => [code, bundle.GetStringFromName(code)])
-                          .sort((a, b) => a[1].localeCompare(b[1]));
-            };
-
-            // Fill the lists of supported source languages.
-            let detectedLanguage = this._getAnonElt("detectedLanguage");
-            let fromLanguage = this._getAnonElt("fromLanguage");
-            let sourceLanguages =
-              sortByLocalizedName(Translation.supportedSourceLanguages);
-            for (let [code, name] of sourceLanguages) {
-              detectedLanguage.appendItem(name, code);
-              fromLanguage.appendItem(name, code);
-            }
-            detectedLanguage.value = this.translation.detectedLanguage;
-
-            // translatedFrom is only set if we have already translated this page.
-            if (aTranslation.translatedFrom)
-              fromLanguage.value = aTranslation.translatedFrom;
-
-            // Fill the list of supported target languages.
-            let toLanguage = this._getAnonElt("toLanguage");
-            let targetLanguages =
-              sortByLocalizedName(Translation.supportedTargetLanguages);
-            for (let [code, name] of targetLanguages)
-              toLanguage.appendItem(name, code);
-
-            if (aTranslation.translatedTo)
-              toLanguage.value = aTranslation.translatedTo;
-
-            if (aTranslation.state)
-              this.state = aTranslation.state;
-
-            // Show attribution for the preferred translator.
-            let engineIndex = Object.keys(Translation.supportedEngines)
-              .indexOf(Translation.translationEngine);
-            if (engineIndex != -1) {
-              this._getAnonElt('translationEngine').selectedIndex = engineIndex;
-            }
-
-            const kWelcomePref = "browser.translation.ui.welcomeMessageShown";
-            if (Services.prefs.prefHasUserValue(kWelcomePref) ||
-                this.translation.browser != gBrowser.selectedBrowser)
-              return;
-
-            this.addEventListener("transitionend", function onShown() {
-              this.removeEventListener("transitionend", onShown);
-
-              // These strings are hardcoded because they need to reach beta
-              // without riding the trains.
-              let localizedStrings = {
-                en: ["Hey look! It's something new!",
-                     "Now the Web is even more accessible with our new in-page translation feature. Click the translate button to try it!",
-                     "Learn more.",
-                     "Thanks"],
-                "es-AR": ["\xA1Mir\xE1! \xA1Hay algo nuevo!",
-                          "Ahora la web es a\xFAn m\xE1s accesible con nuestra nueva funcionalidad de traducci\xF3n integrada. \xA1Hac\xE9 clic en el bot\xF3n traducir para probarla!",
-                          "Conoc\xE9 m\xE1s.",
-                          "Gracias"],
-                "es-ES": ["\xA1Mira! \xA1Hay algo nuevo!",
-                          "Con la nueva funcionalidad de traducci\xF3n integrada, ahora la Web es a\xFAn m\xE1s accesible. \xA1Pulsa el bot\xF3n Traducir y pru\xE9bala!",
-                          "M\xE1s informaci\xF3n.",
-                          "Gracias"],
-                pl: ["Sp\xF3jrz tutaj! To co\u015B nowego!",
-                     "Sie\u0107 sta\u0142a si\u0119 w\u0142a\u015Bnie jeszcze bardziej dost\u0119pna dzi\u0119ki opcji bezpo\u015Bredniego t\u0142umaczenia stron. Kliknij przycisk t\u0142umaczenia, aby spr\xF3bowa\u0107!",
-                     "Dowiedz si\u0119 wi\u0119cej",
-                     "Dzi\u0119kuj\u0119"],
-                tr: ["Bak\u0131n, burada yeni bir \u015Fey var!",
-                     "Yeni sayfa i\xE7i \xE7eviri \xF6zelli\u011Fimiz sayesinde Web art\u0131k \xE7ok daha anla\u015F\u0131l\u0131r olacak. Denemek i\xE7in \xC7evir d\xFC\u011Fmesine t\u0131klay\u0131n!",
-                     "Daha fazla bilgi al\u0131n.",
-                     "Te\u015Fekk\xFCrler"],
-                vi: ["Nh\xECn n\xE0y! \u0110\u1ED3 m\u1EDBi!",
-                     "Gi\u1EDD \u0111\xE2y ch\xFAng ta c\xF3 th\u1EC3 ti\u1EBFp c\u1EADn web d\u1EC5 d\xE0ng h\u01A1n n\u1EEFa v\u1EDBi t\xEDnh n\u0103ng d\u1ECBch ngay trong trang.  Hay nh\u1EA5n n\xFAt d\u1ECBch \u0111\u1EC3 th\u1EED!",
-                     "T\xECm hi\u1EC3u th\xEAm.",
-                     "C\u1EA3m \u01A1n"]
-              };
-
-              let locale = Cc["@mozilla.org/chrome/chrome-registry;1"]
-                             .getService(Ci.nsIXULChromeRegistry)
-                             .getSelectedLocale("browser");
-              if (!(locale in localizedStrings))
-                locale = "en";
-              let strings = localizedStrings[locale];
-
-              this._getAnonElt("welcomeHeadline").setAttribute("value", strings[0]);
-              this._getAnonElt("welcomeBody").textContent = strings[1];
-              this._getAnonElt("learnMore").setAttribute("value", strings[2]);
-              this._getAnonElt("thanksButton").setAttribute("label", strings[3]);
-
-              let panel = this._getAnonElt("welcomePanel");
-              panel.openPopup(this._getAnonElt("messageImage"),
-                              "bottomcenter topleft");
-
-              Services.prefs.setBoolPref(kWelcomePref, true);
-            });
-          ]]>
-        </body>
-      </method>
-
-      <method name="_getAnonElt">
-        <parameter name="aAnonId"/>
-        <body>
-          return document.getAnonymousElementByAttribute(this, "anonid", aAnonId);
-        </body>
-      </method>
-
-      <method name="translate">
-        <body>
-          <![CDATA[
-            if (this.state == Translation.STATE_OFFER) {
-              this._getAnonElt("fromLanguage").value =
-                this._getAnonElt("detectedLanguage").value;
-              this._getAnonElt("toLanguage").value =
-                Translation.defaultTargetLanguage;
-            }
-
-            this.translation.translate(this._getAnonElt("fromLanguage").value,
-                                       this._getAnonElt("toLanguage").value);
-          ]]>
-        </body>
-      </method>
-
-      <!-- To be called when the infobar should be closed per user's wish (e.g.
-           by clicking the notification's close button -->
-      <method name="closeCommand">
-        <body>
-          <![CDATA[
-            this.close();
-            this.translation.infobarClosed();
-          ]]>
-        </body>
-      </method>
-      <method name="_handleButtonHiding">
-        <body>
-          <![CDATA[
-            let originalShown = this.translation.originalShown;
-            this._getAnonElt("showOriginal").hidden = originalShown;
-            this._getAnonElt("showTranslation").hidden = !originalShown;
-          ]]>
-        </body>
-      </method>
-
-      <method name="showOriginal">
-        <body>
-          <![CDATA[
-            this.translation.showOriginalContent();
-            this._handleButtonHiding();
-          ]]>
-        </body>
-      </method>
-
-      <method name="showTranslation">
-        <body>
-          <![CDATA[
-            this.translation.showTranslatedContent();
-            this._handleButtonHiding();
-          ]]>
-        </body>
-      </method>
-
-      <method name="optionsShowing">
-        <body>
-          <![CDATA[
-            // Get the source language name.
-            let lang;
-            if (this.state == Translation.STATE_OFFER)
-              lang = this._getAnonElt("detectedLanguage").value;
-            else {
-              lang = this._getAnonElt("fromLanguage").value;
-
-              // If we have never attempted to translate the page before the
-              // service became unavailable, "fromLanguage" isn't set.
-              if (!lang && this.state == Translation.STATE_UNAVAILABLE)
-                lang = this.translation.detectedLanguage;
-            }
-
-            let langBundle =
-              Cc["@mozilla.org/intl/stringbundle;1"]
-                .getService(Ci.nsIStringBundleService)
-                .createBundle("chrome://global/locale/languageNames.properties");
-            let langName = langBundle.GetStringFromName(lang);
-
-            // Set the label and accesskey on the menuitem.
-            let bundle =
-              Cc["@mozilla.org/intl/stringbundle;1"]
-                .getService(Ci.nsIStringBundleService)
-                .createBundle("chrome://browser/locale/translation.properties");
-            let item = this._getAnonElt("neverForLanguage");
-            const kStrId = "translation.options.neverForLanguage";
-            item.setAttribute("label",
-                              bundle.formatStringFromName(kStrId + ".label",
-                                                          [langName], 1));
-            item.setAttribute("accesskey",
-                              bundle.GetStringFromName(kStrId + ".accesskey"));
-            item.langCode = lang;
-
-            // We may need to disable the menuitems if they have already been used.
-            // Check if translation is already disabled for this language:
-            let neverForLangs =
-              Services.prefs.getCharPref("browser.translation.neverForLanguages");
-            item.disabled = neverForLangs.split(",").indexOf(lang) != -1;
-
-            // Check if translation is disabled for the domain:
-            let uri = this.translation.browser.currentURI;
-            let perms = Services.perms;
-            item = this._getAnonElt("neverForSite");
-            item.disabled =
-              perms.testExactPermission(uri, "translate") == perms.DENY_ACTION;
-          ]]>
-        </body>
-      </method>
-
-      <method name="neverForLanguage">
-        <body>
-          <![CDATA[
-            const kPrefName = "browser.translation.neverForLanguages";
-
-            let val = Services.prefs.getCharPref(kPrefName);
-            if (val)
-              val += ",";
-            val += this._getAnonElt("neverForLanguage").langCode;
-
-            Services.prefs.setCharPref(kPrefName, val);
-
-            this.closeCommand();
-          ]]>
-        </body>
-      </method>
-
-      <method name="neverForSite">
-        <body>
-          <![CDATA[
-            let uri = this.translation.browser.currentURI;
-            let perms = Services.perms;
-            perms.add(uri, "translate", perms.DENY_ACTION);
-
-            this.closeCommand();
-          ]]>
-        </body>
-      </method>
-
-      <method name="openProviderAttribution">
-        <body>
-          <![CDATA[
-            Translation.openProviderAttribution();
-          ]]>
-        </body>
-      </method>
-
-    </implementation>
-  </binding>
-</bindings>
diff --git a/application/basilisk/components/webextensions/.eslintrc.js b/application/basilisk/components/webextensions/.eslintrc.js
deleted file mode 100644
index 81a11c4ac..000000000
--- a/application/basilisk/components/webextensions/.eslintrc.js
+++ /dev/null
@@ -1,22 +0,0 @@
-"use strict";
-
-module.exports = {  // eslint-disable-line no-undef
-  "extends": "../../../toolkit/components/extensions/.eslintrc.js",
-
-  "globals": {
-    "AllWindowEvents": true,
-    "browserActionFor": true,
-    "currentWindow": true,
-    "EventEmitter": true,
-    "getCookieStoreIdForTab": true,
-    "IconDetails": true,
-    "makeWidgetId": true,
-    "pageActionFor": true,
-    "PanelPopup": true,
-    "TabContext": true,
-    "ViewPopup": true,
-    "WindowEventManager": true,
-    "WindowListManager": true,
-    "WindowManager": true,
-  },
-};
diff --git a/application/basilisk/components/webextensions/ext-bookmarks.js b/application/basilisk/components/webextensions/ext-bookmarks.js
deleted file mode 100644
index 399f6212d..000000000
--- a/application/basilisk/components/webextensions/ext-bookmarks.js
+++ /dev/null
@@ -1,374 +0,0 @@
-/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
-/* vim: set sts=2 sw=2 et tw=80: */
-"use strict";
-
-const {classes: Cc, interfaces: Ci, utils: Cu} = Components;
-
-Cu.import("resource://gre/modules/ExtensionUtils.jsm");
-const {
-  SingletonEventManager,
-} = ExtensionUtils;
-
-XPCOMUtils.defineLazyModuleGetter(this, "EventEmitter",
-                                  "resource://devtools/shared/event-emitter.js");
-XPCOMUtils.defineLazyModuleGetter(this, "PlacesUtils",
-                                  "resource://gre/modules/PlacesUtils.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "Task",
-                                  "resource://gre/modules/Task.jsm");
-
-let listenerCount = 0;
-
-function getTree(rootGuid, onlyChildren) {
-  function convert(node, parent) {
-    let treenode = {
-      id: node.guid,
-      title: node.title || "",
-      index: node.index,
-      dateAdded: node.dateAdded / 1000,
-    };
-
-    if (parent && node.guid != PlacesUtils.bookmarks.rootGuid) {
-      treenode.parentId = parent.guid;
-    }
-
-    if (node.type == PlacesUtils.TYPE_X_MOZ_PLACE) {
-      // This isn't quite correct. Recently Bookmarked ends up here ...
-      treenode.url = node.uri;
-    } else {
-      treenode.dateGroupModified = node.lastModified / 1000;
-
-      if (node.children && !onlyChildren) {
-        treenode.children = node.children.map(child => convert(child, node));
-      }
-    }
-
-    return treenode;
-  }
-
-  return PlacesUtils.promiseBookmarksTree(rootGuid, {
-    excludeItemsCallback: item => {
-      if (item.type == PlacesUtils.TYPE_X_MOZ_PLACE_SEPARATOR) {
-        return true;
-      }
-      return item.annos &&
-             item.annos.find(a => a.name == PlacesUtils.EXCLUDE_FROM_BACKUP_ANNO);
-    },
-  }).then(root => {
-    if (onlyChildren) {
-      let children = root.children || [];
-      return children.map(child => convert(child, root));
-    }
-    // It seems like the array always just contains the root node.
-    return [convert(root, null)];
-  }).catch(e => Promise.reject({message: e.message}));
-}
-
-function convert(result) {
-  let node = {
-    id: result.guid,
-    title: result.title || "",
-    index: result.index,
-    dateAdded: result.dateAdded.getTime(),
-  };
-
-  if (result.guid != PlacesUtils.bookmarks.rootGuid) {
-    node.parentId = result.parentGuid;
-  }
-
-  if (result.type == PlacesUtils.bookmarks.TYPE_BOOKMARK) {
-    node.url = result.url.href; // Output is always URL object.
-  } else {
-    node.dateGroupModified = result.lastModified.getTime();
-  }
-
-  return node;
-}
-
-let observer = {
-  skipTags: true,
-  skipDescendantsOnItemRemoval: true,
-
-  onBeginUpdateBatch() {},
-  onEndUpdateBatch() {},
-
-  onItemAdded(id, parentId, index, itemType, uri, title, dateAdded, guid, parentGuid, source) {
-    if (itemType == PlacesUtils.bookmarks.TYPE_SEPARATOR) {
-      return;
-    }
-
-    let bookmark = {
-      id: guid,
-      parentId: parentGuid,
-      index,
-      title,
-      dateAdded: dateAdded / 1000,
-    };
-
-    if (itemType == PlacesUtils.bookmarks.TYPE_BOOKMARK) {
-      bookmark.url = uri.spec;
-    } else {
-      bookmark.dateGroupModified = bookmark.dateAdded;
-    }
-
-    this.emit("created", bookmark);
-  },
-
-  onItemVisited() {},
-
-  onItemMoved(id, oldParentId, oldIndex, newParentId, newIndex, itemType, guid, oldParentGuid, newParentGuid, source) {
-    if (itemType == PlacesUtils.bookmarks.TYPE_SEPARATOR) {
-      return;
-    }
-
-    let info = {
-      parentId: newParentGuid,
-      index: newIndex,
-      oldParentId: oldParentGuid,
-      oldIndex,
-    };
-    this.emit("moved", {guid, info});
-  },
-
-  onItemRemoved(id, parentId, index, itemType, uri, guid, parentGuid, source) {
-    if (itemType == PlacesUtils.bookmarks.TYPE_SEPARATOR) {
-      return;
-    }
-
-    let node = {
-      id: guid,
-      parentId: parentGuid,
-      index,
-    };
-
-    if (itemType == PlacesUtils.bookmarks.TYPE_BOOKMARK) {
-      node.url = uri.spec;
-    }
-
-    this.emit("removed", {guid, info: {parentId: parentGuid, index, node}});
-  },
-
-  onItemChanged(id, prop, isAnno, val, lastMod, itemType, parentId, guid, parentGuid, oldVal, source) {
-    if (itemType == PlacesUtils.bookmarks.TYPE_SEPARATOR) {
-      return;
-    }
-
-    let info = {};
-    if (prop == "title") {
-      info.title = val;
-    } else if (prop == "uri") {
-      info.url = val;
-    } else {
-      // Not defined yet.
-      return;
-    }
-
-    this.emit("changed", {guid, info});
-  },
-};
-EventEmitter.decorate(observer);
-
-function decrementListeners() {
-  listenerCount -= 1;
-  if (!listenerCount) {
-    PlacesUtils.bookmarks.removeObserver(observer);
-  }
-}
-
-function incrementListeners() {
-  listenerCount++;
-  if (listenerCount == 1) {
-    PlacesUtils.bookmarks.addObserver(observer, false);
-  }
-}
-
-extensions.registerSchemaAPI("bookmarks", "addon_parent", context => {
-  return {
-    bookmarks: {
-      get: function(idOrIdList) {
-        let list = Array.isArray(idOrIdList) ? idOrIdList : [idOrIdList];
-
-        return Task.spawn(function* () {
-          let bookmarks = [];
-          for (let id of list) {
-            let bookmark = yield PlacesUtils.bookmarks.fetch({guid: id});
-            if (!bookmark) {
-              throw new Error("Bookmark not found");
-            }
-            bookmarks.push(convert(bookmark));
-          }
-          return bookmarks;
-        }).catch(error => Promise.reject({message: error.message}));
-      },
-
-      getChildren: function(id) {
-        // TODO: We should optimize this.
-        return getTree(id, true);
-      },
-
-      getTree: function() {
-        return getTree(PlacesUtils.bookmarks.rootGuid, false);
-      },
-
-      getSubTree: function(id) {
-        return getTree(id, false);
-      },
-
-      search: function(query) {
-        return PlacesUtils.bookmarks.search(query).then(result => result.map(convert));
-      },
-
-      getRecent: function(numberOfItems) {
-        return PlacesUtils.bookmarks.getRecent(numberOfItems).then(result => result.map(convert));
-      },
-
-      create: function(bookmark) {
-        let info = {
-          title: bookmark.title || "",
-        };
-
-        // If url is NULL or missing, it will be a folder.
-        if (bookmark.url !== null) {
-          info.type = PlacesUtils.bookmarks.TYPE_BOOKMARK;
-          info.url = bookmark.url || "";
-        } else {
-          info.type = PlacesUtils.bookmarks.TYPE_FOLDER;
-        }
-
-        if (bookmark.index !== null) {
-          info.index = bookmark.index;
-        }
-
-        if (bookmark.parentId !== null) {
-          info.parentGuid = bookmark.parentId;
-        } else {
-          info.parentGuid = PlacesUtils.bookmarks.unfiledGuid;
-        }
-
-        try {
-          return PlacesUtils.bookmarks.insert(info).then(convert)
-            .catch(error => Promise.reject({message: error.message}));
-        } catch (e) {
-          return Promise.reject({message: `Invalid bookmark: ${JSON.stringify(info)}`});
-        }
-      },
-
-      move: function(id, destination) {
-        let info = {
-          guid: id,
-        };
-
-        if (destination.parentId !== null) {
-          info.parentGuid = destination.parentId;
-        }
-        info.index = (destination.index === null) ?
-          PlacesUtils.bookmarks.DEFAULT_INDEX : destination.index;
-
-        try {
-          return PlacesUtils.bookmarks.update(info).then(convert)
-            .catch(error => Promise.reject({message: error.message}));
-        } catch (e) {
-          return Promise.reject({message: `Invalid bookmark: ${JSON.stringify(info)}`});
-        }
-      },
-
-      update: function(id, changes) {
-        let info = {
-          guid: id,
-        };
-
-        if (changes.title !== null) {
-          info.title = changes.title;
-        }
-        if (changes.url !== null) {
-          info.url = changes.url;
-        }
-
-        try {
-          return PlacesUtils.bookmarks.update(info).then(convert)
-            .catch(error => Promise.reject({message: error.message}));
-        } catch (e) {
-          return Promise.reject({message: `Invalid bookmark: ${JSON.stringify(info)}`});
-        }
-      },
-
-      remove: function(id) {
-        let info = {
-          guid: id,
-        };
-
-        // The API doesn't give you the old bookmark at the moment
-        try {
-          return PlacesUtils.bookmarks.remove(info, {preventRemovalOfNonEmptyFolders: true}).then(result => {})
-            .catch(error => Promise.reject({message: error.message}));
-        } catch (e) {
-          return Promise.reject({message: `Invalid bookmark: ${JSON.stringify(info)}`});
-        }
-      },
-
-      removeTree: function(id) {
-        let info = {
-          guid: id,
-        };
-
-        try {
-          return PlacesUtils.bookmarks.remove(info).then(result => {})
-            .catch(error => Promise.reject({message: error.message}));
-        } catch (e) {
-          return Promise.reject({message: `Invalid bookmark: ${JSON.stringify(info)}`});
-        }
-      },
-
-      onCreated: new SingletonEventManager(context, "bookmarks.onCreated", fire => {
-        let listener = (event, bookmark) => {
-          context.runSafe(fire, bookmark.id, bookmark);
-        };
-
-        observer.on("created", listener);
-        incrementListeners();
-        return () => {
-          observer.off("created", listener);
-          decrementListeners();
-        };
-      }).api(),
-
-      onRemoved: new SingletonEventManager(context, "bookmarks.onRemoved", fire => {
-        let listener = (event, data) => {
-          context.runSafe(fire, data.guid, data.info);
-        };
-
-        observer.on("removed", listener);
-        incrementListeners();
-        return () => {
-          observer.off("removed", listener);
-          decrementListeners();
-        };
-      }).api(),
-
-      onChanged: new SingletonEventManager(context, "bookmarks.onChanged", fire => {
-        let listener = (event, data) => {
-          context.runSafe(fire, data.guid, data.info);
-        };
-
-        observer.on("changed", listener);
-        incrementListeners();
-        return () => {
-          observer.off("changed", listener);
-          decrementListeners();
-        };
-      }).api(),
-
-      onMoved: new SingletonEventManager(context, "bookmarks.onMoved", fire => {
-        let listener = (event, data) => {
-          context.runSafe(fire, data.guid, data.info);
-        };
-
-        observer.on("moved", listener);
-        incrementListeners();
-        return () => {
-          observer.off("moved", listener);
-          decrementListeners();
-        };
-      }).api(),
-    },
-  };
-});
diff --git a/application/basilisk/components/webextensions/ext-browserAction.js b/application/basilisk/components/webextensions/ext-browserAction.js
deleted file mode 100644
index 2c82ac701..000000000
--- a/application/basilisk/components/webextensions/ext-browserAction.js
+++ /dev/null
@@ -1,531 +0,0 @@
-/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
-/* vim: set sts=2 sw=2 et tw=80: */
-"use strict";
-
-XPCOMUtils.defineLazyModuleGetter(this, "CustomizableUI",
-                                  "resource:///modules/CustomizableUI.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "clearTimeout",
-                                  "resource://gre/modules/Timer.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "setTimeout",
-                                  "resource://gre/modules/Timer.jsm");
-
-XPCOMUtils.defineLazyServiceGetter(this, "DOMUtils",
-                                   "@mozilla.org/inspector/dom-utils;1",
-                                   "inIDOMUtils");
-
-Cu.import("resource://devtools/shared/event-emitter.js");
-Cu.import("resource://gre/modules/ExtensionUtils.jsm");
-Cu.import("resource://gre/modules/Task.jsm");
-
-var {
-  EventManager,
-  IconDetails,
-} = ExtensionUtils;
-
-const POPUP_PRELOAD_TIMEOUT_MS = 200;
-
-const XUL_NS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
-
-function isAncestorOrSelf(target, node) {
-  for (; node; node = node.parentNode) {
-    if (node === target) {
-      return true;
-    }
-  }
-  return false;
-}
-
-// WeakMap[Extension -> BrowserAction]
-var browserActionMap = new WeakMap();
-
-// Responsible for the browser_action section of the manifest as well
-// as the associated popup.
-function BrowserAction(options, extension) {
-  this.extension = extension;
-
-  let widgetId = makeWidgetId(extension.id);
-  this.id = `${widgetId}-browser-action`;
-  this.viewId = `PanelUI-webext-${widgetId}-browser-action-view`;
-  this.widget = null;
-
-  this.pendingPopup = null;
-  this.pendingPopupTimeout = null;
-
-  this.tabManager = TabManager.for(extension);
-
-  this.defaults = {
-    enabled: true,
-    title: options.default_title || extension.name,
-    badgeText: "",
-    badgeBackgroundColor: null,
-    icon: IconDetails.normalize({path: options.default_icon}, extension),
-    popup: options.default_popup || "",
-  };
-
-  this.browserStyle = options.browser_style || false;
-  if (options.browser_style === null) {
-    this.extension.logger.warn("Please specify whether you want browser_style " +
-                               "or not in your browser_action options.");
-  }
-
-  this.tabContext = new TabContext(tab => Object.create(this.defaults),
-                                   extension);
-
-  EventEmitter.decorate(this);
-}
-
-BrowserAction.prototype = {
-  build() {
-    let widget = CustomizableUI.createWidget({
-      id: this.id,
-      viewId: this.viewId,
-      type: "view",
-      removable: true,
-      label: this.defaults.title || this.extension.name,
-      tooltiptext: this.defaults.title || "",
-      defaultArea: CustomizableUI.AREA_NAVBAR,
-
-      onBeforeCreated: document => {
-        let view = document.createElementNS(XUL_NS, "panelview");
-        view.id = this.viewId;
-        view.setAttribute("flex", "1");
-
-        document.getElementById("PanelUI-multiView").appendChild(view);
-      },
-
-      onDestroyed: document => {
-        let view = document.getElementById(this.viewId);
-        if (view) {
-          this.clearPopup();
-          CustomizableUI.hidePanelForNode(view);
-          view.remove();
-        }
-      },
-
-      onCreated: node => {
-        node.classList.add("badged-button");
-        node.classList.add("webextension-browser-action");
-        node.setAttribute("constrain-size", "true");
-
-        node.onmousedown = event => this.handleEvent(event);
-
-        this.updateButton(node, this.defaults);
-      },
-
-      onViewShowing: event => {
-        let document = event.target.ownerDocument;
-        let tabbrowser = document.defaultView.gBrowser;
-
-        let tab = tabbrowser.selectedTab;
-        let popupURL = this.getProperty(tab, "popup");
-        this.tabManager.addActiveTabPermission(tab);
-
-        // Popups are shown only if a popup URL is defined; otherwise
-        // a "click" event is dispatched. This is done for compatibility with the
-        // Google Chrome onClicked extension API.
-        if (popupURL) {
-          try {
-            let popup = this.getPopup(document.defaultView, popupURL);
-            event.detail.addBlocker(popup.attach(event.target));
-          } catch (e) {
-            Cu.reportError(e);
-            event.preventDefault();
-          }
-        } else {
-          // This isn't not a hack, but it seems to provide the correct behavior
-          // with the fewest complications.
-          event.preventDefault();
-          this.emit("click");
-        }
-      },
-    });
-
-    this.tabContext.on("tab-select", // eslint-disable-line mozilla/balanced-listeners
-                       (evt, tab) => { this.updateWindow(tab.ownerGlobal); });
-
-    this.widget = widget;
-  },
-
-  /**
-   * Triggers this browser action for the given window, with the same effects as
-   * if it were clicked by a user.
-   *
-   * This has no effect if the browser action is disabled for, or not
-   * present in, the given window.
-   */
-  triggerAction: Task.async(function* (window) {
-    let popup = ViewPopup.for(this.extension, window);
-    if (popup) {
-      popup.closePopup();
-      return;
-    }
-
-    let widget = this.widget.forWindow(window);
-    let tab = window.gBrowser.selectedTab;
-
-    if (!widget || !this.getProperty(tab, "enabled")) {
-      return;
-    }
-
-    // Popups are shown only if a popup URL is defined; otherwise
-    // a "click" event is dispatched. This is done for compatibility with the
-    // Google Chrome onClicked extension API.
-    if (this.getProperty(tab, "popup")) {
-      if (this.widget.areaType == CustomizableUI.TYPE_MENU_PANEL) {
-        yield window.PanelUI.show();
-      }
-
-      let event = new window.CustomEvent("command", {bubbles: true, cancelable: true});
-      widget.node.dispatchEvent(event);
-    } else {
-      this.emit("click");
-    }
-  }),
-
-  handleEvent(event) {
-    let button = event.target;
-    let window = button.ownerDocument.defaultView;
-
-    switch (event.type) {
-      case "mousedown":
-        if (event.button == 0) {
-          // Begin pre-loading the browser for the popup, so it's more likely to
-          // be ready by the time we get a complete click.
-          let tab = window.gBrowser.selectedTab;
-          let popupURL = this.getProperty(tab, "popup");
-          let enabled = this.getProperty(tab, "enabled");
-
-          if (popupURL && enabled) {
-            // Add permission for the active tab so it will exist for the popup.
-            // Store the tab to revoke the permission during clearPopup.
-            if (!this.pendingPopup && !this.tabManager.hasActiveTabPermission(tab)) {
-              this.tabManager.addActiveTabPermission(tab);
-              this.tabToRevokeDuringClearPopup = tab;
-            }
-
-            this.pendingPopup = this.getPopup(window, popupURL);
-            window.addEventListener("mouseup", this, true);
-          } else {
-            this.clearPopup();
-          }
-        }
-        break;
-
-      case "mouseup":
-        if (event.button == 0) {
-          this.clearPopupTimeout();
-          // If we have a pending pre-loaded popup, cancel it after we've waited
-          // long enough that we can be relatively certain it won't be opening.
-          if (this.pendingPopup) {
-            let {node} = this.widget.forWindow(window);
-            if (isAncestorOrSelf(node, event.originalTarget)) {
-              this.pendingPopupTimeout = setTimeout(() => this.clearPopup(),
-                                                    POPUP_PRELOAD_TIMEOUT_MS);
-            } else {
-              this.clearPopup();
-            }
-          }
-        }
-        break;
-    }
-  },
-
-  /**
-   * Returns a potentially pre-loaded popup for the given URL in the given
-   * window. If a matching pre-load popup already exists, returns that.
-   * Otherwise, initializes a new one.
-   *
-   * If a pre-load popup exists which does not match, it is destroyed before a
-   * new one is created.
-   *
-   * @param {Window} window
-   *        The browser window in which to create the popup.
-   * @param {string} popupURL
-   *        The URL to load into the popup.
-   * @returns {ViewPopup}
-   */
-  getPopup(window, popupURL) {
-    this.clearPopupTimeout();
-    let {pendingPopup} = this;
-    this.pendingPopup = null;
-
-    if (pendingPopup) {
-      if (pendingPopup.window === window && pendingPopup.popupURL === popupURL) {
-        return pendingPopup;
-      }
-      pendingPopup.destroy();
-    }
-
-    let fixedWidth = this.widget.areaType == CustomizableUI.TYPE_MENU_PANEL;
-    return new ViewPopup(this.extension, window, popupURL, this.browserStyle, fixedWidth);
-  },
-
-  /**
-   * Clears any pending pre-loaded popup and related timeouts.
-   */
-  clearPopup() {
-    this.clearPopupTimeout();
-    if (this.pendingPopup) {
-      if (this.tabToRevokeDuringClearPopup) {
-        this.tabManager.revokeActiveTabPermission(this.tabToRevokeDuringClearPopup);
-        this.tabToRevokeDuringClearPopup = null;
-      }
-      this.pendingPopup.destroy();
-      this.pendingPopup = null;
-    }
-  },
-
-  /**
-   * Clears any pending timeouts to clear stale, pre-loaded popups.
-   */
-  clearPopupTimeout() {
-    if (this.pendingPopup) {
-      this.pendingPopup.window.removeEventListener("mouseup", this, true);
-    }
-
-    if (this.pendingPopupTimeout) {
-      clearTimeout(this.pendingPopupTimeout);
-      this.pendingPopupTimeout = null;
-    }
-  },
-
-  // Update the toolbar button |node| with the tab context data
-  // in |tabData|.
-  updateButton(node, tabData) {
-    let title = tabData.title || this.extension.name;
-    node.setAttribute("tooltiptext", title);
-    node.setAttribute("label", title);
-
-    if (tabData.badgeText) {
-      node.setAttribute("badge", tabData.badgeText);
-    } else {
-      node.removeAttribute("badge");
-    }
-
-    if (tabData.enabled) {
-      node.removeAttribute("disabled");
-    } else {
-      node.setAttribute("disabled", "true");
-    }
-
-    let badgeNode = node.ownerDocument.getAnonymousElementByAttribute(node,
-                                        "class", "toolbarbutton-badge");
-    if (badgeNode) {
-      let color = tabData.badgeBackgroundColor;
-      if (color) {
-        color = `rgba(${color[0]}, ${color[1]}, ${color[2]}, ${color[3] / 255})`;
-      }
-      badgeNode.style.backgroundColor = color || "";
-    }
-
-    const LEGACY_CLASS = "toolbarbutton-legacy-addon";
-    node.classList.remove(LEGACY_CLASS);
-
-    let baseSize = 16;
-    let {icon, size} = IconDetails.getPreferredIcon(tabData.icon, this.extension, baseSize);
-
-    // If the best available icon size is not divisible by 16, check if we have
-    // an 18px icon to fall back to, and trim off the padding instead.
-    if (size % 16 && !icon.endsWith(".svg")) {
-      let result = IconDetails.getPreferredIcon(tabData.icon, this.extension, 18);
-
-      if (result.size % 18 == 0) {
-        baseSize = 18;
-        icon = result.icon;
-        node.classList.add(LEGACY_CLASS);
-      }
-    }
-
-    // These URLs should already be properly escaped, but make doubly sure CSS
-    // string escape characters are escaped here, since they could lead to a
-    // sandbox break.
-    let escape = str => str.replace(/[\\\s"]/g, encodeURIComponent);
-
-    let getIcon = size => escape(IconDetails.getPreferredIcon(tabData.icon, this.extension, size).icon);
-
-    node.setAttribute("style", `
-      --webextension-menupanel-image: url("${getIcon(32)}");
-      --webextension-menupanel-image-2x: url("${getIcon(64)}");
-      --webextension-toolbar-image: url("${escape(icon)}");
-      --webextension-toolbar-image-2x: url("${getIcon(baseSize * 2)}");
-    `);
-  },
-
-  // Update the toolbar button for a given window.
-  updateWindow(window) {
-    let widget = this.widget.forWindow(window);
-    if (widget) {
-      let tab = window.gBrowser.selectedTab;
-      this.updateButton(widget.node, this.tabContext.get(tab));
-    }
-  },
-
-  // Update the toolbar button when the extension changes the icon,
-  // title, badge, etc. If it only changes a parameter for a single
-  // tab, |tab| will be that tab. Otherwise it will be null.
-  updateOnChange(tab) {
-    if (tab) {
-      if (tab.selected) {
-        this.updateWindow(tab.ownerGlobal);
-      }
-    } else {
-      for (let window of WindowListManager.browserWindows()) {
-        this.updateWindow(window);
-      }
-    }
-  },
-
-  // tab is allowed to be null.
-  // prop should be one of "icon", "title", "badgeText", "popup", or "badgeBackgroundColor".
-  setProperty(tab, prop, value) {
-    if (tab == null) {
-      this.defaults[prop] = value;
-    } else if (value != null) {
-      this.tabContext.get(tab)[prop] = value;
-    } else {
-      delete this.tabContext.get(tab)[prop];
-    }
-
-    this.updateOnChange(tab);
-  },
-
-  // tab is allowed to be null.
-  // prop should be one of "title", "badgeText", "popup", or "badgeBackgroundColor".
-  getProperty(tab, prop) {
-    if (tab == null) {
-      return this.defaults[prop];
-    }
-    return this.tabContext.get(tab)[prop];
-  },
-
-  shutdown() {
-    this.tabContext.shutdown();
-    CustomizableUI.destroyWidget(this.id);
-  },
-};
-
-BrowserAction.for = (extension) => {
-  return browserActionMap.get(extension);
-};
-
-global.browserActionFor = BrowserAction.for;
-
-/* eslint-disable mozilla/balanced-listeners */
-extensions.on("manifest_browser_action", (type, directive, extension, manifest) => {
-  let browserAction = new BrowserAction(manifest.browser_action, extension);
-  browserAction.build();
-  browserActionMap.set(extension, browserAction);
-});
-
-extensions.on("shutdown", (type, extension) => {
-  if (browserActionMap.has(extension)) {
-    browserActionMap.get(extension).shutdown();
-    browserActionMap.delete(extension);
-  }
-});
-/* eslint-enable mozilla/balanced-listeners */
-
-extensions.registerSchemaAPI("browserAction", "addon_parent", context => {
-  let {extension} = context;
-  return {
-    browserAction: {
-      onClicked: new EventManager(context, "browserAction.onClicked", fire => {
-        let listener = () => {
-          let tab = TabManager.activeTab;
-          fire(TabManager.convert(extension, tab));
-        };
-        BrowserAction.for(extension).on("click", listener);
-        return () => {
-          BrowserAction.for(extension).off("click", listener);
-        };
-      }).api(),
-
-      enable: function(tabId) {
-        let tab = tabId !== null ? TabManager.getTab(tabId, context) : null;
-        BrowserAction.for(extension).setProperty(tab, "enabled", true);
-      },
-
-      disable: function(tabId) {
-        let tab = tabId !== null ? TabManager.getTab(tabId, context) : null;
-        BrowserAction.for(extension).setProperty(tab, "enabled", false);
-      },
-
-      setTitle: function(details) {
-        let tab = details.tabId !== null ? TabManager.getTab(details.tabId, context) : null;
-
-        let title = details.title;
-        // Clear the tab-specific title when given a null string.
-        if (tab && title == "") {
-          title = null;
-        }
-        BrowserAction.for(extension).setProperty(tab, "title", title);
-      },
-
-      getTitle: function(details) {
-        let tab = details.tabId !== null ? TabManager.getTab(details.tabId, context) : null;
-
-        let title = BrowserAction.for(extension).getProperty(tab, "title");
-        return Promise.resolve(title);
-      },
-
-      setIcon: function(details) {
-        let tab = details.tabId !== null ? TabManager.getTab(details.tabId, context) : null;
-
-        let icon = IconDetails.normalize(details, extension, context);
-        BrowserAction.for(extension).setProperty(tab, "icon", icon);
-      },
-
-      setBadgeText: function(details) {
-        let tab = details.tabId !== null ? TabManager.getTab(details.tabId, context) : null;
-
-        BrowserAction.for(extension).setProperty(tab, "badgeText", details.text);
-      },
-
-      getBadgeText: function(details) {
-        let tab = details.tabId !== null ? TabManager.getTab(details.tabId, context) : null;
-
-        let text = BrowserAction.for(extension).getProperty(tab, "badgeText");
-        return Promise.resolve(text);
-      },
-
-      setPopup: function(details) {
-        let tab = details.tabId !== null ? TabManager.getTab(details.tabId, context) : null;
-
-        // Note: Chrome resolves arguments to setIcon relative to the calling
-        // context, but resolves arguments to setPopup relative to the extension
-        // root.
-        // For internal consistency, we currently resolve both relative to the
-        // calling context.
-        let url = details.popup && context.uri.resolve(details.popup);
-        if (url && !context.checkLoadURL(url)) {
-          return Promise.reject({message: `Access denied for URL ${url}`});
-        }
-        BrowserAction.for(extension).setProperty(tab, "popup", url);
-      },
-
-      getPopup: function(details) {
-        let tab = details.tabId !== null ? TabManager.getTab(details.tabId, context) : null;
-
-        let popup = BrowserAction.for(extension).getProperty(tab, "popup");
-        return Promise.resolve(popup);
-      },
-
-      setBadgeBackgroundColor: function(details) {
-        let tab = details.tabId !== null ? TabManager.getTab(details.tabId, context) : null;
-        let color = details.color;
-        if (!Array.isArray(color)) {
-          let col = DOMUtils.colorToRGBA(color);
-          color = col && [col.r, col.g, col.b, Math.round(col.a * 255)];
-        }
-        BrowserAction.for(extension).setProperty(tab, "badgeBackgroundColor", color);
-      },
-
-      getBadgeBackgroundColor: function(details, callback) {
-        let tab = details.tabId !== null ? TabManager.getTab(details.tabId, context) : null;
-
-        let color = BrowserAction.for(extension).getProperty(tab, "badgeBackgroundColor");
-        return Promise.resolve(color || [0xd9, 0, 0, 255]);
-      },
-    },
-  };
-});
diff --git a/application/basilisk/components/webextensions/ext-c-contextMenus.js b/application/basilisk/components/webextensions/ext-c-contextMenus.js
deleted file mode 100644
index 9fde90808..000000000
--- a/application/basilisk/components/webextensions/ext-c-contextMenus.js
+++ /dev/null
@@ -1,158 +0,0 @@
-/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
-/* vim: set sts=2 sw=2 et tw=80: */
-"use strict";
-
-// If id is not specified for an item we use an integer.
-// This ID need only be unique within a single addon. Since all addon code that
-// can use this API runs in the same process, this local variable suffices.
-var gNextMenuItemID = 0;
-
-// Map[Extension -> Map[string or id, ContextMenusClickPropHandler]]
-var gPropHandlers = new Map();
-
-// The contextMenus API supports an "onclick" attribute in the create/update
-// methods to register a callback. This class manages these onclick properties.
-class ContextMenusClickPropHandler {
-  constructor(context) {
-    this.context = context;
-    // Map[string or integer -> callback]
-    this.onclickMap = new Map();
-    this.dispatchEvent = this.dispatchEvent.bind(this);
-  }
-
-  // A listener on contextMenus.onClicked that forwards the event to the only
-  // listener, if any.
-  dispatchEvent(info, tab) {
-    let onclick = this.onclickMap.get(info.menuItemId);
-    if (onclick) {
-      // No need for runSafe or anything because we are already being run inside
-      // an event handler -- the event is just being forwarded to the actual
-      // handler.
-      onclick(info, tab);
-    }
-  }
-
-  // Sets the `onclick` handler for the given menu item.
-  // The `onclick` function MUST be owned by `this.context`.
-  setListener(id, onclick) {
-    if (this.onclickMap.size === 0) {
-      this.context.childManager.getParentEvent("contextMenus.onClicked").addListener(this.dispatchEvent);
-      this.context.callOnClose(this);
-    }
-    this.onclickMap.set(id, onclick);
-
-    let propHandlerMap = gPropHandlers.get(this.context.extension);
-    if (!propHandlerMap) {
-      propHandlerMap = new Map();
-    } else {
-      // If the current callback was created in a different context, remove it
-      // from the other context.
-      let propHandler = propHandlerMap.get(id);
-      if (propHandler && propHandler !== this) {
-        propHandler.unsetListener(id);
-      }
-    }
-    propHandlerMap.set(id, this);
-    gPropHandlers.set(this.context.extension, propHandlerMap);
-  }
-
-  // Deletes the `onclick` handler for the given menu item.
-  // The `onclick` function MUST be owned by `this.context`.
-  unsetListener(id) {
-    if (!this.onclickMap.delete(id)) {
-      return;
-    }
-    if (this.onclickMap.size === 0) {
-      this.context.childManager.getParentEvent("contextMenus.onClicked").removeListener(this.dispatchEvent);
-      this.context.forgetOnClose(this);
-    }
-    let propHandlerMap = gPropHandlers.get(this.context.extension);
-    propHandlerMap.delete(id);
-    if (propHandlerMap.size === 0) {
-      gPropHandlers.delete(this.context.extension);
-    }
-  }
-
-  // Deletes the `onclick` handler for the given menu item, if any, regardless
-  // of the context where it was created.
-  unsetListenerFromAnyContext(id) {
-    let propHandlerMap = gPropHandlers.get(this.context.extension);
-    let propHandler = propHandlerMap && propHandlerMap.get(id);
-    if (propHandler) {
-      propHandler.unsetListener(id);
-    }
-  }
-
-  // Remove all `onclick` handlers of the extension.
-  deleteAllListenersFromExtension() {
-    let propHandlerMap = gPropHandlers.get(this.context.extension);
-    if (propHandlerMap) {
-      for (let [id, propHandler] of propHandlerMap) {
-        propHandler.unsetListener(id);
-      }
-    }
-  }
-
-  // Removes all `onclick` handlers from this context.
-  close() {
-    for (let id of this.onclickMap.keys()) {
-      this.unsetListener(id);
-    }
-  }
-}
-
-extensions.registerSchemaAPI("contextMenus", "addon_child", context => {
-  let onClickedProp = new ContextMenusClickPropHandler(context);
-
-  return {
-    contextMenus: {
-      create(createProperties, callback) {
-        if (createProperties.id === null) {
-          createProperties.id = ++gNextMenuItemID;
-        }
-        let {onclick} = createProperties;
-        delete createProperties.onclick;
-        context.childManager.callParentAsyncFunction("contextMenus.createInternal", [
-          createProperties,
-        ]).then(() => {
-          if (onclick) {
-            onClickedProp.setListener(createProperties.id, onclick);
-          }
-          if (callback) {
-            callback();
-          }
-        });
-        return createProperties.id;
-      },
-
-      update(id, updateProperties) {
-        let {onclick} = updateProperties;
-        delete updateProperties.onclick;
-        return context.childManager.callParentAsyncFunction("contextMenus.update", [
-          id,
-          updateProperties,
-        ]).then(() => {
-          if (onclick) {
-            onClickedProp.setListener(id, onclick);
-          } else if (onclick === null) {
-            onClickedProp.unsetListenerFromAnyContext(id);
-          }
-          // else onclick is not set so it should not be changed.
-        });
-      },
-
-      remove(id) {
-        onClickedProp.unsetListenerFromAnyContext(id);
-        return context.childManager.callParentAsyncFunction("contextMenus.remove", [
-          id,
-        ]);
-      },
-
-      removeAll() {
-        onClickedProp.deleteAllListenersFromExtension();
-
-        return context.childManager.callParentAsyncFunction("contextMenus.removeAll", []);
-      },
-    },
-  };
-});
diff --git a/application/basilisk/components/webextensions/ext-c-omnibox.js b/application/basilisk/components/webextensions/ext-c-omnibox.js
deleted file mode 100644
index 3b9b6e2f7..000000000
--- a/application/basilisk/components/webextensions/ext-c-omnibox.js
+++ /dev/null
@@ -1,32 +0,0 @@
-/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
-/* vim: set sts=2 sw=2 et tw=80: */
-"use strict";
-
-Cu.import("resource://gre/modules/ExtensionUtils.jsm");
-
-var {
-  runSafeSyncWithoutClone,
-  SingletonEventManager,
-} = ExtensionUtils;
-
-extensions.registerSchemaAPI("omnibox", "addon_child", context => {
-  return {
-    omnibox: {
-      onInputChanged: new SingletonEventManager(context, "omnibox.onInputChanged", fire => {
-        let listener = (text, id) => {
-          runSafeSyncWithoutClone(fire, text, suggestions => {
-            // TODO: Switch to using callParentFunctionNoReturn once bug 1314903 is fixed.
-            context.childManager.callParentAsyncFunction("omnibox_internal.addSuggestions", [
-              id,
-              suggestions,
-            ]);
-          });
-        };
-        context.childManager.getParentEvent("omnibox_internal.onInputChanged").addListener(listener);
-        return () => {
-          context.childManager.getParentEvent("omnibox_internal.onInputChanged").removeListener(listener);
-        };
-      }).api(),
-    },
-  };
-});
diff --git a/application/basilisk/components/webextensions/ext-c-tabs.js b/application/basilisk/components/webextensions/ext-c-tabs.js
deleted file mode 100644
index d5ce9fbf9..000000000
--- a/application/basilisk/components/webextensions/ext-c-tabs.js
+++ /dev/null
@@ -1,35 +0,0 @@
-/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
-/* vim: set sts=2 sw=2 et tw=80: */
-"use strict";
-
-extensions.registerSchemaAPI("tabs", "addon_child", context => {
-  return {
-    tabs: {
-      connect: function(tabId, connectInfo) {
-        let name = "";
-        if (connectInfo && connectInfo.name !== null) {
-          name = connectInfo.name;
-        }
-        let recipient = {
-          extensionId: context.extension.id,
-          tabId,
-        };
-        if (connectInfo && connectInfo.frameId !== null) {
-          recipient.frameId = connectInfo.frameId;
-        }
-        return context.messenger.connect(context.messageManager, name, recipient);
-      },
-
-      sendMessage: function(tabId, message, options, responseCallback) {
-        let recipient = {
-          extensionId: context.extension.id,
-          tabId: tabId,
-        };
-        if (options && options.frameId !== null) {
-          recipient.frameId = options.frameId;
-        }
-        return context.messenger.sendMessage(context.messageManager, message, recipient, responseCallback);
-      },
-    },
-  };
-});
diff --git a/application/basilisk/components/webextensions/ext-commands.js b/application/basilisk/components/webextensions/ext-commands.js
deleted file mode 100644
index b6e7ab3d1..000000000
--- a/application/basilisk/components/webextensions/ext-commands.js
+++ /dev/null
@@ -1,264 +0,0 @@
-/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
-/* vim: set sts=2 sw=2 et tw=80: */
-"use strict";
-
-Cu.import("resource://devtools/shared/event-emitter.js");
-Cu.import("resource://gre/modules/ExtensionUtils.jsm");
-
-var {
-  EventManager,
-  PlatformInfo,
-} = ExtensionUtils;
-
-const XUL_NS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
-
-// WeakMap[Extension -> CommandList]
-var commandsMap = new WeakMap();
-
-function CommandList(manifest, extension) {
-  this.extension = extension;
-  this.id = makeWidgetId(extension.id);
-  this.windowOpenListener = null;
-
-  // Map[{String} commandName -> {Object} commandProperties]
-  this.commands = this.loadCommandsFromManifest(manifest);
-
-  // WeakMap[Window -> <xul:keyset>]
-  this.keysetsMap = new WeakMap();
-
-  this.register();
-  EventEmitter.decorate(this);
-}
-
-CommandList.prototype = {
-  /**
-   * Registers the commands to all open windows and to any which
-   * are later created.
-   */
-  register() {
-    for (let window of WindowListManager.browserWindows()) {
-      this.registerKeysToDocument(window);
-    }
-
-    this.windowOpenListener = (window) => {
-      if (!this.keysetsMap.has(window)) {
-        this.registerKeysToDocument(window);
-      }
-    };
-
-    WindowListManager.addOpenListener(this.windowOpenListener);
-  },
-
-  /**
-   * Unregisters the commands from all open windows and stops commands
-   * from being registered to windows which are later created.
-   */
-  unregister() {
-    for (let window of WindowListManager.browserWindows()) {
-      if (this.keysetsMap.has(window)) {
-        this.keysetsMap.get(window).remove();
-      }
-    }
-
-    WindowListManager.removeOpenListener(this.windowOpenListener);
-  },
-
-  /**
-   * Creates a Map from commands for each command in the manifest.commands object.
-   *
-   * @param {Object} manifest The manifest JSON object.
-   * @returns {Map<string, object>}
-   */
-  loadCommandsFromManifest(manifest) {
-    let commands = new Map();
-    // For Windows, chrome.runtime expects 'win' while chrome.commands
-    // expects 'windows'.  We can special case this for now.
-    let os = PlatformInfo.os == "win" ? "windows" : PlatformInfo.os;
-    for (let [name, command] of Object.entries(manifest.commands)) {
-      let suggested_key = command.suggested_key || {};
-      let shortcut = suggested_key[os] || suggested_key.default;
-      shortcut = shortcut ? shortcut.replace(/\s+/g, "") : null;
-      commands.set(name, {
-        description: command.description,
-        shortcut,
-      });
-    }
-    return commands;
-  },
-
-  /**
-   * Registers the commands to a document.
-   * @param {ChromeWindow} window The XUL window to insert the Keyset.
-   */
-  registerKeysToDocument(window) {
-    let doc = window.document;
-    let keyset = doc.createElementNS(XUL_NS, "keyset");
-    keyset.id = `ext-keyset-id-${this.id}`;
-    this.commands.forEach((command, name) => {
-      if (command.shortcut) {
-        let keyElement = this.buildKey(doc, name, command.shortcut);
-        keyset.appendChild(keyElement);
-      }
-    });
-    doc.documentElement.appendChild(keyset);
-    this.keysetsMap.set(window, keyset);
-  },
-
-  /**
-   * Builds a XUL Key element and attaches an onCommand listener which
-   * emits a command event with the provided name when fired.
-   *
-   * @param {Document} doc The XUL document.
-   * @param {string} name The name of the command.
-   * @param {string} shortcut The shortcut provided in the manifest.
-   * @see https://developer.mozilla.org/en-US/docs/Mozilla/Tech/XUL/key
-   *
-   * @returns {Document} The newly created Key element.
-   */
-  buildKey(doc, name, shortcut) {
-    let keyElement = this.buildKeyFromShortcut(doc, shortcut);
-
-    // We need to have the attribute "oncommand" for the "command" listener to fire,
-    // and it is currently ignored when set to the empty string.
-    keyElement.setAttribute("oncommand", "//");
-
-    /* eslint-disable mozilla/balanced-listeners */
-    // We remove all references to the key elements when the extension is shutdown,
-    // therefore the listeners for these elements will be garbage collected.
-    keyElement.addEventListener("command", (event) => {
-      if (name == "_execute_page_action") {
-        let win = event.target.ownerDocument.defaultView;
-        pageActionFor(this.extension).triggerAction(win);
-      } else if (name == "_execute_browser_action") {
-        let win = event.target.ownerDocument.defaultView;
-        browserActionFor(this.extension).triggerAction(win);
-      } else {
-        TabManager.for(this.extension)
-                  .addActiveTabPermission(TabManager.activeTab);
-        this.emit("command", name);
-      }
-    });
-    /* eslint-enable mozilla/balanced-listeners */
-
-    return keyElement;
-  },
-
-  /**
-   * Builds a XUL Key element from the provided shortcut.
-   *
-   * @param {Document} doc The XUL document.
-   * @param {string} shortcut The shortcut provided in the manifest.
-   *
-   * @see https://developer.mozilla.org/en-US/docs/Mozilla/Tech/XUL/key
-   * @returns {Document} The newly created Key element.
-   */
-  buildKeyFromShortcut(doc, shortcut) {
-    let keyElement = doc.createElementNS(XUL_NS, "key");
-
-    let parts = shortcut.split("+");
-
-    // The key is always the last element.
-    let chromeKey = parts.pop();
-
-    // The modifiers are the remaining elements.
-    keyElement.setAttribute("modifiers", this.getModifiersAttribute(parts));
-
-    if (/^[A-Z]$/.test(chromeKey)) {
-      // We use the key attribute for all single digits and characters.
-      keyElement.setAttribute("key", chromeKey);
-    } else {
-      keyElement.setAttribute("keycode", this.getKeycodeAttribute(chromeKey));
-      keyElement.setAttribute("event", "keydown");
-    }
-
-    return keyElement;
-  },
-
-  /**
-   * Determines the corresponding XUL keycode from the given chrome key.
-   *
-   * For example:
-   *
-   *    input     |  output
-   *    ---------------------------------------
-   *    "PageUP"  |  "VK_PAGE_UP"
-   *    "Delete"  |  "VK_DELETE"
-   *
-   * @param {string} chromeKey The chrome key (e.g. "PageUp", "Space", ...)
-   * @returns {string} The constructed value for the Key's 'keycode' attribute.
-   */
-  getKeycodeAttribute(chromeKey) {
-    if (/[0-9]/.test(chromeKey)) {
-      return `VK_${chromeKey}`;
-    }
-    return `VK${chromeKey.replace(/([A-Z])/g, "_$&").toUpperCase()}`;
-  },
-
-  /**
-   * Determines the corresponding XUL modifiers from the chrome modifiers.
-   *
-   * For example:
-   *
-   *    input             |   output
-   *    ---------------------------------------
-   *    ["Ctrl", "Shift"] |   "accel shift"
-   *    ["MacCtrl"]       |   "control"
-   *
-   * @param {Array} chromeModifiers The array of chrome modifiers.
-   * @returns {string} The constructed value for the Key's 'modifiers' attribute.
-   */
-  getModifiersAttribute(chromeModifiers) {
-    let modifiersMap = {
-      "Alt": "alt",
-      "Command": "accel",
-      "Ctrl": "accel",
-      "MacCtrl": "control",
-      "Shift": "shift",
-    };
-    return Array.from(chromeModifiers, modifier => {
-      return modifiersMap[modifier];
-    }).join(" ");
-  },
-};
-
-
-/* eslint-disable mozilla/balanced-listeners */
-extensions.on("manifest_commands", (type, directive, extension, manifest) => {
-  commandsMap.set(extension, new CommandList(manifest, extension));
-});
-
-extensions.on("shutdown", (type, extension) => {
-  let commandsList = commandsMap.get(extension);
-  if (commandsList) {
-    commandsList.unregister();
-    commandsMap.delete(extension);
-  }
-});
-/* eslint-enable mozilla/balanced-listeners */
-
-extensions.registerSchemaAPI("commands", "addon_parent", context => {
-  let {extension} = context;
-  return {
-    commands: {
-      getAll() {
-        let commands = commandsMap.get(extension).commands;
-        return Promise.resolve(Array.from(commands, ([name, command]) => {
-          return ({
-            name,
-            description: command.description,
-            shortcut: command.shortcut,
-          });
-        }));
-      },
-      onCommand: new EventManager(context, "commands.onCommand", fire => {
-        let listener = (eventName, commandName) => {
-          fire(commandName);
-        };
-        commandsMap.get(extension).on("command", listener);
-        return () => {
-          commandsMap.get(extension).off("command", listener);
-        };
-      }).api(),
-    },
-  };
-});
diff --git a/application/basilisk/components/webextensions/ext-contextMenus.js b/application/basilisk/components/webextensions/ext-contextMenus.js
deleted file mode 100644
index b3bf8aa53..000000000
--- a/application/basilisk/components/webextensions/ext-contextMenus.js
+++ /dev/null
@@ -1,537 +0,0 @@
-/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
-/* vim: set sts=2 sw=2 et tw=80: */
-"use strict";
-
-Cu.import("resource://gre/modules/ExtensionUtils.jsm");
-Cu.import("resource://gre/modules/MatchPattern.jsm");
-Cu.import("resource://gre/modules/Services.jsm");
-Cu.import("resource://gre/modules/XPCOMUtils.jsm");
-
-var {
-  EventManager,
-  ExtensionError,
-  IconDetails,
-} = ExtensionUtils;
-
-// Map[Extension -> Map[ID -> MenuItem]]
-// Note: we want to enumerate all the menu items so
-// this cannot be a weak map.
-var gContextMenuMap = new Map();
-
-// Map[Extension -> MenuItem]
-var gRootItems = new Map();
-
-// If id is not specified for an item we use an integer.
-var gNextMenuItemID = 0;
-
-// Used to assign unique names to radio groups.
-var gNextRadioGroupID = 0;
-
-// The max length of a menu item's label.
-var gMaxLabelLength = 64;
-
-// When a new contextMenu is opened, this function is called and
-// we populate the |xulMenu| with all the items from extensions
-// to be displayed. We always clear all the items again when
-// popuphidden fires.
-var gMenuBuilder = {
-  build: function(contextData) {
-    let xulMenu = contextData.menu;
-    xulMenu.addEventListener("popuphidden", this);
-    this.xulMenu = xulMenu;
-    for (let [, root] of gRootItems) {
-      let rootElement = this.buildElementWithChildren(root, contextData);
-      if (!rootElement.firstChild || !rootElement.firstChild.childNodes.length) {
-        // If the root has no visible children, there is no reason to show
-        // the root menu item itself either.
-        continue;
-      }
-      rootElement.setAttribute("ext-type", "top-level-menu");
-      rootElement = this.removeTopLevelMenuIfNeeded(rootElement);
-
-      // Display the extension icon on the root element.
-      if (root.extension.manifest.icons) {
-        let parentWindow = contextData.menu.ownerGlobal;
-        let extension = root.extension;
-
-        let {icon} = IconDetails.getPreferredIcon(extension.manifest.icons, extension,
-                                                  16 * parentWindow.devicePixelRatio);
-
-        // The extension icons in the manifest are not pre-resolved, since
-        // they're sometimes used by the add-on manager when the extension is
-        // not enabled, and its URLs are not resolvable.
-        let resolvedURL = root.extension.baseURI.resolve(icon);
-
-        if (rootElement.localName == "menu") {
-          rootElement.setAttribute("class", "menu-iconic");
-        } else if (rootElement.localName == "menuitem") {
-          rootElement.setAttribute("class", "menuitem-iconic");
-        }
-        rootElement.setAttribute("image", resolvedURL);
-      }
-
-      xulMenu.appendChild(rootElement);
-      this.itemsToCleanUp.add(rootElement);
-    }
-  },
-
-  buildElementWithChildren(item, contextData) {
-    let element = this.buildSingleElement(item, contextData);
-    let groupName;
-    for (let child of item.children) {
-      if (child.type == "radio" && !child.groupName) {
-        if (!groupName) {
-          groupName = `webext-radio-group-${gNextRadioGroupID++}`;
-        }
-        child.groupName = groupName;
-      } else {
-        groupName = null;
-      }
-
-      if (child.enabledForContext(contextData)) {
-        let childElement = this.buildElementWithChildren(child, contextData);
-        // Here element must be a menu element and its first child
-        // is a menupopup, we have to append its children to this
-        // menupopup.
-        element.firstChild.appendChild(childElement);
-      }
-    }
-
-    return element;
-  },
-
-  removeTopLevelMenuIfNeeded(element) {
-    // If there is only one visible top level element we don't need the
-    // root menu element for the extension.
-    let menuPopup = element.firstChild;
-    if (menuPopup && menuPopup.childNodes.length == 1) {
-      let onlyChild = menuPopup.firstChild;
-      onlyChild.remove();
-      return onlyChild;
-    }
-
-    return element;
-  },
-
-  buildSingleElement(item, contextData) {
-    let doc = contextData.menu.ownerDocument;
-    let element;
-    if (item.children.length > 0) {
-      element = this.createMenuElement(doc, item);
-    } else if (item.type == "separator") {
-      element = doc.createElement("menuseparator");
-    } else {
-      element = doc.createElement("menuitem");
-    }
-
-    return this.customizeElement(element, item, contextData);
-  },
-
-  createMenuElement(doc, item) {
-    let element = doc.createElement("menu");
-    // Menu elements need to have a menupopup child for its menu items.
-    let menupopup = doc.createElement("menupopup");
-    element.appendChild(menupopup);
-    return element;
-  },
-
-  customizeElement(element, item, contextData) {
-    let label = item.title;
-    if (label) {
-      if (contextData.isTextSelected && label.indexOf("%s") > -1) {
-        let selection = contextData.selectionText;
-        // The rendering engine will truncate the title if it's longer than 64 characters.
-        // But if it makes sense let's try truncate selection text only, to handle cases like
-        // 'look up "%s" in MyDictionary' more elegantly.
-        let maxSelectionLength = gMaxLabelLength - label.length + 2;
-        if (maxSelectionLength > 4) {
-          selection = selection.substring(0, maxSelectionLength - 3) + "...";
-        }
-        label = label.replace(/%s/g, selection);
-      }
-
-      element.setAttribute("label", label);
-    }
-
-    if (item.type == "checkbox") {
-      element.setAttribute("type", "checkbox");
-      if (item.checked) {
-        element.setAttribute("checked", "true");
-      }
-    } else if (item.type == "radio") {
-      element.setAttribute("type", "radio");
-      element.setAttribute("name", item.groupName);
-      if (item.checked) {
-        element.setAttribute("checked", "true");
-      }
-    }
-
-    if (!item.enabled) {
-      element.setAttribute("disabled", "true");
-    }
-
-    element.addEventListener("command", event => {  // eslint-disable-line mozilla/balanced-listeners
-      if (event.target !== event.currentTarget) {
-        return;
-      }
-      const wasChecked = item.checked;
-      if (item.type == "checkbox") {
-        item.checked = !item.checked;
-      } else if (item.type == "radio") {
-        // Deselect all radio items in the current radio group.
-        for (let child of item.parent.children) {
-          if (child.type == "radio" && child.groupName == item.groupName) {
-            child.checked = false;
-          }
-        }
-        // Select the clicked radio item.
-        item.checked = true;
-      }
-
-      item.tabManager.addActiveTabPermission();
-
-      let tab = item.tabManager.convert(contextData.tab);
-      let info = item.getClickInfo(contextData, wasChecked);
-      item.extension.emit("webext-contextmenu-menuitem-click", info, tab);
-    });
-
-    return element;
-  },
-
-  handleEvent: function(event) {
-    if (this.xulMenu != event.target || event.type != "popuphidden") {
-      return;
-    }
-
-    delete this.xulMenu;
-    let target = event.target;
-    target.removeEventListener("popuphidden", this);
-    for (let item of this.itemsToCleanUp) {
-      item.remove();
-    }
-    this.itemsToCleanUp.clear();
-  },
-
-  itemsToCleanUp: new Set(),
-};
-
-function contextMenuObserver(subject, topic, data) {
-  subject = subject.wrappedJSObject;
-  gMenuBuilder.build(subject);
-}
-
-function getContexts(contextData) {
-  let contexts = new Set(["all"]);
-
-  if (contextData.inFrame) {
-    contexts.add("frame");
-  }
-
-  if (contextData.isTextSelected) {
-    contexts.add("selection");
-  }
-
-  if (contextData.onLink) {
-    contexts.add("link");
-  }
-
-  if (contextData.onEditableArea) {
-    contexts.add("editable");
-  }
-
-  if (contextData.onImage) {
-    contexts.add("image");
-  }
-
-  if (contextData.onVideo) {
-    contexts.add("video");
-  }
-
-  if (contextData.onAudio) {
-    contexts.add("audio");
-  }
-
-  if (contexts.size == 1) {
-    contexts.add("page");
-  }
-
-  return contexts;
-}
-
-function MenuItem(extension, createProperties, isRoot = false) {
-  this.extension = extension;
-  this.children = [];
-  this.parent = null;
-  this.tabManager = TabManager.for(extension);
-
-  this.setDefaults();
-  this.setProps(createProperties);
-  if (!this.hasOwnProperty("_id")) {
-    this.id = gNextMenuItemID++;
-  }
-  // If the item is not the root and has no parent
-  // it must be a child of the root.
-  if (!isRoot && !this.parent) {
-    this.root.addChild(this);
-  }
-}
-
-MenuItem.prototype = {
-  setProps(createProperties) {
-    for (let propName in createProperties) {
-      if (createProperties[propName] === null) {
-        // Omitted optional argument.
-        continue;
-      }
-      this[propName] = createProperties[propName];
-    }
-
-    if (createProperties.documentUrlPatterns != null) {
-      this.documentUrlMatchPattern = new MatchPattern(this.documentUrlPatterns);
-    }
-
-    if (createProperties.targetUrlPatterns != null) {
-      this.targetUrlMatchPattern = new MatchPattern(this.targetUrlPatterns);
-    }
-  },
-
-  setDefaults() {
-    this.setProps({
-      type: "normal",
-      checked: false,
-      contexts: ["all"],
-      enabled: true,
-    });
-  },
-
-  set id(id) {
-    if (this.hasOwnProperty("_id")) {
-      throw new Error("Id of a MenuItem cannot be changed");
-    }
-    let isIdUsed = gContextMenuMap.get(this.extension).has(id);
-    if (isIdUsed) {
-      throw new Error("Id already exists");
-    }
-    this._id = id;
-  },
-
-  get id() {
-    return this._id;
-  },
-
-  ensureValidParentId(parentId) {
-    if (parentId === undefined) {
-      return;
-    }
-    let menuMap = gContextMenuMap.get(this.extension);
-    if (!menuMap.has(parentId)) {
-      throw new Error("Could not find any MenuItem with id: " + parentId);
-    }
-    for (let item = menuMap.get(parentId); item; item = item.parent) {
-      if (item === this) {
-        throw new ExtensionError("MenuItem cannot be an ancestor (or self) of its new parent.");
-      }
-    }
-  },
-
-  set parentId(parentId) {
-    this.ensureValidParentId(parentId);
-
-    if (this.parent) {
-      this.parent.detachChild(this);
-    }
-
-    if (parentId === undefined) {
-      this.root.addChild(this);
-    } else {
-      let menuMap = gContextMenuMap.get(this.extension);
-      menuMap.get(parentId).addChild(this);
-    }
-  },
-
-  get parentId() {
-    return this.parent ? this.parent.id : undefined;
-  },
-
-  addChild(child) {
-    if (child.parent) {
-      throw new Error("Child MenuItem already has a parent.");
-    }
-    this.children.push(child);
-    child.parent = this;
-  },
-
-  detachChild(child) {
-    let idx = this.children.indexOf(child);
-    if (idx < 0) {
-      throw new Error("Child MenuItem not found, it cannot be removed.");
-    }
-    this.children.splice(idx, 1);
-    child.parent = null;
-  },
-
-  get root() {
-    let extension = this.extension;
-    if (!gRootItems.has(extension)) {
-      let root = new MenuItem(extension,
-                              {title: extension.name},
-                              /* isRoot = */ true);
-      gRootItems.set(extension, root);
-    }
-
-    return gRootItems.get(extension);
-  },
-
-  remove() {
-    if (this.parent) {
-      this.parent.detachChild(this);
-    }
-    let children = this.children.slice(0);
-    for (let child of children) {
-      child.remove();
-    }
-
-    let menuMap = gContextMenuMap.get(this.extension);
-    menuMap.delete(this.id);
-    if (this.root == this) {
-      gRootItems.delete(this.extension);
-    }
-  },
-
-  getClickInfo(contextData, wasChecked) {
-    let mediaType;
-    if (contextData.onVideo) {
-      mediaType = "video";
-    }
-    if (contextData.onAudio) {
-      mediaType = "audio";
-    }
-    if (contextData.onImage) {
-      mediaType = "image";
-    }
-
-    let info = {
-      menuItemId: this.id,
-      editable: contextData.onEditableArea,
-    };
-
-    function setIfDefined(argName, value) {
-      if (value !== undefined) {
-        info[argName] = value;
-      }
-    }
-
-    setIfDefined("parentMenuItemId", this.parentId);
-    setIfDefined("mediaType", mediaType);
-    setIfDefined("linkUrl", contextData.linkUrl);
-    setIfDefined("srcUrl", contextData.srcUrl);
-    setIfDefined("pageUrl", contextData.pageUrl);
-    setIfDefined("frameUrl", contextData.frameUrl);
-    setIfDefined("selectionText", contextData.selectionText);
-
-    if ((this.type === "checkbox") || (this.type === "radio")) {
-      info.checked = this.checked;
-      info.wasChecked = wasChecked;
-    }
-
-    return info;
-  },
-
-  enabledForContext(contextData) {
-    let contexts = getContexts(contextData);
-    if (!this.contexts.some(n => contexts.has(n))) {
-      return false;
-    }
-
-    let docPattern = this.documentUrlMatchPattern;
-    let pageURI = Services.io.newURI(contextData.pageUrl, null, null);
-    if (docPattern && !docPattern.matches(pageURI)) {
-      return false;
-    }
-
-    let targetPattern = this.targetUrlMatchPattern;
-    if (targetPattern) {
-      let targetUrls = [];
-      if (contextData.onImage || contextData.onAudio || contextData.onVideo) {
-        // TODO: double check if srcUrl is always set when we need it
-        targetUrls.push(contextData.srcUrl);
-      }
-      if (contextData.onLink) {
-        targetUrls.push(contextData.linkUrl);
-      }
-      if (!targetUrls.some(targetUrl => targetPattern.matches(NetUtil.newURI(targetUrl)))) {
-        return false;
-      }
-    }
-
-    return true;
-  },
-};
-
-var gExtensionCount = 0;
-/* eslint-disable mozilla/balanced-listeners */
-extensions.on("startup", (type, extension) => {
-  gContextMenuMap.set(extension, new Map());
-  if (++gExtensionCount == 1) {
-    Services.obs.addObserver(contextMenuObserver,
-                             "on-build-contextmenu",
-                             false);
-  }
-});
-
-extensions.on("shutdown", (type, extension) => {
-  gContextMenuMap.delete(extension);
-  gRootItems.delete(extension);
-  if (--gExtensionCount == 0) {
-    Services.obs.removeObserver(contextMenuObserver,
-                                "on-build-contextmenu");
-  }
-});
-/* eslint-enable mozilla/balanced-listeners */
-
-extensions.registerSchemaAPI("contextMenus", "addon_parent", context => {
-  let {extension} = context;
-  return {
-    contextMenus: {
-      createInternal: function(createProperties) {
-        // Note that the id is required by the schema. If the addon did not set
-        // it, the implementation of contextMenus.create in the child should
-        // have added it.
-        let menuItem = new MenuItem(extension, createProperties);
-        gContextMenuMap.get(extension).set(menuItem.id, menuItem);
-      },
-
-      update: function(id, updateProperties) {
-        let menuItem = gContextMenuMap.get(extension).get(id);
-        if (menuItem) {
-          menuItem.setProps(updateProperties);
-        }
-      },
-
-      remove: function(id) {
-        let menuItem = gContextMenuMap.get(extension).get(id);
-        if (menuItem) {
-          menuItem.remove();
-        }
-      },
-
-      removeAll: function() {
-        let root = gRootItems.get(extension);
-        if (root) {
-          root.remove();
-        }
-      },
-
-      onClicked: new EventManager(context, "contextMenus.onClicked", fire => {
-        let listener = (event, info, tab) => {
-          fire(info, tab);
-        };
-
-        extension.on("webext-contextmenu-menuitem-click", listener);
-        return () => {
-          extension.off("webext-contextmenu-menuitem-click", listener);
-        };
-      }).api(),
-    },
-  };
-});
diff --git a/application/basilisk/components/webextensions/ext-desktop-runtime.js b/application/basilisk/components/webextensions/ext-desktop-runtime.js
deleted file mode 100644
index 0fdb45562..000000000
--- a/application/basilisk/components/webextensions/ext-desktop-runtime.js
+++ /dev/null
@@ -1,26 +0,0 @@
-"use strict";
-
-/* eslint-disable mozilla/balanced-listeners */
-extensions.on("uninstall", (msg, extension) => {
-  if (extension.uninstallURL) {
-    let browser = WindowManager.topWindow.gBrowser;
-    browser.addTab(extension.uninstallURL, {relatedToCurrent: true});
-  }
-});
-
-global.openOptionsPage = (extension) => {
-  let window = WindowManager.topWindow;
-  if (!window) {
-    return Promise.reject({message: "No browser window available"});
-  }
-
-  if (extension.manifest.options_ui.open_in_tab) {
-    window.switchToTabHavingURI(extension.manifest.options_ui.page, true);
-    return Promise.resolve();
-  }
-
-  let viewId = `addons://detail/${encodeURIComponent(extension.id)}/preferences`;
-
-  return window.BrowserOpenAddonsMgr(viewId);
-};
-
diff --git a/application/basilisk/components/webextensions/ext-history.js b/application/basilisk/components/webextensions/ext-history.js
deleted file mode 100644
index a47df1621..000000000
--- a/application/basilisk/components/webextensions/ext-history.js
+++ /dev/null
@@ -1,246 +0,0 @@
-/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
-/* vim: set sts=2 sw=2 et tw=80: */
-"use strict";
-
-const {classes: Cc, interfaces: Ci, utils: Cu} = Components;
-
-Cu.import("resource://gre/modules/ExtensionUtils.jsm");
-
-XPCOMUtils.defineLazyModuleGetter(this, "EventEmitter",
-                                  "resource://devtools/shared/event-emitter.js");
-XPCOMUtils.defineLazyModuleGetter(this, "NetUtil",
-                                  "resource://gre/modules/NetUtil.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "PlacesUtils",
-                                  "resource://gre/modules/PlacesUtils.jsm");
-
-const {
-  normalizeTime,
-  SingletonEventManager,
-} = ExtensionUtils;
-
-let nsINavHistoryService = Ci.nsINavHistoryService;
-const TRANSITION_TO_TRANSITION_TYPES_MAP = new Map([
-  ["link", nsINavHistoryService.TRANSITION_LINK],
-  ["typed", nsINavHistoryService.TRANSITION_TYPED],
-  ["auto_bookmark", nsINavHistoryService.TRANSITION_BOOKMARK],
-  ["auto_subframe", nsINavHistoryService.TRANSITION_EMBED],
-  ["manual_subframe", nsINavHistoryService.TRANSITION_FRAMED_LINK],
-]);
-
-let TRANSITION_TYPE_TO_TRANSITIONS_MAP = new Map();
-for (let [transition, transitionType] of TRANSITION_TO_TRANSITION_TYPES_MAP) {
-  TRANSITION_TYPE_TO_TRANSITIONS_MAP.set(transitionType, transition);
-}
-
-function getTransitionType(transition) {
-  // cannot set a default value for the transition argument as the framework sets it to null
-  transition = transition || "link";
-  let transitionType = TRANSITION_TO_TRANSITION_TYPES_MAP.get(transition);
-  if (!transitionType) {
-    throw new Error(`|${transition}| is not a supported transition for history`);
-  }
-  return transitionType;
-}
-
-function getTransition(transitionType) {
-  return TRANSITION_TYPE_TO_TRANSITIONS_MAP.get(transitionType) || "link";
-}
-
-/*
- * Converts a nsINavHistoryResultNode into a HistoryItem
- *
- * https://developer.mozilla.org/en-US/docs/XPCOM_Interface_Reference/nsINavHistoryResultNode
- */
-function convertNodeToHistoryItem(node) {
-  return {
-    id: node.pageGuid,
-    url: node.uri,
-    title: node.title,
-    lastVisitTime: PlacesUtils.toDate(node.time).getTime(),
-    visitCount: node.accessCount,
-  };
-}
-
-/*
- * Converts a nsINavHistoryResultNode into a VisitItem
- *
- * https://developer.mozilla.org/en-US/docs/XPCOM_Interface_Reference/nsINavHistoryResultNode
- */
-function convertNodeToVisitItem(node) {
-  return {
-    id: node.pageGuid,
-    visitId: node.visitId,
-    visitTime: PlacesUtils.toDate(node.time).getTime(),
-    referringVisitId: node.fromVisitId,
-    transition: getTransition(node.visitType),
-  };
-}
-
-/*
- * Converts a nsINavHistoryContainerResultNode into an array of objects
- *
- * https://developer.mozilla.org/en-US/docs/XPCOM_Interface_Reference/nsINavHistoryContainerResultNode
- */
-function convertNavHistoryContainerResultNode(container, converter) {
-  let results = [];
-  container.containerOpen = true;
-  for (let i = 0; i < container.childCount; i++) {
-    let node = container.getChild(i);
-    results.push(converter(node));
-  }
-  container.containerOpen = false;
-  return results;
-}
-
-var _observer;
-
-function getObserver() {
-  if (!_observer) {
-    _observer = {
-      onDeleteURI: function(uri, guid, reason) {
-        this.emit("visitRemoved", {allHistory: false, urls: [uri.spec]});
-      },
-      onVisit: function(uri, visitId, time, sessionId, referringId, transitionType, guid, hidden, visitCount, typed) {
-        let data = {
-          id: guid,
-          url: uri.spec,
-          title: "",
-          lastVisitTime: time / 1000,  // time from Places is microseconds,
-          visitCount,
-          typedCount: typed,
-        };
-        this.emit("visited", data);
-      },
-      onBeginUpdateBatch: function() {},
-      onEndUpdateBatch: function() {},
-      onTitleChanged: function() {},
-      onClearHistory: function() {
-        this.emit("visitRemoved", {allHistory: true, urls: []});
-      },
-      onPageChanged: function() {},
-      onFrecencyChanged: function() {},
-      onManyFrecenciesChanged: function() {},
-      onDeleteVisits: function(uri, time, guid, reason) {
-        this.emit("visitRemoved", {allHistory: false, urls: [uri.spec]});
-      },
-    };
-    EventEmitter.decorate(_observer);
-    PlacesUtils.history.addObserver(_observer, false);
-  }
-  return _observer;
-}
-
-extensions.registerSchemaAPI("history", "addon_parent", context => {
-  return {
-    history: {
-      addUrl: function(details) {
-        let transition, date;
-        try {
-          transition = getTransitionType(details.transition);
-        } catch (error) {
-          return Promise.reject({message: error.message});
-        }
-        if (details.visitTime) {
-          date = normalizeTime(details.visitTime);
-        }
-        let pageInfo = {
-          title: details.title,
-          url: details.url,
-          visits: [
-            {
-              transition,
-              date,
-            },
-          ],
-        };
-        try {
-          return PlacesUtils.history.insert(pageInfo).then(() => undefined);
-        } catch (error) {
-          return Promise.reject({message: error.message});
-        }
-      },
-
-      deleteAll: function() {
-        return PlacesUtils.history.clear();
-      },
-
-      deleteRange: function(filter) {
-        let newFilter = {
-          beginDate: normalizeTime(filter.startTime),
-          endDate: normalizeTime(filter.endTime),
-        };
-        // History.removeVisitsByFilter returns a boolean, but our API should return nothing
-        return PlacesUtils.history.removeVisitsByFilter(newFilter).then(() => undefined);
-      },
-
-      deleteUrl: function(details) {
-        let url = details.url;
-        // History.remove returns a boolean, but our API should return nothing
-        return PlacesUtils.history.remove(url).then(() => undefined);
-      },
-
-      search: function(query) {
-        let beginTime = (query.startTime == null) ?
-                          PlacesUtils.toPRTime(Date.now() - 24 * 60 * 60 * 1000) :
-                          PlacesUtils.toPRTime(normalizeTime(query.startTime));
-        let endTime = (query.endTime == null) ?
-                        Number.MAX_VALUE :
-                        PlacesUtils.toPRTime(normalizeTime(query.endTime));
-        if (beginTime > endTime) {
-          return Promise.reject({message: "The startTime cannot be after the endTime"});
-        }
-
-        let options = PlacesUtils.history.getNewQueryOptions();
-        options.sortingMode = options.SORT_BY_DATE_DESCENDING;
-        options.maxResults = query.maxResults || 100;
-
-        let historyQuery = PlacesUtils.history.getNewQuery();
-        historyQuery.searchTerms = query.text;
-        historyQuery.beginTime = beginTime;
-        historyQuery.endTime = endTime;
-        let queryResult = PlacesUtils.history.executeQuery(historyQuery, options).root;
-        let results = convertNavHistoryContainerResultNode(queryResult, convertNodeToHistoryItem);
-        return Promise.resolve(results);
-      },
-
-      getVisits: function(details) {
-        let url = details.url;
-        if (!url) {
-          return Promise.reject({message: "A URL must be provided for getVisits"});
-        }
-
-        let options = PlacesUtils.history.getNewQueryOptions();
-        options.sortingMode = options.SORT_BY_DATE_DESCENDING;
-        options.resultType = options.RESULTS_AS_VISIT;
-
-        let historyQuery = PlacesUtils.history.getNewQuery();
-        historyQuery.uri = NetUtil.newURI(url);
-        let queryResult = PlacesUtils.history.executeQuery(historyQuery, options).root;
-        let results = convertNavHistoryContainerResultNode(queryResult, convertNodeToVisitItem);
-        return Promise.resolve(results);
-      },
-
-      onVisited: new SingletonEventManager(context, "history.onVisited", fire => {
-        let listener = (event, data) => {
-          context.runSafe(fire, data);
-        };
-
-        getObserver().on("visited", listener);
-        return () => {
-          getObserver().off("visited", listener);
-        };
-      }).api(),
-
-      onVisitRemoved: new SingletonEventManager(context, "history.onVisitRemoved", fire => {
-        let listener = (event, data) => {
-          context.runSafe(fire, data);
-        };
-
-        getObserver().on("visitRemoved", listener);
-        return () => {
-          getObserver().off("visitRemoved", listener);
-        };
-      }).api(),
-    },
-  };
-});
diff --git a/application/basilisk/components/webextensions/ext-omnibox.js b/application/basilisk/components/webextensions/ext-omnibox.js
deleted file mode 100644
index 9b2f60ca4..000000000
--- a/application/basilisk/components/webextensions/ext-omnibox.js
+++ /dev/null
@@ -1,104 +0,0 @@
-/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
-/* vim: set sts=2 sw=2 et tw=80: */
-"use strict";
-
-Cu.import("resource://gre/modules/ExtensionUtils.jsm");
-
-XPCOMUtils.defineLazyModuleGetter(this, "ExtensionSearchHandler",
-                                  "resource://gre/modules/ExtensionSearchHandler.jsm");
-var {
-  SingletonEventManager,
-} = ExtensionUtils;
-
-// WeakMap[extension -> keyword]
-let gKeywordMap = new WeakMap();
-
-/* eslint-disable mozilla/balanced-listeners */
-extensions.on("manifest_omnibox", (type, directive, extension, manifest) => {
-  let keyword = manifest.omnibox.keyword;
-  try {
-    // This will throw if the keyword is already registered.
-    ExtensionSearchHandler.registerKeyword(keyword, extension);
-    gKeywordMap.set(extension, keyword);
-  } catch (e) {
-    extension.manifestError(e.message);
-  }
-});
-
-extensions.on("shutdown", (type, extension) => {
-  let keyword = gKeywordMap.get(extension);
-  if (keyword) {
-    ExtensionSearchHandler.unregisterKeyword(keyword);
-    gKeywordMap.delete(extension);
-  }
-});
-/* eslint-enable mozilla/balanced-listeners */
-
-extensions.registerSchemaAPI("omnibox", "addon_parent", context => {
-  let {extension} = context;
-  return {
-    omnibox: {
-      setDefaultSuggestion(suggestion) {
-        let keyword = gKeywordMap.get(extension);
-        try {
-          // This will throw if the keyword failed to register.
-          ExtensionSearchHandler.setDefaultSuggestion(keyword, suggestion);
-        } catch (e) {
-          return Promise.reject(e.message);
-        }
-      },
-
-      onInputStarted: new SingletonEventManager(context, "omnibox.onInputStarted", fire => {
-        let listener = (eventName) => {
-          fire();
-        };
-        extension.on(ExtensionSearchHandler.MSG_INPUT_STARTED, listener);
-        return () => {
-          extension.off(ExtensionSearchHandler.MSG_INPUT_STARTED, listener);
-        };
-      }).api(),
-
-      onInputCancelled: new SingletonEventManager(context, "omnibox.onInputCancelled", fire => {
-        let listener = (eventName) => {
-          fire();
-        };
-        extension.on(ExtensionSearchHandler.MSG_INPUT_CANCELLED, listener);
-        return () => {
-          extension.off(ExtensionSearchHandler.MSG_INPUT_CANCELLED, listener);
-        };
-      }).api(),
-
-      onInputEntered: new SingletonEventManager(context, "omnibox.onInputEntered", fire => {
-        let listener = (eventName, text, disposition) => {
-          fire(text, disposition);
-        };
-        extension.on(ExtensionSearchHandler.MSG_INPUT_ENTERED, listener);
-        return () => {
-          extension.off(ExtensionSearchHandler.MSG_INPUT_ENTERED, listener);
-        };
-      }).api(),
-    },
-
-    omnibox_internal: {
-      addSuggestions(id, suggestions) {
-        let keyword = gKeywordMap.get(extension);
-        try {
-          ExtensionSearchHandler.addSuggestions(keyword, id, suggestions);
-        } catch (e) {
-          // Silently fail because the extension developer can not know for sure if the user
-          // has already invalidated the callback when asynchronously providing suggestions.
-        }
-      },
-
-      onInputChanged: new SingletonEventManager(context, "omnibox_internal.onInputChanged", fire => {
-        let listener = (eventName, text, id) => {
-          fire(text, id);
-        };
-        extension.on(ExtensionSearchHandler.MSG_INPUT_CHANGED, listener);
-        return () => {
-          extension.off(ExtensionSearchHandler.MSG_INPUT_CHANGED, listener);
-        };
-      }).api(),
-    },
-  };
-});
diff --git a/application/basilisk/components/webextensions/ext-pageAction.js b/application/basilisk/components/webextensions/ext-pageAction.js
deleted file mode 100644
index 5bf3a9c70..000000000
--- a/application/basilisk/components/webextensions/ext-pageAction.js
+++ /dev/null
@@ -1,290 +0,0 @@
-/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
-/* vim: set sts=2 sw=2 et tw=80: */
-"use strict";
-
-Cu.import("resource://gre/modules/Task.jsm");
-Cu.import("resource://gre/modules/ExtensionUtils.jsm");
-var {
-  EventManager,
-  IconDetails,
-} = ExtensionUtils;
-
-// WeakMap[Extension -> PageAction]
-var pageActionMap = new WeakMap();
-
-// Handles URL bar icons, including the |page_action| manifest entry
-// and associated API.
-function PageAction(options, extension) {
-  this.extension = extension;
-  this.id = makeWidgetId(extension.id) + "-page-action";
-
-  this.tabManager = TabManager.for(extension);
-
-  this.defaults = {
-    show: false,
-    title: options.default_title || extension.name,
-    icon: IconDetails.normalize({path: options.default_icon}, extension),
-    popup: options.default_popup || "",
-  };
-
-  this.browserStyle = options.browser_style || false;
-  if (options.browser_style === null) {
-    this.extension.logger.warn("Please specify whether you want browser_style " +
-                               "or not in your page_action options.");
-  }
-
-  this.tabContext = new TabContext(tab => Object.create(this.defaults),
-                                   extension);
-
-  this.tabContext.on("location-change", this.handleLocationChange.bind(this)); // eslint-disable-line mozilla/balanced-listeners
-
-  // WeakMap[ChromeWindow -> <xul:image>]
-  this.buttons = new WeakMap();
-
-  EventEmitter.decorate(this);
-}
-
-PageAction.prototype = {
-  // Returns the value of the property |prop| for the given tab, where
-  // |prop| is one of "show", "title", "icon", "popup".
-  getProperty(tab, prop) {
-    return this.tabContext.get(tab)[prop];
-  },
-
-  // Sets the value of the property |prop| for the given tab to the
-  // given value, symmetrically to |getProperty|.
-  //
-  // If |tab| is currently selected, updates the page action button to
-  // reflect the new value.
-  setProperty(tab, prop, value) {
-    if (value != null) {
-      this.tabContext.get(tab)[prop] = value;
-    } else {
-      delete this.tabContext.get(tab)[prop];
-    }
-
-    if (tab.selected) {
-      this.updateButton(tab.ownerGlobal);
-    }
-  },
-
-  // Updates the page action button in the given window to reflect the
-  // properties of the currently selected tab:
-  //
-  // Updates "tooltiptext" and "aria-label" to match "title" property.
-  // Updates "image" to match the "icon" property.
-  // Shows or hides the icon, based on the "show" property.
-  updateButton(window) {
-    let tabData = this.tabContext.get(window.gBrowser.selectedTab);
-
-    if (!(tabData.show || this.buttons.has(window))) {
-      // Don't bother creating a button for a window until it actually
-      // needs to be shown.
-      return;
-    }
-
-    let button = this.getButton(window);
-
-    if (tabData.show) {
-      // Update the title and icon only if the button is visible.
-
-      let title = tabData.title || this.extension.name;
-      button.setAttribute("tooltiptext", title);
-      button.setAttribute("aria-label", title);
-
-      // These URLs should already be properly escaped, but make doubly sure CSS
-      // string escape characters are escaped here, since they could lead to a
-      // sandbox break.
-      let escape = str => str.replace(/[\\\s"]/g, encodeURIComponent);
-
-      let getIcon = size => escape(IconDetails.getPreferredIcon(tabData.icon, this.extension, size).icon);
-
-      button.setAttribute("style", `
-        --webextension-urlbar-image: url("${getIcon(16)}");
-        --webextension-urlbar-image-2x: url("${getIcon(32)}");
-      `);
-
-      button.classList.add("webextension-page-action");
-    }
-
-    button.hidden = !tabData.show;
-  },
-
-  // Create an |image| node and add it to the |urlbar-icons|
-  // container in the given window.
-  addButton(window) {
-    let document = window.document;
-
-    let button = document.createElement("image");
-    button.id = this.id;
-    button.setAttribute("class", "urlbar-icon");
-
-    button.addEventListener("click", event => { // eslint-disable-line mozilla/balanced-listeners
-      if (event.button == 0) {
-        this.handleClick(window);
-      }
-    });
-
-    document.getElementById("urlbar-icons").appendChild(button);
-
-    return button;
-  },
-
-  // Returns the page action button for the given window, creating it if
-  // it doesn't already exist.
-  getButton(window) {
-    if (!this.buttons.has(window)) {
-      let button = this.addButton(window);
-      this.buttons.set(window, button);
-    }
-
-    return this.buttons.get(window);
-  },
-
-  /**
-   * Triggers this page action for the given window, with the same effects as
-   * if it were clicked by a user.
-   *
-   * This has no effect if the page action is hidden for the selected tab.
-   *
-   * @param {Window} window
-   */
-  triggerAction(window) {
-    let pageAction = pageActionMap.get(this.extension);
-    if (pageAction.getProperty(window.gBrowser.selectedTab, "show")) {
-      pageAction.handleClick(window);
-    }
-  },
-
-  // Handles a click event on the page action button for the given
-  // window.
-  // If the page action has a |popup| property, a panel is opened to
-  // that URL. Otherwise, a "click" event is emitted, and dispatched to
-  // the any click listeners in the add-on.
-  handleClick(window) {
-    let tab = window.gBrowser.selectedTab;
-    let popupURL = this.tabContext.get(tab).popup;
-
-    this.tabManager.addActiveTabPermission(tab);
-
-    // If the widget has a popup URL defined, we open a popup, but do not
-    // dispatch a click event to the extension.
-    // If it has no popup URL defined, we dispatch a click event, but do not
-    // open a popup.
-    if (popupURL) {
-      new PanelPopup(this.extension, this.getButton(window), popupURL,
-                     this.browserStyle);
-    } else {
-      this.emit("click", tab);
-    }
-  },
-
-  handleLocationChange(eventType, tab, fromBrowse) {
-    if (fromBrowse) {
-      this.tabContext.clear(tab);
-    }
-    this.updateButton(tab.ownerGlobal);
-  },
-
-  shutdown() {
-    this.tabContext.shutdown();
-
-    for (let window of WindowListManager.browserWindows()) {
-      if (this.buttons.has(window)) {
-        this.buttons.get(window).remove();
-      }
-    }
-  },
-};
-
-/* eslint-disable mozilla/balanced-listeners */
-extensions.on("manifest_page_action", (type, directive, extension, manifest) => {
-  let pageAction = new PageAction(manifest.page_action, extension);
-  pageActionMap.set(extension, pageAction);
-});
-
-extensions.on("shutdown", (type, extension) => {
-  if (pageActionMap.has(extension)) {
-    pageActionMap.get(extension).shutdown();
-    pageActionMap.delete(extension);
-  }
-});
-/* eslint-enable mozilla/balanced-listeners */
-
-PageAction.for = extension => {
-  return pageActionMap.get(extension);
-};
-
-global.pageActionFor = PageAction.for;
-
-extensions.registerSchemaAPI("pageAction", "addon_parent", context => {
-  let {extension} = context;
-  return {
-    pageAction: {
-      onClicked: new EventManager(context, "pageAction.onClicked", fire => {
-        let listener = (evt, tab) => {
-          fire(TabManager.convert(extension, tab));
-        };
-        let pageAction = PageAction.for(extension);
-
-        pageAction.on("click", listener);
-        return () => {
-          pageAction.off("click", listener);
-        };
-      }).api(),
-
-      show(tabId) {
-        let tab = TabManager.getTab(tabId, context);
-        PageAction.for(extension).setProperty(tab, "show", true);
-      },
-
-      hide(tabId) {
-        let tab = TabManager.getTab(tabId, context);
-        PageAction.for(extension).setProperty(tab, "show", false);
-      },
-
-      setTitle(details) {
-        let tab = TabManager.getTab(details.tabId, context);
-
-        // Clear the tab-specific title when given a null string.
-        PageAction.for(extension).setProperty(tab, "title", details.title || null);
-      },
-
-      getTitle(details) {
-        let tab = TabManager.getTab(details.tabId, context);
-
-        let title = PageAction.for(extension).getProperty(tab, "title");
-        return Promise.resolve(title);
-      },
-
-      setIcon(details) {
-        let tab = TabManager.getTab(details.tabId, context);
-
-        let icon = IconDetails.normalize(details, extension, context);
-        PageAction.for(extension).setProperty(tab, "icon", icon);
-      },
-
-      setPopup(details) {
-        let tab = TabManager.getTab(details.tabId, context);
-
-        // Note: Chrome resolves arguments to setIcon relative to the calling
-        // context, but resolves arguments to setPopup relative to the extension
-        // root.
-        // For internal consistency, we currently resolve both relative to the
-        // calling context.
-        let url = details.popup && context.uri.resolve(details.popup);
-        if (url && !context.checkLoadURL(url)) {
-          return Promise.reject({message: `Access denied for URL ${url}`});
-        }
-        PageAction.for(extension).setProperty(tab, "popup", url);
-      },
-
-      getPopup(details) {
-        let tab = TabManager.getTab(details.tabId, context);
-
-        let popup = PageAction.for(extension).getProperty(tab, "popup");
-        return Promise.resolve(popup);
-      },
-    },
-  };
-});
diff --git a/application/basilisk/components/webextensions/ext-sessions.js b/application/basilisk/components/webextensions/ext-sessions.js
deleted file mode 100644
index 4c13a1ac3..000000000
--- a/application/basilisk/components/webextensions/ext-sessions.js
+++ /dev/null
@@ -1,92 +0,0 @@
-/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
-/* vim: set sts=2 sw=2 et tw=80: */
-"use strict";
-
-Cu.import("resource://gre/modules/ExtensionUtils.jsm");
-var {
-  promiseObserved,
-} = ExtensionUtils;
-
-XPCOMUtils.defineLazyModuleGetter(this, "SessionStore",
-                                  "resource:///modules/sessionstore/SessionStore.jsm");
-
-function getRecentlyClosed(maxResults, extension) {
-  let recentlyClosed = [];
-
-  // Get closed windows
-  let closedWindowData = SessionStore.getClosedWindowData(false);
-  for (let window of closedWindowData) {
-    recentlyClosed.push({
-      lastModified: window.closedAt,
-      window: WindowManager.convertFromSessionStoreClosedData(window, extension)});
-  }
-
-  // Get closed tabs
-  for (let window of WindowListManager.browserWindows()) {
-    let closedTabData = SessionStore.getClosedTabData(window, false);
-    for (let tab of closedTabData) {
-      recentlyClosed.push({
-        lastModified: tab.closedAt,
-        tab: TabManager.for(extension).convertFromSessionStoreClosedData(tab, window)});
-    }
-  }
-
-  // Sort windows and tabs
-  recentlyClosed.sort((a, b) => b.lastModified - a.lastModified);
-  return recentlyClosed.slice(0, maxResults);
-}
-
-function createSession(restored, extension, sessionId) {
-  if (!restored) {
-    return Promise.reject({message: `Could not restore object using sessionId ${sessionId}.`});
-  }
-  let sessionObj = {lastModified: Date.now()};
-  if (restored instanceof Ci.nsIDOMChromeWindow) {
-    return promiseObserved("sessionstore-single-window-restored", subject => subject == restored).then(() => {
-      sessionObj.window = WindowManager.convert(extension, restored, {populate: true});
-      return Promise.resolve([sessionObj]);
-    });
-  }
-  sessionObj.tab = TabManager.for(extension).convert(restored);
-  return Promise.resolve([sessionObj]);
-}
-
-extensions.registerSchemaAPI("sessions", "addon_parent", context => {
-  let {extension} = context;
-  return {
-    sessions: {
-      getRecentlyClosed: function(filter) {
-        let maxResults = filter.maxResults == undefined ? this.MAX_SESSION_RESULTS : filter.maxResults;
-        return Promise.resolve(getRecentlyClosed(maxResults, extension));
-      },
-      restore: function(sessionId) {
-        let session, closedId;
-        if (sessionId) {
-          closedId = sessionId;
-          session = SessionStore.undoCloseById(closedId);
-        } else if (SessionStore.lastClosedObjectType == "window") {
-          // If the most recently closed object is a window, just undo closing the most recent window.
-          session = SessionStore.undoCloseWindow(0);
-        } else {
-          // It is a tab, and we cannot call SessionStore.undoCloseTab without a window,
-          // so we must find the tab in which case we can just use its closedId.
-          let recentlyClosedTabs = [];
-          for (let window of WindowListManager.browserWindows()) {
-            let closedTabData = SessionStore.getClosedTabData(window, false);
-            for (let tab of closedTabData) {
-              recentlyClosedTabs.push(tab);
-            }
-          }
-
-          // Sort the tabs.
-          recentlyClosedTabs.sort((a, b) => b.closedAt - a.closedAt);
-
-          // Use the closedId of the most recently closed tab to restore it.
-          closedId = recentlyClosedTabs[0].closedId;
-          session = SessionStore.undoCloseById(closedId);
-        }
-        return createSession(session, extension, closedId);
-      },
-    },
-  };
-});
diff --git a/application/basilisk/components/webextensions/ext-tabs.js b/application/basilisk/components/webextensions/ext-tabs.js
deleted file mode 100644
index bb575aaab..000000000
--- a/application/basilisk/components/webextensions/ext-tabs.js
+++ /dev/null
@@ -1,1093 +0,0 @@
-/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
-/* vim: set sts=2 sw=2 et tw=80: */
-"use strict";
-
-XPCOMUtils.defineLazyServiceGetter(this, "aboutNewTabService",
-                                   "@mozilla.org/browser/aboutnewtab-service;1",
-                                   "nsIAboutNewTabService");
-
-XPCOMUtils.defineLazyModuleGetter(this, "MatchPattern",
-                                  "resource://gre/modules/MatchPattern.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "PrivateBrowsingUtils",
-                                  "resource://gre/modules/PrivateBrowsingUtils.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "PromiseUtils",
-                                  "resource://gre/modules/PromiseUtils.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "Services",
-                                  "resource://gre/modules/Services.jsm");
-
-Cu.import("resource://gre/modules/ExtensionUtils.jsm");
-
-var {
-  EventManager,
-  ignoreEvent,
-} = ExtensionUtils;
-
-// This function is pretty tightly tied to Extension.jsm.
-// Its job is to fill in the |tab| property of the sender.
-function getSender(extension, target, sender) {
-  if ("tabId" in sender) {
-    // The message came from an ExtensionContext. In that case, it should
-    // include a tabId property (which is filled in by the page-open
-    // listener below).
-    let tab = TabManager.getTab(sender.tabId, null, null);
-    delete sender.tabId;
-    if (tab) {
-      sender.tab = TabManager.convert(extension, tab);
-      return;
-    }
-  }
-  if (target instanceof Ci.nsIDOMXULElement) {
-    // If the message was sent from a content script to a <browser> element,
-    // then we can just get the `tab` from `target`.
-    let tabbrowser = target.ownerGlobal.gBrowser;
-    if (tabbrowser) {
-      let tab = tabbrowser.getTabForBrowser(target);
-
-      // `tab` can be `undefined`, e.g. for extension popups. This condition is
-      // reached if `getSender` is called for a popup without a valid `tabId`.
-      if (tab) {
-        sender.tab = TabManager.convert(extension, tab);
-      }
-    }
-  }
-}
-
-// Used by Extension.jsm
-global.tabGetSender = getSender;
-
-/* eslint-disable mozilla/balanced-listeners */
-
-extensions.on("page-shutdown", (type, context) => {
-  if (context.viewType == "tab") {
-    if (context.extension.id !== context.xulBrowser.contentPrincipal.addonId) {
-      // Only close extension tabs.
-      // This check prevents about:addons from closing when it contains a
-      // WebExtension as an embedded inline options page.
-      return;
-    }
-    let {gBrowser} = context.xulBrowser.ownerGlobal;
-    if (gBrowser) {
-      let tab = gBrowser.getTabForBrowser(context.xulBrowser);
-      if (tab) {
-        gBrowser.removeTab(tab);
-      }
-    }
-  }
-});
-
-extensions.on("fill-browser-data", (type, browser, data) => {
-  data.tabId = browser ? TabManager.getBrowserId(browser) : -1;
-});
-/* eslint-enable mozilla/balanced-listeners */
-
-global.currentWindow = function(context) {
-  let {xulWindow} = context;
-  if (xulWindow && context.viewType != "background") {
-    return xulWindow;
-  }
-  return WindowManager.topWindow;
-};
-
-let tabListener = {
-  init() {
-    if (this.initialized) {
-      return;
-    }
-
-    this.adoptedTabs = new WeakMap();
-
-    this.handleWindowOpen = this.handleWindowOpen.bind(this);
-    this.handleWindowClose = this.handleWindowClose.bind(this);
-
-    AllWindowEvents.addListener("TabClose", this);
-    AllWindowEvents.addListener("TabOpen", this);
-    WindowListManager.addOpenListener(this.handleWindowOpen);
-    WindowListManager.addCloseListener(this.handleWindowClose);
-
-    EventEmitter.decorate(this);
-
-    this.initialized = true;
-  },
-
-  handleEvent(event) {
-    switch (event.type) {
-      case "TabOpen":
-        if (event.detail.adoptedTab) {
-          this.adoptedTabs.set(event.detail.adoptedTab, event.target);
-        }
-
-        // We need to delay sending this event until the next tick, since the
-        // tab does not have its final index when the TabOpen event is dispatched.
-        Promise.resolve().then(() => {
-          if (event.detail.adoptedTab) {
-            this.emitAttached(event.originalTarget);
-          } else {
-            this.emitCreated(event.originalTarget);
-          }
-        });
-        break;
-
-      case "TabClose":
-        let tab = event.originalTarget;
-
-        if (event.detail.adoptedBy) {
-          this.emitDetached(tab, event.detail.adoptedBy);
-        } else {
-          this.emitRemoved(tab, false);
-        }
-        break;
-    }
-  },
-
-  handleWindowOpen(window) {
-    if (window.arguments[0] instanceof window.XULElement) {
-      // If the first window argument is a XUL element, it means the
-      // window is about to adopt a tab from another window to replace its
-      // initial tab.
-      //
-      // Note that this event handler depends on running before the
-      // delayed startup code in browser.js, which is currently triggered
-      // by the first MozAfterPaint event. That code handles finally
-      // adopting the tab, and clears it from the arguments list in the
-      // process, so if we run later than it, we're too late.
-      let tab = window.arguments[0];
-      this.adoptedTabs.set(tab, window.gBrowser.tabs[0]);
-
-      // We need to be sure to fire this event after the onDetached event
-      // for the original tab.
-      let listener = (event, details) => {
-        if (details.tab == tab) {
-          this.off("tab-detached", listener);
-
-          Promise.resolve().then(() => {
-            this.emitAttached(details.adoptedBy);
-          });
-        }
-      };
-
-      this.on("tab-detached", listener);
-    } else {
-      for (let tab of window.gBrowser.tabs) {
-        this.emitCreated(tab);
-      }
-    }
-  },
-
-  handleWindowClose(window) {
-    for (let tab of window.gBrowser.tabs) {
-      if (this.adoptedTabs.has(tab)) {
-        this.emitDetached(tab, this.adoptedTabs.get(tab));
-      } else {
-        this.emitRemoved(tab, true);
-      }
-    }
-  },
-
-  emitAttached(tab) {
-    let newWindowId = WindowManager.getId(tab.ownerGlobal);
-    let tabId = TabManager.getId(tab);
-
-    this.emit("tab-attached", {tab, tabId, newWindowId, newPosition: tab._tPos});
-  },
-
-  emitDetached(tab, adoptedBy) {
-    let oldWindowId = WindowManager.getId(tab.ownerGlobal);
-    let tabId = TabManager.getId(tab);
-
-    this.emit("tab-detached", {tab, adoptedBy, tabId, oldWindowId, oldPosition: tab._tPos});
-  },
-
-  emitCreated(tab) {
-    this.emit("tab-created", {tab});
-  },
-
-  emitRemoved(tab, isWindowClosing) {
-    let windowId = WindowManager.getId(tab.ownerGlobal);
-    let tabId = TabManager.getId(tab);
-
-    // When addons run in-process, `window.close()` is synchronous. Most other
-    // addon-invoked calls are asynchronous since they go through a proxy
-    // context via the message manager. This includes event registrations such
-    // as `tabs.onRemoved.addListener`.
-    // So, even if `window.close()` were to be called (in-process) after calling
-    // `tabs.onRemoved.addListener`, then the tab would be closed before the
-    // event listener is registered. To make sure that the event listener is
-    // notified, we dispatch `tabs.onRemoved` asynchronously.
-    Services.tm.mainThread.dispatch(() => {
-      this.emit("tab-removed", {tab, tabId, windowId, isWindowClosing});
-    }, Ci.nsIThread.DISPATCH_NORMAL);
-  },
-
-  tabReadyInitialized: false,
-  tabReadyPromises: new WeakMap(),
-  initializingTabs: new WeakSet(),
-
-  initTabReady() {
-    if (!this.tabReadyInitialized) {
-      AllWindowEvents.addListener("progress", this);
-
-      this.tabReadyInitialized = true;
-    }
-  },
-
-  onLocationChange(browser, webProgress, request, locationURI, flags) {
-    if (webProgress.isTopLevel) {
-      let gBrowser = browser.ownerGlobal.gBrowser;
-      let tab = gBrowser.getTabForBrowser(browser);
-
-      // Now we are certain that the first page in the tab was loaded.
-      this.initializingTabs.delete(tab);
-
-      // browser.innerWindowID is now set, resolve the promises if any.
-      let deferred = this.tabReadyPromises.get(tab);
-      if (deferred) {
-        deferred.resolve(tab);
-        this.tabReadyPromises.delete(tab);
-      }
-    }
-  },
-
-  /**
-   * Returns a promise that resolves when the tab is ready.
-   * Tabs created via the `tabs.create` method are "ready" once the location
-   * changes to the requested URL. Other tabs are assumed to be ready once their
-   * inner window ID is known.
-   *
-   * @param {XULElement} tab The <tab> element.
-   * @returns {Promise} Resolves with the given tab once ready.
-   */
-  awaitTabReady(tab) {
-    let deferred = this.tabReadyPromises.get(tab);
-    if (!deferred) {
-      deferred = PromiseUtils.defer();
-      if (!this.initializingTabs.has(tab) && tab.linkedBrowser.innerWindowID) {
-        deferred.resolve(tab);
-      } else {
-        this.initTabReady();
-        this.tabReadyPromises.set(tab, deferred);
-      }
-    }
-    return deferred.promise;
-  },
-};
-
-/* eslint-disable mozilla/balanced-listeners */
-extensions.on("startup", () => {
-  tabListener.init();
-});
-/* eslint-enable mozilla/balanced-listeners */
-
-extensions.registerSchemaAPI("tabs", "addon_parent", context => {
-  let {extension} = context;
-  let self = {
-    tabs: {
-      onActivated: new WindowEventManager(context, "tabs.onActivated", "TabSelect", (fire, event) => {
-        let tab = event.originalTarget;
-        let tabId = TabManager.getId(tab);
-        let windowId = WindowManager.getId(tab.ownerGlobal);
-        fire({tabId, windowId});
-      }).api(),
-
-      onCreated: new EventManager(context, "tabs.onCreated", fire => {
-        let listener = (eventName, event) => {
-          fire(TabManager.convert(extension, event.tab));
-        };
-
-        tabListener.on("tab-created", listener);
-        return () => {
-          tabListener.off("tab-created", listener);
-        };
-      }).api(),
-
-      /**
-       * Since multiple tabs currently can't be highlighted, onHighlighted
-       * essentially acts an alias for self.tabs.onActivated but returns
-       * the tabId in an array to match the API.
-       * @see  https://developer.mozilla.org/en-US/Add-ons/WebExtensions/API/Tabs/onHighlighted
-      */
-      onHighlighted: new WindowEventManager(context, "tabs.onHighlighted", "TabSelect", (fire, event) => {
-        let tab = event.originalTarget;
-        let tabIds = [TabManager.getId(tab)];
-        let windowId = WindowManager.getId(tab.ownerGlobal);
-        fire({tabIds, windowId});
-      }).api(),
-
-      onAttached: new EventManager(context, "tabs.onAttached", fire => {
-        let listener = (eventName, event) => {
-          fire(event.tabId, {newWindowId: event.newWindowId, newPosition: event.newPosition});
-        };
-
-        tabListener.on("tab-attached", listener);
-        return () => {
-          tabListener.off("tab-attached", listener);
-        };
-      }).api(),
-
-      onDetached: new EventManager(context, "tabs.onDetached", fire => {
-        let listener = (eventName, event) => {
-          fire(event.tabId, {oldWindowId: event.oldWindowId, oldPosition: event.oldPosition});
-        };
-
-        tabListener.on("tab-detached", listener);
-        return () => {
-          tabListener.off("tab-detached", listener);
-        };
-      }).api(),
-
-      onRemoved: new EventManager(context, "tabs.onRemoved", fire => {
-        let listener = (eventName, event) => {
-          fire(event.tabId, {windowId: event.windowId, isWindowClosing: event.isWindowClosing});
-        };
-
-        tabListener.on("tab-removed", listener);
-        return () => {
-          tabListener.off("tab-removed", listener);
-        };
-      }).api(),
-
-      onReplaced: ignoreEvent(context, "tabs.onReplaced"),
-
-      onMoved: new EventManager(context, "tabs.onMoved", fire => {
-        // There are certain circumstances where we need to ignore a move event.
-        //
-        // Namely, the first time the tab is moved after it's created, we need
-        // to report the final position as the initial position in the tab's
-        // onAttached or onCreated event. This is because most tabs are inserted
-        // in a temporary location and then moved after the TabOpen event fires,
-        // which generates a TabOpen event followed by a TabMove event, which
-        // does not match the contract of our API.
-        let ignoreNextMove = new WeakSet();
-
-        let openListener = event => {
-          ignoreNextMove.add(event.target);
-          // Remove the tab from the set on the next tick, since it will already
-          // have been moved by then.
-          Promise.resolve().then(() => {
-            ignoreNextMove.delete(event.target);
-          });
-        };
-
-        let moveListener = event => {
-          let tab = event.originalTarget;
-
-          if (ignoreNextMove.has(tab)) {
-            ignoreNextMove.delete(tab);
-            return;
-          }
-
-          fire(TabManager.getId(tab), {
-            windowId: WindowManager.getId(tab.ownerGlobal),
-            fromIndex: event.detail,
-            toIndex: tab._tPos,
-          });
-        };
-
-        AllWindowEvents.addListener("TabMove", moveListener);
-        AllWindowEvents.addListener("TabOpen", openListener);
-        return () => {
-          AllWindowEvents.removeListener("TabMove", moveListener);
-          AllWindowEvents.removeListener("TabOpen", openListener);
-        };
-      }).api(),
-
-      onUpdated: new EventManager(context, "tabs.onUpdated", fire => {
-        function sanitize(extension, changeInfo) {
-          let result = {};
-          let nonempty = false;
-          for (let prop in changeInfo) {
-            if ((prop != "favIconUrl" && prop != "url") || extension.hasPermission("tabs")) {
-              nonempty = true;
-              result[prop] = changeInfo[prop];
-            }
-          }
-          return [nonempty, result];
-        }
-
-        let fireForBrowser = (browser, changed) => {
-          let [needed, changeInfo] = sanitize(extension, changed);
-          if (needed) {
-            let gBrowser = browser.ownerGlobal.gBrowser;
-            let tabElem = gBrowser.getTabForBrowser(browser);
-
-            let tab = TabManager.convert(extension, tabElem);
-            fire(tab.id, changeInfo, tab);
-          }
-        };
-
-        let listener = event => {
-          let needed = [];
-          if (event.type == "TabAttrModified") {
-            let changed = event.detail.changed;
-            if (changed.includes("image")) {
-              needed.push("favIconUrl");
-            }
-            if (changed.includes("muted")) {
-              needed.push("mutedInfo");
-            }
-            if (changed.includes("soundplaying")) {
-              needed.push("audible");
-            }
-          } else if (event.type == "TabPinned") {
-            needed.push("pinned");
-          } else if (event.type == "TabUnpinned") {
-            needed.push("pinned");
-          }
-
-          if (needed.length && !extension.hasPermission("tabs")) {
-            needed = needed.filter(attr => attr != "url" && attr != "favIconUrl");
-          }
-
-          if (needed.length) {
-            let tab = TabManager.convert(extension, event.originalTarget);
-
-            let changeInfo = {};
-            for (let prop of needed) {
-              changeInfo[prop] = tab[prop];
-            }
-            fire(tab.id, changeInfo, tab);
-          }
-        };
-        let progressListener = {
-          onStateChange(browser, webProgress, request, stateFlags, statusCode) {
-            if (!webProgress.isTopLevel) {
-              return;
-            }
-
-            let status;
-            if (stateFlags & Ci.nsIWebProgressListener.STATE_IS_WINDOW) {
-              if (stateFlags & Ci.nsIWebProgressListener.STATE_START) {
-                status = "loading";
-              } else if (stateFlags & Ci.nsIWebProgressListener.STATE_STOP) {
-                status = "complete";
-              }
-            } else if (stateFlags & Ci.nsIWebProgressListener.STATE_STOP &&
-                       statusCode == Cr.NS_BINDING_ABORTED) {
-              status = "complete";
-            }
-
-            fireForBrowser(browser, {status});
-          },
-
-          onLocationChange(browser, webProgress, request, locationURI, flags) {
-            if (!webProgress.isTopLevel) {
-              return;
-            }
-
-            fireForBrowser(browser, {
-              status: webProgress.isLoadingDocument ? "loading" : "complete",
-              url: locationURI.spec,
-            });
-          },
-        };
-
-        AllWindowEvents.addListener("progress", progressListener);
-        AllWindowEvents.addListener("TabAttrModified", listener);
-        AllWindowEvents.addListener("TabPinned", listener);
-        AllWindowEvents.addListener("TabUnpinned", listener);
-
-        return () => {
-          AllWindowEvents.removeListener("progress", progressListener);
-          AllWindowEvents.removeListener("TabAttrModified", listener);
-          AllWindowEvents.removeListener("TabPinned", listener);
-          AllWindowEvents.removeListener("TabUnpinned", listener);
-        };
-      }).api(),
-
-      create: function(createProperties) {
-        return new Promise((resolve, reject) => {
-          let window = createProperties.windowId !== null ?
-            WindowManager.getWindow(createProperties.windowId, context) :
-            WindowManager.topWindow;
-          if (!window.gBrowser) {
-            let obs = (finishedWindow, topic, data) => {
-              if (finishedWindow != window) {
-                return;
-              }
-              Services.obs.removeObserver(obs, "browser-delayed-startup-finished");
-              resolve(window);
-            };
-            Services.obs.addObserver(obs, "browser-delayed-startup-finished", false);
-          } else {
-            resolve(window);
-          }
-        }).then(window => {
-          let url;
-
-          if (createProperties.url !== null) {
-            url = context.uri.resolve(createProperties.url);
-
-            if (!context.checkLoadURL(url, {dontReportErrors: true})) {
-              return Promise.reject({message: `Illegal URL: ${url}`});
-            }
-          }
-
-          if (createProperties.cookieStoreId && !extension.hasPermission("cookies")) {
-            return Promise.reject({message: `No permission for cookieStoreId: ${createProperties.cookieStoreId}`});
-          }
-
-          let options = {};
-          if (createProperties.cookieStoreId) {
-            if (!global.isValidCookieStoreId(createProperties.cookieStoreId)) {
-              return Promise.reject({message: `Illegal cookieStoreId: ${createProperties.cookieStoreId}`});
-            }
-
-            let privateWindow = PrivateBrowsingUtils.isBrowserPrivate(window.gBrowser);
-            if (privateWindow && !global.isPrivateCookieStoreId(createProperties.cookieStoreId)) {
-              return Promise.reject({message: `Illegal to set non-private cookieStorageId in a private window`});
-            }
-
-            if (!privateWindow && global.isPrivateCookieStoreId(createProperties.cookieStoreId)) {
-              return Promise.reject({message: `Illegal to set private cookieStorageId in a non-private window`});
-            }
-
-            if (global.isContainerCookieStoreId(createProperties.cookieStoreId)) {
-              let containerId = global.getContainerForCookieStoreId(createProperties.cookieStoreId);
-              if (!containerId) {
-                return Promise.reject({message: `No cookie store exists with ID ${createProperties.cookieStoreId}`});
-              }
-
-              options.userContextId = containerId;
-            }
-          }
-
-          tabListener.initTabReady();
-          let tab = window.gBrowser.addTab(url || window.BROWSER_NEW_TAB_URL, options);
-
-          let active = true;
-          if (createProperties.active !== null) {
-            active = createProperties.active;
-          }
-          if (active) {
-            window.gBrowser.selectedTab = tab;
-          }
-
-          if (createProperties.index !== null) {
-            window.gBrowser.moveTabTo(tab, createProperties.index);
-          }
-
-          if (createProperties.pinned) {
-            window.gBrowser.pinTab(tab);
-          }
-
-          if (createProperties.url && !createProperties.url.startsWith("about:")) {
-            // We can't wait for a location change event for about:newtab,
-            // since it may be pre-rendered, in which case its initial
-            // location change event has already fired.
-
-            // Mark the tab as initializing, so that operations like
-            // `executeScript` wait until the requested URL is loaded in
-            // the tab before dispatching messages to the inner window
-            // that contains the URL we're attempting to load.
-            tabListener.initializingTabs.add(tab);
-          }
-
-          return TabManager.convert(extension, tab);
-        });
-      },
-
-      remove: function(tabs) {
-        if (!Array.isArray(tabs)) {
-          tabs = [tabs];
-        }
-
-        for (let tabId of tabs) {
-          let tab = TabManager.getTab(tabId, context);
-          tab.ownerGlobal.gBrowser.removeTab(tab);
-        }
-
-        return Promise.resolve();
-      },
-
-      update: function(tabId, updateProperties) {
-        let tab = tabId !== null ? TabManager.getTab(tabId, context) : TabManager.activeTab;
-
-        let tabbrowser = tab.ownerGlobal.gBrowser;
-
-        if (updateProperties.url !== null) {
-          let url = context.uri.resolve(updateProperties.url);
-
-          if (!context.checkLoadURL(url, {dontReportErrors: true})) {
-            return Promise.reject({message: `Illegal URL: ${url}`});
-          }
-
-          tab.linkedBrowser.loadURI(url);
-        }
-
-        if (updateProperties.active !== null) {
-          if (updateProperties.active) {
-            tabbrowser.selectedTab = tab;
-          } else {
-            // Not sure what to do here? Which tab should we select?
-          }
-        }
-        if (updateProperties.muted !== null) {
-          if (tab.muted != updateProperties.muted) {
-            tab.toggleMuteAudio(extension.uuid);
-          }
-        }
-        if (updateProperties.pinned !== null) {
-          if (updateProperties.pinned) {
-            tabbrowser.pinTab(tab);
-          } else {
-            tabbrowser.unpinTab(tab);
-          }
-        }
-        // FIXME: highlighted/selected, openerTabId
-
-        return Promise.resolve(TabManager.convert(extension, tab));
-      },
-
-      reload: function(tabId, reloadProperties) {
-        let tab = tabId !== null ? TabManager.getTab(tabId, context) : TabManager.activeTab;
-
-        let flags = Ci.nsIWebNavigation.LOAD_FLAGS_NONE;
-        if (reloadProperties && reloadProperties.bypassCache) {
-          flags |= Ci.nsIWebNavigation.LOAD_FLAGS_BYPASS_CACHE;
-        }
-        tab.linkedBrowser.reloadWithFlags(flags);
-
-        return Promise.resolve();
-      },
-
-      get: function(tabId) {
-        let tab = TabManager.getTab(tabId, context);
-
-        return Promise.resolve(TabManager.convert(extension, tab));
-      },
-
-      getCurrent() {
-        let tab;
-        if (context.tabId) {
-          tab = TabManager.convert(extension, TabManager.getTab(context.tabId, context));
-        }
-        return Promise.resolve(tab);
-      },
-
-      query: function(queryInfo) {
-        let pattern = null;
-        if (queryInfo.url !== null) {
-          if (!extension.hasPermission("tabs")) {
-            return Promise.reject({message: 'The "tabs" permission is required to use the query API with the "url" parameter'});
-          }
-
-          pattern = new MatchPattern(queryInfo.url);
-        }
-
-        function matches(tab) {
-          let props = ["active", "pinned", "highlighted", "status", "title", "index"];
-          for (let prop of props) {
-            if (queryInfo[prop] !== null && queryInfo[prop] != tab[prop]) {
-              return false;
-            }
-          }
-
-          if (queryInfo.audible !== null) {
-            if (queryInfo.audible != tab.audible) {
-              return false;
-            }
-          }
-
-          if (queryInfo.muted !== null) {
-            if (queryInfo.muted != tab.mutedInfo.muted) {
-              return false;
-            }
-          }
-
-          if (queryInfo.cookieStoreId !== null &&
-              tab.cookieStoreId != queryInfo.cookieStoreId) {
-            return false;
-          }
-
-          if (pattern && !pattern.matches(Services.io.newURI(tab.url, null, null))) {
-            return false;
-          }
-
-          return true;
-        }
-
-        let result = [];
-        for (let window of WindowListManager.browserWindows()) {
-          let lastFocused = window === WindowManager.topWindow;
-          if (queryInfo.lastFocusedWindow !== null && queryInfo.lastFocusedWindow !== lastFocused) {
-            continue;
-          }
-
-          let windowType = WindowManager.windowType(window);
-          if (queryInfo.windowType !== null && queryInfo.windowType !== windowType) {
-            continue;
-          }
-
-          if (queryInfo.windowId !== null) {
-            if (queryInfo.windowId === WindowManager.WINDOW_ID_CURRENT) {
-              if (currentWindow(context) !== window) {
-                continue;
-              }
-            } else if (queryInfo.windowId !== WindowManager.getId(window)) {
-              continue;
-            }
-          }
-
-          if (queryInfo.currentWindow !== null) {
-            let eq = window === currentWindow(context);
-            if (queryInfo.currentWindow != eq) {
-              continue;
-            }
-          }
-
-          let tabs = TabManager.for(extension).getTabs(window);
-          for (let tab of tabs) {
-            if (matches(tab)) {
-              result.push(tab);
-            }
-          }
-        }
-        return Promise.resolve(result);
-      },
-
-      captureVisibleTab: function(windowId, options) {
-        if (!extension.hasPermission("<all_urls>")) {
-          return Promise.reject({message: "The <all_urls> permission is required to use the captureVisibleTab API"});
-        }
-
-        let window = windowId == null ?
-          WindowManager.topWindow :
-          WindowManager.getWindow(windowId, context);
-
-        let tab = window.gBrowser.selectedTab;
-        return tabListener.awaitTabReady(tab).then(() => {
-          let browser = tab.linkedBrowser;
-          let recipient = {
-            innerWindowID: browser.innerWindowID,
-          };
-
-          if (!options) {
-            options = {};
-          }
-          if (options.format == null) {
-            options.format = "png";
-          }
-          if (options.quality == null) {
-            options.quality = 92;
-          }
-
-          let message = {
-            options,
-            width: browser.clientWidth,
-            height: browser.clientHeight,
-          };
-
-          return context.sendMessage(browser.messageManager, "Extension:Capture",
-                                     message, {recipient});
-        });
-      },
-
-      detectLanguage: function(tabId) {
-        let tab = tabId !== null ? TabManager.getTab(tabId, context) : TabManager.activeTab;
-
-        return tabListener.awaitTabReady(tab).then(() => {
-          let browser = tab.linkedBrowser;
-          let recipient = {innerWindowID: browser.innerWindowID};
-
-          return context.sendMessage(browser.messageManager, "Extension:DetectLanguage",
-                                     {}, {recipient});
-        });
-      },
-
-      // Used to executeScript, insertCSS and removeCSS.
-      _execute: function(tabId, details, kind, method) {
-        let tab = tabId !== null ? TabManager.getTab(tabId, context) : TabManager.activeTab;
-
-        let options = {
-          js: [],
-          css: [],
-          remove_css: method == "removeCSS",
-        };
-
-        // We require a `code` or a `file` property, but we can't accept both.
-        if ((details.code === null) == (details.file === null)) {
-          return Promise.reject({message: `${method} requires either a 'code' or a 'file' property, but not both`});
-        }
-
-        if (details.frameId !== null && details.allFrames) {
-          return Promise.reject({message: `'frameId' and 'allFrames' are mutually exclusive`});
-        }
-
-        if (TabManager.for(extension).hasActiveTabPermission(tab)) {
-          // If we have the "activeTab" permission for this tab, ignore
-          // the host whitelist.
-          options.matchesHost = ["<all_urls>"];
-        } else {
-          options.matchesHost = extension.whiteListedHosts.serialize();
-        }
-
-        if (details.code !== null) {
-          options[kind + "Code"] = details.code;
-        }
-        if (details.file !== null) {
-          let url = context.uri.resolve(details.file);
-          if (!extension.isExtensionURL(url)) {
-            return Promise.reject({message: "Files to be injected must be within the extension"});
-          }
-          options[kind].push(url);
-        }
-        if (details.allFrames) {
-          options.all_frames = details.allFrames;
-        }
-        if (details.frameId !== null) {
-          options.frame_id = details.frameId;
-        }
-        if (details.matchAboutBlank) {
-          options.match_about_blank = details.matchAboutBlank;
-        }
-        if (details.runAt !== null) {
-          options.run_at = details.runAt;
-        } else {
-          options.run_at = "document_idle";
-        }
-
-        return tabListener.awaitTabReady(tab).then(() => {
-          let browser = tab.linkedBrowser;
-          let recipient = {
-            innerWindowID: browser.innerWindowID,
-          };
-
-          return context.sendMessage(browser.messageManager, "Extension:Execute", {options}, {recipient});
-        });
-      },
-
-      executeScript: function(tabId, details) {
-        return self.tabs._execute(tabId, details, "js", "executeScript");
-      },
-
-      insertCSS: function(tabId, details) {
-        return self.tabs._execute(tabId, details, "css", "insertCSS").then(() => {});
-      },
-
-      removeCSS: function(tabId, details) {
-        return self.tabs._execute(tabId, details, "css", "removeCSS").then(() => {});
-      },
-
-      move: function(tabIds, moveProperties) {
-        let index = moveProperties.index;
-        let tabsMoved = [];
-        if (!Array.isArray(tabIds)) {
-          tabIds = [tabIds];
-        }
-
-        let destinationWindow = null;
-        if (moveProperties.windowId !== null) {
-          destinationWindow = WindowManager.getWindow(moveProperties.windowId, context);
-          // Fail on an invalid window.
-          if (!destinationWindow) {
-            return Promise.reject({message: `Invalid window ID: ${moveProperties.windowId}`});
-          }
-        }
-
-        /*
-          Indexes are maintained on a per window basis so that a call to
-            move([tabA, tabB], {index: 0})
-              -> tabA to 0, tabB to 1 if tabA and tabB are in the same window
-            move([tabA, tabB], {index: 0})
-              -> tabA to 0, tabB to 0 if tabA and tabB are in different windows
-        */
-        let indexMap = new Map();
-
-        let tabs = tabIds.map(tabId => TabManager.getTab(tabId, context));
-        for (let tab of tabs) {
-          // If the window is not specified, use the window from the tab.
-          let window = destinationWindow || tab.ownerGlobal;
-          let gBrowser = window.gBrowser;
-
-          let insertionPoint = indexMap.get(window) || index;
-          // If the index is -1 it should go to the end of the tabs.
-          if (insertionPoint == -1) {
-            insertionPoint = gBrowser.tabs.length;
-          }
-
-          // We can only move pinned tabs to a point within, or just after,
-          // the current set of pinned tabs. Unpinned tabs, likewise, can only
-          // be moved to a position after the current set of pinned tabs.
-          // Attempts to move a tab to an illegal position are ignored.
-          let numPinned = gBrowser._numPinnedTabs;
-          let ok = tab.pinned ? insertionPoint <= numPinned : insertionPoint >= numPinned;
-          if (!ok) {
-            continue;
-          }
-
-          indexMap.set(window, insertionPoint + 1);
-
-          if (tab.ownerGlobal != window) {
-            // If the window we are moving the tab in is different, then move the tab
-            // to the new window.
-            tab = gBrowser.adoptTab(tab, insertionPoint, false);
-          } else {
-            // If the window we are moving is the same, just move the tab.
-            gBrowser.moveTabTo(tab, insertionPoint);
-          }
-          tabsMoved.push(tab);
-        }
-
-        return Promise.resolve(tabsMoved.map(tab => TabManager.convert(extension, tab)));
-      },
-
-      duplicate: function(tabId) {
-        let tab = TabManager.getTab(tabId, context);
-
-        let gBrowser = tab.ownerGlobal.gBrowser;
-        let newTab = gBrowser.duplicateTab(tab);
-
-        return new Promise(resolve => {
-          // We need to use SSTabRestoring because any attributes set before
-          // are ignored. SSTabRestored is too late and results in a jump in
-          // the UI. See http://bit.ly/session-store-api for more information.
-          newTab.addEventListener("SSTabRestoring", function listener() {
-            // As the tab is restoring, move it to the correct position.
-            newTab.removeEventListener("SSTabRestoring", listener);
-            // Pinned tabs that are duplicated are inserted
-            // after the existing pinned tab and pinned.
-            if (tab.pinned) {
-              gBrowser.pinTab(newTab);
-            }
-            gBrowser.moveTabTo(newTab, tab._tPos + 1);
-          });
-
-          newTab.addEventListener("SSTabRestored", function listener() {
-            // Once it has been restored, select it and return the promise.
-            newTab.removeEventListener("SSTabRestored", listener);
-            gBrowser.selectedTab = newTab;
-            return resolve(TabManager.convert(extension, newTab));
-          });
-        });
-      },
-
-      getZoom(tabId) {
-        let tab = tabId ? TabManager.getTab(tabId, context) : TabManager.activeTab;
-
-        let {ZoomManager} = tab.ownerGlobal;
-        let zoom = ZoomManager.getZoomForBrowser(tab.linkedBrowser);
-
-        return Promise.resolve(zoom);
-      },
-
-      setZoom(tabId, zoom) {
-        let tab = tabId ? TabManager.getTab(tabId, context) : TabManager.activeTab;
-
-        let {FullZoom, ZoomManager} = tab.ownerGlobal;
-
-        if (zoom === 0) {
-          // A value of zero means use the default zoom factor.
-          return FullZoom.reset(tab.linkedBrowser);
-        } else if (zoom >= ZoomManager.MIN && zoom <= ZoomManager.MAX) {
-          FullZoom.setZoom(zoom, tab.linkedBrowser);
-        } else {
-          return Promise.reject({
-            message: `Zoom value ${zoom} out of range (must be between ${ZoomManager.MIN} and ${ZoomManager.MAX})`,
-          });
-        }
-
-        return Promise.resolve();
-      },
-
-      _getZoomSettings(tabId) {
-        let tab = tabId ? TabManager.getTab(tabId, context) : TabManager.activeTab;
-
-        let {FullZoom} = tab.ownerGlobal;
-
-        return {
-          mode: "automatic",
-          scope: FullZoom.siteSpecific ? "per-origin" : "per-tab",
-          defaultZoomFactor: 1,
-        };
-      },
-
-      getZoomSettings(tabId) {
-        return Promise.resolve(this._getZoomSettings(tabId));
-      },
-
-      setZoomSettings(tabId, settings) {
-        let tab = tabId ? TabManager.getTab(tabId, context) : TabManager.activeTab;
-
-        let currentSettings = this._getZoomSettings(tab.id);
-
-        if (!Object.keys(settings).every(key => settings[key] === currentSettings[key])) {
-          return Promise.reject(`Unsupported zoom settings: ${JSON.stringify(settings)}`);
-        }
-        return Promise.resolve();
-      },
-
-      onZoomChange: new EventManager(context, "tabs.onZoomChange", fire => {
-        let getZoomLevel = browser => {
-          let {ZoomManager} = browser.ownerGlobal;
-
-          return ZoomManager.getZoomForBrowser(browser);
-        };
-
-        // Stores the last known zoom level for each tab's browser.
-        // WeakMap[<browser> -> number]
-        let zoomLevels = new WeakMap();
-
-        // Store the zoom level for all existing tabs.
-        for (let window of WindowListManager.browserWindows()) {
-          for (let tab of window.gBrowser.tabs) {
-            let browser = tab.linkedBrowser;
-            zoomLevels.set(browser, getZoomLevel(browser));
-          }
-        }
-
-        let tabCreated = (eventName, event) => {
-          let browser = event.tab.linkedBrowser;
-          zoomLevels.set(browser, getZoomLevel(browser));
-        };
-
-
-        let zoomListener = event => {
-          let browser = event.originalTarget;
-
-          // For non-remote browsers, this event is dispatched on the document
-          // rather than on the <browser>.
-          if (browser instanceof Ci.nsIDOMDocument) {
-            browser = browser.defaultView.QueryInterface(Ci.nsIInterfaceRequestor)
-                             .getInterface(Ci.nsIDocShell)
-                             .chromeEventHandler;
-          }
-
-          let {gBrowser} = browser.ownerGlobal;
-          let tab = gBrowser.getTabForBrowser(browser);
-          if (!tab) {
-            // We only care about zoom events in the top-level browser of a tab.
-            return;
-          }
-
-          let oldZoomFactor = zoomLevels.get(browser);
-          let newZoomFactor = getZoomLevel(browser);
-
-          if (oldZoomFactor != newZoomFactor) {
-            zoomLevels.set(browser, newZoomFactor);
-
-            let tabId = TabManager.getId(tab);
-            fire({
-              tabId,
-              oldZoomFactor,
-              newZoomFactor,
-              zoomSettings: self.tabs._getZoomSettings(tabId),
-            });
-          }
-        };
-
-        tabListener.on("tab-attached", tabCreated);
-        tabListener.on("tab-created", tabCreated);
-
-        AllWindowEvents.addListener("FullZoomChange", zoomListener);
-        AllWindowEvents.addListener("TextZoomChange", zoomListener);
-        return () => {
-          tabListener.off("tab-attached", tabCreated);
-          tabListener.off("tab-created", tabCreated);
-
-          AllWindowEvents.removeListener("FullZoomChange", zoomListener);
-          AllWindowEvents.removeListener("TextZoomChange", zoomListener);
-        };
-      }).api(),
-    },
-  };
-  return self;
-});
diff --git a/application/basilisk/components/webextensions/ext-utils.js b/application/basilisk/components/webextensions/ext-utils.js
deleted file mode 100644
index 75b2f4bd4..000000000
--- a/application/basilisk/components/webextensions/ext-utils.js
+++ /dev/null
@@ -1,1239 +0,0 @@
-/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
-/* vim: set sts=2 sw=2 et tw=80: */
-"use strict";
-
-XPCOMUtils.defineLazyModuleGetter(this, "CustomizableUI",
-                                  "resource:///modules/CustomizableUI.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "NetUtil",
-                                  "resource://gre/modules/NetUtil.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "PrivateBrowsingUtils",
-                                  "resource://gre/modules/PrivateBrowsingUtils.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "Task",
-                                  "resource://gre/modules/Task.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "setTimeout",
-                                  "resource://gre/modules/Timer.jsm");
-
-XPCOMUtils.defineLazyServiceGetter(this, "styleSheetService",
-                                   "@mozilla.org/content/style-sheet-service;1",
-                                   "nsIStyleSheetService");
-
-Cu.import("resource://gre/modules/ExtensionUtils.jsm");
-Cu.import("resource://gre/modules/AppConstants.jsm");
-
-const POPUP_LOAD_TIMEOUT_MS = 200;
-
-const XUL_NS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
-
-var {
-  DefaultWeakMap,
-  EventManager,
-  promiseEvent,
-} = ExtensionUtils;
-
-// This file provides some useful code for the |tabs| and |windows|
-// modules. All of the code is installed on |global|, which is a scope
-// shared among the different ext-*.js scripts.
-
-global.makeWidgetId = id => {
-  id = id.toLowerCase();
-  // FIXME: This allows for collisions.
-  return id.replace(/[^a-z0-9_-]/g, "_");
-};
-
-function promisePopupShown(popup) {
-  return new Promise(resolve => {
-    if (popup.state == "open") {
-      resolve();
-    } else {
-      popup.addEventListener("popupshown", function onPopupShown(event) {
-        popup.removeEventListener("popupshown", onPopupShown);
-        resolve();
-      });
-    }
-  });
-}
-
-XPCOMUtils.defineLazyGetter(this, "popupStylesheets", () => {
-  let stylesheets = ["chrome://browser/content/extension.css"];
-
-  if (AppConstants.platform === "macosx") {
-    stylesheets.push("chrome://browser/content/extension-mac.css");
-  }
-  return stylesheets;
-});
-
-XPCOMUtils.defineLazyGetter(this, "standaloneStylesheets", () => {
-  let stylesheets = [];
-
-  if (AppConstants.platform === "macosx") {
-    stylesheets.push("chrome://browser/content/extension-mac-panel.css");
-  }
-  if (AppConstants.platform === "win") {
-    stylesheets.push("chrome://browser/content/extension-win-panel.css");
-  }
-  return stylesheets;
-});
-
-class BasePopup {
-  constructor(extension, viewNode, popupURL, browserStyle, fixedWidth = false) {
-    this.extension = extension;
-    this.popupURL = popupURL;
-    this.viewNode = viewNode;
-    this.browserStyle = browserStyle;
-    this.window = viewNode.ownerGlobal;
-    this.destroyed = false;
-    this.fixedWidth = fixedWidth;
-
-    extension.callOnClose(this);
-
-    this.contentReady = new Promise(resolve => {
-      this._resolveContentReady = resolve;
-    });
-
-    this.viewNode.addEventListener(this.DESTROY_EVENT, this);
-
-    let doc = viewNode.ownerDocument;
-    let arrowContent = doc.getAnonymousElementByAttribute(this.panel, "class", "panel-arrowcontent");
-    this.borderColor = doc.defaultView.getComputedStyle(arrowContent).borderTopColor;
-
-    this.browser = null;
-    this.browserLoaded = new Promise((resolve, reject) => {
-      this.browserLoadedDeferred = {resolve, reject};
-    });
-    this.browserReady = this.createBrowser(viewNode, popupURL);
-
-    BasePopup.instances.get(this.window).set(extension, this);
-  }
-
-  static for(extension, window) {
-    return BasePopup.instances.get(window).get(extension);
-  }
-
-  close() {
-    this.closePopup();
-  }
-
-  destroy() {
-    this.extension.forgetOnClose(this);
-
-    this.destroyed = true;
-    this.browserLoadedDeferred.reject(new Error("Popup destroyed"));
-    return this.browserReady.then(() => {
-      this.destroyBrowser(this.browser);
-      this.browser.remove();
-
-      this.viewNode.removeEventListener(this.DESTROY_EVENT, this);
-      this.viewNode.style.maxHeight = "";
-
-      if (this.panel) {
-        this.panel.style.removeProperty("--arrowpanel-background");
-        this.panel.style.removeProperty("--panel-arrow-image-vertical");
-      }
-
-      BasePopup.instances.get(this.window).delete(this.extension);
-
-      this.browser = null;
-      this.viewNode = null;
-    });
-  }
-
-  destroyBrowser(browser) {
-    let mm = browser.messageManager;
-    // If the browser has already been removed from the document, because the
-    // popup was closed externally, there will be no message manager here.
-    if (mm) {
-      mm.removeMessageListener("DOMTitleChanged", this);
-      mm.removeMessageListener("Extension:BrowserBackgroundChanged", this);
-      mm.removeMessageListener("Extension:BrowserContentLoaded", this);
-      mm.removeMessageListener("Extension:BrowserResized", this);
-      mm.removeMessageListener("Extension:DOMWindowClose", this);
-    }
-  }
-
-  // Returns the name of the event fired on `viewNode` when the popup is being
-  // destroyed. This must be implemented by every subclass.
-  get DESTROY_EVENT() {
-    throw new Error("Not implemented");
-  }
-
-  get STYLESHEETS() {
-    let sheets = [];
-
-    if (this.browserStyle) {
-      sheets.push(...popupStylesheets);
-    }
-    if (!this.fixedWidth) {
-      sheets.push(...standaloneStylesheets);
-    }
-
-    return sheets;
-  }
-
-  get panel() {
-    let panel = this.viewNode;
-    while (panel && panel.localName != "panel") {
-      panel = panel.parentNode;
-    }
-    return panel;
-  }
-
-  receiveMessage({name, data}) {
-    switch (name) {
-      case "DOMTitleChanged":
-        this.viewNode.setAttribute("aria-label", this.browser.contentTitle);
-        break;
-
-      case "Extension:BrowserBackgroundChanged":
-        this.setBackground(data.background);
-        break;
-
-      case "Extension:BrowserContentLoaded":
-        this.browserLoadedDeferred.resolve();
-        break;
-
-      case "Extension:BrowserResized":
-        this._resolveContentReady();
-        if (this.ignoreResizes) {
-          this.dimensions = data;
-        } else {
-          this.resizeBrowser(data);
-        }
-        break;
-
-      case "Extension:DOMWindowClose":
-        this.closePopup();
-        break;
-    }
-  }
-
-  handleEvent(event) {
-    switch (event.type) {
-      case this.DESTROY_EVENT:
-        this.destroy();
-        break;
-    }
-  }
-
-  createBrowser(viewNode, popupURL = null) {
-    let document = viewNode.ownerDocument;
-    this.browser = document.createElementNS(XUL_NS, "browser");
-    this.browser.setAttribute("type", "content");
-    this.browser.setAttribute("disableglobalhistory", "true");
-    this.browser.setAttribute("transparent", "true");
-    this.browser.setAttribute("class", "webextension-popup-browser");
-    this.browser.setAttribute("tooltip", "aHTMLTooltip");
-
-    // We only need flex sizing for the sake of the slide-in sub-views of the
-    // main menu panel, so that the browser occupies the full width of the view,
-    // and also takes up any extra height that's available to it.
-    this.browser.setAttribute("flex", "1");
-
-    // Note: When using noautohide panels, the popup manager will add width and
-    // height attributes to the panel, breaking our resize code, if the browser
-    // starts out smaller than 30px by 10px. This isn't an issue now, but it
-    // will be if and when we popup debugging.
-
-    viewNode.appendChild(this.browser);
-
-    extensions.emit("extension-browser-inserted", this.browser);
-    let windowId = WindowManager.getId(this.browser.ownerGlobal);
-    this.browser.messageManager.sendAsyncMessage("Extension:InitExtensionView", {
-      viewType: "popup",
-      windowId,
-    });
-    // TODO(robwu): Rework this to use the Extension:ExtensionViewLoaded message
-    // to detect loads and so on. And definitely move this content logic inside
-    // a file in the child process.
-
-    let initBrowser = browser => {
-      let mm = browser.messageManager;
-      mm.addMessageListener("DOMTitleChanged", this);
-      mm.addMessageListener("Extension:BrowserBackgroundChanged", this);
-      mm.addMessageListener("Extension:BrowserContentLoaded", this);
-      mm.addMessageListener("Extension:BrowserResized", this);
-      mm.addMessageListener("Extension:DOMWindowClose", this, true);
-    };
-
-    if (!popupURL) {
-      initBrowser(this.browser);
-      return this.browser;
-    }
-
-    return promiseEvent(this.browser, "load").then(() => {
-      initBrowser(this.browser);
-
-      let mm = this.browser.messageManager;
-
-      mm.loadFrameScript(
-        "chrome://extensions/content/ext-browser-content.js", false);
-
-      mm.sendAsyncMessage("Extension:InitBrowser", {
-        allowScriptsToClose: true,
-        fixedWidth: this.fixedWidth,
-        maxWidth: 800,
-        maxHeight: 600,
-        stylesheets: this.STYLESHEETS,
-      });
-
-      this.browser.setAttribute("src", popupURL);
-    });
-  }
-
-  resizeBrowser({width, height, detail}) {
-    if (this.fixedWidth) {
-      // Figure out how much extra space we have on the side of the panel
-      // opposite the arrow.
-      let side = this.panel.getAttribute("side") == "top" ? "bottom" : "top";
-      let maxHeight = this.viewHeight + this.extraHeight[side];
-
-      height = Math.min(height, maxHeight);
-      this.browser.style.height = `${height}px`;
-
-      // Set a maximum height on the <panelview> element to our preferred
-      // maximum height, so that the PanelUI resizing code can make an accurate
-      // calculation. If we don't do this, the flex sizing logic will prevent us
-      // from ever reporting a preferred size smaller than the height currently
-      // available to us in the panel.
-      height = Math.max(height, this.viewHeight);
-      this.viewNode.style.maxHeight = `${height}px`;
-    } else {
-      this.browser.style.width = `${width}px`;
-      this.browser.style.height = `${height}px`;
-    }
-
-    let event = new this.window.CustomEvent("WebExtPopupResized", {detail});
-    this.browser.dispatchEvent(event);
-  }
-
-  setBackground(background) {
-    let panelBackground = "";
-    let panelArrow = "";
-
-    if (background) {
-      let borderColor = this.borderColor || background;
-
-      panelBackground = background;
-      panelArrow = `url("data:image/svg+xml,${encodeURIComponent(`<?xml version="1.0" encoding="UTF-8"?>
-        <svg xmlns="http://www.w3.org/2000/svg" width="20" height="10">
-          <path d="M 0,10 L 10,0 20,10 z" fill="${borderColor}"/>
-          <path d="M 1,10 L 10,1 19,10 z" fill="${background}"/>
-        </svg>
-      `)}")`;
-    }
-
-    this.panel.style.setProperty("--arrowpanel-background", panelBackground);
-    this.panel.style.setProperty("--panel-arrow-image-vertical", panelArrow);
-    this.background = background;
-  }
-}
-
-/**
- * A map of active popups for a given browser window.
- *
- * WeakMap[window -> WeakMap[Extension -> BasePopup]]
- */
-BasePopup.instances = new DefaultWeakMap(() => new WeakMap());
-
-class PanelPopup extends BasePopup {
-  constructor(extension, imageNode, popupURL, browserStyle) {
-    let document = imageNode.ownerDocument;
-
-    let panel = document.createElement("panel");
-    panel.setAttribute("id", makeWidgetId(extension.id) + "-panel");
-    panel.setAttribute("class", "browser-extension-panel");
-    panel.setAttribute("tabspecific", "true");
-    panel.setAttribute("type", "arrow");
-    panel.setAttribute("role", "group");
-
-    document.getElementById("mainPopupSet").appendChild(panel);
-
-    super(extension, panel, popupURL, browserStyle);
-
-    this.contentReady.then(() => {
-      panel.openPopup(imageNode, "bottomcenter topright", 0, 0, false, false);
-
-      let event = new this.window.CustomEvent("WebExtPopupLoaded", {
-        bubbles: true,
-        detail: {extension},
-      });
-      this.browser.dispatchEvent(event);
-    });
-  }
-
-  get DESTROY_EVENT() {
-    return "popuphidden";
-  }
-
-  destroy() {
-    super.destroy();
-    this.viewNode.remove();
-  }
-
-  closePopup() {
-    promisePopupShown(this.viewNode).then(() => {
-      // Make sure we're not already destroyed.
-      if (this.viewNode) {
-        this.viewNode.hidePopup();
-      }
-    });
-  }
-}
-
-class ViewPopup extends BasePopup {
-  constructor(extension, window, popupURL, browserStyle, fixedWidth) {
-    let document = window.document;
-
-    // Create a temporary panel to hold the browser while it pre-loads its
-    // content. This panel will never be shown, but the browser's docShell will
-    // be swapped with the browser in the real panel when it's ready.
-    let panel = document.createElement("panel");
-    panel.setAttribute("type", "arrow");
-    document.getElementById("mainPopupSet").appendChild(panel);
-
-    super(extension, panel, popupURL, browserStyle, fixedWidth);
-
-    this.ignoreResizes = true;
-
-    this.attached = false;
-    this.tempPanel = panel;
-
-    this.browser.classList.add("webextension-preload-browser");
-  }
-
-  /**
-   * Attaches the pre-loaded browser to the given view node, and reserves a
-   * promise which resolves when the browser is ready.
-   *
-   * @param {Element} viewNode
-   *        The node to attach the browser to.
-   * @returns {Promise<boolean>}
-   *        Resolves when the browser is ready. Resolves to `false` if the
-   *        browser was destroyed before it was fully loaded, and the popup
-   *        should be closed, or `true` otherwise.
-   */
-  attach(viewNode) {
-    return Task.spawn(function* () {
-      this.viewNode = viewNode;
-      this.viewNode.addEventListener(this.DESTROY_EVENT, this);
-
-      // Wait until the browser element is fully initialized, and give it at least
-      // a short grace period to finish loading its initial content, if necessary.
-      //
-      // In practice, the browser that was created by the mousdown handler should
-      // nearly always be ready by this point.
-      yield Promise.all([
-        this.browserReady,
-        Promise.race([
-          // This promise may be rejected if the popup calls window.close()
-          // before it has fully loaded.
-          this.browserLoaded.catch(() => {}),
-          new Promise(resolve => setTimeout(resolve, POPUP_LOAD_TIMEOUT_MS)),
-        ]),
-      ]);
-
-      if (!this.destroyed && !this.panel) {
-        this.destroy();
-      }
-
-      if (this.destroyed) {
-        return false;
-      }
-
-      this.attached = true;
-
-      // Store the initial height of the view, so that we never resize menu panel
-      // sub-views smaller than the initial height of the menu.
-      this.viewHeight = this.viewNode.boxObject.height;
-
-      // Calculate the extra height available on the screen above and below the
-      // menu panel. Use that to calculate the how much the sub-view may grow.
-      let popupRect = this.panel.getBoundingClientRect();
-
-      this.setBackground(this.background);
-
-      let win = this.window;
-      let popupBottom = win.mozInnerScreenY + popupRect.bottom;
-      let popupTop = win.mozInnerScreenY + popupRect.top;
-
-      let screenBottom = win.screen.availTop + win.screen.availHeight;
-      this.extraHeight = {
-        bottom: Math.max(0, screenBottom - popupBottom),
-        top:  Math.max(0, popupTop - win.screen.availTop),
-      };
-
-      // Create a new browser in the real popup.
-      let browser = this.browser;
-      this.createBrowser(this.viewNode);
-
-      this.browser.swapDocShells(browser);
-      this.destroyBrowser(browser);
-
-      this.ignoreResizes = false;
-      if (this.dimensions) {
-        this.resizeBrowser(this.dimensions);
-      }
-
-      this.tempPanel.remove();
-      this.tempPanel = null;
-
-      let event = new this.window.CustomEvent("WebExtPopupLoaded", {
-        bubbles: true,
-        detail: {extension: this.extension},
-      });
-      this.browser.dispatchEvent(event);
-
-      return true;
-    }.bind(this));
-  }
-
-  destroy() {
-    return super.destroy().then(() => {
-      if (this.tempPanel) {
-        this.tempPanel.remove();
-        this.tempPanel = null;
-      }
-    });
-  }
-
-  get DESTROY_EVENT() {
-    return "ViewHiding";
-  }
-
-  closePopup() {
-    if (this.attached) {
-      CustomizableUI.hidePanelForNode(this.viewNode);
-    } else {
-      this.destroy();
-    }
-  }
-}
-
-Object.assign(global, {PanelPopup, ViewPopup});
-
-// Manages tab-specific context data, and dispatching tab select events
-// across all windows.
-global.TabContext = function TabContext(getDefaults, extension) {
-  this.extension = extension;
-  this.getDefaults = getDefaults;
-
-  this.tabData = new WeakMap();
-  this.lastLocation = new WeakMap();
-
-  AllWindowEvents.addListener("progress", this);
-  AllWindowEvents.addListener("TabSelect", this);
-
-  EventEmitter.decorate(this);
-};
-
-TabContext.prototype = {
-  get(tab) {
-    if (!this.tabData.has(tab)) {
-      this.tabData.set(tab, this.getDefaults(tab));
-    }
-
-    return this.tabData.get(tab);
-  },
-
-  clear(tab) {
-    this.tabData.delete(tab);
-  },
-
-  handleEvent(event) {
-    if (event.type == "TabSelect") {
-      let tab = event.target;
-      this.emit("tab-select", tab);
-      this.emit("location-change", tab);
-    }
-  },
-
-  onStateChange(browser, webProgress, request, stateFlags, statusCode) {
-    let flags = Ci.nsIWebProgressListener;
-
-    if (!(~stateFlags & (flags.STATE_IS_WINDOW | flags.STATE_START) ||
-          this.lastLocation.has(browser))) {
-      this.lastLocation.set(browser, request.URI);
-    }
-  },
-
-  onLocationChange(browser, webProgress, request, locationURI, flags) {
-    let gBrowser = browser.ownerGlobal.gBrowser;
-    let lastLocation = this.lastLocation.get(browser);
-    if (browser === gBrowser.selectedBrowser &&
-        !(lastLocation && lastLocation.equalsExceptRef(browser.currentURI))) {
-      let tab = gBrowser.getTabForBrowser(browser);
-      this.emit("location-change", tab, true);
-    }
-    this.lastLocation.set(browser, browser.currentURI);
-  },
-
-  shutdown() {
-    AllWindowEvents.removeListener("progress", this);
-    AllWindowEvents.removeListener("TabSelect", this);
-  },
-};
-
-// Manages tab mappings and permissions for a specific extension.
-function ExtensionTabManager(extension) {
-  this.extension = extension;
-
-  // A mapping of tab objects to the inner window ID the extension currently has
-  // the active tab permission for. The active permission for a given tab is
-  // valid only for the inner window that was active when the permission was
-  // granted. If the tab navigates, the inner window ID changes, and the
-  // permission automatically becomes stale.
-  //
-  // WeakMap[tab => inner-window-id<int>]
-  this.hasTabPermissionFor = new WeakMap();
-}
-
-ExtensionTabManager.prototype = {
-  addActiveTabPermission(tab = TabManager.activeTab) {
-    if (this.extension.hasPermission("activeTab")) {
-      // Note that, unlike Chrome, we don't currently clear this permission with
-      // the tab navigates. If the inner window is revived from BFCache before
-      // we've granted this permission to a new inner window, the extension
-      // maintains its permissions for it.
-      this.hasTabPermissionFor.set(tab, tab.linkedBrowser.innerWindowID);
-    }
-  },
-
-  revokeActiveTabPermission(tab = TabManager.activeTab) {
-    this.hasTabPermissionFor.delete(tab);
-  },
-
-  // Returns true if the extension has the "activeTab" permission for this tab.
-  // This is somewhat more permissive than the generic "tabs" permission, as
-  // checked by |hasTabPermission|, in that it also allows programmatic script
-  // injection without an explicit host permission.
-  hasActiveTabPermission(tab) {
-    // This check is redundant with addTabPermission, but cheap.
-    if (this.extension.hasPermission("activeTab")) {
-      return (this.hasTabPermissionFor.has(tab) &&
-              this.hasTabPermissionFor.get(tab) === tab.linkedBrowser.innerWindowID);
-    }
-    return false;
-  },
-
-  hasTabPermission(tab) {
-    return this.extension.hasPermission("tabs") || this.hasActiveTabPermission(tab);
-  },
-
-  convert(tab) {
-    let window = tab.ownerGlobal;
-    let browser = tab.linkedBrowser;
-
-    let mutedInfo = {muted: tab.muted};
-    if (tab.muteReason === null) {
-      mutedInfo.reason = "user";
-    } else if (tab.muteReason) {
-      mutedInfo.reason = "extension";
-      mutedInfo.extensionId = tab.muteReason;
-    }
-
-    let result = {
-      id: TabManager.getId(tab),
-      index: tab._tPos,
-      windowId: WindowManager.getId(window),
-      selected: tab.selected,
-      highlighted: tab.selected,
-      active: tab.selected,
-      pinned: tab.pinned,
-      status: TabManager.getStatus(tab),
-      incognito: WindowManager.isBrowserPrivate(browser),
-      width: browser.frameLoader.lazyWidth || browser.clientWidth,
-      height: browser.frameLoader.lazyHeight || browser.clientHeight,
-      audible: tab.soundPlaying,
-      mutedInfo,
-    };
-    if (this.extension.hasPermission("cookies")) {
-      result.cookieStoreId = getCookieStoreIdForTab(result, tab);
-    }
-
-    if (this.hasTabPermission(tab)) {
-      result.url = browser.currentURI.spec;
-      let title = browser.contentTitle || tab.label;
-      if (title) {
-        result.title = title;
-      }
-      let icon = window.gBrowser.getIcon(tab);
-      if (icon) {
-        result.favIconUrl = icon;
-      }
-    }
-
-    return result;
-  },
-
-  // Converts tabs returned from SessionStore.getClosedTabData and
-  // SessionStore.getClosedWindowData into API tab objects
-  convertFromSessionStoreClosedData(tab, window) {
-    let result = {
-      sessionId: String(tab.closedId),
-      index: tab.pos ? tab.pos : 0,
-      windowId: WindowManager.getId(window),
-      selected: false,
-      highlighted: false,
-      active: false,
-      pinned: false,
-      incognito: Boolean(tab.state && tab.state.isPrivate),
-    };
-
-    if (this.hasTabPermission(tab)) {
-      let entries = tab.state ? tab.state.entries : tab.entries;
-      result.url = entries[0].url;
-      result.title = entries[0].title;
-      if (tab.image) {
-        result.favIconUrl = tab.image;
-      }
-    }
-
-    return result;
-  },
-
-  getTabs(window) {
-    return Array.from(window.gBrowser.tabs)
-                .filter(tab => !tab.closing)
-                .map(tab => this.convert(tab));
-  },
-};
-
-// Sends the tab and windowId upon request. This is primarily used to support
-// the synchronous `browser.extension.getViews` API.
-let onGetTabAndWindowId = {
-  receiveMessage({name, target, sync}) {
-    let {gBrowser} = target.ownerGlobal;
-    let tab = gBrowser && gBrowser.getTabForBrowser(target);
-    if (tab) {
-      let reply = {
-        tabId: TabManager.getId(tab),
-        windowId: WindowManager.getId(tab.ownerGlobal),
-      };
-      if (sync) {
-        return reply;
-      }
-      target.messageManager.sendAsyncMessage("Extension:SetTabAndWindowId", reply);
-    }
-  },
-};
-/* eslint-disable mozilla/balanced-listeners */
-Services.mm.addMessageListener("Extension:GetTabAndWindowId", onGetTabAndWindowId);
-/* eslint-enable mozilla/balanced-listeners */
-
-
-// Manages global mappings between XUL tabs and extension tab IDs.
-global.TabManager = {
-  _tabs: new WeakMap(),
-  _nextId: 1,
-  _initialized: false,
-
-  // We begin listening for TabOpen and TabClose events once we've started
-  // assigning IDs to tabs, so that we can remap the IDs of tabs which are moved
-  // between windows.
-  initListener() {
-    if (this._initialized) {
-      return;
-    }
-
-    AllWindowEvents.addListener("TabOpen", this);
-    AllWindowEvents.addListener("TabClose", this);
-    WindowListManager.addOpenListener(this.handleWindowOpen.bind(this));
-
-    this._initialized = true;
-  },
-
-  handleEvent(event) {
-    if (event.type == "TabOpen") {
-      let {adoptedTab} = event.detail;
-      if (adoptedTab) {
-        // This tab is being created to adopt a tab from a different window.
-        // Copy the ID from the old tab to the new.
-        let tab = event.target;
-        this._tabs.set(tab, this.getId(adoptedTab));
-
-        tab.linkedBrowser.messageManager.sendAsyncMessage("Extension:SetTabAndWindowId", {
-          windowId: WindowManager.getId(tab.ownerGlobal),
-        });
-      }
-    } else if (event.type == "TabClose") {
-      let {adoptedBy} = event.detail;
-      if (adoptedBy) {
-        // This tab is being closed because it was adopted by a new window.
-        // Copy its ID to the new tab, in case it was created as the first tab
-        // of a new window, and did not have an `adoptedTab` detail when it was
-        // opened.
-        this._tabs.set(adoptedBy, this.getId(event.target));
-
-        adoptedBy.linkedBrowser.messageManager.sendAsyncMessage("Extension:SetTabAndWindowId", {
-          windowId: WindowManager.getId(adoptedBy),
-        });
-      }
-    }
-  },
-
-  handleWindowOpen(window) {
-    if (window.arguments && window.arguments[0] instanceof window.XULElement) {
-      // If the first window argument is a XUL element, it means the
-      // window is about to adopt a tab from another window to replace its
-      // initial tab.
-      let adoptedTab = window.arguments[0];
-
-      this._tabs.set(window.gBrowser.tabs[0], this.getId(adoptedTab));
-    }
-  },
-
-  getId(tab) {
-    if (this._tabs.has(tab)) {
-      return this._tabs.get(tab);
-    }
-    this.initListener();
-
-    let id = this._nextId++;
-    this._tabs.set(tab, id);
-    return id;
-  },
-
-  getBrowserId(browser) {
-    let gBrowser = browser.ownerGlobal.gBrowser;
-    // Some non-browser windows have gBrowser but not
-    // getTabForBrowser!
-    if (gBrowser && gBrowser.getTabForBrowser) {
-      let tab = gBrowser.getTabForBrowser(browser);
-      if (tab) {
-        return this.getId(tab);
-      }
-    }
-    return -1;
-  },
-
-  /**
-   * Returns the XUL <tab> element associated with the given tab ID. If no tab
-   * with the given ID exists, and no default value is provided, an error is
-   * raised, belonging to the scope of the given context.
-   *
-   * @param {integer} tabId
-   *        The ID of the tab to retrieve.
-   * @param {ExtensionContext} context
-   *        The context of the caller.
-   *        This value may be omitted if `default_` is not `undefined`.
-   * @param {*} default_
-   *        The value to return if no tab exists with the given ID.
-   * @returns {Element<tab>}
-   *        A XUL <tab> element.
-   */
-  getTab(tabId, context, default_ = undefined) {
-    // FIXME: Speed this up without leaking memory somehow.
-    for (let window of WindowListManager.browserWindows()) {
-      if (!window.gBrowser) {
-        continue;
-      }
-      for (let tab of window.gBrowser.tabs) {
-        if (this.getId(tab) == tabId) {
-          return tab;
-        }
-      }
-    }
-    if (default_ !== undefined) {
-      return default_;
-    }
-    throw new context.cloneScope.Error(`Invalid tab ID: ${tabId}`);
-  },
-
-  get activeTab() {
-    let window = WindowManager.topWindow;
-    if (window && window.gBrowser) {
-      return window.gBrowser.selectedTab;
-    }
-    return null;
-  },
-
-  getStatus(tab) {
-    return tab.getAttribute("busy") == "true" ? "loading" : "complete";
-  },
-
-  convert(extension, tab) {
-    return TabManager.for(extension).convert(tab);
-  },
-};
-
-// WeakMap[Extension -> ExtensionTabManager]
-let tabManagers = new WeakMap();
-
-// Returns the extension-specific tab manager for the given extension, or
-// creates one if it doesn't already exist.
-TabManager.for = function(extension) {
-  if (!tabManagers.has(extension)) {
-    tabManagers.set(extension, new ExtensionTabManager(extension));
-  }
-  return tabManagers.get(extension);
-};
-
-/* eslint-disable mozilla/balanced-listeners */
-extensions.on("shutdown", (type, extension) => {
-  tabManagers.delete(extension);
-});
-/* eslint-enable mozilla/balanced-listeners */
-
-function memoize(fn) {
-  let weakMap = new DefaultWeakMap(fn);
-  return weakMap.get.bind(weakMap);
-}
-
-// Manages mapping between XUL windows and extension window IDs.
-global.WindowManager = {
-  _windows: new WeakMap(),
-  _nextId: 0,
-
-  // Note: These must match the values in windows.json.
-  WINDOW_ID_NONE: -1,
-  WINDOW_ID_CURRENT: -2,
-
-  get topWindow() {
-    return Services.wm.getMostRecentWindow("navigator:browser");
-  },
-
-  windowType(window) {
-    // TODO: Make this work.
-
-    let {chromeFlags} = window.QueryInterface(Ci.nsIInterfaceRequestor)
-                              .getInterface(Ci.nsIDocShell)
-                              .treeOwner.QueryInterface(Ci.nsIInterfaceRequestor)
-                              .getInterface(Ci.nsIXULWindow);
-
-    if (chromeFlags & Ci.nsIWebBrowserChrome.CHROME_OPENAS_DIALOG) {
-      return "popup";
-    }
-
-    return "normal";
-  },
-
-  updateGeometry(window, options) {
-    if (options.left !== null || options.top !== null) {
-      let left = options.left !== null ? options.left : window.screenX;
-      let top = options.top !== null ? options.top : window.screenY;
-      window.moveTo(left, top);
-    }
-
-    if (options.width !== null || options.height !== null) {
-      let width = options.width !== null ? options.width : window.outerWidth;
-      let height = options.height !== null ? options.height : window.outerHeight;
-      window.resizeTo(width, height);
-    }
-  },
-
-  isBrowserPrivate: memoize(browser => {
-    return PrivateBrowsingUtils.isBrowserPrivate(browser);
-  }),
-
-  getId(window) {
-    if (this._windows.has(window)) {
-      return this._windows.get(window);
-    }
-    let id = this._nextId++;
-    this._windows.set(window, id);
-    return id;
-  },
-
-  getWindow(id, context) {
-    if (id == this.WINDOW_ID_CURRENT) {
-      return currentWindow(context);
-    }
-
-    for (let window of WindowListManager.browserWindows(true)) {
-      if (this.getId(window) == id) {
-        return window;
-      }
-    }
-    return null;
-  },
-
-  getState(window) {
-    const STATES = {
-      [window.STATE_MAXIMIZED]: "maximized",
-      [window.STATE_MINIMIZED]: "minimized",
-      [window.STATE_NORMAL]: "normal",
-    };
-    let state = STATES[window.windowState];
-    if (window.fullScreen) {
-      state = "fullscreen";
-    }
-    return state;
-  },
-
-  setState(window, state) {
-    if (state != "fullscreen" && window.fullScreen) {
-      window.fullScreen = false;
-    }
-
-    switch (state) {
-      case "maximized":
-        window.maximize();
-        break;
-
-      case "minimized":
-      case "docked":
-        window.minimize();
-        break;
-
-      case "normal":
-        // Restore sometimes returns the window to its previous state, rather
-        // than to the "normal" state, so it may need to be called anywhere from
-        // zero to two times.
-        window.restore();
-        if (window.windowState != window.STATE_NORMAL) {
-          window.restore();
-        }
-        if (window.windowState != window.STATE_NORMAL) {
-          // And on OS-X, where normal vs. maximized is basically a heuristic,
-          // we need to cheat.
-          window.sizeToContent();
-        }
-        break;
-
-      case "fullscreen":
-        window.fullScreen = true;
-        break;
-
-      default:
-        throw new Error(`Unexpected window state: ${state}`);
-    }
-  },
-
-  convert(extension, window, getInfo) {
-    let xulWindow = window.QueryInterface(Ci.nsIInterfaceRequestor)
-                          .getInterface(Ci.nsIDocShell)
-                          .treeOwner.QueryInterface(Ci.nsIInterfaceRequestor)
-                          .getInterface(Ci.nsIXULWindow);
-
-    let result = {
-      id: this.getId(window),
-      focused: window.document.hasFocus(),
-      top: window.screenY,
-      left: window.screenX,
-      width: window.outerWidth,
-      height: window.outerHeight,
-      incognito: PrivateBrowsingUtils.isWindowPrivate(window),
-      type: this.windowType(window),
-      state: this.getState(window),
-      alwaysOnTop: xulWindow.zLevel >= Ci.nsIXULWindow.raisedZ,
-    };
-
-    if (getInfo && getInfo.populate) {
-      result.tabs = TabManager.for(extension).getTabs(window);
-    }
-
-    return result;
-  },
-
-  // Converts windows returned from SessionStore.getClosedWindowData
-  // into API window objects
-  convertFromSessionStoreClosedData(window, extension) {
-    let result = {
-      sessionId: String(window.closedId),
-      focused: false,
-      incognito: false,
-      type: "normal", // this is always "normal" for a closed window
-      state: this.getState(window),
-      alwaysOnTop: false,
-    };
-
-    if (window.tabs.length) {
-      result.tabs = [];
-      window.tabs.forEach((tab, index) => {
-        result.tabs.push(TabManager.for(extension).convertFromSessionStoreClosedData(tab, window, index));
-      });
-    }
-
-    return result;
-  },
-};
-
-// Manages listeners for window opening and closing. A window is
-// considered open when the "load" event fires on it. A window is
-// closed when a "domwindowclosed" notification fires for it.
-global.WindowListManager = {
-  _openListeners: new Set(),
-  _closeListeners: new Set(),
-
-  // Returns an iterator for all browser windows. Unless |includeIncomplete| is
-  // true, only fully-loaded windows are returned.
-  * browserWindows(includeIncomplete = false) {
-    // The window type parameter is only available once the window's document
-    // element has been created. This means that, when looking for incomplete
-    // browser windows, we need to ignore the type entirely for windows which
-    // haven't finished loading, since we would otherwise skip browser windows
-    // in their early loading stages.
-    // This is particularly important given that the "domwindowcreated" event
-    // fires for browser windows when they're in that in-between state, and just
-    // before we register our own "domwindowcreated" listener.
-
-    let e = Services.wm.getEnumerator("");
-    while (e.hasMoreElements()) {
-      let window = e.getNext();
-
-      let ok = includeIncomplete;
-      if (window.document.readyState == "complete") {
-        ok = window.document.documentElement.getAttribute("windowtype") == "navigator:browser";
-      }
-
-      if (ok) {
-        yield window;
-      }
-    }
-  },
-
-  addOpenListener(listener) {
-    if (this._openListeners.size == 0 && this._closeListeners.size == 0) {
-      Services.ww.registerNotification(this);
-    }
-    this._openListeners.add(listener);
-
-    for (let window of this.browserWindows(true)) {
-      if (window.document.readyState != "complete") {
-        window.addEventListener("load", this);
-      }
-    }
-  },
-
-  removeOpenListener(listener) {
-    this._openListeners.delete(listener);
-    if (this._openListeners.size == 0 && this._closeListeners.size == 0) {
-      Services.ww.unregisterNotification(this);
-    }
-  },
-
-  addCloseListener(listener) {
-    if (this._openListeners.size == 0 && this._closeListeners.size == 0) {
-      Services.ww.registerNotification(this);
-    }
-    this._closeListeners.add(listener);
-  },
-
-  removeCloseListener(listener) {
-    this._closeListeners.delete(listener);
-    if (this._openListeners.size == 0 && this._closeListeners.size == 0) {
-      Services.ww.unregisterNotification(this);
-    }
-  },
-
-  handleEvent(event) {
-    event.currentTarget.removeEventListener(event.type, this);
-    let window = event.target.defaultView;
-    if (window.document.documentElement.getAttribute("windowtype") != "navigator:browser") {
-      return;
-    }
-
-    for (let listener of this._openListeners) {
-      listener(window);
-    }
-  },
-
-  observe(window, topic, data) {
-    if (topic == "domwindowclosed") {
-      if (window.document.documentElement.getAttribute("windowtype") != "navigator:browser") {
-        return;
-      }
-
-      window.removeEventListener("load", this);
-      for (let listener of this._closeListeners) {
-        listener(window);
-      }
-    } else {
-      window.addEventListener("load", this);
-    }
-  },
-};
-
-// Provides a facility to listen for DOM events across all XUL windows.
-global.AllWindowEvents = {
-  _listeners: new Map(),
-
-  // If |type| is a normal event type, invoke |listener| each time
-  // that event fires in any open window. If |type| is "progress", add
-  // a web progress listener that covers all open windows.
-  addListener(type, listener) {
-    if (type == "domwindowopened") {
-      return WindowListManager.addOpenListener(listener);
-    } else if (type == "domwindowclosed") {
-      return WindowListManager.addCloseListener(listener);
-    }
-
-    if (this._listeners.size == 0) {
-      WindowListManager.addOpenListener(this.openListener);
-    }
-
-    if (!this._listeners.has(type)) {
-      this._listeners.set(type, new Set());
-    }
-    let list = this._listeners.get(type);
-    list.add(listener);
-
-    // Register listener on all existing windows.
-    for (let window of WindowListManager.browserWindows()) {
-      this.addWindowListener(window, type, listener);
-    }
-  },
-
-  removeListener(eventType, listener) {
-    if (eventType == "domwindowopened") {
-      return WindowListManager.removeOpenListener(listener);
-    } else if (eventType == "domwindowclosed") {
-      return WindowListManager.removeCloseListener(listener);
-    }
-
-    let listeners = this._listeners.get(eventType);
-    listeners.delete(listener);
-    if (listeners.size == 0) {
-      this._listeners.delete(eventType);
-      if (this._listeners.size == 0) {
-        WindowListManager.removeOpenListener(this.openListener);
-      }
-    }
-
-    // Unregister listener from all existing windows.
-    let useCapture = eventType === "focus" || eventType === "blur";
-    for (let window of WindowListManager.browserWindows()) {
-      if (eventType == "progress") {
-        window.gBrowser.removeTabsProgressListener(listener);
-      } else {
-        window.removeEventListener(eventType, listener, useCapture);
-      }
-    }
-  },
-
-  /* eslint-disable mozilla/balanced-listeners */
-  addWindowListener(window, eventType, listener) {
-    let useCapture = eventType === "focus" || eventType === "blur";
-
-    if (eventType == "progress") {
-      window.gBrowser.addTabsProgressListener(listener);
-    } else {
-      window.addEventListener(eventType, listener, useCapture);
-    }
-  },
-  /* eslint-enable mozilla/balanced-listeners */
-
-  // Runs whenever the "load" event fires for a new window.
-  openListener(window) {
-    for (let [eventType, listeners] of AllWindowEvents._listeners) {
-      for (let listener of listeners) {
-        this.addWindowListener(window, eventType, listener);
-      }
-    }
-  },
-};
-
-AllWindowEvents.openListener = AllWindowEvents.openListener.bind(AllWindowEvents);
-
-// Subclass of EventManager where we just need to call
-// add/removeEventListener on each XUL window.
-global.WindowEventManager = function(context, name, event, listener) {
-  EventManager.call(this, context, name, fire => {
-    let listener2 = (...args) => listener(fire, ...args);
-    AllWindowEvents.addListener(event, listener2);
-    return () => {
-      AllWindowEvents.removeListener(event, listener2);
-    };
-  });
-};
-
-WindowEventManager.prototype = Object.create(EventManager.prototype);
diff --git a/application/basilisk/components/webextensions/ext-windows.js b/application/basilisk/components/webextensions/ext-windows.js
deleted file mode 100644
index 5956ae15b..000000000
--- a/application/basilisk/components/webextensions/ext-windows.js
+++ /dev/null
@@ -1,231 +0,0 @@
-/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
-/* vim: set sts=2 sw=2 et tw=80: */
-"use strict";
-
-XPCOMUtils.defineLazyServiceGetter(this, "aboutNewTabService",
-                                   "@mozilla.org/browser/aboutnewtab-service;1",
-                                   "nsIAboutNewTabService");
-XPCOMUtils.defineLazyModuleGetter(this, "AppConstants",
-                                  "resource://gre/modules/AppConstants.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "PrivateBrowsingUtils",
-                                  "resource://gre/modules/PrivateBrowsingUtils.jsm");
-
-Cu.import("resource://gre/modules/ExtensionUtils.jsm");
-var {
-  EventManager,
-  promiseObserved,
-} = ExtensionUtils;
-
-function onXULFrameLoaderCreated({target}) {
-  target.messageManager.sendAsyncMessage("AllowScriptsToClose", {});
-}
-
-extensions.registerSchemaAPI("windows", "addon_parent", context => {
-  let {extension} = context;
-  return {
-    windows: {
-      onCreated:
-      new WindowEventManager(context, "windows.onCreated", "domwindowopened", (fire, window) => {
-        fire(WindowManager.convert(extension, window));
-      }).api(),
-
-      onRemoved:
-      new WindowEventManager(context, "windows.onRemoved", "domwindowclosed", (fire, window) => {
-        fire(WindowManager.getId(window));
-      }).api(),
-
-      onFocusChanged: new EventManager(context, "windows.onFocusChanged", fire => {
-        // Keep track of the last windowId used to fire an onFocusChanged event
-        let lastOnFocusChangedWindowId;
-
-        let listener = event => {
-          // Wait a tick to avoid firing a superfluous WINDOW_ID_NONE
-          // event when switching focus between two Firefox windows.
-          Promise.resolve().then(() => {
-            let window = Services.focus.activeWindow;
-            let windowId = window ? WindowManager.getId(window) : WindowManager.WINDOW_ID_NONE;
-            if (windowId !== lastOnFocusChangedWindowId) {
-              fire(windowId);
-              lastOnFocusChangedWindowId = windowId;
-            }
-          });
-        };
-        AllWindowEvents.addListener("focus", listener);
-        AllWindowEvents.addListener("blur", listener);
-        return () => {
-          AllWindowEvents.removeListener("focus", listener);
-          AllWindowEvents.removeListener("blur", listener);
-        };
-      }).api(),
-
-      get: function(windowId, getInfo) {
-        let window = WindowManager.getWindow(windowId, context);
-        return Promise.resolve(WindowManager.convert(extension, window, getInfo));
-      },
-
-      getCurrent: function(getInfo) {
-        let window = currentWindow(context);
-        return Promise.resolve(WindowManager.convert(extension, window, getInfo));
-      },
-
-      getLastFocused: function(getInfo) {
-        let window = WindowManager.topWindow;
-        return Promise.resolve(WindowManager.convert(extension, window, getInfo));
-      },
-
-      getAll: function(getInfo) {
-        let windows = Array.from(WindowListManager.browserWindows(),
-                                 window => WindowManager.convert(extension, window, getInfo));
-        return Promise.resolve(windows);
-      },
-
-      create: function(createData) {
-        let needResize = (createData.left !== null || createData.top !== null ||
-                          createData.width !== null || createData.height !== null);
-
-        if (needResize) {
-          if (createData.state !== null && createData.state != "normal") {
-            return Promise.reject({message: `"state": "${createData.state}" may not be combined with "left", "top", "width", or "height"`});
-          }
-          createData.state = "normal";
-        }
-
-        function mkstr(s) {
-          let result = Cc["@mozilla.org/supports-string;1"].createInstance(Ci.nsISupportsString);
-          result.data = s;
-          return result;
-        }
-
-        let args = Cc["@mozilla.org/array;1"].createInstance(Ci.nsIMutableArray);
-
-        if (createData.tabId !== null) {
-          if (createData.url !== null) {
-            return Promise.reject({message: "`tabId` may not be used in conjunction with `url`"});
-          }
-
-          if (createData.allowScriptsToClose) {
-            return Promise.reject({message: "`tabId` may not be used in conjunction with `allowScriptsToClose`"});
-          }
-
-          let tab = TabManager.getTab(createData.tabId, context);
-
-          // Private browsing tabs can only be moved to private browsing
-          // windows.
-          let incognito = PrivateBrowsingUtils.isBrowserPrivate(tab.linkedBrowser);
-          if (createData.incognito !== null && createData.incognito != incognito) {
-            return Promise.reject({message: "`incognito` property must match the incognito state of tab"});
-          }
-          createData.incognito = incognito;
-
-          args.appendElement(tab, /* weak = */ false);
-        } else if (createData.url !== null) {
-          if (Array.isArray(createData.url)) {
-            let array = Cc["@mozilla.org/array;1"].createInstance(Ci.nsIMutableArray);
-            for (let url of createData.url) {
-              array.appendElement(mkstr(url), /* weak = */ false);
-            }
-            args.appendElement(array, /* weak = */ false);
-          } else {
-            args.appendElement(mkstr(createData.url), /* weak = */ false);
-          }
-        } else {
-          args.appendElement(mkstr(aboutNewTabService.newTabURL), /* weak = */ false);
-        }
-
-        let features = ["chrome"];
-
-        if (createData.type === null || createData.type == "normal") {
-          features.push("dialog=no", "all");
-        } else {
-          // All other types create "popup"-type windows by default.
-          features.push("dialog", "resizable", "minimizable", "centerscreen", "titlebar", "close");
-        }
-
-        if (createData.incognito !== null) {
-          if (createData.incognito) {
-            features.push("private");
-          } else {
-            features.push("non-private");
-          }
-        }
-
-        let {allowScriptsToClose, url} = createData;
-        if (allowScriptsToClose === null) {
-          allowScriptsToClose = typeof url === "string" && url.startsWith("moz-extension://");
-        }
-
-        let window = Services.ww.openWindow(null, "chrome://browser/content/browser.xul", "_blank",
-                                            features.join(","), args);
-
-        WindowManager.updateGeometry(window, createData);
-
-        // TODO: focused, type
-
-        return new Promise(resolve => {
-          window.addEventListener("load", function listener() {
-            window.removeEventListener("load", listener);
-            if (["maximized", "normal"].includes(createData.state)) {
-              window.document.documentElement.setAttribute("sizemode", createData.state);
-            }
-            resolve(promiseObserved("browser-delayed-startup-finished", win => win == window));
-          });
-        }).then(() => {
-          // Some states only work after delayed-startup-finished
-          if (["minimized", "fullscreen", "docked"].includes(createData.state)) {
-            WindowManager.setState(window, createData.state);
-          }
-          if (allowScriptsToClose) {
-            for (let {linkedBrowser} of window.gBrowser.tabs) {
-              onXULFrameLoaderCreated({target: linkedBrowser});
-              linkedBrowser.addEventListener( // eslint-disable-line mozilla/balanced-listeners
-                                             "XULFrameLoaderCreated", onXULFrameLoaderCreated);
-            }
-          }
-          return WindowManager.convert(extension, window, {populate: true});
-        });
-      },
-
-      update: function(windowId, updateInfo) {
-        if (updateInfo.state !== null && updateInfo.state != "normal") {
-          if (updateInfo.left !== null || updateInfo.top !== null ||
-              updateInfo.width !== null || updateInfo.height !== null) {
-            return Promise.reject({message: `"state": "${updateInfo.state}" may not be combined with "left", "top", "width", or "height"`});
-          }
-        }
-
-        let window = WindowManager.getWindow(windowId, context);
-        if (updateInfo.focused) {
-          Services.focus.activeWindow = window;
-        }
-
-        if (updateInfo.state !== null) {
-          WindowManager.setState(window, updateInfo.state);
-        }
-
-        if (updateInfo.drawAttention) {
-          // Bug 1257497 - Firefox can't cancel attention actions.
-          window.getAttention();
-        }
-
-        WindowManager.updateGeometry(window, updateInfo);
-
-        // TODO: All the other properties, focused=false...
-
-        return Promise.resolve(WindowManager.convert(extension, window));
-      },
-
-      remove: function(windowId) {
-        let window = WindowManager.getWindow(windowId, context);
-        window.close();
-
-        return new Promise(resolve => {
-          let listener = () => {
-            AllWindowEvents.removeListener("domwindowclosed", listener);
-            resolve();
-          };
-          AllWindowEvents.addListener("domwindowclosed", listener);
-        });
-      },
-    },
-  };
-});
diff --git a/application/basilisk/components/webextensions/extension-mac-panel.css b/application/basilisk/components/webextensions/extension-mac-panel.css
deleted file mode 100644
index 2e9ed6bdb..000000000
--- a/application/basilisk/components/webextensions/extension-mac-panel.css
+++ /dev/null
@@ -1,3 +0,0 @@
-body {
-  border-radius: 3.5px;
-}
diff --git a/application/basilisk/components/webextensions/extension-mac.css b/application/basilisk/components/webextensions/extension-mac.css
deleted file mode 100644
index 49cd3b359..000000000
--- a/application/basilisk/components/webextensions/extension-mac.css
+++ /dev/null
@@ -1,11 +0,0 @@
-button,
-select,
-input[type="checkbox"] + label::before {
-  border-radius: 4px;
-}
-
-.panel-section-footer {
-  border-bottom-left-radius: 4px;
-  border-bottom-right-radius: 4px;
-  overflow: hidden;
-}
diff --git a/application/basilisk/components/webextensions/extension-win-panel.css b/application/basilisk/components/webextensions/extension-win-panel.css
deleted file mode 100644
index 9da6da14c..000000000
--- a/application/basilisk/components/webextensions/extension-win-panel.css
+++ /dev/null
@@ -1,5 +0,0 @@
-@media (-moz-os-version: windows-win7) {
-  body {
-    border-radius: 4px;
-  }
-}
diff --git a/application/basilisk/components/webextensions/extension.css b/application/basilisk/components/webextensions/extension.css
deleted file mode 100644
index 6b59033e3..000000000
--- a/application/basilisk/components/webextensions/extension.css
+++ /dev/null
@@ -1,572 +0,0 @@
-/* stylelint-disable property-no-vendor-prefix */
-/* stylelint-disable property-no-vendor-prefix */
-/* Base */
-button,
-select,
-option,
-input {
-  -moz-appearance: none;
-}
-
-/* Variables */
-html,
-body {
-  background: transparent;
-  box-sizing: border-box;
-  color: #222426;
-  cursor: default;
-  display: flex;
-  flex-direction: column;
-  font: caption;
-  margin: 0;
-  padding: 0;
-  -moz-user-select: none;
-}
-
-body * {
-  box-sizing: border-box;
-  text-align: start;
-}
-
-/* stylelint-disable property-no-vendor-prefix */
-/* Buttons */
-button,
-select {
-  background-color: #fbfbfb;
-  border: 1px solid #b1b1b1;
-  box-shadow: 0 0 0 0 transparent;
-  font: caption;
-  height: 24px;
-  outline: 0 !important;
-  padding: 0 8px 0;
-  transition-duration: 250ms;
-  transition-property: box-shadow, border;
-}
-
-select {
-  background-image: url(data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxNiIgaGVpZ2h0PSIxNiIgdmlld0JveD0iMCAwIDE2IDE2Ij4KICA8cGF0aCBkPSJNOCwxMkwzLDcsNCw2bDQsNCw0LTQsMSwxWiIgZmlsbD0iIzZBNkE2QSIgLz4KPC9zdmc+Cg==);
-  background-position: calc(100% - 4px) center;
-  background-repeat: no-repeat;
-  padding-inline-end: 24px;
-  text-overflow: ellipsis;
-}
-
-label {
-  font: caption;
-}
-
-button::-moz-focus-inner {
-  border: 0;
-  outline: 0;
-}
-
-/* Dropdowns */
-select {
-  background-color: #fbfbfb;
-  border: 1px solid #b1b1b1;
-  box-shadow: 0 0 0 0 transparent;
-  font: caption;
-  height: 24px;
-  outline: 0 !important;
-  padding: 0 8px 0;
-  transition-duration: 250ms;
-  transition-property: box-shadow, border;
-}
-
-select {
-  background-image: url(data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxNiIgaGVpZ2h0PSIxNiIgdmlld0JveD0iMCAwIDE2IDE2Ij4KICA8cGF0aCBkPSJNOCwxMkwzLDcsNCw2bDQsNCw0LTQsMSwxWiIgZmlsbD0iIzZBNkE2QSIgLz4KPC9zdmc+Cg==);
-  background-position: calc(100% - 4px) center;
-  background-repeat: no-repeat;
-  padding-inline-end: 24px;
-  text-overflow: ellipsis;
-}
-
-select:-moz-focusring {
-  color: transparent;
-  text-shadow: 0 0 0 #000;
-}
-
-select:-moz-focusring * {
-  color: #000;
-  text-shadow: none;
-}
-
-button.hover,
-select.hover {
-  background-color: #ebebeb;
-  border: 1px solid #b1b1b1;
-}
-
-button.pressed,
-select.pressed {
-  background-color: #d4d4d4;
-  border: 1px solid #858585;
-}
-
-button.disabled,
-select.disabled {
-  color: #999;
-  opacity: .5;
-}
-
-button.focused,
-select.focused {
-  border-color: #fff;
-  box-shadow: 0 0 0 2px rgba(97, 181, 255, 0.75);
-}
-
-button.default {
-  background-color: #0996f8;
-  border-color: #0670cc;
-  color: #fff;
-}
-
-button.default.hover {
-  background-color: #0670cc;
-  border-color: #005bab;
-}
-
-button.default.pressed {
-  background-color: #005bab;
-  border-color: #004480;
-}
-
-button.default.focused {
-  border-color: #fff;
-}
-
-/* Radio Buttons */
-.radioItem {
-  margin-bottom: 6px;
-  text-align: left;
-}
-
-input[type="radio"] {
-  display: none;
-}
-
-input[type="radio"] + label {
-  -moz-user-select: none;
-}
-
-input[type="radio"] + label::before {
-  background-color: #fff;
-  background-position: center;
-  border: 1px solid #b1b1b1;
-  border-radius: 50%;
-  content: "";
-  display: inline-block;
-  height: 16px;
-  margin-right: 6px;
-  vertical-align: text-top;
-  width: 16px;
-}
-
-input[type="radio"]:hover + label::before,
-.radioItem.hover input[type="radio"]:not(active) + label::before {
-  background-color: #fbfbfb;
-  border-color: #b1b1b1;
-}
-
-input[type="radio"]:hover:active + label::before,
-.radioItem.pressed input[type="radio"]:not(active) + label::before {
-  background-color: #ebebeb;
-  border-color: #858585;
-}
-
-input[type="radio"]:checked + label::before {
-  background-color: #0996f8;
-  background-image: url(data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxNiIgaGVpZ2h0PSIxNiIgdmlld0JveD0iMCAwIDE2IDE2Ij4KICA8Y2lyY2xlIGN4PSI4IiBjeT0iOCIgcj0iNCIgZmlsbD0iI2ZmZiIgLz4KPC9zdmc+Cg==);
-  border-color: #0670cc;
-}
-
-input[type="radio"]:checked:hover + label::before,
-.radioItem.hover input[type="radio"]:checked:not(active) + label::before {
-  background-color: #0670cc;
-  border-color: #005bab;
-}
-
-input[type="radio"]:checked:hover:active + label::before,
-.radioItem.pressed input[type="radio"]:checked:not(active) + label::before {
-  background-color: #005bab;
-  border-color: #004480;
-}
-
-.radioItem.disabled input[type="radio"] + label,
-.radioItem.disabled input[type="radio"]:hover + label,
-.radioItem.disabled input[type="radio"]:hover:active + label {
-  color: #999;
-  opacity: .5;
-}
-
-.radioItem.focused input[type="radio"] + label::before {
-  border-color: #0996f8;
-  box-shadow: 0 0 0 2px rgba(97, 181, 255, 0.75);
-}
-
-.radioItem.focused input[type="radio"]:checked + label::before {
-  border-color: #fff;
-}
-
-/* Checkboxes */
-.checkboxItem {
-  margin-bottom: 6px;
-  text-align: left;
-}
-
-input[type="checkbox"] {
-  display: none;
-}
-
-input[type="checkbox"] + label {
-  -moz-user-select: none;
-}
-
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-input[type="checkbox"]:checked:hover + label::before,
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-.checkboxItem.disabled input[type="checkbox"] + label,
-.checkboxItem.disabled input[type="checkbox"]:hover + label,
-.checkboxItem.disabled input[type="checkbox"]:hover:active + label {
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-}
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-.checkboxItem.focused input[type="checkbox"] + label::before {
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-}
-
-.checkboxItem.focused input[type="checkbox"]:checked + label::before {
-  border-color: #fff;
-}
-
-/* Expander Button */
-button.expander {
-  background-image: url(data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxNiIgaGVpZ2h0PSIxNiIgdmlld0JveD0iMCAwIDE2IDE2Ij4KICA8cGF0aCBkPSJNOCwxMkwzLDcsNCw2bDQsNCw0LTQsMSwxWiIgZmlsbD0iIzZBNkE2QSIgLz4KPC9zdmc+Cg==);
-  background-position: center;
-  background-repeat: no-repeat;
-  height: 24px;
-  padding: 0;
-  width: 24px;
-}
-
-/* Interactive States */
-button:hover:not(.pressed):not(.disabled):not(.focused),
-select:hover:not(.pressed):not(.disabled):not(.focused) {
-  background-color: #ebebeb;
-  border: 1px solid #b1b1b1;
-}
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-button:hover:active:not(.hover):not(.disabled):not(.focused),
-select:hover:active:not(.hover):not(.disabled):not(.focused) {
-  background-color: #d4d4d4;
-  border: 1px solid #858585;
-}
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-button.default:hover:not(.pressed):not(.disabled):not(.focused) {
-  background-color: #0670cc;
-  border-color: #005bab;
-}
-
-button.default:hover:active:not(.hover):not(.disabled):not(.focused) {
-  background-color: #005bab;
-  border-color: #004480;
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-button:focus:not(.disabled) {
-  border-color: #fff !important;
-  box-shadow: 0 0 0 2px rgba(97, 181, 255, 0.75);
-}
-
-/* Fields */
-input[type="text"],
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-  background-color: #fff;
-  border: 1px solid #b1b1b1;
-  box-shadow: 0 0 0 0 rgba(97, 181, 255, 0);
-  font: caption;
-  padding: 0 6px 0;
-  transition-duration: 250ms;
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-}
-
-input[type="text"] {
-  height: 24px;
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-input[type="text"].hover,
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-  opacity: .5;
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-input[type="text"].focused,
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-  border-color: #0996f8;
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-}
-
-/* Interactive States */
-input[type="text"]:not(disabled):hover,
-textarea:not(disabled):hover {
-  border: 1px solid #858585;
-}
-
-input[type="text"]:focus,
-input[type="text"]:focus:hover,
-textarea:focus,
-textarea:focus:hover {
-  border-color: #0996f8;
-  box-shadow: 0 0 0 2px rgba(97, 181, 255, 0.75);
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-
-/* stylelint-disable property-no-vendor-prefix */
-.panel-section {
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-
-.panel-section-separator {
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-.panel-section-header {
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-  padding: 16px;
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-.panel-section-header > .icon-section-header {
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-.panel-section-header > .text-section-header {
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-.panel-list-item {
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-.panel-list-item:not(.disabled):hover {
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-.panel-list-item:not(.disabled):hover:active {
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-.panel-list-item.disabled {
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-.panel-list-item > .icon {
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-.panel-list-item > .text {
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-.panel-list-item > .text-shortcut {
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-  font-family: "Lucida Grande", caption;
-  font-size: .847em;
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-.panel-section-list .panel-section-separator {
-  margin: 4px 0;
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-/* Panel Section - Form Elements */
-.panel-section-formElements {
-  display: flex;
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-  padding: 16px;
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-.panel-formElements-item {
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-.panel-formElements-item:last-child {
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-.panel-formElements-item label {
-  flex-shrink: 0;
-  margin-right: 6px;
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-}
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-.panel-formElements-item input[type="text"],
-.panel-formElements-item select {
-  flex-grow: 1;
-}
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-/* Panel Section - Footer */
-.panel-section-footer {
-  background-color: rgba(0, 0, 0, 0.06);
-  border-top: 1px solid rgba(0, 0, 0, 0.15);
-  color: #1a1a1a;
-  display: flex;
-  flex-direction: row;
-  height: 41px;
-  margin-top: -1px;
-  padding: 0;
-}
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-.panel-section-footer-button {
-  flex: 1 1 auto;
-  height: 100%;
-  margin: 0 -1px;
-  padding: 12px;
-  text-align: center;
-}
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-.panel-section-footer-button > .text-shortcut {
-  color: #808080;
-  font-family: "Lucida Grande", caption;
-  font-size: .847em;
-}
-
-.panel-section-footer-button:hover {
-  background-color: rgba(0, 0, 0, 0.06);
-}
-
-.panel-section-footer-button:hover:active {
-  background-color: rgba(0, 0, 0, 0.1);
-}
-
-.panel-section-footer-button.default {
-  background-color: #0996f8;
-  box-shadow: 0 1px 0 #0670cc inset;
-  color: #fff;
-}
-
-.panel-section-footer-button.default:hover {
-  background-color: #0670cc;
-  box-shadow: 0 1px 0 #005bab inset;
-}
-
-.panel-section-footer-button.default:hover:active {
-  background-color: #005bab;
-  box-shadow: 0 1px 0 #004480 inset;
-}
-
-.panel-section-footer-separator {
-  background-color: rgba(0, 0, 0, 0.1);
-  width: 1px;
-  z-index: 99;
-}
-
-/* Panel Section - Tabs */
-.panel-section-tabs {
-  color: #1a1a1a;
-  display: flex;
-  flex-direction: row;
-  height: 41px;
-  margin-bottom: -1px;
-  padding: 0;
-}
-
-.panel-section-tabs-button {
-  flex: 1 1 auto;
-  height: 100%;
-  margin: 0 -1px;
-  padding: 12px;
-  text-align: center;
-}
-
-.panel-section-tabs-button:hover {
-  background-color: rgba(0, 0, 0, 0.06);
-}
-
-.panel-section-tabs-button:hover:active {
-  background-color: rgba(0, 0, 0, 0.1);
-}
-
-.panel-section-tabs-button.selected {
-  box-shadow: 0 -1px 0 #0670cc inset, 0 -4px 0 #0996f8 inset;
-  color: #0996f8;
-}
-
-.panel-section-tabs-button.selected:hover {
-  color: #0670cc;
-}
-
-.panel-section-tabs-separator {
-  background-color: rgba(0, 0, 0, 0.1);
-  width: 1px;
-  z-index: 99;
-}
diff --git a/application/basilisk/components/webextensions/extension.svg b/application/basilisk/components/webextensions/extension.svg
deleted file mode 100644
index a16455253..000000000
--- a/application/basilisk/components/webextensions/extension.svg
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- This Source Code Form is subject to the terms of the Mozilla Public
-   - License, v. 2.0. If a copy of the MPL was not distributed with this
-   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
-<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"
-     width="64" height="64" viewBox="0 0 64 64">
-  <defs>
-    <style>
-      .style-puzzle-piece {
-        fill: url('#gradient-linear-puzzle-piece');
-      }
-    </style>
-    <linearGradient id="gradient-linear-puzzle-piece" x1="0%" y1="0%" x2="0%" y2="100%">
-      <stop offset="0%" stop-color="#66cc52" stop-opacity="1"/>
-      <stop offset="100%" stop-color="#60bf4c" stop-opacity="1"/>
-    </linearGradient>
-  </defs>
-  <path class="style-puzzle-piece" d="M42,62c2.2,0,4-1.8,4-4l0-14.2c0,0,0.4-3.7,2.8-3.7c2.4,0,2.2,3.9,6.7,3.9c2.3,0,6.2-1.2,6.2-8.2 c0-7-3.9-7.9-6.2-7.9c-4.5,0-4.3,3.7-6.7,3.7c-2.4,0-2.8-3.8-2.8-3.8V22c0-2.2-1.8-4-4-4H31.5c0,0-3.4-0.6-3.4-3 c0-2.4,3.8-2.6,3.8-7.1c0-2.3-1.3-5.9-8.3-5.9s-8,3.6-8,5.9c0,4.5,3.4,4.7,3.4,7.1c0,2.4-3.4,3-3.4,3H6c-2.2,0-4,1.8-4,4l0,7.8 c0,0-0.4,6,4.4,6c3.1,0,3.2-4.1,7.3-4.1c2,0,4,1.9,4,6c0,4.2-2,6.3-4,6.3c-4,0-4.2-4.1-7.3-4.1c-4.8,0-4.4,5.8-4.4,5.8L2,58 c0,2.2,1.8,4,4,4H19c0,0,6.3,0.4,6.3-4.4c0-3.1-4-3.6-4-7.7c0-2,2.2-4.5,6.4-4.5c4.2,0,6.6,2.5,6.6,4.5c0,4-3.9,4.6-3.9,7.7 c0,4.9,6.3,4.4,6.3,4.4H42z"/>
-</svg>
diff --git a/application/basilisk/components/webextensions/extensions-browser.manifest b/application/basilisk/components/webextensions/extensions-browser.manifest
deleted file mode 100644
index ed5cca813..000000000
--- a/application/basilisk/components/webextensions/extensions-browser.manifest
+++ /dev/null
@@ -1,31 +0,0 @@
-# scripts
-category webextension-scripts bookmarks chrome://browser/content/ext-bookmarks.js
-category webextension-scripts browserAction chrome://browser/content/ext-browserAction.js
-category webextension-scripts commands chrome://browser/content/ext-commands.js
-category webextension-scripts contextMenus chrome://browser/content/ext-contextMenus.js
-category webextension-scripts desktop-runtime chrome://browser/content/ext-desktop-runtime.js
-category webextension-scripts history chrome://browser/content/ext-history.js
-category webextension-scripts omnibox chrome://browser/content/ext-omnibox.js
-category webextension-scripts pageAction chrome://browser/content/ext-pageAction.js
-category webextension-scripts sessions chrome://browser/content/ext-sessions.js
-category webextension-scripts tabs chrome://browser/content/ext-tabs.js
-category webextension-scripts utils chrome://browser/content/ext-utils.js
-category webextension-scripts windows chrome://browser/content/ext-windows.js
-
-# scripts that must run in the same process as addon code.
-category webextension-scripts-addon contextMenus chrome://browser/content/ext-c-contextMenus.js
-category webextension-scripts-addon omnibox chrome://browser/content/ext-c-omnibox.js
-category webextension-scripts-addon tabs chrome://browser/content/ext-c-tabs.js
-
-# schemas
-category webextension-schemas bookmarks chrome://browser/content/schemas/bookmarks.json
-category webextension-schemas browser_action chrome://browser/content/schemas/browser_action.json
-category webextension-schemas commands chrome://browser/content/schemas/commands.json
-category webextension-schemas context_menus chrome://browser/content/schemas/context_menus.json
-category webextension-schemas context_menus_internal chrome://browser/content/schemas/context_menus_internal.json
-category webextension-schemas history chrome://browser/content/schemas/history.json
-category webextension-schemas omnibox chrome://browser/content/schemas/omnibox.json
-category webextension-schemas page_action chrome://browser/content/schemas/page_action.json
-category webextension-schemas sessions chrome://browser/content/schemas/sessions.json
-category webextension-schemas tabs chrome://browser/content/schemas/tabs.json
-category webextension-schemas windows chrome://browser/content/schemas/windows.json
diff --git a/application/basilisk/components/webextensions/jar.mn b/application/basilisk/components/webextensions/jar.mn
deleted file mode 100644
index a7b506ec4..000000000
--- a/application/basilisk/components/webextensions/jar.mn
+++ /dev/null
@@ -1,29 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-browser.jar:
-    content/browser/extension.css
-#ifdef XP_MACOSX
-    content/browser/extension-mac.css
-    content/browser/extension-mac-panel.css
-#endif
-#ifdef XP_WIN
-    content/browser/extension-win-panel.css
-#endif
-    content/browser/extension.svg
-    content/browser/ext-bookmarks.js
-    content/browser/ext-browserAction.js
-    content/browser/ext-commands.js
-    content/browser/ext-contextMenus.js
-    content/browser/ext-desktop-runtime.js
-    content/browser/ext-history.js
-    content/browser/ext-omnibox.js
-    content/browser/ext-pageAction.js
-    content/browser/ext-sessions.js
-    content/browser/ext-tabs.js
-    content/browser/ext-utils.js
-    content/browser/ext-windows.js
-    content/browser/ext-c-contextMenus.js
-    content/browser/ext-c-omnibox.js
-    content/browser/ext-c-tabs.js
diff --git a/application/basilisk/components/webextensions/schemas/LICENSE b/application/basilisk/components/webextensions/schemas/LICENSE
deleted file mode 100644
index 9314092fd..000000000
--- a/application/basilisk/components/webextensions/schemas/LICENSE
+++ /dev/null
@@ -1,27 +0,0 @@
-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//    * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//    * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//    * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/application/basilisk/components/webextensions/schemas/bookmarks.json b/application/basilisk/components/webextensions/schemas/bookmarks.json
deleted file mode 100644
index fb74c633e..000000000
--- a/application/basilisk/components/webextensions/schemas/bookmarks.json
+++ /dev/null
@@ -1,568 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-[
-  {
-    "namespace": "manifest",
-    "types": [
-      {
-        "$extend": "Permission",
-        "choices": [{
-          "type": "string",
-          "enum": [
-            "bookmarks"
-          ]
-        }]
-      }
-    ]
-  },
-  {
-    "namespace": "bookmarks",
-    "description": "Use the <code>browser.bookmarks</code> API to create, organize, and otherwise manipulate bookmarks. Also see $(topic:override)[Override Pages], which you can use to create a custom Bookmark Manager page.",
-    "permissions": ["bookmarks"],
-    "types": [
-      {
-        "id": "BookmarkTreeNodeUnmodifiable",
-        "type": "string",
-        "enum": ["managed"],
-        "description": "Indicates the reason why this node is unmodifiable. The <var>managed</var> value indicates that this node was configured by the system administrator or by the custodian of a supervised user. Omitted if the node can be modified by the user and the extension (default)."
-      },
-      {
-        "id": "BookmarkTreeNode",
-        "type": "object",
-        "description": "A node (either a bookmark or a folder) in the bookmark tree.  Child nodes are ordered within their parent folder.",
-        "properties": {
-          "id": {
-            "type": "string",
-            "description": "The unique identifier for the node. IDs are unique within the current profile, and they remain valid even after the browser is restarted."
-          },
-          "parentId": {
-            "type": "string",
-            "optional": true,
-            "description": "The <code>id</code> of the parent folder.  Omitted for the root node."
-          },
-          "index": {
-            "type": "integer",
-            "optional": true,
-            "description": "The 0-based position of this node within its parent folder."
-          },
-          "url": {
-            "type": "string",
-            "optional": true,
-            "description": "The URL navigated to when a user clicks the bookmark. Omitted for folders."
-          },
-          "title": {
-            "type": "string",
-            "description": "The text displayed for the node."
-          },
-          "dateAdded": {
-            "type": "number",
-            "optional": true,
-            "description": "When this node was created, in milliseconds since the epoch (<code>new Date(dateAdded)</code>)."
-          },
-          "dateGroupModified": {
-            "type": "number",
-            "optional": true,
-            "description": "When the contents of this folder last changed, in milliseconds since the epoch."
-          },
-          "unmodifiable": {
-            "$ref": "BookmarkTreeNodeUnmodifiable",
-            "optional": true,
-            "description": "Indicates the reason why this node is unmodifiable. The <var>managed</var> value indicates that this node was configured by the system administrator or by the custodian of a supervised user. Omitted if the node can be modified by the user and the extension (default)."
-          },
-          "children": {
-            "type": "array",
-            "optional": true,
-            "items": { "$ref": "BookmarkTreeNode" },
-            "description": "An ordered list of children of this node."
-          }
-        }
-      },
-      {
-        "id": "CreateDetails",
-        "description": "Object passed to the create() function.",
-        "type": "object",
-        "properties": {
-          "parentId": {
-            "type": "string",
-            "optional": true,
-            "description": "Defaults to the Other Bookmarks folder."
-          },
-          "index": {
-            "type": "integer",
-            "minimum": 0,
-            "optional": true
-          },
-          "title": {
-            "type": "string",
-            "optional": true
-          },
-          "url": {
-            "type": "string",
-            "optional": true
-          }
-        }
-      }
-    ],
-    "functions": [
-      {
-        "name": "get",
-        "type": "function",
-        "description": "Retrieves the specified BookmarkTreeNode(s).",
-        "async": "callback",
-        "parameters": [
-          {
-            "name": "idOrIdList",
-            "description": "A single string-valued id, or an array of string-valued ids",
-            "choices": [
-              {
-                "type": "string"
-              },
-              {
-                "type": "array",
-                "items": {
-                  "type": "string"
-                },
-                "minItems": 1
-              }
-            ]
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "parameters": [
-              {
-                "name": "results",
-                "type": "array",
-                "items": { "$ref": "BookmarkTreeNode" }
-              }
-            ]
-          }
-        ]
-      },
-      {
-        "name": "getChildren",
-        "type": "function",
-        "description": "Retrieves the children of the specified BookmarkTreeNode id.",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "string",
-            "name": "id"
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "parameters": [
-              {
-                "name": "results",
-                "type": "array",
-                "items": { "$ref": "BookmarkTreeNode"}
-              }
-            ]
-          }
-        ]
-      },
-      {
-        "name": "getRecent",
-        "type": "function",
-        "description": "Retrieves the recently added bookmarks.",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "integer",
-            "minimum": 1,
-            "name": "numberOfItems",
-            "description": "The maximum number of items to return."
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "parameters": [
-              {
-                "name": "results",
-                "type": "array",
-                "items": { "$ref": "BookmarkTreeNode" }
-              }
-            ]
-          }
-        ]
-      },
-      {
-        "name": "getTree",
-        "type": "function",
-        "description": "Retrieves the entire Bookmarks hierarchy.",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "function",
-            "name": "callback",
-            "parameters": [
-              {
-                "name": "results",
-                "type": "array",
-                "items": { "$ref": "BookmarkTreeNode" }
-              }
-            ]
-          }
-        ]
-      },
-      {
-        "name": "getSubTree",
-        "type": "function",
-        "description": "Retrieves part of the Bookmarks hierarchy, starting at the specified node.",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "string",
-            "name": "id",
-            "description": "The ID of the root of the subtree to retrieve."
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "parameters": [
-              {
-                "name": "results",
-                "type": "array",
-                "items": { "$ref": "BookmarkTreeNode" }
-              }
-            ]
-          }
-        ]
-      },
-      {
-        "name": "search",
-        "type": "function",
-        "description": "Searches for BookmarkTreeNodes matching the given query. Queries specified with an object produce BookmarkTreeNodes matching all specified properties.",
-        "async": "callback",
-        "parameters": [
-          {
-            "name": "query",
-            "description": "Either a string of words and quoted phrases that are matched against bookmark URLs and titles, or an object. If an object, the properties <code>query</code>, <code>url</code>, and <code>title</code> may be specified and bookmarks matching all specified properties will be produced.",
-            "choices": [
-              {
-                "type": "string",
-                "description": "A string of words and quoted phrases that are matched against bookmark URLs and titles."
-              },
-              {
-                "type": "object",
-                "description": "An object specifying properties and values to match when searching. Produces bookmarks matching all properties.",
-                "properties": {
-                  "query": {
-                    "type": "string",
-                    "optional": true,
-                    "description": "A string of words and quoted phrases that are matched against bookmark URLs and titles."
-                  },
-                  "url": {
-                    "type": "string",
-                    "format": "url",
-                    "optional": true,
-                    "description": "The URL of the bookmark; matches verbatim. Note that folders have no URL."
-                  },
-                  "title": {
-                    "type": "string",
-                    "optional": true,
-                    "description": "The title of the bookmark; matches verbatim."
-                  }
-                }
-              }
-            ]
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "parameters": [
-              {
-                "name": "results",
-                "type": "array",
-                "items": { "$ref": "BookmarkTreeNode" }
-              }
-            ]
-          }
-        ]
-      },
-      {
-        "name": "create",
-        "type": "function",
-        "description": "Creates a bookmark or folder under the specified parentId.  If url is NULL or missing, it will be a folder.",
-        "async": "callback",
-        "parameters": [
-          {
-            "$ref": "CreateDetails",
-            "name": "bookmark"
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "parameters": [
-              {
-                "name": "result",
-                "$ref": "BookmarkTreeNode"
-              }
-            ]
-          }
-        ]
-      },
-      {
-        "name": "move",
-        "type": "function",
-        "description": "Moves the specified BookmarkTreeNode to the provided location.",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "string",
-            "name": "id"
-          },
-          {
-            "type": "object",
-            "name": "destination",
-            "properties": {
-              "parentId": {
-                "type": "string",
-                "optional": true
-              },
-              "index": {
-                "type": "integer",
-                "minimum": 0,
-                "optional": true
-              }
-            }
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "parameters": [
-              {
-                "name": "result",
-                "$ref": "BookmarkTreeNode"
-              }
-            ]
-          }
-        ]
-      },
-      {
-        "name": "update",
-        "type": "function",
-        "description": "Updates the properties of a bookmark or folder. Specify only the properties that you want to change; unspecified properties will be left unchanged.  <b>Note:</b> Currently, only 'title' and 'url' are supported.",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "string",
-            "name": "id"
-          },
-          {
-            "type": "object",
-            "name": "changes",
-            "properties": {
-              "title": {
-                "type": "string",
-                "optional": true
-              },
-              "url": {
-                "type": "string",
-                "optional": true
-              }
-            }
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "parameters": [
-              {
-                "name": "result",
-                "$ref": "BookmarkTreeNode"
-              }
-            ]
-          }
-        ]
-      },
-      {
-        "name": "remove",
-        "type": "function",
-        "description": "Removes a bookmark or an empty bookmark folder.",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "string",
-            "name": "id"
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "parameters": []
-          }
-        ]
-      },
-      {
-        "name": "removeTree",
-        "type": "function",
-        "description": "Recursively removes a bookmark folder.",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "string",
-            "name": "id"
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "parameters": []
-          }
-        ]
-      },
-      {
-        "name": "import",
-        "unsupported": true,
-        "type": "function",
-        "description": "Imports bookmarks from an html bookmark file",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "parameters": []
-          }
-        ]
-      },
-      {
-        "name": "export",
-        "unsupported": true,
-        "type": "function",
-        "description": "Exports bookmarks to an html bookmark file",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "parameters": []
-          }
-        ]
-      }
-    ],
-    "events": [
-      {
-        "name": "onCreated",
-        "type": "function",
-        "description": "Fired when a bookmark or folder is created.",
-        "parameters": [
-          {
-            "type": "string",
-            "name": "id"
-          },
-          {
-            "$ref": "BookmarkTreeNode",
-            "name": "bookmark"
-          }
-        ]
-      },
-      {
-        "name": "onRemoved",
-        "type": "function",
-        "description": "Fired when a bookmark or folder is removed.  When a folder is removed recursively, a single notification is fired for the folder, and none for its contents.",
-        "parameters": [
-          {
-            "type": "string",
-            "name": "id"
-          },
-          {
-            "type": "object",
-            "name": "removeInfo",
-            "properties": {
-              "parentId": { "type": "string" },
-              "index": { "type": "integer" },
-              "node": { "$ref": "BookmarkTreeNode" }
-            }
-          }
-        ]
-      },
-      {
-        "name": "onChanged",
-        "type": "function",
-        "description": "Fired when a bookmark or folder changes.  <b>Note:</b> Currently, only title and url changes trigger this.",
-        "parameters": [
-          {
-            "type": "string",
-            "name": "id"
-          },
-          {
-            "type": "object",
-            "name": "changeInfo",
-            "properties": {
-              "title": { "type": "string" },
-              "url": {
-                "type": "string",
-                "optional": true
-              }
-            }
-          }
-        ]
-      },
-      {
-        "name": "onMoved",
-        "type": "function",
-        "description": "Fired when a bookmark or folder is moved to a different parent folder.",
-        "parameters": [
-          {
-            "type": "string",
-            "name": "id"
-          },
-          {
-            "type": "object",
-            "name": "moveInfo",
-            "properties": {
-              "parentId": { "type": "string" },
-              "index": { "type": "integer" },
-              "oldParentId": { "type": "string" },
-              "oldIndex": { "type": "integer" }
-            }
-          }
-        ]
-      },
-      {
-        "name": "onChildrenReordered",
-        "unsupported": true,
-        "type": "function",
-        "description": "Fired when the children of a folder have changed their order due to the order being sorted in the UI.  This is not called as a result of a move().",
-        "parameters": [
-          {
-            "type": "string",
-            "name": "id"
-          },
-          {
-            "type": "object",
-            "name": "reorderInfo",
-            "properties": {
-              "childIds": {
-                "type": "array",
-                "items": { "type": "string" }
-              }
-            }
-          }
-        ]
-      },
-      {
-        "name": "onImportBegan",
-        "unsupported": true,
-        "type": "function",
-        "description": "Fired when a bookmark import session is begun.  Expensive observers should ignore onCreated updates until onImportEnded is fired.  Observers should still handle other notifications immediately.",
-        "parameters": []
-      },
-      {
-        "name": "onImportEnded",
-        "unsupported": true,
-        "type": "function",
-        "description": "Fired when a bookmark import session is ended.",
-        "parameters": []
-      }
-    ]
-  }
-]
diff --git a/application/basilisk/components/webextensions/schemas/browser_action.json b/application/basilisk/components/webextensions/schemas/browser_action.json
deleted file mode 100644
index 1a7da956a..000000000
--- a/application/basilisk/components/webextensions/schemas/browser_action.json
+++ /dev/null
@@ -1,430 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-[
-  {
-    "namespace": "manifest",
-    "types": [
-      {
-        "$extend": "WebExtensionManifest",
-        "properties": {
-          "browser_action": {
-            "type": "object",
-            "additionalProperties": { "$ref": "UnrecognizedProperty" },
-            "properties": {
-              "default_title": {
-                "type": "string",
-                "optional": true,
-                "preprocess": "localize"
-              },
-              "default_icon": {
-                "$ref": "IconPath",
-                "optional": true
-              },
-              "default_popup": {
-                "type": "string",
-                "format": "relativeUrl",
-                "optional": true,
-                "preprocess": "localize"
-              },
-              "browser_style": {
-                "type": "boolean",
-                "optional": true
-              }
-            },
-            "optional": true
-          }
-        }
-      }
-    ]
-  },
-  {
-    "namespace": "browserAction",
-    "description": "Use browser actions to put icons in the main browser toolbar, to the right of the address bar. In addition to its icon, a browser action can also have a tooltip, a badge, and a popup.",
-    "permissions": ["manifest:browser_action"],
-    "types": [
-      {
-        "id": "ColorArray",
-        "type": "array",
-        "items": {
-          "type": "integer",
-          "minimum": 0,
-          "maximum": 255
-        },
-        "minItems": 4,
-        "maxItems": 4
-      },
-      {
-        "id": "ImageDataType",
-        "type": "object",
-        "isInstanceOf": "ImageData",
-        "additionalProperties": { "type": "any" },
-        "postprocess": "convertImageDataToURL",
-        "description": "Pixel data for an image. Must be an ImageData object (for example, from a <code>canvas</code> element)."
-      }
-    ],
-    "functions": [
-      {
-        "name": "setTitle",
-        "type": "function",
-        "description": "Sets the title of the browser action. This shows up in the tooltip.",
-        "async": "callback",
-        "parameters": [
-          {
-            "name": "details",
-            "type": "object",
-            "properties": {
-              "title": {
-                "type": "string",
-                "description": "The string the browser action should display when moused over."
-              },
-              "tabId": {
-                "type": "integer",
-                "optional": true,
-                "description": "Limits the change to when a particular tab is selected. Automatically resets when the tab is closed."
-              }
-            }
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "parameters": []
-          }
-        ]
-      },
-      {
-        "name": "getTitle",
-        "type": "function",
-        "description": "Gets the title of the browser action.",
-        "async": "callback",
-        "parameters": [
-          {
-            "name": "details",
-            "type": "object",
-            "properties": {
-              "tabId": {
-                "type": "integer",
-                "optional": true,
-                "description": "Specify the tab to get the title from. If no tab is specified, the non-tab-specific title is returned."
-              }
-            }
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "parameters": [
-              {
-                "name": "result",
-                "type": "string"
-              }
-            ]
-          }
-        ]
-      },
-      {
-        "name": "setIcon",
-        "type": "function",
-        "description": "Sets the icon for the browser action. The icon can be specified either as the path to an image file or as the pixel data from a canvas element, or as dictionary of either one of those. Either the <b>path</b> or the <b>imageData</b> property must be specified.",
-        "async": "callback",
-        "parameters": [
-          {
-            "name": "details",
-            "type": "object",
-            "properties": {
-              "imageData": {
-                "choices": [
-                  { "$ref": "ImageDataType" },
-                  {
-                    "type": "object",
-                    "additionalProperties": {"$ref": "ImageDataType"}
-                  }
-                ],
-                "optional": true,
-                "description": "Either an ImageData object or a dictionary {size -> ImageData} representing icon to be set. If the icon is specified as a dictionary, the actual image to be used is chosen depending on screen's pixel density. If the number of image pixels that fit into one screen space unit equals <code>scale</code>, then image with size <code>scale</code> * 19 will be selected. Initially only scales 1 and 2 will be supported. At least one image must be specified. Note that 'details.imageData = foo' is equivalent to 'details.imageData = {'19': foo}'"
-              },
-              "path": {
-                "choices": [
-                  { "type": "string" },
-                  {
-                    "type": "object",
-                    "additionalProperties": {"type": "string"}
-                  }
-                ],
-                "optional": true,
-                "description": "Either a relative image path or a dictionary {size -> relative image path} pointing to icon to be set. If the icon is specified as a dictionary, the actual image to be used is chosen depending on screen's pixel density. If the number of image pixels that fit into one screen space unit equals <code>scale</code>, then image with size <code>scale</code> * 19 will be selected. Initially only scales 1 and 2 will be supported. At least one image must be specified. Note that 'details.path = foo' is equivalent to 'details.imageData = {'19': foo}'"
-              },
-              "tabId": {
-                "type": "integer",
-                "optional": true,
-                "description": "Limits the change to when a particular tab is selected. Automatically resets when the tab is closed."
-              }
-            }
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "parameters": []
-          }
-        ]
-      },
-      {
-        "name": "setPopup",
-        "type": "function",
-        "description": "Sets the html document to be opened as a popup when the user clicks on the browser action's icon.",
-        "async": "callback",
-        "parameters": [
-          {
-            "name": "details",
-            "type": "object",
-            "properties": {
-              "tabId": {
-                "type": "integer",
-                "optional": true,
-                "minimum": 0,
-                "description": "Limits the change to when a particular tab is selected. Automatically resets when the tab is closed."
-              },
-              "popup": {
-                "type": "string",
-                "description": "The html file to show in a popup.  If set to the empty string (''), no popup is shown."
-              }
-            }
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "parameters": []
-          }
-        ]
-      },
-      {
-        "name": "getPopup",
-        "type": "function",
-        "description": "Gets the html document set as the popup for this browser action.",
-        "async": "callback",
-        "parameters": [
-          {
-            "name": "details",
-            "type": "object",
-            "properties": {
-              "tabId": {
-                "type": "integer",
-                "optional": true,
-                "description": "Specify the tab to get the popup from. If no tab is specified, the non-tab-specific popup is returned."
-              }
-            }
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "parameters": [
-              {
-                "name": "result",
-                "type": "string"
-              }
-            ]
-          }
-        ]
-      },
-      {
-        "name": "setBadgeText",
-        "type": "function",
-        "description": "Sets the badge text for the browser action. The badge is displayed on top of the icon.",
-        "async": "callback",
-        "parameters": [
-          {
-            "name": "details",
-            "type": "object",
-            "properties": {
-              "text": {
-                "type": "string",
-                "description": "Any number of characters can be passed, but only about four can fit in the space."
-              },
-              "tabId": {
-                "type": "integer",
-                "optional": true,
-                "description": "Limits the change to when a particular tab is selected. Automatically resets when the tab is closed."
-              }
-            }
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "parameters": []
-          }
-        ]
-      },
-      {
-        "name": "getBadgeText",
-        "type": "function",
-        "description": "Gets the badge text of the browser action. If no tab is specified, the non-tab-specific badge text is returned.",
-        "async": "callback",
-        "parameters": [
-          {
-            "name": "details",
-            "type": "object",
-            "properties": {
-              "tabId": {
-                "type": "integer",
-                "optional": true,
-                "description": "Specify the tab to get the badge text from. If no tab is specified, the non-tab-specific badge text is returned."
-              }
-            }
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "parameters": [
-              {
-                "name": "result",
-                "type": "string"
-              }
-            ]
-          }
-        ]
-      },
-      {
-        "name": "setBadgeBackgroundColor",
-        "type": "function",
-        "description": "Sets the background color for the badge.",
-        "async": "callback",
-        "parameters": [
-          {
-            "name": "details",
-            "type": "object",
-            "properties": {
-              "color": {
-                "description": "An array of four integers in the range [0,255] that make up the RGBA color of the badge. For example, opaque red is <code>[255, 0, 0, 255]</code>. Can also be a string with a CSS value, with opaque red being <code>#FF0000</code> or <code>#F00</code>.",
-                "choices": [
-                  {"type": "string"},
-                  {"$ref": "ColorArray"}
-                ]
-              },
-              "tabId": {
-                "type": "integer",
-                "optional": true,
-                "description": "Limits the change to when a particular tab is selected. Automatically resets when the tab is closed."
-              }
-            }
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "parameters": []
-          }
-        ]
-      },
-      {
-        "name": "getBadgeBackgroundColor",
-        "type": "function",
-        "description": "Gets the background color of the browser action.",
-        "async": "callback",
-        "parameters": [
-          {
-            "name": "details",
-            "type": "object",
-            "properties": {
-              "tabId": {
-                "type": "integer",
-                "optional": true,
-                "description": "Specify the tab to get the badge background color from. If no tab is specified, the non-tab-specific badge background color is returned."
-              }
-            }
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "parameters": [
-              {
-                "name": "result",
-                "$ref": "ColorArray"
-              }
-            ]
-          }
-        ]
-      },
-      {
-        "name": "enable",
-        "type": "function",
-        "description": "Enables the browser action for a tab. By default, browser actions are enabled.",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "integer",
-            "optional": true,
-            "name": "tabId",
-            "minimum": 0,
-            "description": "The id of the tab for which you want to modify the browser action."
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "parameters": []
-          }
-        ]
-      },
-      {
-        "name": "disable",
-        "type": "function",
-        "description": "Disables the browser action for a tab.",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "integer",
-            "optional": true,
-            "name": "tabId",
-            "minimum": 0,
-            "description": "The id of the tab for which you want to modify the browser action."
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "parameters": []
-          }
-        ]
-      },
-      {
-        "name": "openPopup",
-        "type": "function",
-        "description": "Opens the extension popup window in the active window but does not grant tab permissions.",
-        "unsupported": true,
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "function",
-            "name": "callback",
-            "parameters": [
-              {
-                "name": "popupView",
-                "type": "object",
-                "optional": true,
-                "description": "JavaScript 'window' object for the popup window if it was succesfully opened.",
-                "additionalProperties": { "type": "any" }
-              }
-            ]
-          }
-        ]
-      }
-    ],
-    "events": [
-      {
-        "name": "onClicked",
-        "type": "function",
-        "description": "Fired when a browser action icon is clicked.  This event will not fire if the browser action has a popup.",
-        "parameters": [
-          {
-            "name": "tab",
-            "$ref": "tabs.Tab"
-          }
-        ]
-      }
-    ]
-  }
-]
diff --git a/application/basilisk/components/webextensions/schemas/commands.json b/application/basilisk/components/webextensions/schemas/commands.json
deleted file mode 100644
index a1632088e..000000000
--- a/application/basilisk/components/webextensions/schemas/commands.json
+++ /dev/null
@@ -1,148 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-[
-  {
-    "namespace": "manifest",
-    "types": [
-     {
-        "id": "KeyName",
-        "choices": [
-          {
-            "type": "string",
-            "pattern": "^\\s*(Alt|Ctrl|Command|MacCtrl)\\s*\\+\\s*(Shift\\s*\\+\\s*)?([A-Z0-9]|Comma|Period|Home|End|PageUp|PageDown|Space|Insert|Delete|Up|Down|Left|Right)\\s*$"
-          },
-          {
-            "type": "string",
-            "pattern": "^(MediaNextTrack|MediaPlayPause|MediaPrevTrack|MediaStop)$"
-          }
-        ]
-      },
-      {
-        "$extend": "WebExtensionManifest",
-        "properties": {
-          "commands": {
-            "type": "object",
-            "optional": true,
-            "additionalProperties": {
-              "type": "object",
-              "additionalProperties": { "$ref": "UnrecognizedProperty" },
-              "properties": {
-                "suggested_key": {
-                  "type": "object",
-                  "optional": true,
-                  "properties": {
-                    "default": {
-                      "$ref": "KeyName",
-                      "optional": true
-                    },
-                    "mac": {
-                      "$ref": "KeyName",
-                      "optional": true
-                    },
-                    "linux": {
-                      "$ref": "KeyName",
-                      "optional": true
-                    },
-                    "windows": {
-                      "$ref": "KeyName",
-                      "optional": true
-                    },
-                    "chromeos": {
-                      "type": "string",
-                      "optional": true
-                    },
-                    "android": {
-                      "type": "string",
-                      "optional": true
-                    },
-                    "ios": {
-                      "type": "string",
-                      "optional": true
-                    },
-                    "additionalProperties": {
-                      "type": "string",
-                      "deprecated": "Unknown platform name",
-                      "optional": true
-                    }
-                  }
-                },
-                "description": {
-                  "type": "string",
-                  "optional": true
-                }
-              }
-            }
-          }
-        }
-      }
-    ]
-  },
-  {
-    "namespace": "commands",
-    "description": "Use the commands API to add keyboard shortcuts that trigger actions in your extension, for example, an action to open the browser action or send a command to the xtension.",
-    "permissions": ["manifest:commands"],
-    "types": [
-      {
-        "id": "Command",
-        "type": "object",
-        "properties": {
-          "name":        {
-            "type": "string",
-            "optional": true,
-            "description": "The name of the Extension Command"
-          },
-          "description": {
-            "type": "string",
-            "optional": true,
-            "description": "The Extension Command description"
-          },
-          "shortcut": {
-            "type": "string",
-            "optional": true,
-            "description": "The shortcut active for this command, or blank if not active."
-          }
-        }
-      }
-    ],
-    "events": [
-      {
-        "name": "onCommand",
-        "description": "Fired when a registered command is activated using a keyboard shortcut.",
-        "type": "function",
-        "parameters": [
-          {
-            "name": "command",
-            "type": "string"
-          }
-        ]
-      }
-    ],
-    "functions": [
-      {
-        "name": "getAll",
-        "type": "function",
-        "async": "callback",
-        "description": "Returns all the registered extension commands for this extension and their shortcut (if active).",
-        "parameters": [
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "parameters": [
-              {
-                "name": "commands",
-                "type": "array",
-                "items": {
-                  "$ref": "Command"
-                }
-              }
-            ],
-            "description": "Called to return the registered commands."
-          }
-        ]
-      }
-    ]
-  }
-]
diff --git a/application/basilisk/components/webextensions/schemas/context_menus.json b/application/basilisk/components/webextensions/schemas/context_menus.json
deleted file mode 100644
index b31af51f3..000000000
--- a/application/basilisk/components/webextensions/schemas/context_menus.json
+++ /dev/null
@@ -1,424 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-[
-  {
-    "namespace": "manifest",
-    "types": [
-      {
-        "$extend": "Permission",
-        "choices": [{
-          "type": "string",
-          "enum": [
-            "contextMenus"
-          ]
-        }]
-      }
-    ]
-  },
-  {
-    "namespace": "contextMenus",
-    "description": "Use the <code>browser.contextMenus</code> API to add items to the browser's context menu. You can choose what types of objects your context menu additions apply to, such as images, hyperlinks, and pages.",
-    "permissions": ["contextMenus"],
-    "properties": {
-      "ACTION_MENU_TOP_LEVEL_LIMIT": {
-        "value": 6,
-        "description": "The maximum number of top level extension items that can be added to an extension action context menu. Any items beyond this limit will be ignored."
-      }
-    },
-    "types": [
-      {
-        "id": "ContextType",
-        "type": "string",
-        "enum": ["all", "page", "frame", "selection", "link", "editable", "image", "video", "audio", "launcher", "browser_action", "page_action"],
-        "description": "The different contexts a menu can appear in. Specifying 'all' is equivalent to the combination of all other contexts except for 'launcher'. The 'launcher' context is only supported by apps and is used to add menu items to the context menu that appears when clicking on the app icon in the launcher/taskbar/dock/etc. Different platforms might put limitations on what is actually supported in a launcher context menu."
-      },
-      {
-        "id": "ItemType",
-        "type": "string",
-        "enum": ["normal", "checkbox", "radio", "separator"],
-        "description": "The type of menu item."
-      },
-      {
-        "id": "OnClickData",
-        "type": "object",
-        "description": "Information sent when a context menu item is clicked.",
-        "properties": {
-          "menuItemId": {
-            "choices": [
-              { "type": "integer" },
-              { "type": "string" }
-            ],
-            "description": "The ID of the menu item that was clicked."
-          },
-          "parentMenuItemId": {
-            "choices": [
-              { "type": "integer" },
-              { "type": "string" }
-            ],
-            "optional": true,
-            "description": "The parent ID, if any, for the item clicked."
-          },
-          "mediaType": {
-            "type": "string",
-            "optional": true,
-            "description": "One of 'image', 'video', or 'audio' if the context menu was activated on one of these types of elements."
-          },
-          "linkUrl": {
-            "type": "string",
-            "optional": true,
-            "description": "If the element is a link, the URL it points to."
-          },
-          "srcUrl": {
-            "type": "string",
-            "optional": true,
-            "description": "Will be present for elements with a 'src' URL."
-          },
-          "pageUrl": {
-            "type": "string",
-            "optional": true,
-            "description": "The URL of the page where the menu item was clicked. This property is not set if the click occured in a context where there is no current page, such as in a launcher context menu."
-          },
-          "frameUrl": {
-            "type": "string",
-            "optional": true,
-            "description": " The URL of the frame of the element where the context menu was clicked, if it was in a frame."
-          },
-          "selectionText": {
-            "type": "string",
-            "optional": true,
-            "description": "The text for the context selection, if any."
-          },
-          "editable": {
-            "type": "boolean",
-            "description": "A flag indicating whether the element is editable (text input, textarea, etc.)."
-          },
-          "wasChecked": {
-            "type": "boolean",
-            "optional": true,
-            "description": "A flag indicating the state of a checkbox or radio item before it was clicked."
-          },
-          "checked": {
-            "type": "boolean",
-            "optional": true,
-            "description": "A flag indicating the state of a checkbox or radio item after it is clicked."
-          }
-        }
-      }
-    ],
-    "functions": [
-      {
-        "name": "create",
-        "type": "function",
-        "description": "Creates a new context menu item. Note that if an error occurs during creation, you may not find out until the creation callback fires (the details will be in $(ref:runtime.lastError)).",
-        "returns": {
-          "choices": [
-            { "type": "integer" },
-            { "type": "string" }
-          ],
-          "description": "The ID of the newly created item."
-        },
-        "parameters": [
-          {
-            "type": "object",
-            "name": "createProperties",
-            "properties": {
-              "type": {
-                "$ref": "ItemType",
-                "optional": true,
-                "description": "The type of menu item. Defaults to 'normal' if not specified."
-              },
-              "id": {
-                "type": "string",
-                "optional": true,
-                "description": "The unique ID to assign to this item. Mandatory for event pages. Cannot be the same as another ID for this extension."
-              },
-              "title": {
-                "type": "string",
-                "optional": true,
-                "description": "The text to be displayed in the item; this is <em>required</em> unless <code>type</code> is 'separator'. When the context is 'selection', you can use <code>%s</code> within the string to show the selected text. For example, if this parameter's value is \"Translate '%s' to Pig Latin\" and the user selects the word \"cool\", the context menu item for the selection is \"Translate 'cool' to Pig Latin\"."
-              },
-              "checked": {
-                "type": "boolean",
-                "optional": true,
-                "description": "The initial state of a checkbox or radio item: true for selected and false for unselected. Only one radio item can be selected at a time in a given group of radio items."
-              },
-              "contexts": {
-                "type": "array",
-                "items": {
-                  "$ref": "ContextType"
-                },
-                "minItems": 1,
-                "optional": true,
-                "description": "List of contexts this menu item will appear in. Defaults to ['page'] if not specified."
-              },
-              "onclick": {
-                "type": "function",
-                "optional": true,
-                "description": "A function that will be called back when the menu item is clicked. Event pages cannot use this; instead, they should register a listener for $(ref:contextMenus.onClicked).",
-                "parameters": [
-                  {
-                    "name": "info",
-                    "$ref": "contextMenusInternal.OnClickData",
-                    "description": "Information about the item clicked and the context where the click happened."
-                  },
-                  {
-                    "name": "tab",
-                    "$ref": "tabs.Tab",
-                    "description": "The details of the tab where the click took place. Note: this parameter only present for extensions."
-                  }
-                ]
-              },
-              "parentId": {
-                "choices": [
-                  { "type": "integer" },
-                  { "type": "string" }
-                ],
-                "optional": true,
-                "description": "The ID of a parent menu item; this makes the item a child of a previously added item."
-              },
-              "documentUrlPatterns": {
-                "type": "array",
-                "items": {"type": "string"},
-                "optional": true,
-                "description": "Lets you restrict the item to apply only to documents whose URL matches one of the given patterns. (This applies to frames as well.) For details on the format of a pattern, see $(topic:match_patterns)[Match Patterns]."
-              },
-              "targetUrlPatterns": {
-                "type": "array",
-                "items": {"type": "string"},
-                "optional": true,
-                "description": "Similar to documentUrlPatterns, but lets you filter based on the src attribute of img/audio/video tags and the href of anchor tags."
-              },
-              "enabled": {
-                "type": "boolean",
-                "optional": true,
-                "description": "Whether this context menu item is enabled or disabled. Defaults to true."
-              }
-            }
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "description": "Called when the item has been created in the browser. If there were any problems creating the item, details will be available in $(ref:runtime.lastError).",
-            "parameters": []
-          }
-        ]
-      },
-      {
-        "name": "createInternal",
-        "type": "function",
-        "allowedContexts": ["addon_parent_only"],
-        "async": "callback",
-        "description": "Identical to contextMenus.create, except: the 'id' field is required and allows an integer, 'onclick' is not allowed, and the method is async (and the return value is not a menu item ID).",
-        "parameters": [
-          {
-            "type": "object",
-            "name": "createProperties",
-            "properties": {
-              "type": {
-                "$ref": "ItemType",
-                "optional": true
-              },
-              "id": {
-                "choices": [
-                  { "type": "integer" },
-                  { "type": "string" }
-                ]
-              },
-              "title": {
-                "type": "string",
-                "optional": true
-              },
-              "checked": {
-                "type": "boolean",
-                "optional": true
-              },
-              "contexts": {
-                "type": "array",
-                "items": {
-                  "$ref": "ContextType"
-                },
-                "minItems": 1,
-                "optional": true
-              },
-              "parentId": {
-                "choices": [
-                  { "type": "integer" },
-                  { "type": "string" }
-                ],
-                "optional": true
-              },
-              "documentUrlPatterns": {
-                "type": "array",
-                "items": {"type": "string"},
-                "optional": true
-              },
-              "targetUrlPatterns": {
-                "type": "array",
-                "items": {"type": "string"},
-                "optional": true
-              },
-              "enabled": {
-                "type": "boolean",
-                "optional": true
-              }
-            }
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "parameters": []
-          }
-        ]
-      },
-      {
-        "name": "update",
-        "type": "function",
-        "description": "Updates a previously created context menu item.",
-        "async": "callback",
-        "parameters": [
-          {
-            "choices": [
-              { "type": "integer" },
-              { "type": "string" }
-            ],
-            "name": "id",
-            "description": "The ID of the item to update."
-          },
-          {
-            "type": "object",
-            "name": "updateProperties",
-            "description": "The properties to update. Accepts the same values as the create function.",
-            "properties": {
-              "type": {
-                "$ref": "ItemType",
-                "optional": true
-              },
-              "title": {
-                "type": "string",
-                "optional": true
-              },
-              "checked": {
-                "type": "boolean",
-                "optional": true
-              },
-              "contexts": {
-                "type": "array",
-                "items": {
-                  "$ref": "ContextType"
-                },
-                "minItems": 1,
-                "optional": true
-              },
-              "onclick": {
-                "type": "function",
-                "optional": "omit-key-if-missing",
-                "parameters": [
-                  {
-                    "name": "info",
-                    "$ref": "contextMenusInternal.OnClickData"
-                  },
-                  {
-                    "name": "tab",
-                    "$ref": "tabs.Tab",
-                    "description": "The details of the tab where the click took place. Note: this parameter only present for extensions."
-                  }
-                ]
-              },
-              "parentId": {
-                "choices": [
-                  { "type": "integer" },
-                  { "type": "string" }
-                ],
-                "optional": true,
-                "description": "Note: You cannot change an item to be a child of one of its own descendants."
-              },
-              "documentUrlPatterns": {
-                "type": "array",
-                "items": {"type": "string"},
-                "optional": true
-              },
-              "targetUrlPatterns": {
-                "type": "array",
-                "items": {"type": "string"},
-                "optional": true
-              },
-              "enabled": {
-                "type": "boolean",
-                "optional": true
-              }
-            }
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "parameters": [],
-            "description": "Called when the context menu has been updated."
-          }
-        ]
-      },
-      {
-        "name": "remove",
-        "type": "function",
-        "description": "Removes a context menu item.",
-        "async": "callback",
-        "parameters": [
-          {
-            "choices": [
-              { "type": "integer" },
-              { "type": "string" }
-            ],
-            "name": "menuItemId",
-            "description": "The ID of the context menu item to remove."
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "parameters": [],
-            "description": "Called when the context menu has been removed."
-          }
-        ]
-      },
-      {
-        "name": "removeAll",
-        "type": "function",
-        "description": "Removes all context menu items added by this extension.",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "parameters": [],
-            "description": "Called when removal is complete."
-          }
-        ]
-      }
-    ],
-    "events": [
-      {
-        "name": "onClicked",
-        "type": "function",
-        "description": "Fired when a context menu item is clicked.",
-        "parameters": [
-          {
-            "name": "info",
-            "$ref": "OnClickData",
-            "description": "Information about the item clicked and the context where the click happened."
-          },
-          {
-            "name": "tab",
-            "$ref": "tabs.Tab",
-            "description": "The details of the tab where the click took place. If the click did not take place in a tab, this parameter will be missing.",
-            "optional": true
-          }
-        ]
-      }
-    ]
-  }
-]
diff --git a/application/basilisk/components/webextensions/schemas/context_menus_internal.json b/application/basilisk/components/webextensions/schemas/context_menus_internal.json
deleted file mode 100644
index c3cb7aff0..000000000
--- a/application/basilisk/components/webextensions/schemas/context_menus_internal.json
+++ /dev/null
@@ -1,78 +0,0 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-[
-  {
-    "namespace": "contextMenusInternal",
-    "description": "Use the <code>browser.contextMenus</code> API to add items to the browser's context menu. You can choose what types of objects your context menu additions apply to, such as images, hyperlinks, and pages.",
-    "types": [
-      {
-        "id": "OnClickData",
-        "type": "object",
-        "description": "Information sent when a context menu item is clicked.",
-        "properties": {
-          "menuItemId": {
-            "choices": [
-              { "type": "integer" },
-              { "type": "string" }
-            ],
-            "description": "The ID of the menu item that was clicked."
-          },
-          "parentMenuItemId": {
-            "choices": [
-              { "type": "integer" },
-              { "type": "string" }
-            ],
-            "optional": true,
-            "description": "The parent ID, if any, for the item clicked."
-          },
-          "mediaType": {
-            "type": "string",
-            "optional": true,
-            "description": "One of 'image', 'video', or 'audio' if the context menu was activated on one of these types of elements."
-          },
-          "linkUrl": {
-            "type": "string",
-            "optional": true,
-            "description": "If the element is a link, the URL it points to."
-          },
-          "srcUrl": {
-            "type": "string",
-            "optional": true,
-            "description": "Will be present for elements with a 'src' URL."
-          },
-          "pageUrl": {
-            "type": "string",
-            "optional": true,
-            "description": "The URL of the page where the menu item was clicked. This property is not set if the click occured in a context where there is no current page, such as in a launcher context menu."
-          },
-          "frameUrl": {
-            "type": "string",
-            "optional": true,
-            "description": " The URL of the frame of the element where the context menu was clicked, if it was in a frame."
-          },
-          "selectionText": {
-            "type": "string",
-            "optional": true,
-            "description": "The text for the context selection, if any."
-          },
-          "editable": {
-            "type": "boolean",
-            "description": "A flag indicating whether the element is editable (text input, textarea, etc.)."
-          },
-          "wasChecked": {
-            "type": "boolean",
-            "optional": true,
-            "description": "A flag indicating the state of a checkbox or radio item before it was clicked."
-          },
-          "checked": {
-            "type": "boolean",
-            "optional": true,
-            "description": "A flag indicating the state of a checkbox or radio item after it is clicked."
-          }
-        }
-      }
-    ]
-  }
-]
diff --git a/application/basilisk/components/webextensions/schemas/history.json b/application/basilisk/components/webextensions/schemas/history.json
deleted file mode 100644
index e05569e38..000000000
--- a/application/basilisk/components/webextensions/schemas/history.json
+++ /dev/null
@@ -1,316 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-[
-  {
-    "namespace": "manifest",
-    "types": [
-      {
-        "$extend": "Permission",
-        "choices": [{
-          "type": "string",
-          "enum": [
-            "history"
-          ]
-        }]
-      }
-    ]
-  },
-  {
-    "namespace": "history",
-    "description": "Use the <code>browser.history</code> API to interact with the browser's record of visited pages. You can add, remove, and query for URLs in the browser's history. To override the history page with your own version, see $(topic:override)[Override Pages].",
-    "permissions": ["history"],
-    "types": [
-      {
-        "id": "TransitionType",
-        "type": "string",
-        "enum": ["link", "typed", "auto_bookmark", "auto_subframe", "manual_subframe", "generated", "auto_toplevel", "form_submit", "reload", "keyword", "keyword_generated"],
-        "description": "The $(topic:transition-types)[transition type] for this visit from its referrer."
-      },
-      {
-        "id": "HistoryItem",
-        "type": "object",
-        "description": "An object encapsulating one result of a history query.",
-        "properties": {
-          "id": {
-            "type": "string",
-            "description": "The unique identifier for the item."
-          },
-          "url": {
-            "type": "string",
-            "optional": true,
-            "description": "The URL navigated to by a user."
-          },
-          "title": {
-            "type": "string",
-            "optional": true,
-            "description": "The title of the page when it was last loaded."
-          },
-          "lastVisitTime": {
-            "type": "number",
-            "optional": true,
-            "description": "When this page was last loaded, represented in milliseconds since the epoch."
-          },
-          "visitCount": {
-            "type": "integer",
-            "optional": true,
-            "description": "The number of times the user has navigated to this page."
-          },
-          "typedCount": {
-            "type": "integer",
-            "optional": true,
-            "description": "The number of times the user has navigated to this page by typing in the address."
-          }
-        }
-      },
-      {
-        "id": "VisitItem",
-        "type": "object",
-        "description": "An object encapsulating one visit to a URL.",
-        "properties": {
-          "id": {
-            "type": "string",
-            "description": "The unique identifier for the item."
-          },
-          "visitId": {
-            "type": "string",
-            "description": "The unique identifier for this visit."
-          },
-          "visitTime": {
-            "type": "number",
-            "optional": true,
-            "description": "When this visit occurred, represented in milliseconds since the epoch."
-          },
-          "referringVisitId": {
-            "type": "string",
-            "description": "The visit ID of the referrer."
-          },
-          "transition": {
-            "$ref": "TransitionType",
-            "description": "The $(topic:transition-types)[transition type] for this visit from its referrer."
-          }
-        }
-      }
-    ],
-    "functions": [
-      {
-        "name": "search",
-        "type": "function",
-        "description": "Searches the history for the last visit time of each page matching the query.",
-        "async": "callback",
-        "parameters": [
-          {
-            "name": "query",
-            "type": "object",
-            "properties": {
-              "text": {
-                "type": "string",
-                "description": "A free-text query to the history service.  Leave empty to retrieve all pages."
-              },
-              "startTime": {
-                "$ref": "extensionTypes.Date",
-                "optional": true,
-                "description": "Limit results to those visited after this date. If not specified, this defaults to 24 hours in the past."
-              },
-              "endTime": {
-                "$ref": "extensionTypes.Date",
-                "optional": true,
-                "description": "Limit results to those visited before this date."
-              },
-              "maxResults": {
-                "type": "integer",
-                "optional": true,
-                "minimum": 1,
-                "description": "The maximum number of results to retrieve.  Defaults to 100."
-              }
-            }
-          },
-          {
-            "name": "callback",
-            "type": "function",
-            "parameters": [
-              {
-                "name": "results",
-                "type": "array",
-                "items": {
-                  "$ref": "HistoryItem"
-                }
-              }
-            ]
-          }
-        ]
-      },
-      {
-        "name": "getVisits",
-        "type": "function",
-        "description": "Retrieves information about visits to a URL.",
-        "async": "callback",
-        "parameters": [
-          {
-            "name": "details",
-            "type": "object",
-            "properties": {
-              "url": {
-                "type": "string",
-                "description": "The URL for which to retrieve visit information.  It must be in the format as returned from a call to history.search."
-              }
-            }
-          },
-          {
-            "name": "callback",
-            "type": "function",
-            "parameters": [
-              {
-                "name": "results",
-                "type": "array",
-                "items": {
-                  "$ref": "VisitItem"
-                }
-              }
-            ]
-          }
-        ]
-      },
-      {
-        "name": "addUrl",
-        "type": "function",
-        "description": "Adds a URL to the history with a default visitTime of the current time and a default $(topic:transition-types)[transition type] of \"link\".",
-        "async": "callback",
-        "parameters": [
-          {
-            "name": "details",
-            "type": "object",
-            "properties": {
-              "url": {
-                "type": "string",
-                "description": "The URL to add. Must be a valid URL that can be added to history."
-              },
-              "title": {
-                "type": "string",
-                "optional": true,
-                "description": "The title of the page."
-              },
-              "transition": {
-                "$ref": "TransitionType",
-                "optional": true,
-                "description": "The $(topic:transition-types)[transition type] for this visit from its referrer."
-              },
-              "visitTime": {
-                "$ref": "extensionTypes.Date",
-                "optional": true,
-                "description": "The date when this visit occurred."
-              }
-            }
-          },
-          {
-            "name": "callback",
-            "type": "function",
-            "optional": true,
-            "parameters": []
-          }
-        ]
-      },
-      {
-        "name": "deleteUrl",
-        "type": "function",
-        "description": "Removes all occurrences of the given URL from the history.",
-        "async": "callback",
-        "parameters": [
-          {
-            "name": "details",
-            "type": "object",
-            "properties": {
-              "url": {
-                "type": "string",
-                "description": "The URL to remove."
-              }
-            }
-          },
-          {
-            "name": "callback",
-            "type": "function",
-            "optional": true,
-            "parameters": []
-          }
-        ]
-      },
-      {
-        "name": "deleteRange",
-        "type": "function",
-        "description": "Removes all items within the specified date range from the history.  Pages will not be removed from the history unless all visits fall within the range.",
-        "async": "callback",
-        "parameters": [
-          {
-            "name": "range",
-            "type": "object",
-            "properties": {
-              "startTime": {
-                "$ref": "extensionTypes.Date",
-                "description": "Items added to history after this date."
-              },
-              "endTime": {
-                "$ref": "extensionTypes.Date",
-                "description": "Items added to history before this date."
-              }
-            }
-          },
-          {
-            "name": "callback",
-            "type": "function",
-            "parameters": []
-          }
-        ]
-      },
-      {
-        "name": "deleteAll",
-        "type": "function",
-        "description": "Deletes all items from the history.",
-        "async": "callback",
-        "parameters": [
-          {
-            "name": "callback",
-            "type": "function",
-            "parameters": []
-          }
-        ]
-      }
-    ],
-    "events": [
-      {
-        "name": "onVisited",
-        "type": "function",
-        "description": "Fired when a URL is visited, providing the HistoryItem data for that URL.  This event fires before the page has loaded.",
-        "parameters": [
-          {
-            "name": "result",
-            "$ref": "HistoryItem"
-          }
-        ]
-      },
-      {
-        "name": "onVisitRemoved",
-        "type": "function",
-        "description": "Fired when one or more URLs are removed from the history service.  When all visits have been removed the URL is purged from history.",
-        "parameters": [
-          {
-            "name": "removed",
-            "type": "object",
-            "properties": {
-              "allHistory": {
-                "type": "boolean",
-                "description": "True if all history was removed.  If true, then urls will be empty."
-              },
-              "urls": {
-                "type": "array",
-                "items": {
-                  "type": "string"
-                }
-              }
-            }
-          }
-        ]
-      }
-    ]
-  }
-]
diff --git a/application/basilisk/components/webextensions/schemas/jar.mn b/application/basilisk/components/webextensions/schemas/jar.mn
deleted file mode 100644
index c9fc9a808..000000000
--- a/application/basilisk/components/webextensions/schemas/jar.mn
+++ /dev/null
@@ -1,16 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-browser.jar:
-    content/browser/schemas/bookmarks.json
-    content/browser/schemas/browser_action.json
-    content/browser/schemas/commands.json
-    content/browser/schemas/context_menus.json
-    content/browser/schemas/context_menus_internal.json
-    content/browser/schemas/history.json
-    content/browser/schemas/omnibox.json
-    content/browser/schemas/page_action.json
-    content/browser/schemas/sessions.json
-    content/browser/schemas/tabs.json
-    content/browser/schemas/windows.json
diff --git a/application/basilisk/components/webextensions/schemas/omnibox.json b/application/basilisk/components/webextensions/schemas/omnibox.json
deleted file mode 100644
index 34428fab7..000000000
--- a/application/basilisk/components/webextensions/schemas/omnibox.json
+++ /dev/null
@@ -1,248 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-[
-  {
-    "namespace": "manifest",
-    "types": [
-      {
-        "$extend": "WebExtensionManifest",
-        "properties": {
-          "omnibox": {
-            "type": "object",
-            "additionalProperties": { "$ref": "UnrecognizedProperty" },
-            "properties": {
-              "keyword": {
-                "type": "string",
-                "pattern": "^[^?\\s:]([^\\s:]*[^/\\s:])?$"
-              }
-            },
-            "optional": true
-          }
-        }
-      }
-    ]
-  },
-  {
-    "namespace": "omnibox",
-    "description": "The omnibox API allows you to register a keyword with Firefox's address bar.",
-    "permissions": ["manifest:omnibox"],
-    "types": [
-      {
-        "id": "DescriptionStyleType",
-        "type": "string",
-        "description": "The style type.",
-        "enum": ["url", "match", "dim"]
-      },
-      {
-        "id": "OnInputEnteredDisposition",
-        "type": "string",
-        "enum": ["currentTab", "newForegroundTab", "newBackgroundTab"],
-        "description": "The window disposition for the omnibox query. This is the recommended context to display results. For example, if the omnibox command is to navigate to a certain URL, a disposition of 'newForegroundTab' means the navigation should take place in a new selected tab."
-      },
-      {
-        "id": "SuggestResult",
-        "type": "object",
-        "description": "A suggest result.",
-        "properties": {
-          "content": {
-            "type": "string",
-            "minLength": 1,
-            "description": "The text that is put into the URL bar, and that is sent to the extension when the user chooses this entry."
-          },
-          "description": {
-            "type": "string",
-            "minLength": 1,
-            "description": "The text that is displayed in the URL dropdown. Can contain XML-style markup for styling. The supported tags are 'url' (for a literal URL), 'match' (for highlighting text that matched what the user's query), and 'dim' (for dim helper text). The styles can be nested, eg. <dim><match>dimmed match</match></dim>. You must escape the five predefined entities to display them as text: stackoverflow.com/a/1091953/89484 "
-          },
-          "descriptionStyles": {
-            "optional": true,
-            "unsupported": true,
-            "type": "array",
-            "description": "An array of style ranges for the description, as provided by the extension.",
-            "items": {
-              "type": "object",
-              "description": "The style ranges for the description, as provided by the extension.",
-              "properties": {
-                "offset": { "type": "integer" },
-                "type": { "description": "The style type", "$ref": "DescriptionStyleType"},
-                "length": { "type": "integer", "optional": true }
-              }
-            }
-          },
-          "descriptionStylesRaw": {
-            "optional": true,
-            "unsupported": true,
-            "type": "array",
-            "description": "An array of style ranges for the description, as provided by ToValue().",
-            "items": {
-              "type": "object",
-              "description": "The style ranges for the description, as provided by ToValue().",
-              "properties": {
-                "offset": { "type": "integer" },
-                "type": { "type": "integer" }
-              }
-            }
-          }
-        }
-      },
-      {
-        "id": "DefaultSuggestResult",
-        "type": "object",
-        "description": "A suggest result.",
-        "properties": {
-          "description": {
-            "type": "string",
-            "minLength": 1,
-            "description": "The text that is displayed in the URL dropdown."
-          },
-          "descriptionStyles": {
-            "optional": true,
-            "unsupported": true,
-            "type": "array",
-            "description": "An array of style ranges for the description, as provided by the extension.",
-            "items": {
-              "type": "object",
-              "description": "The style ranges for the description, as provided by the extension.",
-              "properties": {
-                "offset": { "type": "integer" },
-                "type": { "description": "The style type", "$ref": "DescriptionStyleType"},
-                "length": { "type": "integer", "optional": true }
-              }
-            }
-          },
-          "descriptionStylesRaw": {
-            "optional": true,
-            "unsupported": true,
-            "type": "array",
-            "description": "An array of style ranges for the description, as provided by ToValue().",
-            "items": {
-              "type": "object",
-              "description": "The style ranges for the description, as provided by ToValue().",
-              "properties": {
-                "offset": { "type": "integer" },
-                "type": { "type": "integer" }
-              }
-            }
-          }
-        }
-      }
-    ],
-    "functions": [
-      {
-        "name": "setDefaultSuggestion",
-        "type": "function",
-        "description": "Sets the description and styling for the default suggestion. The default suggestion is the text that is displayed in the first suggestion row underneath the URL bar.",
-        "parameters": [
-          {
-            "name": "suggestion",
-            "$ref": "DefaultSuggestResult",
-            "description": "A partial SuggestResult object, without the 'content' parameter."
-          }
-        ]
-      }
-    ],
-    "events": [
-      {
-        "name": "onInputStarted",
-        "type": "function",
-        "description": "User has started a keyword input session by typing the extension's keyword. This is guaranteed to be sent exactly once per input session, and before any onInputChanged events.",
-        "parameters": []
-      },
-      {
-        "name": "onInputChanged",
-        "type": "function",
-        "description": "User has changed what is typed into the omnibox.",
-        "parameters": [
-          {
-            "type": "string",
-            "name": "text"
-          },
-          {
-            "name": "suggest",
-            "type": "function",
-            "description": "A callback passed to the onInputChanged event used for sending suggestions back to the browser.",
-            "parameters": [
-              {
-                "name": "suggestResults",
-                "type": "array",
-                "description": "Array of suggest results",
-                "items": {
-                  "$ref": "SuggestResult"
-                }
-              }
-            ]
-          }
-        ]
-      },
-      {
-        "name": "onInputEntered",
-        "type": "function",
-        "description": "User has accepted what is typed into the omnibox.",
-        "parameters": [
-          {
-            "type": "string",
-            "name": "text"
-          },
-          {
-            "name": "disposition",
-            "$ref": "OnInputEnteredDisposition"
-          }
-        ]
-      },
-      {
-        "name": "onInputCancelled",
-        "type": "function",
-        "description": "User has ended the keyword input session without accepting the input.",
-        "parameters": []
-      }
-    ]
-  },
-  {
-    "namespace": "omnibox_internal",
-    "description": "The internal namespace used by the omnibox API.",
-    "defaultContexts": ["addon_parent_only"],
-    "functions": [
-      {
-        "name": "addSuggestions",
-        "type": "function",
-        "async": "callback",
-        "description": "Internal function used by omnibox.onInputChanged for adding search suggestions",
-        "parameters": [
-          {
-            "name": "id",
-            "type": "integer",
-            "description": "The ID of the callback received by onInputChangedInternal"
-          },
-          {
-            "name": "suggestResults",
-            "type": "array",
-            "description": "Array of suggest results",
-            "items": {
-              "$ref": "omnibox.SuggestResult"
-            }
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "parameters": []
-          }
-        ]
-      }
-    ],
-    "events": [
-      {
-        "name": "onInputChanged",
-        "type": "function",
-        "description": "Identical to omnibox.onInputChanged except no 'suggest' callback is provided.",
-        "parameters": [
-          {
-            "type": "string",
-            "name": "text"
-          }
-        ]
-      }
-    ]
-  }
-]
\ No newline at end of file
diff --git a/application/basilisk/components/webextensions/schemas/page_action.json b/application/basilisk/components/webextensions/schemas/page_action.json
deleted file mode 100644
index 126378ca5..000000000
--- a/application/basilisk/components/webextensions/schemas/page_action.json
+++ /dev/null
@@ -1,235 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-[
-  {
-    "namespace": "manifest",
-    "types": [
-      {
-        "$extend": "WebExtensionManifest",
-        "properties": {
-          "page_action": {
-            "type": "object",
-            "additionalProperties": { "$ref": "UnrecognizedProperty" },
-            "properties": {
-              "default_title": {
-                "type": "string",
-                "optional": true,
-                "preprocess": "localize"
-              },
-              "default_icon": {
-                "$ref": "IconPath",
-                "optional": true
-              },
-              "default_popup": {
-                "type": "string",
-                "format": "relativeUrl",
-                "optional": true,
-                "preprocess": "localize"
-              },
-              "browser_style": {
-                "type": "boolean",
-                "optional": true
-              }
-            },
-            "optional": true
-          }
-        }
-      }
-    ]
-  },
-  {
-    "namespace": "pageAction",
-    "description": "Use the <code>browser.pageAction</code> API to put icons inside the address bar. Page actions represent actions that can be taken on the current page, but that aren't applicable to all pages.",
-    "permissions": ["manifest:page_action"],
-    "types": [
-      {
-        "id": "ImageDataType",
-        "type": "object",
-        "isInstanceOf": "ImageData",
-        "additionalProperties": { "type": "any" },
-        "postprocess": "convertImageDataToURL",
-        "description": "Pixel data for an image. Must be an ImageData object (for example, from a <code>canvas</code> element)."
-      }
-    ],
-    "functions": [
-      {
-        "name": "show",
-        "type": "function",
-        "async": "callback",
-        "description": "Shows the page action. The page action is shown whenever the tab is selected.",
-        "parameters": [
-          {"type": "integer", "name": "tabId", "minimum": 0, "description": "The id of the tab for which you want to modify the page action."},
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "parameters": []
-          }
-        ]
-      },
-      {
-        "name": "hide",
-        "type": "function",
-        "async": "callback",
-        "description": "Hides the page action.",
-        "parameters": [
-          {"type": "integer", "name": "tabId", "minimum": 0, "description": "The id of the tab for which you want to modify the page action."},
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "parameters": []
-          }
-        ]
-      },
-      {
-        "name": "setTitle",
-        "type": "function",
-        "description": "Sets the title of the page action. This is displayed in a tooltip over the page action.",
-        "parameters": [
-          {
-            "name": "details",
-            "type": "object",
-            "properties": {
-              "tabId": {"type": "integer", "minimum": 0, "description": "The id of the tab for which you want to modify the page action."},
-              "title": {"type": "string", "description": "The tooltip string."}
-            }
-          }
-        ]
-      },
-      {
-        "name": "getTitle",
-        "type": "function",
-        "description": "Gets the title of the page action.",
-        "async": "callback",
-        "parameters": [
-          {
-            "name": "details",
-            "type": "object",
-            "properties": {
-              "tabId": {
-                "type": "integer",
-                "description": "Specify the tab to get the title from."
-              }
-            }
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "parameters": [
-              {
-                "name": "result",
-                "type": "string"
-              }
-            ]
-          }
-        ]
-      },
-      {
-        "name": "setIcon",
-        "type": "function",
-        "description": "Sets the icon for the page action. The icon can be specified either as the path to an image file or as the pixel data from a canvas element, or as dictionary of either one of those. Either the <b>path</b> or the <b>imageData</b> property must be specified.",
-        "async": "callback",
-        "parameters": [
-          {
-            "name": "details",
-            "type": "object",
-            "properties": {
-              "tabId": {"type": "integer", "minimum": 0, "description": "The id of the tab for which you want to modify the page action."},
-              "imageData": {
-                "choices": [
-                  { "$ref": "ImageDataType" },
-                  {
-                    "type": "object",
-                    "additionalProperties": {"$ref": "ImageDataType"}
-                  }
-                ],
-                "optional": true,
-                "description": "Either an ImageData object or a dictionary {size -> ImageData} representing icon to be set. If the icon is specified as a dictionary, the actual image to be used is chosen depending on screen's pixel density. If the number of image pixels that fit into one screen space unit equals <code>scale</code>, then image with size <code>scale</code> * 19 will be selected. Initially only scales 1 and 2 will be supported. At least one image must be specified. Note that 'details.imageData = foo' is equivalent to 'details.imageData = {'19': foo}'"
-              },
-              "path": {
-                "choices": [
-                  { "type": "string" },
-                  {
-                    "type": "object",
-                    "additionalProperties": {"type": "string"}
-                  }
-                ],
-                "optional": true,
-                "description": "Either a relative image path or a dictionary {size -> relative image path} pointing to icon to be set. If the icon is specified as a dictionary, the actual image to be used is chosen depending on screen's pixel density. If the number of image pixels that fit into one screen space unit equals <code>scale</code>, then image with size <code>scale</code> * 19 will be selected. Initially only scales 1 and 2 will be supported. At least one image must be specified. Note that 'details.path = foo' is equivalent to 'details.imageData = {'19': foo}'"
-              }
-            }
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "parameters": []
-          }
-        ]
-      },
-      {
-        "name": "setPopup",
-        "type": "function",
-        "async": true,
-        "description": "Sets the html document to be opened as a popup when the user clicks on the page action's icon.",
-        "parameters": [
-          {
-            "name": "details",
-            "type": "object",
-            "properties": {
-              "tabId": {"type": "integer", "minimum": 0, "description": "The id of the tab for which you want to modify the page action."},
-              "popup": {
-                "type": "string",
-                "description": "The html file to show in a popup.  If set to the empty string (''), no popup is shown."
-              }
-            }
-          }
-        ]
-      },
-      {
-        "name": "getPopup",
-        "type": "function",
-        "description": "Gets the html document set as the popup for this page action.",
-        "async": "callback",
-        "parameters": [
-          {
-            "name": "details",
-            "type": "object",
-            "properties": {
-              "tabId": {
-                "type": "integer",
-                "description": "Specify the tab to get the popup from."
-              }
-            }
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "parameters": [
-              {
-                "name": "result",
-                "type": "string"
-              }
-            ]
-          }
-        ]
-      }
-    ],
-    "events": [
-      {
-        "name": "onClicked",
-        "type": "function",
-        "description": "Fired when a page action icon is clicked.  This event will not fire if the page action has a popup.",
-        "parameters": [
-          {
-            "name": "tab",
-            "$ref": "tabs.Tab"
-          }
-        ]
-      }
-    ]
-  }
-]
diff --git a/application/basilisk/components/webextensions/schemas/sessions.json b/application/basilisk/components/webextensions/schemas/sessions.json
deleted file mode 100644
index 690bb8ebc..000000000
--- a/application/basilisk/components/webextensions/schemas/sessions.json
+++ /dev/null
@@ -1,146 +0,0 @@
-// Copyright 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-[
-  {
-    "namespace": "manifest",
-    "types": [
-      {
-        "$extend": "Permission",
-        "choices": [{
-          "type": "string",
-          "enum": [
-            "sessions"
-          ]
-        }]
-      }
-    ]
-  },
-  {
-    "namespace": "sessions",
-    "description": "Use the <code>chrome.sessions</code> API to query and restore tabs and windows from a browsing session.",
-    "permissions": ["sessions"],
-    "types": [
-      {
-        "id": "Filter",
-        "type": "object",
-        "properties": {
-          "maxResults": {
-            "type": "integer",
-            "minimum": 0,
-            "maximum": 25,
-            "optional": true,
-            "description": "The maximum number of entries to be fetched in the requested list. Omit this parameter to fetch the maximum number of entries ($(ref:sessions.MAX_SESSION_RESULTS))."
-          }
-        }
-      },
-      {
-        "id": "Session",
-        "type": "object",
-        "properties": {
-          "lastModified": {"type": "integer", "description": "The time when the window or tab was closed or modified, represented in milliseconds since the epoch."},
-          "tab": {"$ref": "tabs.Tab", "optional": true, "description": "The $(ref:tabs.Tab), if this entry describes a tab. Either this or $(ref:sessions.Session.window) will be set."},
-          "window": {"$ref": "windows.Window", "optional": true, "description": "The $(ref:windows.Window), if this entry describes a window. Either this or $(ref:sessions.Session.tab) will be set."}
-        }
-      },
-      {
-        "id": "Device",
-        "type": "object",
-        "properties": {
-          "info": {"type": "string"},
-          "deviceName": {"type": "string", "description": "The name of the foreign device."},
-          "sessions": {"type": "array", "items": {"$ref": "Session"}, "description": "A list of open window sessions for the foreign device, sorted from most recently to least recently modified session."}
-        }
-      }
-    ],
-    "functions": [
-      {
-        "name": "getRecentlyClosed",
-        "type": "function",
-        "description": "Gets the list of recently closed tabs and/or windows.",
-        "async": "callback",
-        "parameters": [
-          {
-            "$ref": "Filter",
-            "name": "filter",
-            "optional": true,
-            "default": {}
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "parameters": [
-              {
-                "name": "sessions", "type": "array", "items": { "$ref": "Session" }, "description": "The list of closed entries in reverse order that they were closed (the most recently closed tab or window will be at index <code>0</code>). The entries may contain either tabs or windows."
-              }
-            ]
-          }
-        ]
-      },
-      {
-        "name": "getDevices",
-        "unsupported": true,
-        "type": "function",
-        "description": "Retrieves all devices with synced sessions.",
-        "async": "callback",
-        "parameters": [
-          {
-            "$ref": "Filter",
-            "name": "filter",
-            "optional": true
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "parameters": [
-              {
-                "name": "devices", "type": "array", "items": { "$ref": "Device" }, "description": "The list of $(ref:sessions.Device) objects for each synced session, sorted in order from device with most recently modified session to device with least recently modified session. $(ref:tabs.Tab) objects are sorted by recency in the $(ref:windows.Window) of the $(ref:sessions.Session) objects."
-              }
-            ]
-          }
-        ]
-      },
-      {
-        "name": "restore",
-        "type": "function",
-        "description": "Reopens a $(ref:windows.Window) or $(ref:tabs.Tab), with an optional callback to run when the entry has been restored.",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "string",
-            "name": "sessionId",
-            "optional": true,
-            "description": "The $(ref:windows.Window.sessionId), or $(ref:tabs.Tab.sessionId) to restore. If this parameter is not specified, the most recently closed session is restored."
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "parameters": [
-              {
-                "$ref": "Session",
-                "name": "restoredSession",
-                "description": "A $(ref:sessions.Session) containing the restored $(ref:windows.Window) or $(ref:tabs.Tab) object."
-              }
-            ]
-          }
-        ]
-      }
-    ],
-    "events": [
-      {
-        "name": "onChanged",
-        "unsupported": true,
-        "description": "Fired when recently closed tabs and/or windows are changed. This event does not monitor synced sessions changes.",
-        "type": "function"
-      }
-    ],
-    "properties": {
-      "MAX_SESSION_RESULTS": {
-        "value": 25,
-        "description": "The maximum number of $(ref:sessions.Session) that will be included in a requested list."
-      }
-    }
-  }
-]
diff --git a/application/basilisk/components/webextensions/schemas/tabs.json b/application/basilisk/components/webextensions/schemas/tabs.json
deleted file mode 100644
index 23ce33a4b..000000000
--- a/application/basilisk/components/webextensions/schemas/tabs.json
+++ /dev/null
@@ -1,1295 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-[
-  {
-    "namespace": "manifest",
-    "types": [
-      {
-        "$extend": "Permission",
-        "choices": [{
-          "type": "string",
-          "enum": [
-            "activeTab",
-            "tabs"
-          ]
-        }]
-      }
-    ]
-  },
-  {
-    "namespace": "tabs",
-    "description": "Use the <code>browser.tabs</code> API to interact with the browser's tab system. You can use this API to create, modify, and rearrange tabs in the browser.",
-    "types": [
-      { "id": "MutedInfoReason",
-        "type": "string",
-        "description": "An event that caused a muted state change.",
-        "enum": [
-          {"name": "user", "description": "A user input action has set/overridden the muted state."},
-          {"name": "capture", "description": "Tab capture started, forcing a muted state change."},
-          {"name": "extension", "description": "An extension, identified by the extensionId field, set the muted state."}
-        ]
-      },
-      {
-        "id": "MutedInfo",
-        "type": "object",
-        "description": "Tab muted state and the reason for the last state change.",
-        "properties": {
-          "muted": {
-            "type": "boolean",
-            "description": "Whether the tab is prevented from playing sound (but hasn't necessarily recently produced sound). Equivalent to whether the muted audio indicator is showing."
-          },
-          "reason": {
-            "$ref": "MutedInfoReason",
-            "optional": true,
-            "description": "The reason the tab was muted or unmuted. Not set if the tab's mute state has never been changed."
-          },
-          "extensionId": {
-            "type": "string",
-            "optional": true,
-            "description": "The ID of the extension that changed the muted state. Not set if an extension was not the reason the muted state last changed."
-          }
-        }
-      },
-      {
-        "id": "Tab",
-        "type": "object",
-        "properties": {
-          "id": {"type": "integer", "minimum": -1, "optional": true, "description": "The ID of the tab. Tab IDs are unique within a browser session. Under some circumstances a Tab may not be assigned an ID, for example when querying foreign tabs using the $(ref:sessions) API, in which case a session ID may be present. Tab ID can also be set to $(ref:tabs.TAB_ID_NONE) for apps and devtools windows."},
-          "index": {"type": "integer", "minimum": -1, "description": "The zero-based index of the tab within its window."},
-          "windowId": {"type": "integer", "minimum": 0, "description": "The ID of the window the tab is contained within."},
-          "openerTabId": {"unsupported": true, "type": "integer", "minimum": 0, "optional": true, "description": "The ID of the tab that opened this tab, if any. This property is only present if the opener tab still exists."},
-          "selected": {"type": "boolean", "description": "Whether the tab is selected.", "deprecated": "Please use $(ref:tabs.Tab.highlighted).", "unsupported": true},
-          "highlighted": {"type": "boolean", "description": "Whether the tab is highlighted."},
-          "active": {"type": "boolean", "description": "Whether the tab is active in its window. (Does not necessarily mean the window is focused.)"},
-          "pinned": {"type": "boolean", "description": "Whether the tab is pinned."},
-          "audible": {"type": "boolean", "optional": true, "description": "Whether the tab has produced sound over the past couple of seconds (but it might not be heard if also muted). Equivalent to whether the speaker audio indicator is showing."},
-          "mutedInfo": {"$ref": "MutedInfo", "optional": true, "description": "Current tab muted state and the reason for the last state change."},
-          "url": {"type": "string", "optional": true, "permissions": ["tabs"], "description": "The URL the tab is displaying. This property is only present if the extension's manifest includes the <code>\"tabs\"</code> permission."},
-          "title": {"type": "string", "optional": true, "permissions": ["tabs"], "description": "The title of the tab. This property is only present if the extension's manifest includes the <code>\"tabs\"</code> permission."},
-          "favIconUrl": {"type": "string", "optional": true, "permissions": ["tabs"], "description": "The URL of the tab's favicon. This property is only present if the extension's manifest includes the <code>\"tabs\"</code> permission. It may also be an empty string if the tab is loading."},
-          "status": {"type": "string", "optional": true, "description": "Either <em>loading</em> or <em>complete</em>."},
-          "incognito": {"type": "boolean", "description": "Whether the tab is in an incognito window."},
-          "width": {"type": "integer", "optional": true, "description": "The width of the tab in pixels."},
-          "height": {"type": "integer", "optional": true, "description": "The height of the tab in pixels."},
-          "sessionId": {"unsupported": true, "type": "string", "optional": true, "description": "The session ID used to uniquely identify a Tab obtained from the $(ref:sessions) API."},
-          "cookieStoreId": {"type": "string", "description": "The CookieStoreId used for the tab."}
-        }
-      },
-      {
-        "id": "ZoomSettingsMode",
-        "type": "string",
-        "description": "Defines how zoom changes are handled, i.e. which entity is responsible for the actual scaling of the page; defaults to <code>automatic</code>.",
-        "enum": [
-          {
-            "name": "automatic",
-            "description": "Zoom changes are handled automatically by the browser."
-          },
-          {
-            "name": "manual",
-            "description": "Overrides the automatic handling of zoom changes. The <code>onZoomChange</code> event will still be dispatched, and it is the responsibility of the extension to listen for this event and manually scale the page. This mode does not support <code>per-origin</code> zooming, and will thus ignore the <code>scope</code> zoom setting and assume <code>per-tab</code>."
-          },
-          {
-            "name": "disabled",
-            "description": "Disables all zooming in the tab. The tab will revert to the default zoom level, and all attempted zoom changes will be ignored."
-          }
-        ]
-      },
-      {
-        "id": "ZoomSettingsScope",
-        "type": "string",
-        "description": "Defines whether zoom changes will persist for the page's origin, or only take effect in this tab; defaults to <code>per-origin</code> when in <code>automatic</code> mode, and <code>per-tab</code> otherwise.",
-        "enum": [
-          {
-            "name": "per-origin",
-            "description": "Zoom changes will persist in the zoomed page's origin, i.e. all other tabs navigated to that same origin will be zoomed as well. Moreover, <code>per-origin</code> zoom changes are saved with the origin, meaning that when navigating to other pages in the same origin, they will all be zoomed to the same zoom factor. The <code>per-origin</code> scope is only available in the <code>automatic</code> mode."
-          },
-          {
-            "name": "per-tab",
-            "description": "Zoom changes only take effect in this tab, and zoom changes in other tabs will not affect the zooming of this tab. Also, <code>per-tab</code> zoom changes are reset on navigation; navigating a tab will always load pages with their <code>per-origin</code> zoom factors."
-          }
-        ]
-      },
-      {
-        "id": "ZoomSettings",
-        "type": "object",
-        "description": "Defines how zoom changes in a tab are handled and at what scope.",
-        "properties": {
-          "mode": {
-            "$ref": "ZoomSettingsMode",
-            "description": "Defines how zoom changes are handled, i.e. which entity is responsible for the actual scaling of the page; defaults to <code>automatic</code>.",
-            "optional": true
-          },
-          "scope": {
-            "$ref": "ZoomSettingsScope",
-            "description": "Defines whether zoom changes will persist for the page's origin, or only take effect in this tab; defaults to <code>per-origin</code> when in <code>automatic</code> mode, and <code>per-tab</code> otherwise.",
-            "optional": true
-          },
-          "defaultZoomFactor": {
-            "type": "number",
-            "optional": true,
-            "description": "Used to return the default zoom level for the current tab in calls to tabs.getZoomSettings."
-          }
-        }
-      },
-      {
-        "id": "TabStatus",
-        "type": "string",
-        "enum": ["loading", "complete"],
-        "description": "Whether the tabs have completed loading."
-      },
-      {
-        "id": "WindowType",
-        "type": "string",
-        "enum": ["normal", "popup", "panel", "app", "devtools"],
-        "description": "The type of window."
-      }
-    ],
-    "properties": {
-      "TAB_ID_NONE": {
-        "value": -1,
-        "description": "An ID which represents the absence of a browser tab."
-      }
-    },
-    "functions": [
-      {
-        "name": "get",
-        "type": "function",
-        "description": "Retrieves details about the specified tab.",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "integer",
-            "name": "tabId",
-            "minimum": 0
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "parameters": [
-              {"name": "tab", "$ref": "Tab"}
-            ]
-          }
-        ]
-      },
-      {
-        "name": "getCurrent",
-        "type": "function",
-        "description": "Gets the tab that this script call is being made from. May be undefined if called from a non-tab context (for example: a background page or popup view).",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "function",
-            "name": "callback",
-            "parameters": [
-              {
-                "name": "tab",
-                "$ref": "Tab",
-                "optional": true
-              }
-            ]
-          }
-        ]
-      },
-      {
-        "name": "connect",
-        "type": "function",
-        "description": "Connects to the content script(s) in the specified tab. The $(ref:runtime.onConnect) event is fired in each content script running in the specified tab for the current extension. For more details, see $(topic:messaging)[Content Script Messaging].",
-        "parameters": [
-          {
-            "type": "integer",
-            "name": "tabId",
-            "minimum": 0
-          },
-          {
-            "type": "object",
-            "name": "connectInfo",
-            "properties": {
-              "name": { "type": "string", "optional": true, "description": "Will be passed into onConnect for content scripts that are listening for the connection event." },
-              "frameId": {
-                "type": "integer",
-                "optional": true,
-                "minimum": 0,
-                "description": "Open a port to a specific $(topic:frame_ids)[frame] identified by <code>frameId</code> instead of all frames in the tab."
-              }
-            },
-            "optional": true
-          }
-        ],
-        "returns": {
-          "$ref": "runtime.Port",
-          "description": "A port that can be used to communicate with the content scripts running in the specified tab. The port's $(ref:runtime.Port) event is fired if the tab closes or does not exist. "
-        }
-      },
-      {
-        "name": "sendRequest",
-        "deprecated": "Please use $(ref:runtime.sendMessage).",
-        "unsupported": true,
-        "type": "function",
-        "description": "Sends a single request to the content script(s) in the specified tab, with an optional callback to run when a response is sent back.  The $(ref:extension.onRequest) event is fired in each content script running in the specified tab for the current extension.",
-        "parameters": [
-          {
-            "type": "integer",
-            "name": "tabId",
-            "minimum": 0
-          },
-          {
-            "type": "any",
-            "name": "request"
-          },
-          {
-            "type": "function",
-            "name": "responseCallback",
-            "optional": true,
-            "parameters": [
-              {
-                "name": "response",
-                "type": "any",
-                "description": "The JSON response object sent by the handler of the request. If an error occurs while connecting to the specified tab, the callback will be called with no arguments and $(ref:runtime.lastError) will be set to the error message."
-              }
-            ]
-          }
-        ]
-      },
-      {
-        "name": "sendMessage",
-        "type": "function",
-        "description": "Sends a single message to the content script(s) in the specified tab, with an optional callback to run when a response is sent back.  The $(ref:runtime.onMessage) event is fired in each content script running in the specified tab for the current extension.",
-        "async": "responseCallback",
-        "parameters": [
-          {
-            "type": "integer",
-            "name": "tabId",
-            "minimum": 0
-          },
-          {
-            "type": "any",
-            "name": "message"
-          },
-          {
-            "type": "object",
-            "name": "options",
-            "properties": {
-              "frameId": {
-                "type": "integer",
-                "optional": true,
-                "minimum": 0,
-                "description": "Send a message to a specific $(topic:frame_ids)[frame] identified by <code>frameId</code> instead of all frames in the tab."
-              }
-            },
-            "optional": true
-          },
-          {
-            "type": "function",
-            "name": "responseCallback",
-            "optional": true,
-            "parameters": [
-              {
-                "name": "response",
-                "type": "any",
-                "description": "The JSON response object sent by the handler of the message. If an error occurs while connecting to the specified tab, the callback will be called with no arguments and $(ref:runtime.lastError) will be set to the error message."
-              }
-            ]
-          }
-        ]
-      },
-      {
-        "name": "getSelected",
-        "deprecated": "Please use $(ref:tabs.query) <code>{active: true}</code>.",
-        "unsupported": true,
-        "type": "function",
-        "description": "Gets the tab that is selected in the specified window.",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "integer",
-            "name": "windowId",
-            "minimum": -2,
-            "optional": true,
-            "description": "Defaults to the $(topic:current-window)[current window]."
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "parameters": [
-              {"name": "tab", "$ref": "Tab"}
-            ]
-          }
-        ]
-      },
-      {
-        "name": "getAllInWindow",
-        "deprecated": "Please use $(ref:tabs.query) <code>{windowId: windowId}</code>.",
-        "unsupported": true,
-        "type": "function",
-        "description": "Gets details about all tabs in the specified window.",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "integer",
-            "name": "windowId",
-            "minimum": -2,
-            "optional": true,
-            "description": "Defaults to the $(topic:current-window)[current window]."
-            },
-          {
-            "type": "function",
-            "name": "callback",
-            "parameters": [
-              {"name": "tabs", "type": "array", "items": { "$ref": "Tab" } }
-            ]
-          }
-        ]
-      },
-      {
-        "name": "create",
-        "type": "function",
-        "description": "Creates a new tab.",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "object",
-            "name": "createProperties",
-            "properties": {
-              "windowId": {
-                "type": "integer",
-                "minimum": -2,
-                "optional": true,
-                "description": "The window to create the new tab in. Defaults to the $(topic:current-window)[current window]."
-              },
-              "index": {
-                "type": "integer",
-                "minimum": 0,
-                "optional": true,
-                "description": "The position the tab should take in the window. The provided value will be clamped to between zero and the number of tabs in the window."
-              },
-              "url": {
-                "type": "string",
-                "optional": true,
-                "description": "The URL to navigate the tab to initially. Fully-qualified URLs must include a scheme (i.e. 'http://www.google.com', not 'www.google.com'). Relative URLs will be relative to the current page within the extension. Defaults to the New Tab Page."
-              },
-              "active": {
-                "type": "boolean",
-                "optional": true,
-                "description": "Whether the tab should become the active tab in the window. Does not affect whether the window is focused (see $(ref:windows.update)). Defaults to <var>true</var>."
-              },
-              "selected": {
-                "deprecated": "Please use <em>active</em>.",
-                "unsupported": true,
-                "type": "boolean",
-                "optional": true,
-                "description": "Whether the tab should become the selected tab in the window. Defaults to <var>true</var>"
-              },
-              "pinned": {
-                "type": "boolean",
-                "optional": true,
-                "description": "Whether the tab should be pinned. Defaults to <var>false</var>"
-              },
-              "openerTabId": {
-                "unsupported": true,
-                "type": "integer",
-                "minimum": 0,
-                "optional": true,
-                "description": "The ID of the tab that opened this tab. If specified, the opener tab must be in the same window as the newly created tab."
-              },
-              "cookieStoreId": {
-                "type": "string",
-                "optional": true,
-                "description": "The CookieStoreId for the tab that opened this tab."
-              }
-            }
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "parameters": [
-              {
-                "name": "tab",
-                "$ref": "Tab",
-                "description": "Details about the created tab. Will contain the ID of the new tab."
-              }
-            ]
-          }
-        ]
-      },
-      {
-        "name": "duplicate",
-        "type": "function",
-        "description": "Duplicates a tab.",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "integer",
-            "name": "tabId",
-            "minimum": 0,
-            "description": "The ID of the tab which is to be duplicated."
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "parameters": [
-              {
-                "name": "tab",
-                "optional": true,
-                "description": "Details about the duplicated tab. The $(ref:tabs.Tab) object doesn't contain <code>url</code>, <code>title</code> and <code>favIconUrl</code> if the <code>\"tabs\"</code> permission has not been requested.",
-                "$ref": "Tab"
-              }
-            ]
-          }
-        ]
-      },
-      {
-        "name": "query",
-        "type": "function",
-        "description": "Gets all tabs that have the specified properties, or all tabs if no properties are specified.",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "object",
-            "name": "queryInfo",
-            "properties": {
-              "active": {
-                "type": "boolean",
-                "optional": true,
-                "description": "Whether the tabs are active in their windows."
-              },
-              "pinned": {
-                "type": "boolean",
-                "optional": true,
-                "description": "Whether the tabs are pinned."
-              },
-              "audible": {
-                "type": "boolean",
-                "optional": true,
-                "description": "Whether the tabs are audible."
-              },
-              "muted": {
-                "type": "boolean",
-                "optional": true,
-                "description": "Whether the tabs are muted."
-              },
-              "highlighted": {
-                "type": "boolean",
-                "optional": true,
-                "description": "Whether the tabs are highlighted."
-              },
-              "currentWindow": {
-                "type": "boolean",
-                "optional": true,
-                "description": "Whether the tabs are in the $(topic:current-window)[current window]."
-              },
-              "lastFocusedWindow": {
-                "type": "boolean",
-                "optional": true,
-                "description": "Whether the tabs are in the last focused window."
-              },
-              "status": {
-                "$ref": "TabStatus",
-                "optional": true,
-                "description": "Whether the tabs have completed loading."
-              },
-              "title": {
-                "type": "string",
-                "optional": true,
-                "description": "Match page titles against a pattern."
-              },
-              "url": {
-                "choices": [
-                  {"type": "string"},
-                  {"type": "array", "items": {"type": "string"}}
-                ],
-                "optional": true,
-                "description": "Match tabs against one or more $(topic:match_patterns)[URL patterns]. Note that fragment identifiers are not matched."
-              },
-              "windowId": {
-                "type": "integer",
-                "optional": true,
-                "minimum": -2,
-                "description": "The ID of the parent window, or $(ref:windows.WINDOW_ID_CURRENT) for the $(topic:current-window)[current window]."
-              },
-              "windowType": {
-                "$ref": "WindowType",
-                "optional": true,
-                "description": "The type of window the tabs are in."
-              },
-              "index": {
-                "type": "integer",
-                "optional": true,
-                "minimum": 0,
-                "description": "The position of the tabs within their windows."
-              },
-              "cookieStoreId": {
-                "type": "string",
-                "optional": true,
-                "description": "The CookieStoreId used for the tab."
-              }
-            }
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "parameters": [
-              {
-                "name": "result",
-                "type": "array",
-                "items": {
-                  "$ref": "Tab"
-                }
-              }
-            ]
-          }
-        ]
-      },
-      {
-        "name": "highlight",
-        "type": "function",
-        "description": "Highlights the given tabs.",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "object",
-            "name": "highlightInfo",
-            "properties": {
-               "windowId": {
-                 "type": "integer",
-                 "optional": true,
-                 "description": "The window that contains the tabs.",
-                 "minimum": -2
-               },
-               "tabs": {
-                 "description": "One or more tab indices to highlight.",
-                 "choices": [
-                   {"type": "array", "items": {"type": "integer", "minimum": 0}},
-                   {"type": "integer"}
-                 ]
-               }
-             }
-           },
-           {
-             "type": "function",
-             "name": "callback",
-             "optional": true,
-             "parameters": [
-               {
-                 "name": "window",
-                 "$ref": "windows.Window",
-                 "description": "Contains details about the window whose tabs were highlighted."
-               }
-             ]
-           }
-        ]
-      },
-      {
-        "name": "update",
-        "type": "function",
-        "description": "Modifies the properties of a tab. Properties that are not specified in <var>updateProperties</var> are not modified.",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "integer",
-            "name": "tabId",
-            "minimum": 0,
-            "optional": true,
-            "description": "Defaults to the selected tab of the $(topic:current-window)[current window]."
-          },
-          {
-            "type": "object",
-            "name": "updateProperties",
-            "properties": {
-              "url": {
-                "type": "string",
-                "optional": true,
-                "description": "A URL to navigate the tab to."
-              },
-              "active": {
-                "type": "boolean",
-                "optional": true,
-                "description": "Whether the tab should be active. Does not affect whether the window is focused (see $(ref:windows.update))."
-              },
-              "highlighted": {
-                "unsupported": true,
-                "type": "boolean",
-                "optional": true,
-                "description": "Adds or removes the tab from the current selection."
-              },
-              "selected": {
-                "unsupported": true,
-                "deprecated": "Please use <em>highlighted</em>.",
-                "type": "boolean",
-                "optional": true,
-                "description": "Whether the tab should be selected."
-              },
-              "pinned": {
-                "type": "boolean",
-                "optional": true,
-                "description": "Whether the tab should be pinned."
-              },
-              "muted": {
-                "type": "boolean",
-                "optional": true,
-                "description": "Whether the tab should be muted."
-              },
-              "openerTabId": {
-                "unsupported": true,
-                "type": "integer",
-                "minimum": 0,
-                "optional": true,
-                "description": "The ID of the tab that opened this tab. If specified, the opener tab must be in the same window as this tab."
-              }
-            }
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "parameters": [
-              {
-                "name": "tab",
-                "$ref": "Tab",
-                "optional": true,
-                "description": "Details about the updated tab. The $(ref:tabs.Tab) object doesn't contain <code>url</code>, <code>title</code> and <code>favIconUrl</code> if the <code>\"tabs\"</code> permission has not been requested."
-              }
-            ]
-          }
-        ]
-      },
-      {
-        "name": "move",
-        "type": "function",
-        "description": "Moves one or more tabs to a new position within its window, or to a new window. Note that tabs can only be moved to and from normal (window.type === \"normal\") windows.",
-        "async": "callback",
-        "parameters": [
-          {
-            "name": "tabIds",
-            "description": "The tab or list of tabs to move.",
-            "choices": [
-              {"type": "integer", "minimum": 0},
-              {"type": "array", "items": {"type": "integer", "minimum": 0}}
-            ]
-          },
-          {
-            "type": "object",
-            "name": "moveProperties",
-            "properties": {
-              "windowId": {
-                "type": "integer",
-                "minimum": -2,
-                "optional": true,
-                "description": "Defaults to the window the tab is currently in."
-              },
-              "index": {
-                "type": "integer",
-                "minimum": -1,
-                "description": "The position to move the window to. -1 will place the tab at the end of the window."
-              }
-            }
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "parameters": [
-              {
-                "name": "tabs",
-                "description": "Details about the moved tabs.",
-                "choices": [
-                  {"$ref": "Tab"},
-                  {"type": "array", "items": {"$ref": "Tab"}}
-                ]
-              }
-            ]
-          }
-        ]
-      },
-      {
-        "name": "reload",
-        "type": "function",
-        "description": "Reload a tab.",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "integer",
-            "name": "tabId",
-            "minimum": 0,
-            "optional": true,
-            "description": "The ID of the tab to reload; defaults to the selected tab of the current window."
-          },
-          {
-            "type": "object",
-            "name": "reloadProperties",
-            "optional": true,
-            "properties": {
-              "bypassCache": {
-                "type": "boolean",
-                "optional": true,
-                "description": "Whether using any local cache. Default is false."
-              }
-            }
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "parameters": []
-          }
-        ]
-      },
-      {
-        "name": "remove",
-        "type": "function",
-        "description": "Closes one or more tabs.",
-        "async": "callback",
-        "parameters": [
-          {
-            "name": "tabIds",
-            "description": "The tab or list of tabs to close.",
-            "choices": [
-              {"type": "integer", "minimum": 0},
-              {"type": "array", "items": {"type": "integer", "minimum": 0}}
-            ]
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "parameters": []
-          }
-        ]
-      },
-      {
-        "name": "detectLanguage",
-        "type": "function",
-        "description": "Detects the primary language of the content in a tab.",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "integer",
-            "name": "tabId",
-            "minimum": 0,
-            "optional": true,
-            "description": "Defaults to the active tab of the $(topic:current-window)[current window]."
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "parameters": [
-              {
-                "type": "string",
-                "name": "language",
-                "description": "An ISO language code such as <code>en</code> or <code>fr</code>. For a complete list of languages supported by this method, see <a href='http://src.chromium.org/viewvc/chrome/trunk/src/third_party/cld/languages/internal/languages.cc'>kLanguageInfoTable</a>. The 2nd to 4th columns will be checked and the first non-NULL value will be returned except for Simplified Chinese for which zh-CN will be returned. For an unknown language, <code>und</code> will be returned."
-              }
-            ]
-          }
-        ]
-      },
-      {
-        "name": "captureVisibleTab",
-        "type": "function",
-        "description": "Captures the visible area of the currently active tab in the specified window. You must have $(topic:declare_permissions)[&lt;all_urls&gt;] permission to use this method.",
-        "permissions": ["<all_urls>"],
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "integer",
-            "name": "windowId",
-            "minimum": -2,
-            "optional": true,
-            "description": "The target window. Defaults to the $(topic:current-window)[current window]."
-          },
-          {
-            "$ref": "extensionTypes.ImageDetails",
-            "name": "options",
-            "optional": true
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "parameters": [
-              {
-                "type": "string",
-                "name": "dataUrl",
-                "description": "A data URL which encodes an image of the visible area of the captured tab. May be assigned to the 'src' property of an HTML Image element for display."
-              }
-            ]
-          }
-        ]
-      },
-      {
-        "name": "executeScript",
-        "type": "function",
-        "description": "Injects JavaScript code into a page. For details, see the $(topic:content_scripts)[programmatic injection] section of the content scripts doc.",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "integer",
-            "name": "tabId",
-            "minimum": 0,
-            "optional": true,
-            "description": "The ID of the tab in which to run the script; defaults to the active tab of the current window."
-          },
-          {
-            "$ref": "extensionTypes.InjectDetails",
-            "name": "details",
-            "description": "Details of the script to run."
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "description": "Called after all the JavaScript has been executed.",
-            "parameters": [
-              {
-                "name": "result",
-                "optional": true,
-                "type": "array",
-                "items": {"type": "any"},
-                "description": "The result of the script in every injected frame."
-              }
-            ]
-          }
-        ]
-      },
-      {
-        "name": "insertCSS",
-        "type": "function",
-        "description": "Injects CSS into a page. For details, see the $(topic:content_scripts)[programmatic injection] section of the content scripts doc.",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "integer",
-            "name": "tabId",
-            "minimum": 0,
-            "optional": true,
-            "description": "The ID of the tab in which to insert the CSS; defaults to the active tab of the current window."
-          },
-          {
-            "$ref": "extensionTypes.InjectDetails",
-            "name": "details",
-            "description": "Details of the CSS text to insert."
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "description": "Called when all the CSS has been inserted.",
-            "parameters": []
-          }
-        ]
-      },
-      {
-        "name": "removeCSS",
-        "type": "function",
-        "description": "Removes injected CSS from a page. For details, see the $(topic:content_scripts)[programmatic injection] section of the content scripts doc.",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "integer",
-            "name": "tabId",
-            "minimum": 0,
-            "optional": true,
-            "description": "The ID of the tab from which to remove the injected CSS; defaults to the active tab of the current window."
-          },
-          {
-            "$ref": "extensionTypes.InjectDetails",
-            "name": "details",
-            "description": "Details of the CSS text to remove."
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "description": "Called when all the CSS has been removed.",
-            "parameters": []
-          }
-        ]
-      },
-      {
-        "name": "setZoom",
-        "type": "function",
-        "description": "Zooms a specified tab.",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "integer",
-            "name": "tabId",
-            "minimum": 0,
-            "optional": true,
-            "description": "The ID of the tab to zoom; defaults to the active tab of the current window."
-          },
-          {
-            "type": "number",
-            "name": "zoomFactor",
-            "description": "The new zoom factor. Use a value of 0 here to set the tab to its current default zoom factor. Values greater than zero specify a (possibly non-default) zoom factor for the tab."
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "description": "Called after the zoom factor has been changed.",
-            "parameters": []
-          }
-        ]
-      },
-      {
-        "name": "getZoom",
-        "type": "function",
-        "description": "Gets the current zoom factor of a specified tab.",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "integer",
-            "name": "tabId",
-            "minimum": 0,
-            "optional": true,
-            "description": "The ID of the tab to get the current zoom factor from; defaults to the active tab of the current window."
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "description": "Called with the tab's current zoom factor after it has been fetched.",
-            "parameters": [
-              {
-                "type": "number",
-                "name": "zoomFactor",
-                "description": "The tab's current zoom factor."
-              }
-            ]
-          }
-        ]
-      },
-      {
-        "name": "setZoomSettings",
-        "type": "function",
-        "description": "Sets the zoom settings for a specified tab, which define how zoom changes are handled. These settings are reset to defaults upon navigating the tab.",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "integer",
-            "name": "tabId",
-            "optional": true,
-            "minimum": 0,
-            "description": "The ID of the tab to change the zoom settings for; defaults to the active tab of the current window."
-          },
-          {
-            "$ref": "ZoomSettings",
-            "name": "zoomSettings",
-            "description": "Defines how zoom changes are handled and at what scope."
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "description": "Called after the zoom settings have been changed.",
-            "parameters": []
-          }
-        ]
-      },
-      {
-        "name": "getZoomSettings",
-        "type": "function",
-        "description": "Gets the current zoom settings of a specified tab.",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "integer",
-            "name": "tabId",
-            "optional": true,
-            "minimum": 0,
-            "description": "The ID of the tab to get the current zoom settings from; defaults to the active tab of the current window."
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "description": "Called with the tab's current zoom settings.",
-            "parameters": [
-              {
-                "$ref": "ZoomSettings",
-                "name": "zoomSettings",
-                "description": "The tab's current zoom settings."
-              }
-            ]
-          }
-        ]
-      }
-    ],
-    "events": [
-      {
-        "name": "onCreated",
-        "type": "function",
-        "description": "Fired when a tab is created. Note that the tab's URL may not be set at the time this event fired, but you can listen to onUpdated events to be notified when a URL is set.",
-        "parameters": [
-          {
-            "$ref": "Tab",
-            "name": "tab",
-            "description": "Details of the tab that was created."
-          }
-        ]
-      },
-      {
-        "name": "onUpdated",
-        "type": "function",
-        "description": "Fired when a tab is updated.",
-        "parameters": [
-          {"type": "integer", "name": "tabId", "minimum": 0},
-          {
-            "type": "object",
-            "name": "changeInfo",
-            "description": "Lists the changes to the state of the tab that was updated.",
-            "properties": {
-              "status": {
-                "type": "string",
-                "optional": true,
-                "description": "The status of the tab. Can be either <em>loading</em> or <em>complete</em>."
-              },
-              "url": {
-                "type": "string",
-                "optional": true,
-                "description": "The tab's URL if it has changed."
-              },
-              "pinned": {
-                "type": "boolean",
-                "optional": true,
-                "description": "The tab's new pinned state."
-              },
-              "audible": {
-                "type": "boolean",
-                "optional": true,
-                "description": "The tab's new audible state."
-              },
-              "mutedInfo": {
-                "$ref": "MutedInfo",
-                "optional": true,
-                "description": "The tab's new muted state and the reason for the change."
-              },
-              "favIconUrl": {
-                "type": "string",
-                "optional": true,
-                "description": "The tab's new favicon URL."
-              }
-            }
-          },
-          {
-            "$ref": "Tab",
-            "name": "tab",
-            "description": "Gives the state of the tab that was updated."
-          }
-        ]
-      },
-      {
-        "name": "onMoved",
-        "type": "function",
-        "description": "Fired when a tab is moved within a window. Only one move event is fired, representing the tab the user directly moved. Move events are not fired for the other tabs that must move in response. This event is not fired when a tab is moved between windows. For that, see $(ref:tabs.onDetached).",
-        "parameters": [
-          {"type": "integer", "name": "tabId", "minimum": 0},
-          {
-            "type": "object",
-            "name": "moveInfo",
-            "properties": {
-              "windowId": {"type": "integer", "minimum": 0},
-              "fromIndex": {"type": "integer", "minimum": 0},
-              "toIndex": {"type": "integer", "minimum": 0}
-            }
-          }
-        ]
-      },
-      {
-        "name": "onSelectionChanged",
-        "deprecated": "Please use $(ref:tabs.onActivated).",
-        "unsupported": true,
-        "type": "function",
-        "description": "Fires when the selected tab in a window changes.",
-        "parameters": [
-          {
-            "type": "integer",
-            "name": "tabId",
-            "minimum": 0,
-            "description": "The ID of the tab that has become active."
-          },
-          {
-            "type": "object",
-            "name": "selectInfo",
-            "properties": {
-              "windowId": {
-                "type": "integer",
-                "minimum": 0,
-                "description": "The ID of the window the selected tab changed inside of."
-              }
-            }
-          }
-        ]
-      },
-      {
-        "name": "onActiveChanged",
-        "deprecated": "Please use $(ref:tabs.onActivated).",
-        "unsupported": true,
-        "type": "function",
-        "description": "Fires when the selected tab in a window changes. Note that the tab's URL may not be set at the time this event fired, but you can listen to $(ref:tabs.onUpdated) events to be notified when a URL is set.",
-        "parameters": [
-          {
-            "type": "integer",
-            "name": "tabId",
-            "minimum": 0,
-            "description": "The ID of the tab that has become active."
-          },
-          {
-            "type": "object",
-            "name": "selectInfo",
-            "properties": {
-              "windowId": {
-                "type": "integer",
-                "minimum": 0,
-                "description": "The ID of the window the selected tab changed inside of."
-              }
-            }
-          }
-        ]
-      },
-      {
-        "name": "onActivated",
-        "type": "function",
-        "description": "Fires when the active tab in a window changes. Note that the tab's URL may not be set at the time this event fired, but you can listen to onUpdated events to be notified when a URL is set.",
-        "parameters": [
-          {
-            "type": "object",
-            "name": "activeInfo",
-            "properties": {
-              "tabId": {
-                "type": "integer",
-                "minimum": 0,
-                "description": "The ID of the tab that has become active."
-              },
-              "windowId": {
-                "type": "integer",
-                "minimum": 0,
-                "description": "The ID of the window the active tab changed inside of."
-              }
-            }
-          }
-        ]
-      },
-      {
-        "name": "onHighlightChanged",
-        "deprecated": "Please use $(ref:tabs.onHighlighted).",
-        "unsupported": true,
-        "type": "function",
-        "description": "Fired when the highlighted or selected tabs in a window changes.",
-        "parameters": [
-          {
-            "type": "object",
-            "name": "selectInfo",
-            "properties": {
-              "windowId": {
-                "type": "integer",
-                "minimum": 0,
-                "description": "The window whose tabs changed."
-              },
-              "tabIds": {
-                "type": "array",
-                "items": {"type": "integer", "minimum": 0},
-                "description": "All highlighted tabs in the window."
-              }
-            }
-          }
-        ]
-      },
-      {
-        "name": "onHighlighted",
-        "type": "function",
-        "description": "Fired when the highlighted or selected tabs in a window changes.",
-        "parameters": [
-          {
-            "type": "object",
-            "name": "highlightInfo",
-            "properties": {
-              "windowId": {
-                "type": "integer",
-                "minimum": 0,
-                "description": "The window whose tabs changed."
-              },
-              "tabIds": {
-                "type": "array",
-                "items": {"type": "integer", "minimum": 0},
-                "description": "All highlighted tabs in the window."
-              }
-            }
-          }
-        ]
-      },
-      {
-        "name": "onDetached",
-        "type": "function",
-        "description": "Fired when a tab is detached from a window, for example because it is being moved between windows.",
-        "parameters": [
-          {"type": "integer", "name": "tabId", "minimum": 0},
-          {
-            "type": "object",
-            "name": "detachInfo",
-            "properties": {
-              "oldWindowId": {"type": "integer", "minimum": 0},
-              "oldPosition": {"type": "integer", "minimum": 0}
-            }
-          }
-        ]
-      },
-      {
-        "name": "onAttached",
-        "type": "function",
-        "description": "Fired when a tab is attached to a window, for example because it was moved between windows.",
-        "parameters": [
-          {"type": "integer", "name": "tabId", "minimum": 0},
-          {
-            "type": "object",
-            "name": "attachInfo",
-            "properties": {
-              "newWindowId": {"type": "integer", "minimum": 0},
-              "newPosition": {"type": "integer", "minimum": 0}
-            }
-          }
-        ]
-      },
-      {
-        "name": "onRemoved",
-        "type": "function",
-        "description": "Fired when a tab is closed.",
-        "parameters": [
-          {"type": "integer", "name": "tabId", "minimum": 0},
-          {
-            "type": "object",
-            "name": "removeInfo",
-            "properties": {
-              "windowId": {"type": "integer", "minimum": 0, "description": "The window whose tab is closed." },
-              "isWindowClosing": {"type": "boolean", "description": "True when the tab is being closed because its window is being closed." }
-            }
-          }
-        ]
-      },
-      {
-        "name": "onReplaced",
-        "type": "function",
-        "description": "Fired when a tab is replaced with another tab due to prerendering or instant.",
-        "parameters": [
-          {"type": "integer", "name": "addedTabId", "minimum": 0},
-          {"type": "integer", "name": "removedTabId", "minimum": 0}
-        ]
-      },
-      {
-        "name": "onZoomChange",
-        "type": "function",
-        "description": "Fired when a tab is zoomed.",
-        "parameters": [{
-          "type": "object",
-          "name": "ZoomChangeInfo",
-          "properties": {
-            "tabId": {"type": "integer", "minimum": 0},
-            "oldZoomFactor": {"type": "number"},
-            "newZoomFactor": {"type": "number"},
-            "zoomSettings": {"$ref": "ZoomSettings"}
-          }
-        }]
-      }
-    ]
-  }
-]
diff --git a/application/basilisk/components/webextensions/schemas/windows.json b/application/basilisk/components/webextensions/schemas/windows.json
deleted file mode 100644
index 8453358b5..000000000
--- a/application/basilisk/components/webextensions/schemas/windows.json
+++ /dev/null
@@ -1,508 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-[
-  {
-    "namespace": "windows",
-    "description": "Use the <code>browser.windows</code> API to interact with browser windows. You can use this API to create, modify, and rearrange windows in the browser.",
-    "types": [
-      {
-        "id": "WindowType",
-        "type": "string",
-        "description": "The type of browser window this is. Under some circumstances a Window may not be assigned type property, for example when querying closed windows from the $(ref:sessions) API.",
-        "enum": ["normal", "popup", "panel", "app", "devtools"]
-      },
-      {
-        "id": "WindowState",
-        "type": "string",
-        "description": "The state of this browser window. Under some circumstances a Window may not be assigned state property, for example when querying closed windows from the $(ref:sessions) API.",
-        "enum": ["normal", "minimized", "maximized", "fullscreen", "docked"]
-      },
-      {
-        "id": "Window",
-        "type": "object",
-        "properties": {
-          "id": {
-            "type": "integer",
-            "optional": true,
-            "minimum": 0,
-            "description": "The ID of the window. Window IDs are unique within a browser session. Under some circumstances a Window may not be assigned an ID, for example when querying windows using the $(ref:sessions) API, in which case a session ID may be present."
-          },
-          "focused": {
-            "type": "boolean",
-            "description": "Whether the window is currently the focused window."
-          },
-          "top": {
-            "type": "integer",
-            "optional": true,
-            "description": "The offset of the window from the top edge of the screen in pixels. Under some circumstances a Window may not be assigned top property, for example when querying closed windows from the $(ref:sessions) API."
-          },
-          "left": {
-            "type": "integer",
-            "optional": true,
-            "description": "The offset of the window from the left edge of the screen in pixels. Under some circumstances a Window may not be assigned left property, for example when querying closed windows from the $(ref:sessions) API."
-          },
-          "width": {
-            "type": "integer",
-            "optional": true,
-            "description": "The width of the window, including the frame, in pixels. Under some circumstances a Window may not be assigned width property, for example when querying closed windows from the $(ref:sessions) API."
-          },
-          "height": {
-            "type": "integer",
-            "optional": true,
-            "description": "The height of the window, including the frame, in pixels. Under some circumstances a Window may not be assigned height property, for example when querying closed windows from the $(ref:sessions) API."
-          },
-          "tabs": {
-            "type": "array",
-            "items": { "$ref": "tabs.Tab" },
-            "optional": true,
-            "description": "Array of $(ref:tabs.Tab) objects representing the current tabs in the window."
-          },
-          "incognito": {
-            "type": "boolean",
-            "description": "Whether the window is incognito."
-          },
-          "type": {
-            "$ref": "WindowType",
-            "optional": true,
-            "description": "The type of browser window this is."
-          },
-          "state": {
-            "$ref": "WindowState",
-            "optional": true,
-            "description": "The state of this browser window."
-          },
-          "alwaysOnTop": {
-            "type": "boolean",
-            "description": "Whether the window is set to be always on top."
-          },
-          "sessionId": {
-            "type": "string",
-            "optional": true,
-            "description": "The session ID used to uniquely identify a Window obtained from the $(ref:sessions) API."
-          }
-        }
-      },
-      {
-        "id": "CreateType",
-        "type": "string",
-        "description": "Specifies what type of browser window to create. The 'panel' and 'detached_panel' types create a popup unless the '--enable-panels' flag is set.",
-        "enum": ["normal", "popup", "panel", "detached_panel"]
-      }
-    ],
-    "properties": {
-      "WINDOW_ID_NONE": {
-        "value": -1,
-        "description": "The windowId value that represents the absence of a browser window."
-      },
-      "WINDOW_ID_CURRENT": {
-        "value": -2,
-        "description": "The windowId value that represents the $(topic:current-window)[current window]."
-      }
-    },
-    "functions": [
-      {
-        "name": "get",
-        "type": "function",
-        "description": "Gets details about a window.",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "integer",
-            "name": "windowId",
-            "minimum": -2
-          },
-          {
-            "type": "object",
-            "name": "getInfo",
-            "optional": true,
-            "description": "",
-            "properties": {
-              "populate": {
-                "type": "boolean",
-                "optional": true,
-                "description": "If true, the $(ref:windows.Window) object will have a <var>tabs</var> property that contains a list of the $(ref:tabs.Tab) objects. The <code>Tab</code> objects only contain the <code>url</code>, <code>title</code> and <code>favIconUrl</code> properties if the extension's manifest file includes the <code>\"tabs\"</code> permission."
-              },
-              "windowTypes": {
-                "type": "array",
-                "items": {
-                  "$ref": "WindowType"
-                },
-                "optional": true,
-                "description": "If set, the $(ref:windows.Window) returned will be filtered based on its type. If unset the default filter is set to <code>['app', 'normal', 'panel', 'popup']</code>, with <code>'app'</code> and <code>'panel'</code> window types limited to the extension's own windows."
-              }
-            }
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "parameters": [
-              {
-                "name": "window",
-                "$ref": "Window"
-              }
-            ]
-          }
-        ]
-      },
-      {
-        "name": "getCurrent",
-        "type": "function",
-        "description": "Gets the $(topic:current-window)[current window].",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "object",
-            "name": "getInfo",
-            "optional": true,
-            "description": "",
-            "properties": {
-              "populate": {
-                "type": "boolean",
-                "optional": true,
-                "description": "If true, the $(ref:windows.Window) object will have a <var>tabs</var> property that contains a list of the $(ref:tabs.Tab) objects. The <code>Tab</code> objects only contain the <code>url</code>, <code>title</code> and <code>favIconUrl</code> properties if the extension's manifest file includes the <code>\"tabs\"</code> permission."
-              },
-              "windowTypes": {
-                "type": "array",
-                "items": { "$ref": "WindowType" },
-                "optional": true,
-                "description": "If set, the $(ref:windows.Window) returned will be filtered based on its type. If unset the default filter is set to <code>['app', 'normal', 'panel', 'popup']</code>, with <code>'app'</code> and <code>'panel'</code> window types limited to the extension's own windows."
-              }
-            }
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "parameters": [
-              {
-                "name": "window",
-                "$ref": "Window"
-              }
-            ]
-          }
-        ]
-      },
-      {
-        "name": "getLastFocused",
-        "type": "function",
-        "description": "Gets the window that was most recently focused &mdash; typically the window 'on top'.",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "object",
-            "name": "getInfo",
-            "optional": true,
-            "description": "",
-            "properties": {
-              "populate": {
-                "type": "boolean",
-                "optional": true,
-                "description": "If true, the $(ref:windows.Window) object will have a <var>tabs</var> property that contains a list of the $(ref:tabs.Tab) objects. The <code>Tab</code> objects only contain the <code>url</code>, <code>title</code> and <code>favIconUrl</code> properties if the extension's manifest file includes the <code>\"tabs\"</code> permission."
-              },
-              "windowTypes": {
-                "type": "array",
-                "items": { "$ref": "WindowType" },
-                "optional": true,
-                "description": "If set, the $(ref:windows.Window) returned will be filtered based on its type. If unset the default filter is set to <code>['app', 'normal', 'panel', 'popup']</code>, with <code>'app'</code> and <code>'panel'</code> window types limited to the extension's own windows."
-              }
-            }
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "parameters": [
-              {
-                "name": "window",
-                "$ref": "Window"
-              }
-            ]
-          }
-        ]
-      },
-      {
-        "name": "getAll",
-        "type": "function",
-        "description": "Gets all windows.",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "object",
-            "name": "getInfo",
-            "optional": true,
-            "description": "",
-            "properties": {
-              "populate": {
-                "type": "boolean",
-                "optional": true,
-                "description": "If true, each $(ref:windows.Window) object will have a <var>tabs</var> property that contains a list of the $(ref:tabs.Tab) objects for that window. The <code>Tab</code> objects only contain the <code>url</code>, <code>title</code> and <code>favIconUrl</code> properties if the extension's manifest file includes the <code>\"tabs\"</code> permission."
-              },
-              "windowTypes": {
-                "type": "array",
-                "items": { "$ref": "WindowType" },
-                "optional": true,
-                "description": "If set, the $(ref:windows.Window) returned will be filtered based on its type. If unset the default filter is set to <code>['app', 'normal', 'panel', 'popup']</code>, with <code>'app'</code> and <code>'panel'</code> window types limited to the extension's own windows."
-              }
-            }
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "parameters": [
-              {
-                "name": "windows",
-                "type": "array",
-                "items": { "$ref": "Window" }
-              }
-            ]
-          }
-        ]
-      },
-      {
-        "name": "create",
-        "type": "function",
-        "description": "Creates (opens) a new browser with any optional sizing, position or default URL provided.",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "object",
-            "name": "createData",
-            "optional": true,
-            "default": {},
-            "properties": {
-              "url": {
-                "description": "A URL or array of URLs to open as tabs in the window. Fully-qualified URLs must include a scheme (i.e. 'http://www.google.com', not 'www.google.com'). Relative URLs will be relative to the current page within the extension. Defaults to the New Tab Page.",
-                "optional": true,
-                "choices": [
-                  { "type": "string", "format": "relativeUrl" },
-                  {
-                    "type": "array",
-                    "items": { "type": "string", "format": "relativeUrl" }
-                  }
-                ]
-              },
-              "tabId": {
-                "type": "integer",
-                "minimum": 0,
-                "optional": true,
-                "description": "The id of the tab for which you want to adopt to the new window."
-              },
-              "left": {
-                "type": "integer",
-                "optional": true,
-                "description": "The number of pixels to position the new window from the left edge of the screen. If not specified, the new window is offset naturally from the last focused window. This value is ignored for panels."
-              },
-              "top": {
-                "type": "integer",
-                "optional": true,
-                "description": "The number of pixels to position the new window from the top edge of the screen. If not specified, the new window is offset naturally from the last focused window. This value is ignored for panels."
-              },
-              "width": {
-                "type": "integer",
-                "minimum": 0,
-                "optional": true,
-                "description": "The width in pixels of the new window, including the frame. If not specified defaults to a natural width."
-              },
-              "height": {
-                "type": "integer",
-                "minimum": 0,
-                "optional": true,
-                "description": "The height in pixels of the new window, including the frame. If not specified defaults to a natural height."
-              },
-              "focused": {
-                "unsupported": true,
-                "type": "boolean",
-                "optional": true,
-                "description": "If true, opens an active window. If false, opens an inactive window."
-              },
-              "incognito": {
-                "type": "boolean",
-                "optional": true,
-                "description": "Whether the new window should be an incognito window."
-              },
-              "type": {
-                "$ref": "CreateType",
-                "optional": true,
-                "description": "Specifies what type of browser window to create. The 'panel' and 'detached_panel' types create a popup unless the '--enable-panels' flag is set."
-              },
-              "state": {
-                "$ref": "WindowState",
-                "optional": true,
-                "description": "The initial state of the window. The 'minimized', 'maximized' and 'fullscreen' states cannot be combined with 'left', 'top', 'width' or 'height'."
-              },
-              "allowScriptsToClose": {
-                "type": "boolean",
-                "optional": true,
-                "description": "Allow scripts to close the window."
-              }
-            },
-            "optional": true
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "parameters": [
-              {
-                "name": "window",
-                "$ref": "Window",
-                "description": "Contains details about the created window.",
-                "optional": true
-              }
-            ]
-          }
-        ]
-      },
-      {
-        "name": "update",
-        "type": "function",
-        "description": "Updates the properties of a window. Specify only the properties that you want to change; unspecified properties will be left unchanged.",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "integer",
-            "name": "windowId",
-            "minimum": -2
-          },
-          {
-            "type": "object",
-            "name": "updateInfo",
-            "properties": {
-              "left": {
-                "type": "integer",
-                "optional": true,
-                "description": "The offset from the left edge of the screen to move the window to in pixels. This value is ignored for panels."
-              },
-              "top": {
-                "type": "integer",
-                "optional": true,
-                "description": "The offset from the top edge of the screen to move the window to in pixels. This value is ignored for panels."
-              },
-              "width": {
-                "type": "integer",
-                "minimum": 0,
-                "optional": true,
-                "description": "The width to resize the window to in pixels. This value is ignored for panels."
-              },
-              "height": {
-                "type": "integer",
-                "minimum": 0,
-                "optional": true,
-                "description": "The height to resize the window to in pixels. This value is ignored for panels."
-              },
-              "focused": {
-                "type": "boolean",
-                "optional": true,
-                "description": "If true, brings the window to the front. If false, brings the next window in the z-order to the front."
-              },
-              "drawAttention": {
-                "type": "boolean",
-                "optional": true,
-                "description": "If true, causes the window to be displayed in a manner that draws the user's attention to the window, without changing the focused window. The effect lasts until the user changes focus to the window. This option has no effect if the window already has focus. Set to false to cancel a previous draw attention request."
-              },
-              "state": {
-                "$ref": "WindowState",
-                "optional": true,
-                "description": "The new state of the window. The 'minimized', 'maximized' and 'fullscreen' states cannot be combined with 'left', 'top', 'width' or 'height'."
-              }
-            }
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "parameters": [
-              {
-                "name": "window",
-                "$ref": "Window"
-              }
-            ]
-          }
-        ]
-      },
-      {
-        "name": "remove",
-        "type": "function",
-        "description": "Removes (closes) a window, and all the tabs inside it.",
-        "async": "callback",
-        "parameters": [
-          {
-            "type": "integer",
-            "name": "windowId",
-            "minimum": 0
-          },
-          {
-            "type": "function",
-            "name": "callback",
-            "optional": true,
-            "parameters": []
-          }
-        ]
-      }
-    ],
-    "events": [
-      {
-        "name": "onCreated",
-        "type": "function",
-        "description": "Fired when a window is created.",
-        "filters": [
-          {
-            "name": "windowTypes",
-            "type": "array",
-            "items": { "$ref": "WindowType" },
-            "description": "Conditions that the window's type being created must satisfy. By default it will satisfy <code>['app', 'normal', 'panel', 'popup']</code>, with <code>'app'</code> and <code>'panel'</code> window types limited to the extension's own windows."
-          }
-        ],
-        "parameters": [
-          {
-            "$ref": "Window",
-            "name": "window",
-            "description": "Details of the window that was created."
-          }
-        ]
-      },
-      {
-        "name": "onRemoved",
-        "type": "function",
-        "description": "Fired when a window is removed (closed).",
-        "filters": [
-          {
-            "name": "windowTypes",
-            "type": "array",
-            "items": { "$ref": "WindowType" },
-            "description": "Conditions that the window's type being removed must satisfy. By default it will satisfy <code>['app', 'normal', 'panel', 'popup']</code>, with <code>'app'</code> and <code>'panel'</code> window types limited to the extension's own windows."
-          }
-        ],
-        "parameters": [
-          {
-            "type": "integer",
-            "name": "windowId",
-            "minimum": 0,
-            "description": "ID of the removed window."
-          }
-        ]
-      },
-      {
-        "name": "onFocusChanged",
-        "type": "function",
-        "description": "Fired when the currently focused window changes. Will be $(ref:windows.WINDOW_ID_NONE) if all browser windows have lost focus. Note: On some Linux window managers, WINDOW_ID_NONE will always be sent immediately preceding a switch from one browser window to another.",
-        "filters": [
-          {
-            "name": "windowTypes",
-            "type": "array",
-            "items": { "$ref": "WindowType" },
-            "description": "Conditions that the window's type being removed must satisfy. By default it will satisfy <code>['app', 'normal', 'panel', 'popup']</code>, with <code>'app'</code> and <code>'panel'</code> window types limited to the extension's own windows."
-          }
-        ],
-        "parameters": [
-          {
-            "type": "integer",
-            "name": "windowId",
-            "minimum": -1,
-            "description": "ID of the newly focused window."
-          }
-        ]
-      }
-    ]
-  }
-]
diff --git a/application/basilisk/configure.in b/application/basilisk/configure.in
index 8527d218c..4e7a06390 100644
--- a/application/basilisk/configure.in
+++ b/application/basilisk/configure.in
@@ -16,16 +16,3 @@ AC_SUBST(MC_BASILISK)
 
 dnl Optional parts of the build.
 
-dnl ========================================================
-dnl = Disable WebExtensions
-dnl ========================================================
-MOZ_ARG_DISABLE_BOOL(webextensions,
-[  --disable-webextensions            Disable WebExtensions],
-    MOZ_WEBEXTENSIONS=,
-    MOZ_WEBEXTENSIONS=1)
-
-if test -n "$MOZ_WEBEXTENSIONS"; then
-    AC_DEFINE(MOZ_WEBEXTENSIONS)
-fi
-
-AC_SUBST(MOZ_WEBEXTENSIONS)
\ No newline at end of file
diff --git a/application/basilisk/confvars.sh b/application/basilisk/confvars.sh
index 48985f16a..2df7e826a 100644
--- a/application/basilisk/confvars.sh
+++ b/application/basilisk/confvars.sh
@@ -8,17 +8,13 @@ MOZ_APP_VENDOR=Moonchild
 MOZ_PHOENIX=1
 MOZ_AUSTRALIS=1
 MC_BASILISK=1
-MOZ_UPDATER=1
+MOZ_UPDATER=
 
 if test "$OS_ARCH" = "WINNT" -o \
         "$OS_ARCH" = "Linux"; then
   MOZ_BUNDLED_FONTS=1
 fi
 
-if test "$OS_ARCH" = "WINNT"; then
-  MOZ_MAINTENANCE_SERVICE=
-fi
-
 # For Basilisk we want to use 52.9.YYYY.MM.DD as MOZ_APP_VERSION in release
 # builds so add-on developers have something to target while maintaining
 # Firefox compatiblity.
@@ -45,9 +41,9 @@ MOZ_APP_ID={ec8030f7-c20a-464f-9b0e-13a3a9e97384}
 # This should usually be the same as the value MAR_CHANNEL_ID.
 # If more than one ID is needed, then you should use a comma separated list
 # of values.
-ACCEPTED_MAR_CHANNEL_IDS=basilisk-release
+ACCEPTED_MAR_CHANNEL_IDS=unofficial,unstable,release
 # The MAR_CHANNEL_ID must not contain the following 3 characters: ",\t "
-MAR_CHANNEL_ID=basilisk-release
+MAR_CHANNEL_ID=unofficial
 
 # Features
 MOZ_PROFILE_MIGRATOR=1
@@ -55,13 +51,12 @@ MOZ_APP_STATIC_INI=1
 MOZ_WEBGL_CONFORMANT=1
 MOZ_JSDOWNLOADS=1
 MOZ_WEBRTC=1
-MOZ_WEBEXTENSIONS=1
 MOZ_DEVTOOLS=1
 MOZ_SERVICES_COMMON=1
 MOZ_SERVICES_SYNC=1
 MOZ_SERVICES_HEALTHREPORT=
 MOZ_SAFE_BROWSING=
-
+MOZ_GAMEPAD=1
 # Disable checking that add-ons are signed by the trusted root
 MOZ_ADDON_SIGNING=0
 MOZ_REQUIRE_SIGNING=0
diff --git a/application/basilisk/extensions/pdfjs/content/PdfJs.jsm b/application/basilisk/extensions/pdfjs/content/PdfJs.jsm
index b3d85436e..7dc01c398 100644
--- a/application/basilisk/extensions/pdfjs/content/PdfJs.jsm
+++ b/application/basilisk/extensions/pdfjs/content/PdfJs.jsm
@@ -52,23 +52,6 @@ XPCOMUtils.defineLazyModuleGetter(this, 'PdfjsChromeUtils',
                                   'resource://pdf.js/PdfjsChromeUtils.jsm');
 XPCOMUtils.defineLazyModuleGetter(this, 'PdfjsContentUtils',
                                   'resource://pdf.js/PdfjsContentUtils.jsm');
-
-function getBoolPref(aPref, aDefaultValue) {
-  try {
-    return Services.prefs.getBoolPref(aPref);
-  } catch (ex) {
-    return aDefaultValue;
-  }
-}
-
-function getIntPref(aPref, aDefaultValue) {
-  try {
-    return Services.prefs.getIntPref(aPref);
-  } catch (ex) {
-    return aDefaultValue;
-  }
-}
-
 function isDefaultHandler() {
  if (Services.appinfo.processType === Services.appinfo.PROCESS_TYPE_CONTENT) {
    return PdfjsContentUtils.isDefaultHandlerApp();
@@ -172,7 +155,7 @@ var PdfJs = {
     }
     this._initialized = true;
 
-    if (!getBoolPref(PREF_DISABLED, true)) {
+    if (!Services.prefs.getBoolPref(PREF_DISABLED, true)) {
       this._migrate();
     }
 
@@ -209,7 +192,7 @@ var PdfJs = {
 
   _migrate: function migrate() {
     const VERSION = 2;
-    var currentVersion = getIntPref(PREF_MIGRATION_VERSION, 0);
+    var currentVersion = Services.prefs.getIntPref(PREF_MIGRATION_VERSION, 0);
     if (currentVersion >= VERSION) {
       return;
     }
@@ -284,7 +267,7 @@ var PdfJs = {
    * @return {boolean} Whether or not it's enabled.
    */
   get enabled() {
-    var disabled = getBoolPref(PREF_DISABLED, true);
+    var disabled = Services.prefs.getBoolPref(PREF_DISABLED, true);
     if (disabled) {
       return false;
     }
diff --git a/application/basilisk/extensions/pdfjs/content/PdfStreamConverter.jsm b/application/basilisk/extensions/pdfjs/content/PdfStreamConverter.jsm
index 5e337bbc5..b5b21f214 100644
--- a/application/basilisk/extensions/pdfjs/content/PdfStreamConverter.jsm
+++ b/application/basilisk/extensions/pdfjs/content/PdfStreamConverter.jsm
@@ -78,22 +78,6 @@ function getFindBar(domWindow) {
   }
 }
 
-function getBoolPref(pref, def) {
-  try {
-    return Services.prefs.getBoolPref(pref);
-  } catch (ex) {
-    return def;
-  }
-}
-
-function getIntPref(pref, def) {
-  try {
-    return Services.prefs.getIntPref(pref);
-  } catch (ex) {
-    return def;
-  }
-}
-
 function getStringPref(pref, def) {
   try {
     return Services.prefs.getComplexValue(pref, Ci.nsISupportsString).data;
@@ -103,7 +87,7 @@ function getStringPref(pref, def) {
 }
 
 function log(aMsg) {
-  if (!getBoolPref(PREF_PREFIX + '.pdfBugEnabled', false)) {
+  if (!Services.prefs.getBoolPref(PREF_PREFIX + '.pdfBugEnabled', false)) {
     return;
   }
   var msg = 'PdfStreamConverter.js: ' + (aMsg.join ? aMsg.join('') : aMsg);
@@ -359,17 +343,17 @@ ChromeActions.prototype = {
     return !!findBar && ('updateControlState' in findBar);
   },
   supportsDocumentFonts: function() {
-    var prefBrowser = getIntPref('browser.display.use_document_fonts', 1);
-    var prefGfx = getBoolPref('gfx.downloadable_fonts.enabled', true);
+    var prefBrowser = Services.prefs.getIntPref('browser.display.use_document_fonts', 1);
+    var prefGfx = Services.prefs.getBoolPref('gfx.downloadable_fonts.enabled', true);
     return (!!prefBrowser && prefGfx);
   },
   supportsDocumentColors: function() {
-    return getIntPref('browser.display.document_color_use', 0) !== 2;
+    return Services.prefs.getIntPref('browser.display.document_color_use', 0) !== 2;
   },
   supportedMouseWheelZoomModifierKeys: function() {
     return {
-      ctrlKey: getIntPref('mousewheel.with_control.action', 3) === 3,
-      metaKey: getIntPref('mousewheel.with_meta.action', 1) === 3,
+      ctrlKey: Services.prefs.getIntPref('mousewheel.with_control.action', 3) === 3,
+      metaKey: Services.prefs.getIntPref('mousewheel.with_meta.action', 1) === 3,
     };
   },
   reportTelemetry: function (data) {
@@ -531,10 +515,10 @@ ChromeActions.prototype = {
       prefName = (PREF_PREFIX + '.' + key);
       switch (typeof prefValue) {
         case 'boolean':
-          currentPrefs[key] = getBoolPref(prefName, prefValue);
+          currentPrefs[key] = Services.prefs.getBoolPref(prefName, prefValue);
           break;
         case 'number':
-          currentPrefs[key] = getIntPref(prefName, prefValue);
+          currentPrefs[key] = Services.prefs.getIntPref(prefName, prefValue);
           break;
         case 'string':
           currentPrefs[key] = getStringPref(prefName, prefValue);
@@ -921,16 +905,16 @@ PdfStreamConverter.prototype = {
       } catch (e) {}
 
       var hash = aRequest.URI.ref;
-      var isPDFBugEnabled = getBoolPref(PREF_PREFIX + '.pdfBugEnabled', false);
+      var isPDFBugEnabled = Services.prefs.getBoolPref(PREF_PREFIX + '.pdfBugEnabled', false);
       rangeRequest = contentEncoding === 'identity' &&
                      acceptRanges === 'bytes' &&
                      aRequest.contentLength >= 0 &&
-                     !getBoolPref(PREF_PREFIX + '.disableRange', false) &&
+                     !Services.prefs.getBoolPref(PREF_PREFIX + '.disableRange', false) &&
                      (!isPDFBugEnabled ||
                       hash.toLowerCase().indexOf('disablerange=true') < 0);
       streamRequest = contentEncoding === 'identity' &&
                       aRequest.contentLength >= 0 &&
-                      !getBoolPref(PREF_PREFIX + '.disableStream', false) &&
+                      !Services.prefs.getBoolPref(PREF_PREFIX + '.disableStream', false) &&
                       (!isPDFBugEnabled ||
                        hash.toLowerCase().indexOf('disablestream=true') < 0);
     }
diff --git a/application/basilisk/installer/package-manifest.in b/application/basilisk/installer/package-manifest.in
index c446d3687..4ea50408a 100644
--- a/application/basilisk/installer/package-manifest.in
+++ b/application/basilisk/installer/package-manifest.in
@@ -35,7 +35,9 @@
 #ifdef XP_MACOSX
 ; Mac bundle stuff
 @APPNAME@/Contents/Info.plist
+#ifdef MOZ_UPDATER
 @APPNAME@/Contents/Library/LaunchServices
+#endif
 @APPNAME@/Contents/PkgInfo
 @RESPATH@/firefox.icns
 @RESPATH@/document.icns
@@ -56,8 +58,8 @@
 #ifdef HAVE_MAKENSISU
 @BINPATH@/uninstall/helper.exe
 #endif
-#ifdef MOZ_UPDATER
 @RESPATH@/update.locale
+#ifdef MOZ_UPDATER
 @RESPATH@/updater.ini
 #endif
 
@@ -114,7 +116,7 @@
 @BINPATH@/browser/VisualElements/VisualElements_150.png
 @BINPATH@/browser/VisualElements/VisualElements_70.png
 #else
-@BINPATH@/@MOZ_APP_NAME@-bin
+@RESPATH@/@MOZ_APP_NAME@-bin
 @BINPATH@/@MOZ_APP_NAME@
 #endif
 @RESPATH@/application.ini
@@ -138,13 +140,6 @@
 @RESPATH@/run-mozilla.sh
 #endif
 #endif
-#ifdef XP_WIN
-#ifdef _AMD64_
-@BINPATH@/@DLL_PREFIX@qipcap64@DLL_SUFFIX@
-#else
-@BINPATH@/@DLL_PREFIX@qipcap@DLL_SUFFIX@
-#endif
-#endif
 
 ; [Components]
 #ifdef MOZ_ARTIFACT_BUILDS
@@ -402,15 +397,9 @@
 @RESPATH@/components/addonManager.js
 @RESPATH@/components/amContentHandler.js
 @RESPATH@/components/amInstallTrigger.js
-#ifdef MOZ_WEBEXTENSIONS
-@RESPATH@/components/amWebAPI.js
-#endif
 @RESPATH@/components/amWebInstallListener.js
 @RESPATH@/components/nsBlocklistService.js
 @RESPATH@/components/blocklist.manifest
-#ifdef MOZ_WEBEXTENSIONS
-@RESPATH@/components/nsBlocklistServiceContent.js
-#endif
 #ifdef MOZ_UPDATER
 @RESPATH@/components/nsUpdateService.manifest
 @RESPATH@/components/nsUpdateService.js
@@ -559,12 +548,6 @@
 @RESPATH@/components/TestInterfaceJSMaplike.js
 #endif
 
-#ifdef MOZ_WEBEXTENSIONS
-; [Extensions]
-@RESPATH@/components/extensions-toolkit.manifest
-@RESPATH@/browser/components/extensions-browser.manifest
-#endif
-
 ; Modules
 @RESPATH@/browser/modules/*
 @RESPATH@/modules/*
@@ -726,13 +709,6 @@
 @RESPATH@/components/pipnss.xpt
 @RESPATH@/components/pippki.xpt
 
-; for Solaris SPARC
-#ifdef SOLARIS
-bin/libfreebl_32fpu_3.so
-bin/libfreebl_32int_3.so
-bin/libfreebl_32int64_3.so
-#endif
-
 ; [Updater]
 ;
 #ifdef MOZ_UPDATER
@@ -743,13 +719,6 @@ bin/libfreebl_32int64_3.so
 #endif
 #endif
 
-; [MaintenanceService]
-;
-#ifdef MOZ_MAINTENANCE_SERVICE
-@BINPATH@/maintenanceservice.exe
-@BINPATH@/maintenanceservice_installer.exe
-#endif
-
 @RESPATH@/components/dom_audiochannel.xpt
 
 ; Shutdown Terminator
diff --git a/application/basilisk/installer/windows/Makefile.in b/application/basilisk/installer/windows/Makefile.in
index d5580b53d..5326ab897 100644
--- a/application/basilisk/installer/windows/Makefile.in
+++ b/application/basilisk/installer/windows/Makefile.in
@@ -14,12 +14,6 @@ INSTALLER_FILES = \
 	nsis/shared.nsh \
 	$(NULL)
 
-ifdef MOZ_MAINTENANCE_SERVICE
-INSTALLER_FILES += \
-	nsis/maintenanceservice_installer.nsi \
-	$(NULL)
-endif
-
 BRANDING_FILES = \
 	branding.nsi \
 	appname.bmp \
@@ -79,10 +73,6 @@ $(CONFIG_DIR)/setup.exe::
 	$(PYTHON) $(topsrcdir)/toolkit/mozapps/installer/windows/nsis/preprocess-locale.py \
 	  --preprocess-locale $(topsrcdir) \
 	  $(PPL_LOCALE_ARGS) $(AB_CD) $(CONFIG_DIR)
-	$(PYTHON) $(topsrcdir)/toolkit/mozapps/installer/windows/nsis/preprocess-locale.py \
-	  --preprocess-single-file $(topsrcdir) \
-	  $(PPL_LOCALE_ARGS) $(CONFIG_DIR) \
-	  nsisstrings.properties nsisstrings.nlf
 
 GARBARGE_DIRS += instgen
 
diff --git a/application/basilisk/installer/windows/nsis/defines.nsi.in b/application/basilisk/installer/windows/nsis/defines.nsi.in
index 5ad9b7966..8981bbde8 100644
--- a/application/basilisk/installer/windows/nsis/defines.nsi.in
+++ b/application/basilisk/installer/windows/nsis/defines.nsi.in
@@ -3,23 +3,6 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-# Defining FunnelcakeVersion will append the value of StubURLVersionAppend to
-# StubURLVersion, append the value of URLManualDownloadAppend to
-# URLManualDownload, and append the value of URLStubDownloadAppend to
-# URLStubDownload. The value of FunnelcakeVersion should not be defined when it
-# is not used and when it is defined its value should never be empty.
-# !define FunnelcakeVersion        "999"
-
-!ifdef FunnelcakeVersion
-!define URLManualDownloadAppend  "&f=${FunnelcakeVersion}"
-!define URLStubDownloadAppend    "-f${FunnelcakeVersion}"
-!define StubURLVersionAppend     "-${FunnelcakeVersion}"
-!else
-!define URLManualDownloadAppend  ""
-!define URLStubDownloadAppend    ""
-!define StubURLVersionAppend     ""
-!endif
-
 # These defines should match application.ini settings
 !define AppName               "Basilisk"
 !define AppVersion            "@APP_VERSION@"
@@ -68,10 +51,6 @@
 
 !define MinSupportedCPU "SSE2"
 
-#ifdef MOZ_MAINTENANCE_SERVICE
-!define MOZ_MAINTENANCE_SERVICE
-#endif
-
 # File details shared by both the installer and uninstaller
 VIProductVersion "1.0.0.0"
 VIAddVersionKey "ProductName"     "${BrandShortName}"
@@ -84,13 +63,3 @@ VIAddVersionKey "FileVersion"     "${AppVersion}"
 VIAddVersionKey "ProductVersion"  "${AppVersion}"
 # Comments is not used but left below commented out for future reference
 # VIAddVersionKey "Comments"        "Comments"
-
-# Control positions in Dialog Units so they are placed correctly with
-# non-default DPI settings
-!define OPTIONS_ITEM_EDGE_DU 90u
-!define OPTIONS_ITEM_WIDTH_DU 356u
-!define OPTIONS_SUBITEM_EDGE_DU 119u
-!define OPTIONS_SUBITEM_WIDTH_DU 327u
-!define INSTALL_BLURB_TOP_DU 78u
-!define APPNAME_BMP_EDGE_DU 19u
-!define APPNAME_BMP_TOP_DU 12u
diff --git a/application/basilisk/installer/windows/nsis/installer.nsi b/application/basilisk/installer/windows/nsis/installer.nsi
index 994c09279..6b4b5ab9a 100644
--- a/application/basilisk/installer/windows/nsis/installer.nsi
+++ b/application/basilisk/installer/windows/nsis/installer.nsi
@@ -165,11 +165,6 @@ Page custom preOptions leaveOptions
 !define MUI_DIRECTORYPAGE_VERIFYONLEAVE
 !insertmacro MUI_PAGE_DIRECTORY
 
-; Custom Components Page
-!ifdef MOZ_MAINTENANCE_SERVICE
-Page custom preComponents leaveComponents
-!endif
-
 ; Custom Shortcuts Page
 Page custom preShortcuts leaveShortcuts
 
@@ -427,41 +422,6 @@ Section "-Application" APP_IDX
     ${EndIf}
   ${EndIf}
 
-!ifdef MOZ_MAINTENANCE_SERVICE
-  ; If the maintenance service page was displayed then a value was already 
-  ; explicitly selected for installing the maintenance service and 
-  ; and so InstallMaintenanceService will already be 0 or 1.
-  ; If the maintenance service page was not displayed then 
-  ; InstallMaintenanceService will be equal to "".
-  ${If} $InstallMaintenanceService == ""
-    Call IsUserAdmin
-    Pop $R0
-    ${If} $R0 == "true"
-    ; Only proceed if we have HKLM write access
-    ${AndIf} $TmpVal == "HKLM"
-      ; On Windows < XP SP3 we do not install the maintenance service.
-      ${If} ${IsWinXP}
-      ${AndIf} ${AtMostServicePack} 2
-        StrCpy $InstallMaintenanceService "0"
-      ${Else}
-        ; The user is an admin, so we should default to installing the service.
-        StrCpy $InstallMaintenanceService "1"
-      ${EndIf}
-    ${Else}
-      ; The user is not admin, so we can't install the service.
-      StrCpy $InstallMaintenanceService "0"
-    ${EndIf}
-  ${EndIf}
-
-  ${If} $InstallMaintenanceService == "1"
-    ; The user wants to install the maintenance service, so execute
-    ; the pre-packaged maintenance service installer. 
-    ; This option can only be turned on if the user is an admin so there
-    ; is no need to use ExecShell w/ verb runas to enforce elevated.
-    nsExec::Exec "$\"$INSTDIR\maintenanceservice_installer.exe$\""
-  ${EndIf}
-!endif
-
   ; These need special handling on uninstall since they may be overwritten by
   ; an install into a different location.
   StrCpy $0 "Software\Microsoft\Windows\CurrentVersion\App Paths\${FileMainEXE}"
@@ -578,13 +538,6 @@ Section "-Application" APP_IDX
       ${EndIf}
     ${EndUnless}
   ${EndIf}
-
-!ifdef MOZ_MAINTENANCE_SERVICE
-  ${If} $TmpVal == "HKLM"
-    ; Add the registry keys for allowed certificates.
-    ${AddMaintCertKeys}
-  ${EndIf}
-!endif
 SectionEnd
 
 ; Cleanup operations to perform at the end of the installation.
@@ -948,59 +901,6 @@ Function leaveShortcuts
   ${EndIf}
 FunctionEnd
 
-!ifdef MOZ_MAINTENANCE_SERVICE
-Function preComponents
-  ; If the service already exists, don't show this page
-  ServicesHelper::IsInstalled "MozillaMaintenance"
-  Pop $R9
-  ${If} $R9 == 1
-    ; The service already exists so don't show this page.
-    Abort
-  ${EndIf}
-
-  ; On Windows < XP SP3 we do not install the maintenance service.
-  ${If} ${IsWinXP}
-  ${AndIf} ${AtMostServicePack} 2
-    Abort
-  ${EndIf}
-
-  ; Don't show the custom components page if the
-  ; user is not an admin
-  Call IsUserAdmin
-  Pop $R9
-  ${If} $R9 != "true"
-    Abort
-  ${EndIf}
-
-  ; Only show the maintenance service page if we have write access to HKLM
-  ClearErrors
-  WriteRegStr HKLM "Software\Mozilla" \
-              "${BrandShortName}InstallerTest" "Write Test"
-  ${If} ${Errors}
-    ClearErrors
-    Abort
-  ${Else}
-    DeleteRegValue HKLM "Software\Mozilla" "${BrandShortName}InstallerTest"
-  ${EndIf}
-
-  StrCpy $PageName "Components"
-  ${CheckCustomCommon}
-  !insertmacro MUI_HEADER_TEXT "$(COMPONENTS_PAGE_TITLE)" "$(COMPONENTS_PAGE_SUBTITLE)"
-  !insertmacro MUI_INSTALLOPTIONS_DISPLAY "components.ini"
-FunctionEnd
-
-Function leaveComponents
-  ${MUI_INSTALLOPTIONS_READ} $0 "components.ini" "Settings" "State"
-  ${If} $0 != 0
-    Abort
-  ${EndIf}
-  ${MUI_INSTALLOPTIONS_READ} $InstallMaintenanceService "components.ini" "Field 2" "State"
-  ${If} $InstallType == ${INSTALLTYPE_CUSTOM}
-    Call CheckExistingInstall
-  ${EndIf}
-FunctionEnd
-!endif
-
 Function preSummary
   StrCpy $PageName "Summary"
   ; Setup the summary.ini file for the Custom Summary Page
@@ -1180,7 +1080,6 @@ Function .onInit
 
   !insertmacro InitInstallOptionsFile "options.ini"
   !insertmacro InitInstallOptionsFile "shortcuts.ini"
-  !insertmacro InitInstallOptionsFile "components.ini"
   !insertmacro InitInstallOptionsFile "summary.ini"
 
   WriteINIStr "$PLUGINSDIR\options.ini" "Settings" NumFields "5"
@@ -1255,36 +1154,6 @@ Function .onInit
   WriteINIStr "$PLUGINSDIR\shortcuts.ini" "Field 3" Bottom "50"
   WriteINIStr "$PLUGINSDIR\shortcuts.ini" "Field 3" State  "1"
 
-  ; Don't offer to install the quick launch shortcut on Windows 7
-  ${Unless} ${AtLeastWin7}
-    WriteINIStr "$PLUGINSDIR\shortcuts.ini" "Field 4" Type   "checkbox"
-    WriteINIStr "$PLUGINSDIR\shortcuts.ini" "Field 4" Text   "$(ICONS_QUICKLAUNCH)"
-    WriteINIStr "$PLUGINSDIR\shortcuts.ini" "Field 4" Left   "0"
-    WriteINIStr "$PLUGINSDIR\shortcuts.ini" "Field 4" Right  "-1"
-    WriteINIStr "$PLUGINSDIR\shortcuts.ini" "Field 4" Top    "60"
-    WriteINIStr "$PLUGINSDIR\shortcuts.ini" "Field 4" Bottom "70"
-    WriteINIStr "$PLUGINSDIR\shortcuts.ini" "Field 4" State  "1"
-  ${EndUnless}
-
-  ; Setup the components.ini file for the Components Page
-  WriteINIStr "$PLUGINSDIR\components.ini" "Settings" NumFields "2"
-
-  WriteINIStr "$PLUGINSDIR\components.ini" "Field 1" Type   "label"
-  WriteINIStr "$PLUGINSDIR\components.ini" "Field 1" Text   "$(OPTIONAL_COMPONENTS_DESC)"
-  WriteINIStr "$PLUGINSDIR\components.ini" "Field 1" Left   "0"
-  WriteINIStr "$PLUGINSDIR\components.ini" "Field 1" Right  "-1"
-  WriteINIStr "$PLUGINSDIR\components.ini" "Field 1" Top    "5"
-  WriteINIStr "$PLUGINSDIR\components.ini" "Field 1" Bottom "25"
-
-  WriteINIStr "$PLUGINSDIR\components.ini" "Field 2" Type   "checkbox"
-  WriteINIStr "$PLUGINSDIR\components.ini" "Field 2" Text   "$(MAINTENANCE_SERVICE_CHECKBOX_DESC)"
-  WriteINIStr "$PLUGINSDIR\components.ini" "Field 2" Left   "0"
-  WriteINIStr "$PLUGINSDIR\components.ini" "Field 2" Right  "-1"
-  WriteINIStr "$PLUGINSDIR\components.ini" "Field 2" Top    "27"
-  WriteINIStr "$PLUGINSDIR\components.ini" "Field 2" Bottom "37"
-  WriteINIStr "$PLUGINSDIR\components.ini" "Field 2" State  "1"
-  WriteINIStr "$PLUGINSDIR\components.ini" "Field 2" Flags  "GROUP"
-
   ; There must always be a core directory.
   ${GetSize} "$EXEDIR\core\" "/S=0K" $R5 $R7 $R8
   SectionSetSize ${APP_IDX} $R5
diff --git a/application/basilisk/installer/windows/nsis/maintenanceservice_installer.nsi b/application/basilisk/installer/windows/nsis/maintenanceservice_installer.nsi
deleted file mode 100644
index 1f73bac6a..000000000
--- a/application/basilisk/installer/windows/nsis/maintenanceservice_installer.nsi
+++ /dev/null
@@ -1,332 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-; Set verbosity to 3 (e.g. no script) to lessen the noise in the build logs
-!verbose 3
-
-; 7-Zip provides better compression than the lzma from NSIS so we add the files
-; uncompressed and use 7-Zip to create a SFX archive of it
-SetDatablockOptimize on
-SetCompress off
-CRCCheck on
-
-RequestExecutionLevel admin
-
-; The commands inside this ifdef require NSIS 3.0a2 or greater so the ifdef can
-; be removed after we require NSIS 3.0a2 or greater.
-!ifdef NSIS_PACKEDVERSION
-  Unicode true
-  ManifestSupportedOS all
-  ManifestDPIAware true
-!endif
-
-!addplugindir ./
-
-; Variables
-Var TempMaintServiceName
-Var BrandFullNameDA
-Var BrandFullName
-
-; Other included files may depend upon these includes!
-; The following includes are provided by NSIS.
-!include FileFunc.nsh
-!include LogicLib.nsh
-!include MUI.nsh
-!include WinMessages.nsh
-!include WinVer.nsh
-!include WordFunc.nsh
-
-!insertmacro GetOptions
-!insertmacro GetParameters
-!insertmacro GetSize
-
-; The test slaves use this fallback key to run tests.
-; And anyone that wants to run tests themselves should already have 
-; this installed.
-!define FallbackKey \
-  "SOFTWARE\Mozilla\MaintenanceService\3932ecacee736d366d6436db0f55bce4"
-
-!define CompanyName "Mozilla Corporation"
-!define BrandFullNameInternal ""
-
-; The following includes are custom.
-!include defines.nsi
-; We keep defines.nsi defined so that we get other things like 
-; the version number, but we redefine BrandFullName
-!define MaintFullName "Mozilla Maintenance Service"
-!undef BrandFullName
-!define BrandFullName "${MaintFullName}"
-
-!include common.nsh
-!include locales.nsi
-
-VIAddVersionKey "FileDescription" "${MaintFullName} Installer"
-VIAddVersionKey "OriginalFilename" "maintenanceservice_installer.exe"
-
-Name "${MaintFullName}"
-OutFile "maintenanceservice_installer.exe"
-
-; Get installation folder from registry if available
-InstallDirRegKey HKLM "Software\Mozilla\MaintenanceService" ""
-
-SetOverwrite on
-
-; serviceinstall.cpp also uses this key, in case the path is changed, update
-; there too.
-!define MaintUninstallKey \
- "Software\Microsoft\Windows\CurrentVersion\Uninstall\MozillaMaintenanceService"
-
-; Always install into the 32-bit location even if we have a 64-bit build.
-; This is because we use only 1 service for all Basilisk channels.
-; Allow either x86 and x64 builds to exist at this location, depending on
-; what is the latest build.
-InstallDir "$PROGRAMFILES32\${MaintFullName}\"
-ShowUnInstDetails nevershow
-
-################################################################################
-# Modern User Interface - MUI
-
-!define MUI_ICON setup.ico
-!define MUI_UNICON setup.ico
-!define MUI_WELCOMEPAGE_TITLE_3LINES
-!define MUI_UNWELCOMEFINISHPAGE_BITMAP wizWatermark.bmp
-
-;Interface Settings
-!define MUI_ABORTWARNING
-
-; Uninstaller Pages
-!insertmacro MUI_UNPAGE_CONFIRM
-!insertmacro MUI_UNPAGE_INSTFILES
-
-################################################################################
-# Language
-
-!insertmacro MOZ_MUI_LANGUAGE 'baseLocale'
-!verbose push
-!verbose 3
-!include "overrideLocale.nsh"
-!include "customLocale.nsh"
-!verbose pop
-
-; Set this after the locale files to override it if it is in the locale
-; using " " for BrandingText will hide the "Nullsoft Install System..." branding
-BrandingText " "
-
-Function .onInit
-  ; Remove the current exe directory from the search order.
-  ; This only effects LoadLibrary calls and not implicitly loaded DLLs.
-  System::Call 'kernel32::SetDllDirectoryW(w "")'
-
-  SetSilent silent
-
-  ${Unless} ${AtLeastWin7}
-    Abort
-  ${EndUnless}
-FunctionEnd
-
-Function un.onInit
-  ; Remove the current exe directory from the search order.
-  ; This only effects LoadLibrary calls and not implicitly loaded DLLs.
-  System::Call 'kernel32::SetDllDirectoryW(w "")'
-
-; The commands inside this ifndef are needed prior to NSIS 3.0a2 and can be
-; removed after we require NSIS 3.0a2 or greater.
-!ifndef NSIS_PACKEDVERSION
-  ${If} ${AtLeastWinVista}
-    System::Call 'user32::SetProcessDPIAware()'
-  ${EndIf}
-!endif
-
-  StrCpy $BrandFullNameDA "${MaintFullName}"
-  StrCpy $BrandFullName "${MaintFullName}"
-FunctionEnd
-
-Section "MaintenanceService"
-  AllowSkipFiles off
-
-  CreateDirectory $INSTDIR
-  SetOutPath $INSTDIR
-
-  ; If the service already exists, then it will be stopped when upgrading it
-  ; via the maintenanceservice_tmp.exe command executed below.
-  ; The maintenanceservice_tmp.exe command will rename the file to
-  ; maintenanceservice.exe if maintenanceservice_tmp.exe is newer.
-  ; If the service does not exist yet, we install it and drop the file on
-  ; disk as maintenanceservice.exe directly.
-  StrCpy $TempMaintServiceName "maintenanceservice.exe"
-  IfFileExists "$INSTDIR\maintenanceservice.exe" 0 skipAlreadyExists
-    StrCpy $TempMaintServiceName "maintenanceservice_tmp.exe"
-  skipAlreadyExists:
-
-  ; We always write out a copy and then decide whether to install it or 
-  ; not via calling its 'install' cmdline which works by version comparison.
-  CopyFiles "$EXEDIR\maintenanceservice.exe" "$INSTDIR\$TempMaintServiceName"
-
-  ; The updater.ini file is only used when performing an install or upgrade,
-  ; and only if that install or upgrade is successful.  If an old updater.ini
-  ; happened to be copied into the maintenance service installation directory
-  ; but the service was not newer, the updater.ini file would be unused.
-  ; It is used to fill the description of the service on success.
-  CopyFiles "$EXEDIR\updater.ini" "$INSTDIR\updater.ini"
-
-  ; Install the application maintenance service.
-  ; If a service already exists, the command line parameter will stop the
-  ; service and only install itself if it is newer than the already installed
-  ; service.  If successful it will remove the old maintenanceservice.exe
-  ; and replace it with maintenanceservice_tmp.exe.
-  ClearErrors
-  ${GetParameters} $0
-  ${GetOptions} "$0" "/Upgrade" $0
-  ${If} ${Errors}
-    ExecWait '"$INSTDIR\$TempMaintServiceName" install'
-  ${Else}
-    ; The upgrade cmdline is the same as install except
-    ; It will fail if the service isn't already installed.
-    ExecWait '"$INSTDIR\$TempMaintServiceName" upgrade'
-  ${EndIf}
-
-  WriteUninstaller "$INSTDIR\Uninstall.exe"
-  WriteRegStr HKLM "${MaintUninstallKey}" "DisplayName" "${MaintFullName}"
-  WriteRegStr HKLM "${MaintUninstallKey}" "UninstallString" \
-                   '"$INSTDIR\uninstall.exe"'
-  WriteRegStr HKLM "${MaintUninstallKey}" "DisplayIcon" \
-                   "$INSTDIR\Uninstall.exe,0"
-  WriteRegStr HKLM "${MaintUninstallKey}" "DisplayVersion" "${AppVersion}"
-  WriteRegStr HKLM "${MaintUninstallKey}" "Publisher" "Mozilla"
-  WriteRegStr HKLM "${MaintUninstallKey}" "Comments" "${BrandFullName}"
-  WriteRegDWORD HKLM "${MaintUninstallKey}" "NoModify" 1
-  ${GetSize} "$INSTDIR" "/S=0K" $R2 $R3 $R4
-  WriteRegDWORD HKLM "${MaintUninstallKey}" "EstimatedSize" $R2
-
-  ; Write out that a maintenance service was attempted.
-  ; We do this because on upgrades we will check this value and we only
-  ; want to install once on the first upgrade to maintenance service.
-  ; Also write out that we are currently installed, preferences will check
-  ; this value to determine if we should show the service update pref.
-  ; Since the Maintenance service can be installed either x86 or x64,
-  ; always use the 64-bit registry for checking if an attempt was made.
-  ${If} ${RunningX64}
-    SetRegView 64
-  ${EndIf}
-  WriteRegDWORD HKLM "Software\Mozilla\MaintenanceService" "Attempted" 1
-  WriteRegDWORD HKLM "Software\Mozilla\MaintenanceService" "Installed" 1
-  DeleteRegValue HKLM "Software\Mozilla\MaintenanceService" "FFPrefetchDisabled"
-
-  ; Included here for debug purposes only.  
-  ; These keys are used to bypass the installation dir is a valid installation
-  ; check from the service so that tests can be run.
-  ; WriteRegStr HKLM "${FallbackKey}\0" "name" "Mozilla Corporation"
-  ; WriteRegStr HKLM "${FallbackKey}\0" "issuer" "DigiCert SHA2 Assured ID Code Signing CA"
-  ${If} ${RunningX64}
-    SetRegView lastused
-  ${EndIf}
-SectionEnd
-
-; By renaming before deleting we improve things slightly in case
-; there is a file in use error. In this case a new install can happen.
-Function un.RenameDelete
-  Pop $9
-  ; If the .moz-delete file already exists previously, delete it
-  ; If it doesn't exist, the call is ignored.
-  ; We don't need to pass /REBOOTOK here since it was already marked that way
-  ; if it exists.
-  Delete "$9.moz-delete"
-  Rename "$9" "$9.moz-delete"
-  ${If} ${Errors}
-    Delete /REBOOTOK "$9"
-  ${Else} 
-    Delete /REBOOTOK "$9.moz-delete"
-  ${EndIf}
-  ClearErrors
-FunctionEnd
-
-Section "Uninstall"
-  ; Delete the service so that no updates will be attempted
-  ExecWait '"$INSTDIR\maintenanceservice.exe" uninstall'
-
-  Push "$INSTDIR\updater.ini"
-  Call un.RenameDelete
-  Push "$INSTDIR\maintenanceservice.exe"
-  Call un.RenameDelete
-  Push "$INSTDIR\maintenanceservice_tmp.exe"
-  Call un.RenameDelete
-  Push "$INSTDIR\maintenanceservice.old"
-  Call un.RenameDelete
-  Push "$INSTDIR\Uninstall.exe"
-  Call un.RenameDelete
-  Push "$INSTDIR\update\updater.ini"
-  Call un.RenameDelete
-  Push "$INSTDIR\update\updater.exe"
-  Call un.RenameDelete
-  Push "$INSTDIR\logs\maintenanceservice.log"
-  Call un.RenameDelete
-  Push "$INSTDIR\logs\maintenanceservice-1.log"
-  Call un.RenameDelete
-  Push "$INSTDIR\logs\maintenanceservice-2.log"
-  Call un.RenameDelete
-  Push "$INSTDIR\logs\maintenanceservice-3.log"
-  Call un.RenameDelete
-  Push "$INSTDIR\logs\maintenanceservice-4.log"
-  Call un.RenameDelete
-  Push "$INSTDIR\logs\maintenanceservice-5.log"
-  Call un.RenameDelete
-  Push "$INSTDIR\logs\maintenanceservice-6.log"
-  Call un.RenameDelete
-  Push "$INSTDIR\logs\maintenanceservice-7.log"
-  Call un.RenameDelete
-  Push "$INSTDIR\logs\maintenanceservice-8.log"
-  Call un.RenameDelete
-  Push "$INSTDIR\logs\maintenanceservice-9.log"
-  Call un.RenameDelete
-  Push "$INSTDIR\logs\maintenanceservice-10.log"
-  Call un.RenameDelete
-  Push "$INSTDIR\logs\maintenanceservice-install.log"
-  Call un.RenameDelete
-  Push "$INSTDIR\logs\maintenanceservice-uninstall.log"
-  Call un.RenameDelete
-  SetShellVarContext all
-  Push "$APPDATA\Mozilla\logs\maintenanceservice.log"
-  Call un.RenameDelete
-  Push "$APPDATA\Mozilla\logs\maintenanceservice-1.log"
-  Call un.RenameDelete
-  Push "$APPDATA\Mozilla\logs\maintenanceservice-2.log"
-  Call un.RenameDelete
-  Push "$APPDATA\Mozilla\logs\maintenanceservice-3.log"
-  Call un.RenameDelete
-  Push "$APPDATA\Mozilla\logs\maintenanceservice-4.log"
-  Call un.RenameDelete
-  Push "$APPDATA\Mozilla\logs\maintenanceservice-5.log"
-  Call un.RenameDelete
-  Push "$APPDATA\Mozilla\logs\maintenanceservice-6.log"
-  Call un.RenameDelete
-  Push "$APPDATA\Mozilla\logs\maintenanceservice-7.log"
-  Call un.RenameDelete
-  Push "$APPDATA\Mozilla\logs\maintenanceservice-8.log"
-  Call un.RenameDelete
-  Push "$APPDATA\Mozilla\logs\maintenanceservice-9.log"
-  Call un.RenameDelete
-  Push "$APPDATA\Mozilla\logs\maintenanceservice-10.log"
-  Call un.RenameDelete
-  Push "$APPDATA\Mozilla\logs\maintenanceservice-install.log"
-  Call un.RenameDelete
-  Push "$APPDATA\Mozilla\logs\maintenanceservice-uninstall.log"
-  Call un.RenameDelete
-  RMDir /REBOOTOK "$APPDATA\Mozilla\logs"
-  RMDir /REBOOTOK "$APPDATA\Mozilla"
-  RMDir /REBOOTOK "$INSTDIR\logs"
-  RMDir /REBOOTOK "$INSTDIR\update"
-  RMDir /REBOOTOK "$INSTDIR"
-
-  DeleteRegKey HKLM "${MaintUninstallKey}"
-
-  ${If} ${RunningX64}
-    SetRegView 64
-  ${EndIf}
-  DeleteRegValue HKLM "Software\Mozilla\MaintenanceService" "Installed"
-  DeleteRegValue HKLM "Software\Mozilla\MaintenanceService" "FFPrefetchDisabled"
-  DeleteRegKey HKLM "${FallbackKey}\"
-  ${If} ${RunningX64}
-    SetRegView lastused
-  ${EndIf}
-SectionEnd
diff --git a/application/basilisk/installer/windows/nsis/shared.nsh b/application/basilisk/installer/windows/nsis/shared.nsh
index fb2239d24..f5bbef389 100644
--- a/application/basilisk/installer/windows/nsis/shared.nsh
+++ b/application/basilisk/installer/windows/nsis/shared.nsh
@@ -124,51 +124,6 @@
   ${FixDistributionsINI}
 
   RmDir /r /REBOOTOK "$INSTDIR\${TO_BE_DELETED}"
-
-!ifdef MOZ_MAINTENANCE_SERVICE
-  Call IsUserAdmin
-  Pop $R0
-  ${If} $R0 == "true"
-  ; Only proceed if we have HKLM write access
-  ${AndIf} $TmpVal == "HKLM"
-  ; On Windows 2000 we do not install the maintenance service.
-  ${AndIf} ${AtLeastWinXP}
-    ; We check to see if the maintenance service install was already attempted.
-    ; Since the Maintenance service can be installed either x86 or x64,
-    ; always use the 64-bit registry for checking if an attempt was made.
-    ${If} ${RunningX64}
-      SetRegView 64
-    ${EndIf}
-    ReadRegDWORD $5 HKLM "Software\Mozilla\MaintenanceService" "Attempted"
-    ClearErrors
-    ${If} ${RunningX64}
-      SetRegView lastused
-    ${EndIf}
-
-    ; Add the registry keys for allowed certificates.
-    ${AddMaintCertKeys}
-
-    ; If the maintenance service is already installed, do nothing.
-    ; The maintenance service will launch:
-    ; maintenanceservice_installer.exe /Upgrade to upgrade the maintenance
-    ; service if necessary.   If the update was done from updater.exe without
-    ; the service (i.e. service is failing), updater.exe will do the update of
-    ; the service.  The reasons we do not do it here is because we don't want
-    ; to have to prompt for limited user accounts when the service isn't used
-    ; and we currently call the PostUpdate twice, once for the user and once
-    ; for the SYSTEM account.  Also, this would stop the maintenance service
-    ; and we need a return result back to the service when run that way.
-    ${If} $5 == ""
-      ; An install of maintenance service was never attempted.
-      ; We know we are an Admin and that we have write access into HKLM
-      ; based on the above checks, so attempt to just run the EXE.
-      ; In the worst case, in case there is some edge case with the
-      ; IsAdmin check and the permissions check, the maintenance service
-      ; will just fail to be attempted to be installed.
-      nsExec::Exec "$\"$INSTDIR\maintenanceservice_installer.exe$\""
-    ${EndIf}
-  ${EndIf}
-!endif
 !macroend
 !define PostUpdate "!insertmacro PostUpdate"
 
@@ -720,54 +675,6 @@
 !macroend
 !define UpdateProtocolHandlers "!insertmacro UpdateProtocolHandlers"
 
-!ifdef MOZ_MAINTENANCE_SERVICE
-; Adds maintenance service certificate keys for the install dir.
-; For the cert to work, it must also be signed by a trusted cert for the user.
-!macro AddMaintCertKeys
-  Push $R0
-  ; Allow main Mozilla cert information for updates
-  ; This call will push the needed key on the stack
-  ServicesHelper::PathToUniqueRegistryPath "$INSTDIR"
-  Pop $R0
-  ${If} $R0 != ""
-    ; More than one certificate can be specified in a different subfolder
-    ; for example: $R0\1, but each individual binary can be signed
-    ; with at most one certificate.  A fallback certificate can only be used
-    ; if the binary is replaced with a different certificate.
-    ; We always use the 64bit registry for certs.
-    ${If} ${RunningX64}
-      SetRegView 64
-    ${EndIf}
-
-    ; PrefetchProcessName was originally used to experiment with deleting
-    ; Windows prefetch as a speed optimization.  It is no longer used though.
-    DeleteRegValue HKLM "$R0" "prefetchProcessName"
-
-    ; Setting the Attempted value will ensure that a new Maintenance Service
-    ; install will never be attempted again after this from updates.  The value
-    ; is used only to see if updates should attempt new service installs.
-    WriteRegDWORD HKLM "Software\Mozilla\MaintenanceService" "Attempted" 1
-
-    ; These values associate the allowed certificates for the current
-    ; installation.
-    WriteRegStr HKLM "$R0\0" "name" "${CERTIFICATE_NAME}"
-    WriteRegStr HKLM "$R0\0" "issuer" "${CERTIFICATE_ISSUER}"
-    ; These values associate the allowed certificates for the previous
-    ;  installation, so that we can update from it cleanly using the
-    ;  old updater.exe (which will still have this signature).
-    WriteRegStr HKLM "$R0\1" "name" "${CERTIFICATE_NAME_PREVIOUS}"
-    WriteRegStr HKLM "$R0\1" "issuer" "${CERTIFICATE_ISSUER_PREVIOUS}"
-    ${If} ${RunningX64}
-      SetRegView lastused
-    ${EndIf}
-    ClearErrors
-  ${EndIf}
-  ; Restore the previously used value back
-  Pop $R0
-!macroend
-!define AddMaintCertKeys "!insertmacro AddMaintCertKeys"
-!endif
-
 ; Removes various registry entries for reasons noted below (does not use SHCTX).
 !macro RemoveDeprecatedKeys
   StrCpy $0 "SOFTWARE\Classes"
diff --git a/application/basilisk/installer/windows/nsis/uninstaller.nsi b/application/basilisk/installer/windows/nsis/uninstaller.nsi
index 87f4d838a..c556b0a90 100644
--- a/application/basilisk/installer/windows/nsis/uninstaller.nsi
+++ b/application/basilisk/installer/windows/nsis/uninstaller.nsi
@@ -450,24 +450,6 @@ Section "Uninstall"
   ; uninstalls of Basilisk-release with reinstalls of Basilisk-release, for example.
   WriteRegStr HKCU "Software\Mozilla\Basilisk" "Uninstalled-${UpdateChannel}" "True"
 
-!ifdef MOZ_MAINTENANCE_SERVICE
-  ; Get the path the allowed cert is at and remove it
-  ; Keep this block of code last since it modfies the reg view
-  ServicesHelper::PathToUniqueRegistryPath "$INSTDIR"
-  Pop $MaintCertKey
-  ${If} $MaintCertKey != ""
-    ; Always use the 64bit registry for certs on 64bit systems.
-    ${If} ${RunningX64}
-      SetRegView 64
-    ${EndIf}
-    DeleteRegKey HKLM "$MaintCertKey"
-    ${If} ${RunningX64}
-      SetRegView lastused
-    ${EndIf}
-  ${EndIf}
-  Call un.UninstallServiceIfNotUsed
-!endif
-
   ${un.IsFirewallSvcRunning}
   Pop $0
   ${If} "$0" == "true"
diff --git a/application/basilisk/locales/en-US/chrome/browser/aboutRobots.dtd b/application/basilisk/locales/en-US/chrome/browser/aboutRobots.dtd
deleted file mode 100644
index 23447add1..000000000
--- a/application/basilisk/locales/en-US/chrome/browser/aboutRobots.dtd
+++ /dev/null
@@ -1,29 +0,0 @@
-<!-- This Source Code Form is subject to the terms of the Mozilla Public
-   - License, v. 2.0. If a copy of the MPL was not distributed with this
-   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
-
-<!-- These strings are used in the about:robots page, which ties in with the
-     robots theme used in the Firefox 3 Beta 2/3 first run pages.
-     They're just meant to be fun and whimsical, with references to some geeky
-     but well-known robots in movies and books. Be creative with translations! -->
-
-<!-- Nonsense line from the movie "The Day The Earth Stood Still". No translation needed. -->
-<!ENTITY robots.pagetitle  "Gort! Klaatu barada nikto!">
-<!-- Movie: Logan's Run... Box (cybog): "Welcome Humans! I am ready for you." -->
-<!ENTITY robots.errorTitleText "Welcome Humans!">
-<!-- Movie: The Day The Earth Stood Still. Spoken by Klaatu. -->
-<!ENTITY robots.errorShortDescText "We have come to visit you in peace and with goodwill!">
-<!-- Various books by Isaac Asimov. http://en.wikipedia.org/wiki/Three_Laws_of_Robotics -->
-<!ENTITY robots.errorLongDesc1 "Robots may not injure a human being or, through inaction, allow a human being to come to harm.">
-<!-- Movie: Blade Runner. Batty: "I've seen things you people wouldn’t believe..." -->
-<!ENTITY robots.errorLongDesc2 "Robots have seen things you people wouldn’t believe.">
-<!-- Book: Hitchhiker’s Guide To The Galaxy. What the Sirius Cybernetics Corporation calls robots. -->
-<!ENTITY robots.errorLongDesc3 "Robots are Your Plastic Pal Who’s Fun To Be With.">
-<!-- TV: Futurama. Bender's first line is "Bite my shiny metal ass." -->
-<!ENTITY robots.errorLongDesc4 "Robots have shiny metal posteriors which should not be bitten.">
-<!-- TV: Battlestar Galactica (2004 series). From the opening text. -->
-<!ENTITY robots.errorTrailerDescText "And they have a plan.">
-<!-- TV: Battlestar Galactica (2004 series). Common expletive referring to Cylons. -->
-<!ENTITY robots.imgtitle "Frakkin' Toasters">
-<!-- Book: Hitchhiker's Guide To The Galaxy. Arthur presses a button and it warns him. -->
-<!ENTITY robots.dontpress "Please do not press this button again.">
diff --git a/application/basilisk/locales/en-US/chrome/browser/browser.dtd b/application/basilisk/locales/en-US/chrome/browser/browser.dtd
index f75aa46a7..d02a6eedb 100644
--- a/application/basilisk/locales/en-US/chrome/browser/browser.dtd
+++ b/application/basilisk/locales/en-US/chrome/browser/browser.dtd
@@ -116,10 +116,9 @@ These should match what Safari and other Apple applications use on OS X Lion. --
 <!ENTITY toggleReaderMode.key "R">
 
 <!ENTITY fxaSignIn.label "Sign in to &syncBrand.shortName.label;">
-<!ENTITY fxaSignedIn.tooltip "Open &syncBrand.shortName.label; preferences">
 <!ENTITY fxaSignInError.label "Reconnect to &syncBrand.shortName.label;">
 <!ENTITY fxaUnverified.label "Verify Your Account">
-
+<!ENTITY syncSettings.label "Open &syncBrand.shortName.label; settings">
 
 <!ENTITY fullScreenMinimize.tooltip "Minimize">
 <!ENTITY fullScreenRestore.tooltip "Restore">
@@ -207,8 +206,6 @@ These should match what Safari and other Apple applications use on OS X Lion. --
 <!ENTITY urlbar.webRTCShareScreenNotificationAnchor.tooltip       "Manage sharing your windows or screen with the site">
 
 <!ENTITY urlbar.servicesNotificationAnchor.tooltip        "Open install message panel">
-<!ENTITY urlbar.translateNotificationAnchor.tooltip       "Translate this page">
-<!ENTITY urlbar.translatedNotificationAnchor.tooltip      "Manage page translation">
 <!ENTITY urlbar.emeNotificationAnchor.tooltip             "Manage use of DRM software">
 
 <!ENTITY urlbar.cameraBlocked.tooltip            "You have blocked your camera for this website.">
@@ -351,7 +348,7 @@ These should match what Safari and other Apple applications use on OS X Lion. --
 <!ENTITY appMenuRemoteTabs.openprefs.label "Sync Preferences">
 <!ENTITY appMenuRemoteTabs.notsignedin.label "Sign in to view a list of tabs from your other devices.">
 <!ENTITY appMenuRemoteTabs.signin.label "Sign in to Sync">
-<!ENTITY appMenuRemoteTabs.sidebar.label "View Synced Tabs Sidebar">
+<!ENTITY appMenuRemoteTabs.sidebar.label "View Synced Tabs">
 
 <!ENTITY customizeMenu.addToToolbar.label "Add to Toolbar">
 <!ENTITY customizeMenu.addToToolbar.accesskey "A">
diff --git a/application/basilisk/locales/en-US/chrome/browser/browser.properties b/application/basilisk/locales/en-US/chrome/browser/browser.properties
index f1c39839b..abec30bf1 100644
--- a/application/basilisk/locales/en-US/chrome/browser/browser.properties
+++ b/application/basilisk/locales/en-US/chrome/browser/browser.properties
@@ -638,37 +638,6 @@ e10s.accessibilityNotice.acceptButton.accesskey = O
 e10s.accessibilityNotice.enableAndRestart.label = Enable (Requires Restart)
 e10s.accessibilityNotice.enableAndRestart.accesskey = E
 
-# LOCALIZATION NOTE (userContextPersonal.label,
-#                    userContextWork.label,
-#                    userContextShopping.label,
-#                    userContextBanking.label,
-#                    userContextNone.label):
-# These strings specify the four predefined contexts included in support of the
-# Contextual Identity / Containers project. Each context is meant to represent
-# the context that the user is in when interacting with the site. Different
-# contexts will store cookies and other information from those sites in
-# different, isolated locations. You can enable the feature by typing
-# about:config in the URL bar and changing privacy.userContext.enabled to true.
-# Once enabled, you can open a new tab in a specific context by clicking
-# File > New Container Tab > (1 of 4 contexts). Once opened, you will see these
-# strings on the right-hand side of the URL bar.
-userContextPersonal.label = Personal
-userContextWork.label = Work
-userContextBanking.label = Banking
-userContextShopping.label = Shopping
-userContextNone.label = No Container
-
-userContextPersonal.accesskey = P
-userContextWork.accesskey = W
-userContextBanking.accesskey = B
-userContextShopping.accesskey = S
-userContextNone.accesskey = N
-
-userContext.aboutPage.label = Manage containers
-userContext.aboutPage.accesskey = O
-
-userContextOpenLink.label = Open Link in New %S Tab
-
 muteTab.label = Mute Tab
 muteTab.accesskey = M
 unmuteTab.label = Unmute Tab
diff --git a/application/basilisk/locales/en-US/chrome/browser/preferences/containers.dtd b/application/basilisk/locales/en-US/chrome/browser/preferences/containers.dtd
deleted file mode 100644
index 58eca1ace..000000000
--- a/application/basilisk/locales/en-US/chrome/browser/preferences/containers.dtd
+++ /dev/null
@@ -1,24 +0,0 @@
-<!-- This Source Code Form is subject to the terms of the Mozilla Public
-   - License, v. 2.0. If a copy of the MPL was not distributed with this
-   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
-
-<!ENTITY label.label          "Name">
-<!ENTITY addButton.label      "Add New Container">
-<!ENTITY addButton.accesskey  "A">
-<!-- &#171; is &laquo; however it's not defined in XML -->
-<!ENTITY backLink.label       "&#171; Go Back to Privacy">
-
-<!ENTITY window.title         "Add New Container">
-<!ENTITY window.width         "45em">
-
-<!ENTITY name.label           "Name:">
-<!ENTITY name.accesskey       "N">
-<!ENTITY icon.label           "Icon:">
-<!ENTITY icon.accesskey       "I">
-<!ENTITY color.label          "Color:">
-<!ENTITY color.accesskey      "o">
-<!ENTITY windowClose.key      "w">
-
-<!ENTITY button.ok.label      "Done">
-<!ENTITY button.ok.accesskey  "D">
-
diff --git a/application/basilisk/locales/en-US/chrome/browser/preferences/containers.properties b/application/basilisk/locales/en-US/chrome/browser/preferences/containers.properties
deleted file mode 100644
index 9866a0659..000000000
--- a/application/basilisk/locales/en-US/chrome/browser/preferences/containers.properties
+++ /dev/null
@@ -1,31 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-containers.removeButton = Remove
-containers.preferencesButton = Preferences
-containers.colorHeading = Color:
-containers.labelMinWidth = 4rem
-containers.nameLabel = Name:
-containers.namePlaceholder = Enter a container name
-containers.submitButton = Done
-containers.iconHeading = Icon:
-containers.updateContainerTitle = %S Container Preferences
-
-containers.blue.label = Blue
-containers.turquoise.label = Turquoise
-containers.green.label = Green
-containers.yellow.label = Yellow
-containers.orange.label = Orange
-containers.red.label = Red
-containers.pink.label = Pink
-containers.purple.label = Purple
-
-containers.fingerprint.label = Fingerprint
-containers.briefcase.label = Briefcase
-# LOCALIZATION NOTE (containers.dollar.label)
-# String represents a money sign but currently uses a dollar sign so don't change to local currency
-# See Bug 1291672
-containers.dollar.label = Dollar sign
-containers.cart.label = Shopping cart
-containers.circle.label = Dot
diff --git a/application/basilisk/locales/en-US/chrome/browser/preferences/content.dtd b/application/basilisk/locales/en-US/chrome/browser/preferences/content.dtd
index 5d58ffa37..d1d83b3bc 100644
--- a/application/basilisk/locales/en-US/chrome/browser/preferences/content.dtd
+++ b/application/basilisk/locales/en-US/chrome/browser/preferences/content.dtd
@@ -38,21 +38,6 @@
 <!ENTITY chooseButton.label           "Choose…">
 <!ENTITY chooseButton.accesskey       "o">
 
-<!ENTITY translateWebPages.label      "Translate web content">
-<!ENTITY translateWebPages.accesskey  "T">
-<!ENTITY translateExceptions.label    "Exceptions…">
-<!ENTITY translateExceptions.accesskey "x">
-
-<!-- LOCALIZATION NOTE (translation.options.attribution.beforeLogo,
-  -                     translation.options.attribution.afterLogo):
-  -  These 2 strings are displayed before and after a 'Microsoft Translator'
-  -  logo.
-  -  The translations for these strings should match the translations in
-  -  browser/translation.dtd
-  -->
-<!ENTITY translation.options.attribution.beforeLogo "Translations by">
-<!ENTITY translation.options.attribution.afterLogo "">
-
 <!ENTITY  drmContent.label             "DRM content">
 
 <!ENTITY  playDRMContent.label         "Play DRM content">
diff --git a/application/basilisk/locales/en-US/chrome/browser/preferences/cookies.dtd b/application/basilisk/locales/en-US/chrome/browser/preferences/cookies.dtd
index 5e7df9609..c83331328 100644
--- a/application/basilisk/locales/en-US/chrome/browser/preferences/cookies.dtd
+++ b/application/basilisk/locales/en-US/chrome/browser/preferences/cookies.dtd
@@ -14,7 +14,6 @@
 <!ENTITY     props.path.label               "Path:">
 <!ENTITY     props.secure.label             "Send For:">
 <!ENTITY     props.expires.label            "Expires:">
-<!ENTITY     props.container.label          "Container:">
 
 <!ENTITY     window.title                   "Cookies">
 <!ENTITY     windowClose.key                "w">
diff --git a/application/basilisk/locales/en-US/chrome/browser/preferences/preferences.dtd b/application/basilisk/locales/en-US/chrome/browser/preferences/preferences.dtd
index 7702c8c51..353e627d7 100644
--- a/application/basilisk/locales/en-US/chrome/browser/preferences/preferences.dtd
+++ b/application/basilisk/locales/en-US/chrome/browser/preferences/preferences.dtd
@@ -18,7 +18,6 @@
 <!ENTITY  paneContent.title       "Content">
 <!ENTITY  paneApplications.title  "Applications">
 <!ENTITY  panePrivacy.title       "Privacy">
-<!ENTITY  paneContainers.title    "Container Tabs">
 <!ENTITY  paneSecurity.title      "Security">
 <!ENTITY  paneAdvanced.title      "Advanced">
 
diff --git a/application/basilisk/locales/en-US/chrome/browser/preferences/preferences.properties b/application/basilisk/locales/en-US/chrome/browser/preferences/preferences.properties
index da40f40a9..c0b7e1be0 100644
--- a/application/basilisk/locales/en-US/chrome/browser/preferences/preferences.properties
+++ b/application/basilisk/locales/en-US/chrome/browser/preferences/preferences.properties
@@ -21,8 +21,8 @@ acceptVeryLargeMinimumFont=Keep my changes anyway
 
 trackingprotectionpermissionstext=You have disabled Tracking Protection on these sites.
 trackingprotectionpermissionstitle=Exceptions - Tracking Protection
-cookiepermissionstext=You can specify which websites are always or never allowed to use cookies. Type the exact address of the site you want to manage and then click Block, Allow for Session, or Allow.
-cookiepermissionstitle=Exceptions - Cookies
+cookiepermissionstext=You can specify which websites are always or never allowed to store cookies and site data. Type the exact address of the site you want to manage and then click Block, Allow for Session, or Allow.
+cookiepermissionstitle=Exceptions - Cookies and Site Data
 addonspermissionstext=You can specify which websites are allowed to install add-ons. Type the exact address of the site you want to allow and then click Allow.
 addons_permissions_title=Allowed Sites - Add-ons Installation
 popuppermissionstext=You can specify which websites are allowed to open pop-up windows. Type the exact address of the site you want to allow and then click Allow.
@@ -36,7 +36,7 @@ savedLoginsExceptions_desc=Logins for the following sites will not be saved:
 
 #### Block List Manager
 
-blockliststext=You can choose which list Firefox will use to block Web elements that may track your browsing activity.
+blockliststext=You can choose which list the browser will use to block Web elements that may track your browsing activity.
 blockliststitle=Block Lists
 # LOCALIZATION NOTE (mozNameTemplate): This template constructs the name of the
 # block list in the block lists dialog. It combines the list name and
@@ -191,17 +191,3 @@ revertNoRestartButton=Revert
 
 restartNow=Restart Now
 restartLater=Restart Later
-
-disableContainersAlertTitle=Close All Container Tabs?
-
-# LOCALIZATION NOTE (disableContainersMsg): Semi-colon list of plural forms.
-# See: http://developer.mozilla.org/en/docs/Localization_and_Plurals
-# #S is the number of container tabs
-disableContainersMsg=If you disable Container Tabs now, #S container tab will be closed. Are you sure you want to disable Container Tabs?;If you disable Container Tabs now, #S container tabs will be closed. Are you sure you want to disable Container Tabs?
-
-# LOCALIZATION NOTE (disableContainersOkButton): Semi-colon list of plural forms.
-# See: http://developer.mozilla.org/en/docs/Localization_and_Plurals
-# #S is the number of container tabs
-disableContainersOkButton=Close #S Container Tab;Close #S Container Tabs
-
-disableContainersButton2=Keep enabled
diff --git a/application/basilisk/locales/en-US/chrome/browser/preferences/privacy.dtd b/application/basilisk/locales/en-US/chrome/browser/preferences/privacy.dtd
index e6a7955fb..8820e92ab 100644
--- a/application/basilisk/locales/en-US/chrome/browser/preferences/privacy.dtd
+++ b/application/basilisk/locales/en-US/chrome/browser/preferences/privacy.dtd
@@ -49,10 +49,10 @@
 <!ENTITY  suggestionSettings.label      "Change preferences for search engine suggestions…">
 <!ENTITY  suggestionSettings.accesskey  "g">
 
-<!ENTITY  acceptCookies.label           "Accept cookies from sites">
+<!ENTITY  acceptCookies.label           "Allow sites to store cookies and site data">
 <!ENTITY  acceptCookies.accesskey       "A">
 
-<!ENTITY  acceptThirdParty.pre.label      "Accept third-party cookies:">
+<!ENTITY  acceptThirdParty.pre.label      "Accept third-party cookies and site data:">
 <!ENTITY  acceptThirdParty.pre.accesskey  "y">
 <!ENTITY  acceptThirdParty.always.label   "Always">
 <!ENTITY  acceptThirdParty.never.label    "Never">
@@ -77,7 +77,7 @@
 <!ENTITY  historyHeader.custom.label       "Use custom settings for history">
 <!ENTITY  historyHeader.post.label         "">
 
-<!ENTITY  rememberDescription.label      "&brandShortName; will remember your browsing, download, form and search history, and keep cookies from websites you visit.">
+<!ENTITY  rememberDescription.label      "&brandShortName; will remember your browsing, download, form and search history, and keep cookies and site data from websites you visit.">
 
 <!-- LOCALIZATION NOTE (rememberActions.pre.label): include a trailing space as needed -->
 <!-- LOCALIZATION NOTE (rememberActions.middle.label): include a starting and trailing space as needed -->
@@ -110,10 +110,3 @@
 
 <!ENTITY  clearOnCloseSettings.label     "Settings…">
 <!ENTITY  clearOnCloseSettings.accesskey "t">
-
-<!ENTITY  browserContainersHeader.label         "Container Tabs">
-<!ENTITY  browserContainersLearnMore.label      "Learn more">
-<!ENTITY  browserContainersEnabled.label        "Enable Container Tabs">
-<!ENTITY  browserContainersEnabled.accesskey    "n">
-<!ENTITY  browserContainersSettings.label        "Settings…">
-<!ENTITY  browserContainersSettings.accesskey    "i">
diff --git a/application/basilisk/locales/en-US/chrome/browser/preferences/sync.dtd b/application/basilisk/locales/en-US/chrome/browser/preferences/sync.dtd
index 78cadd74c..a5b290052 100644
--- a/application/basilisk/locales/en-US/chrome/browser/preferences/sync.dtd
+++ b/application/basilisk/locales/en-US/chrome/browser/preferences/sync.dtd
@@ -16,6 +16,7 @@
 <!-- Manage Account -->
 <!ENTITY manageAccount.label          "Manage Account">
 <!ENTITY manageAccount.accesskey      "n">
+<!ENTITY viewQuota.label              "View Quota">
 <!ENTITY changePassword2.label        "Change Password…">
 <!ENTITY myRecoveryKey.label          "My Recovery Key">
 <!ENTITY resetSync2.label             "Reset Sync…">
diff --git a/application/basilisk/locales/en-US/chrome/browser/preferences/translation.dtd b/application/basilisk/locales/en-US/chrome/browser/preferences/translation.dtd
deleted file mode 100644
index fc5fb2b7b..000000000
--- a/application/basilisk/locales/en-US/chrome/browser/preferences/translation.dtd
+++ /dev/null
@@ -1,24 +0,0 @@
-<!-- This Source Code Form is subject to the terms of the Mozilla Public
-   - License, v. 2.0. If a copy of the MPL was not distributed with this
-   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
-
-<!ENTITY window.title                     "Exceptions - Translation">
-<!ENTITY window.width                     "36em">
-<!ENTITY windowClose.key                  "w">
-
-<!ENTITY noTranslationForLanguages.label  "Translation will not be offered for the following languages:">
-<!ENTITY treehead.languageName.label      "Languages">
-<!ENTITY removeLanguage.label             "Remove Language">
-<!ENTITY removeLanguage.accesskey         "R">
-<!ENTITY removeAllLanguages.label         "Remove All Languages">
-<!ENTITY removeAllLanguages.accesskey     "e">
-
-<!ENTITY noTranslationForSites.label      "Translation will not be offered for the following sites:">
-<!ENTITY treehead.siteName.label          "Sites">
-<!ENTITY removeSite.label                 "Remove Site">
-<!ENTITY removeSite.accesskey             "S">
-<!ENTITY removeAllSites.label             "Remove All Sites">
-<!ENTITY removeAllSites.accesskey         "i">
-
-<!ENTITY button.close.label               "Close">
-<!ENTITY button.close.accesskey           "C">
diff --git a/application/basilisk/locales/en-US/chrome/browser/syncBrand.dtd b/application/basilisk/locales/en-US/chrome/browser/syncBrand.dtd
index 0c9e9201a..71a9f68af 100644
--- a/application/basilisk/locales/en-US/chrome/browser/syncBrand.dtd
+++ b/application/basilisk/locales/en-US/chrome/browser/syncBrand.dtd
@@ -3,5 +3,5 @@
    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
 
 <!ENTITY syncBrand.shortName.label  "Sync">
-<!ENTITY syncBrand.fullName.label   "Firefox Sync">
+<!ENTITY syncBrand.fullName.label   "Pale Moon Sync">
 <!ENTITY syncBrand.fxAccount.label  "Firefox Account">
diff --git a/application/basilisk/locales/en-US/chrome/browser/syncSetup.dtd b/application/basilisk/locales/en-US/chrome/browser/syncSetup.dtd
index 950a83553..2657156b7 100644
--- a/application/basilisk/locales/en-US/chrome/browser/syncSetup.dtd
+++ b/application/basilisk/locales/en-US/chrome/browser/syncSetup.dtd
@@ -16,7 +16,7 @@
 
 <!-- New Account AND Existing Account -->
 <!ENTITY server.label               "Server">
-<!ENTITY serverType.default.label      "Default: Mozilla &syncBrand.fullName.label; server">
+<!ENTITY serverType.default.label      "Default: &syncBrand.fullName.label; server">
 <!ENTITY serverType.custom2.label   "Use a custom server…">
 <!ENTITY signIn.account2.label      "Account">
 <!ENTITY signIn.account2.accesskey  "A">
diff --git a/application/basilisk/locales/en-US/chrome/browser/translation.dtd b/application/basilisk/locales/en-US/chrome/browser/translation.dtd
deleted file mode 100644
index ca8bb9d51..000000000
--- a/application/basilisk/locales/en-US/chrome/browser/translation.dtd
+++ /dev/null
@@ -1,75 +0,0 @@
-<!-- This Source Code Form is subject to the terms of the Mozilla Public
-   - License, v. 2.0. If a copy of the MPL was not distributed with this
-   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
-
-<!-- LOCALIZATION NOTE (translation.thisPageIsIn.label,
-  -                     translation.translateThisPage.label):
-  -  These 2 strings are used to construct a sentence that contains a dropdown
-  -  showing the detected language of the current web page.
-  -  In en-US it looks like this:
-  -    This page is in [detected language] Translate this page?
-  -  "detected language" here is a language name coming from the
-  -  global/languageNames.properties file; for some locales it may not be in
-  -  the correct grammar case to keep the same structure of the original
-  -  sentence. -->
-<!ENTITY translation.thisPageIsIn.label         "This page is in">
-<!ENTITY translation.translateThisPage.label    "Translate this page?">
-<!ENTITY translation.translate.button           "Translate">
-<!ENTITY translation.notNow.button              "Not Now">
-
-<!ENTITY translation.translatingContent.label   "Translating page content…">
-
-<!-- LOCALIZATION NOTE (translation.translatedFrom.label,
-  -                     translation.translatedTo.label,
-  -                     translation.translatedToSuffix.label):
-  -  These 3 strings are used to construct a sentence that contains 2 dropdowns
-  -  showing the source and target language of a translated web page.
-  -  In en-US it looks like this:
-  -    This page has been translated from [from language] to [to language]
-  -  "from language" and "to language" here are language names coming from the
-  -  global/languageNames.properties file; for some locales they may not be in
-  -  the correct grammar case to keep the same structure of the original
-  -  sentence.
-  -
-  -  translation.translatedToSuffix.label (empty in en-US) is for locales that
-  -  need to display some text after the second drop down for the sentence to
-  -  be grammatically correct. -->
-<!ENTITY translation.translatedFrom.label       "This page has been translated from">
-<!ENTITY translation.translatedTo.label         "to">
-<!ENTITY translation.translatedToSuffix.label   "">
-
-<!ENTITY translation.showOriginal.button        "Show Original">
-<!ENTITY translation.showTranslation.button     "Show Translation">
-
-<!ENTITY translation.errorTranslating.label     "There has been an error translating this page.">
-<!ENTITY translation.tryAgain.button            "Try Again">
-
-<!ENTITY translation.serviceUnavailable.label   "Translation is not available at the moment. Please try again later.">
-
-<!ENTITY translation.options.menu               "Options">
-<!-- LOCALIZATION NOTE (translation.options.neverForSite.accesskey,
-  -                     translation.options.preferences.accesskey):
-  -  The accesskey values used here should not clash with the value used for
-  -  translation.options.neverForLanguage.accesskey in translation.properties
-  -->
-<!ENTITY translation.options.neverForSite.label "Never translate this site">
-<!ENTITY translation.options.neverForSite.accesskey "e">
-<!ENTITY translation.options.preferences.label  "Translation preferences">
-<!ENTITY translation.options.preferences.accesskey "T">
-
-<!-- LOCALIZATION NOTE (translation.options.attribution.beforeLogo,
-  -                     translation.options.attribution.afterLogo):
-  -  These 2 strings are displayed before and after a 'Microsoft Translator'
-  -  logo.
-  -->
-<!ENTITY translation.options.attribution.beforeLogo "Translations by">
-<!ENTITY translation.options.attribution.afterLogo "">
-
-<!-- LOCALIZATION NOTE (translation.options.attribution.poweredByYandex,
-                        translation.options.attribution.beforeLogo,
-  -                     translation.options.attribution.afterLogo):
-  -  translation.options.attribution.poweredByYandex is displayed instead of
-  -  the other two strings when yandex translation engine is preferred by the
-  -  user.
-  -->
-<!ENTITY translation.options.attribution.yandexTranslate "Powered by Yandex.Translate">
diff --git a/application/basilisk/locales/en-US/chrome/browser/translation.properties b/application/basilisk/locales/en-US/chrome/browser/translation.properties
deleted file mode 100644
index e62edbd0a..000000000
--- a/application/basilisk/locales/en-US/chrome/browser/translation.properties
+++ /dev/null
@@ -1,12 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-# LOCALIZATION NOTE (translation.options.neverForLanguage.label):
-#  %S is a language name coming from the global/languageNames.properties file.
-translation.options.neverForLanguage.label=Never translate %S
-
-# LOCALIZATION NOTE (translation.options.neverForLanguage.accesskey):
-# The accesskey value used here should not clash with the values used for
-# translation.options.*.accesskey in translation.dtd
-translation.options.neverForLanguage.accesskey=N
diff --git a/application/basilisk/locales/en-US/installer/custom.properties b/application/basilisk/locales/en-US/installer/custom.properties
index 4abb1a550..0f86f5528 100644
--- a/application/basilisk/locales/en-US/installer/custom.properties
+++ b/application/basilisk/locales/en-US/installer/custom.properties
@@ -25,10 +25,6 @@ OPTIONS_PAGE_TITLE=Setup Type
 OPTIONS_PAGE_SUBTITLE=Choose setup options
 SHORTCUTS_PAGE_TITLE=Set Up Shortcuts
 SHORTCUTS_PAGE_SUBTITLE=Create Program Icons
-COMPONENTS_PAGE_TITLE=Set Up Optional Components
-COMPONENTS_PAGE_SUBTITLE=Optional Recommended Components
-OPTIONAL_COMPONENTS_DESC=The Maintenance Service will allow you to update $BrandShortName silently in the background.
-MAINTENANCE_SERVICE_CHECKBOX_DESC=Install &Maintenance Service
 SUMMARY_PAGE_TITLE=Summary
 SUMMARY_PAGE_SUBTITLE=Ready to start installing $BrandShortName
 SUMMARY_INSTALLED_TO=$BrandShortName will be installed to the following location:
diff --git a/application/basilisk/locales/en-US/installer/nsisstrings.properties b/application/basilisk/locales/en-US/installer/nsisstrings.properties
deleted file mode 100644
index 389405696..000000000
--- a/application/basilisk/locales/en-US/installer/nsisstrings.properties
+++ /dev/null
@@ -1,67 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-# LOCALIZATION NOTE:
-
-# This file must be saved as UTF8
-
-# Accesskeys are defined by prefixing the letter that is to be used for the
-# accesskey with an ampersand (e.g. &).
-
-# Do not replace $BrandShortName, $BrandFullName, or $BrandFullNameDA with a
-# custom string and always use the same one as used by the en-US files.
-# $BrandFullNameDA allows the string to contain an ampersand (e.g. DA stands
-# for double ampersand) and prevents the letter following the ampersand from
-# being used as an accesskey.
-
-# You can use \n to create a newline in the string but only when the string
-# from en-US contains a \n.
-
-WIN_CAPTION=$BrandShortName Setup
-
-INTRO_BLURB1=Thanks for choosing $BrandFullName, the browser that chooses you above everything else.
-INSTALL_BLURB1=You're about to enjoy the very latest in speed, flexibility and security so you're always in control.
-INSTALL_BLURB2=That's because $BrandShortName is made by a non-profit to make browsing and the Web better for you.
-INSTALL_BLURB3=You're also joining a global community of users, contributors and developers working to make the best browser in the world.
-
-WARN_MIN_SUPPORTED_OSVER_MSG=Sorry, $BrandShortName can't be installed. This version of $BrandShortName requires ${MinSupportedVer} or newer. Please click the OK button for additional information.
-WARN_MIN_SUPPORTED_CPU_MSG=Sorry, $BrandShortName can't be installed. This version of $BrandShortName requires a processor with ${MinSupportedCPU} support. Please click the OK button for additional information.
-WARN_MIN_SUPPORTED_OSVER_CPU_MSG=Sorry, $BrandShortName can't be installed. This version of $BrandShortName requires ${MinSupportedVer} or newer and a processor with ${MinSupportedCPU} support. Please click the OK button for additional information.
-WARN_WRITE_ACCESS=You don't have access to write to the installation directory.\n\nClick OK to select a different directory.
-WARN_DISK_SPACE=You don't have sufficient disk space to install to this location.\n\nClick OK to select a different location.
-WARN_ROOT_INSTALL=Unable to install to the root of your disk.\n\nClick OK to select a different location.
-WARN_MANUALLY_CLOSE_APP_LAUNCH=$BrandShortName is already running.\n\nPlease close $BrandShortName prior to launching the version you have just installed.
-
-ERROR_DOWNLOAD=Your download was interrupted.\n\nPlease click the OK button to continue.
-
-INSTALL_BUTTON=&Install
-UPGRADE_BUTTON=&Upgrade
-CANCEL_BUTTON=Cancel
-OPTIONS_BUTTON=&Options
-
-MAKE_DEFAULT=&Make $BrandShortName my default browser
-CREATE_SHORTCUTS=Create Shortcuts for $BrandShortName:
-ADD_SC_TASKBAR=On my &Task bar
-ADD_SC_QUICKLAUNCHBAR=On my &Quick Launch bar
-ADD_CheckboxShortcutInStartMenu=In my &Start Menu Programs Folder
-ADD_CheckboxShortcutOnDesktop=On my &Desktop
-SPACE_REQUIRED=Space Required:
-SPACE_AVAILABLE=Space Available:
-ONE_MOMENT_INSTALL=One moment, $BrandShortName will launch as soon as the install is complete…
-ONE_MOMENT_UPGRADE=One moment, $BrandShortName will launch as soon as the upgrade is complete…
-INSTALL_MAINT_SERVICE=&Install the $BrandShortName background update service
-SEND_PING=S&end information about this installation to Mozilla
-BROWSE_BUTTON=B&rowse…
-DEST_FOLDER=Destination Folder
-
-DOWNLOADING_LABEL=Downloading $BrandShortName…
-INSTALLING_LABEL=Installing $BrandShortName…
-UPGRADING_LABEL=Upgrading $BrandShortName…
-
-SELECT_FOLDER_TEXT=Select the folder to install $BrandShortName in.
-
-BYTE=B
-KILO=K
-MEGA=M
-GIGA=G
diff --git a/application/basilisk/locales/jar.mn b/application/basilisk/locales/jar.mn
index 9a847c7ed..1a9b7f315 100644
--- a/application/basilisk/locales/jar.mn
+++ b/application/basilisk/locales/jar.mn
@@ -11,7 +11,6 @@
     locale/browser/aboutDialog.dtd                 (%chrome/browser/aboutDialog.dtd)
     locale/browser/aboutPrivateBrowsing.dtd        (%chrome/browser/aboutPrivateBrowsing.dtd)
     locale/browser/aboutPrivateBrowsing.properties (%chrome/browser/aboutPrivateBrowsing.properties)
-    locale/browser/aboutRobots.dtd                 (%chrome/browser/aboutRobots.dtd)
     locale/browser/aboutHome.dtd                   (%chrome/browser/aboutHome.dtd)
     locale/browser/accounts.properties             (%chrome/browser/accounts.properties)
 #ifdef MOZ_SERVICES_HEALTHREPORT
@@ -42,8 +41,6 @@
     locale/browser/shellservice.properties         (%chrome/browser/shellservice.properties)
     locale/browser/tabbrowser.properties           (%chrome/browser/tabbrowser.properties)
     locale/browser/taskbar.properties              (%chrome/browser/taskbar.properties)
-    locale/browser/translation.dtd                 (%chrome/browser/translation.dtd)
-    locale/browser/translation.properties          (%chrome/browser/translation.properties)
     locale/browser/webrtcIndicator.properties      (%chrome/browser/webrtcIndicator.properties)
     locale/browser/downloads/downloads.dtd         (%chrome/browser/downloads/downloads.dtd)
     locale/browser/downloads/downloads.properties  (%chrome/browser/downloads/downloads.properties)
@@ -81,14 +78,11 @@
     locale/browser/preferences/permissions.dtd        (%chrome/browser/preferences/permissions.dtd)
     locale/browser/preferences/preferences.dtd        (%chrome/browser/preferences/preferences.dtd)
     locale/browser/preferences/preferences.properties (%chrome/browser/preferences/preferences.properties)
-    locale/browser/preferences/containers.properties  (%chrome/browser/preferences/containers.properties)
 *   locale/browser/preferences/privacy.dtd            (%chrome/browser/preferences/privacy.dtd)
     locale/browser/preferences/security.dtd           (%chrome/browser/preferences/security.dtd)
-    locale/browser/preferences/containers.dtd         (%chrome/browser/preferences/containers.dtd)
     locale/browser/preferences/sync.dtd               (%chrome/browser/preferences/sync.dtd)
     locale/browser/preferences/tabs.dtd               (%chrome/browser/preferences/tabs.dtd)
     locale/browser/preferences/search.dtd             (%chrome/browser/preferences/search.dtd)
-    locale/browser/preferences/translation.dtd        (%chrome/browser/preferences/translation.dtd)
     locale/browser/syncBrand.dtd                (%chrome/browser/syncBrand.dtd)
     locale/browser/syncSetup.dtd                (%chrome/browser/syncSetup.dtd)
     locale/browser/syncSetup.properties         (%chrome/browser/syncSetup.properties)
diff --git a/application/basilisk/modules/ContentClick.jsm b/application/basilisk/modules/ContentClick.jsm
index 40101d5d3..4cd665f8c 100644
--- a/application/basilisk/modules/ContentClick.jsm
+++ b/application/basilisk/modules/ContentClick.jsm
@@ -88,11 +88,6 @@ var ContentClick = {
       triggeringPrincipal: json.triggeringPrincipal,
     };
 
-    // The new tab/window must use the same userContextId.
-    if (json.originAttributes.userContextId) {
-      params.userContextId = json.originAttributes.userContextId;
-    }
-
     window.openLinkIn(json.href, where, params);
   }
 };
diff --git a/application/basilisk/modules/ProcessHangMonitor.jsm b/application/basilisk/modules/ProcessHangMonitor.jsm
index e048f5b40..b1f6f2a97 100644
--- a/application/basilisk/modules/ProcessHangMonitor.jsm
+++ b/application/basilisk/modules/ProcessHangMonitor.jsm
@@ -316,7 +316,7 @@ var ProcessHangMonitor = {
 
     nb.appendNotification(bundle.getString("processHang.label"),
                           "process-hang",
-                          "chrome://browser/content/aboutRobots-icon.png",
+                          "chrome://browser/skin/slowStartup-16.png",
                           nb.PRIORITY_WARNING_HIGH, buttons);
   },
 
diff --git a/application/basilisk/modules/WindowsPreviewPerTab.jsm b/application/basilisk/modules/WindowsPreviewPerTab.jsm
index 6586b5d3b..81c2f229f 100644
--- a/application/basilisk/modules/WindowsPreviewPerTab.jsm
+++ b/application/basilisk/modules/WindowsPreviewPerTab.jsm
@@ -597,6 +597,7 @@ TabWindow.prototype = {
     "file", "chrome", "resource", "about"
   ]),
   onLinkIconAvailable: function (aBrowser, aIconURL) {
+    let self = this;
     let requestURL = null;
     if (aIconURL) {
       let shouldRequestFaviconURL = true;
@@ -613,15 +614,15 @@ TabWindow.prototype = {
     let isDefaultFavicon = !requestURL;
     getFaviconAsImage(
       requestURL,
-      PrivateBrowsingUtils.isWindowPrivate(this.win),
+      PrivateBrowsingUtils.isWindowPrivate(self.win),
       img => {
-        let index = this.tabbrowser.browsers.indexOf(aBrowser);
+        let index = self.tabbrowser.browsers.indexOf(aBrowser);
         // Only add it if we've found the index and the URI is still the same.
         // The tab could have closed, and there's no guarantee the icons
         // will have finished fetching 'in order'.
         if (index != -1) {
-          let tab = this.tabbrowser.tabs[index];
-          let preview = this.previews.get(tab);
+          let tab = self.tabbrowser.tabs[index];
+          let preview = self.previews.get(tab);
           if (tab.getAttribute("image") == aIconURL ||
               (!preview.icon && isDefaultFavicon)) {
             preview.icon = img;
diff --git a/application/basilisk/themes/linux/browser.css b/application/basilisk/themes/linux/browser.css
index f9bd0bbd0..fbc5b651b 100644
--- a/application/basilisk/themes/linux/browser.css
+++ b/application/basilisk/themes/linux/browser.css
@@ -840,80 +840,6 @@ menuitem.bookmark-item {
   outline: 1px dotted -moz-DialogText;
 }
 
-/* Translation infobar */
-
-%include ../shared/translation/infobar.inc.css
-
-notification[value="translation"] {
-  min-height: 40px;
-}
-
-notification[value="translation"],
-notification[value="translation"] button,
-notification[value="translation"] menulist {
-  min-height: 30px;
-  color: #5A5959;
-}
-
-notification[value="translation"] {
-  background-color: #F2F1F0;
-}
-
-notification[value="translation"] button,
-notification[value="translation"] menulist {
-  padding-inline-end: 1ch;
-}
-
-notification[value="translation"] menulist {
-  border: 1px solid #C1C1C1;
-  background-color: #FFF;
-}
-
-notification[value="translation"] button {
-  border: 1px solid #C1C1C1;
-  background-color: #F2F1F0;
-}
-
-notification[value="translation"] button,
-notification[value="translation"] menulist,
-notification[value="translation"] menulist > .menulist-label-box {
-  margin-inline-start: 1ch;
-  margin-inline-end: 1ch;
-}
-
-notification[value="translation"] button:hover,
-notification[value="translation"] button:active,
-notification[value="translation"] menulist:hover,
-notification[value="translation"] menulist:active {
-  background-color: #E2E1E0;
-}
-
-notification[value="translation"] button[anonid="translate"] {
-  color: #FFF;
-  background-image: linear-gradient(#9FB938, #8DA726);
-  box-shadow: none;
-  border: 1px solid #829C1C;
-}
-
-notification[value="translation"] button[anonid="translate"]:hover,
-notification[value="translation"] button[anonid="translate"]:active {
-  background-image: linear-gradient(#8DA726, #8DA726);
-}
-
-notification[value="translation"] button > .button-box,
-notification[value="translation"] button[type="menu"] > .button-box > .button-menu-dropmarker {
-  padding: 0;
-  margin-inline-start: 3ch;
-}
-
-notification[value="translation"] button:not([type="menu"]) > .button-box {
-  margin-inline-end: 3ch;
-}
-
-notification[value="translation"] menulist > .menulist-dropmarker {
-  display: block;
-}
-
 /* AutoComplete */
 
 %include ../shared/autocomplete.inc.css
diff --git a/application/basilisk/themes/linux/preferences/preferences.css b/application/basilisk/themes/linux/preferences/preferences.css
index 45e2dc23d..5c1b102fa 100644
--- a/application/basilisk/themes/linux/preferences/preferences.css
+++ b/application/basilisk/themes/linux/preferences/preferences.css
@@ -20,12 +20,6 @@
   font-weight: bold;
 }
 
-/* Content Pane */
-#translationAttributionImage {
-  width: 70px;
-  cursor: pointer;
-}
-
 /* Modeless Window Dialogs */
 .windowDialog,
 .windowDialog prefpane {
diff --git a/application/basilisk/themes/osx/browser.css b/application/basilisk/themes/osx/browser.css
index 808bb20b1..70f1f6162 100644
--- a/application/basilisk/themes/osx/browser.css
+++ b/application/basilisk/themes/osx/browser.css
@@ -2920,139 +2920,6 @@ toolbarbutton.chevron > .toolbarbutton-menu-dropmarker {
               0 0 3px 2px -moz-mac-focusring;
 }
 
-/* Translation */
-
-%include ../shared/translation/infobar.inc.css
-
-notification[value="translation"] {
-  color: #484848;
-  background-color: #EFEFEF;
-  background-image: none;
-  border-top: none;
-  border-bottom: 1px solid #c4c4c4;
-  padding-top: 1px;
-  padding-bottom: 1px;
-  min-height: 35px;
-}
-
-.translate-infobar-element {
-  margin-top: 0 !important;
-  margin-bottom: 0 !important;
-}
-
-button.translate-infobar-element {
-  background: linear-gradient(rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.1)) repeat scroll 0% 0% padding-box transparent;
-  color: #333333;
-  border: 1px solid;
-  border-color: rgba(23, 51, 78, 0.15) rgba(23, 51, 78, 0.17) rgba(23, 51, 78, 0.2);
-  box-shadow: 0px 0px 2px rgba(255, 255, 255, 0.5) inset, 0px 1px 0px rgba(255, 255, 255, 0.2);
-  transition-property: background-color, border-color, box-shadow;
-  transition-duration: 150ms;
-  min-height: 22px;
-  min-width: 0;
-  padding: 0 0.8em !important;
-  margin-left: 0.25em;
-  margin-right: 0.25em;
-}
-
-button.translate-infobar-element .button-text {
-  margin-left: 0 !important;
-  margin-right: 0 !important;
-}
-
-label.translate-infobar-element {
-  padding-top: 2px;
-}
-
-button.translate-infobar-element:hover {
-  background: #f0f0f0;
-  box-shadow: 0 1px 0 hsla(0,0%,100%,.1) inset,  0 0 0 1px hsla(0,0%,100%,.05) inset,  0 1px 0 hsla(210,54%,20%,.01),  0 0 4px hsla(206,100%,20%,.1);
-}
-
-button.translate-infobar-element:active {
-  box-shadow: 0 1px 1px hsla(211,79%,6%,.1) inset,  0 0 1px hsla(211,79%,6%,.2) inset;
-  transition-duration: 0ms;
-}
-
-button.translate-infobar-element[anonid="translate"] {
-  color: #ffffff;
-  background: linear-gradient(#4cb1ff, #1793e5);
-  box-shadow: 0 1px 0 hsla(0,0%,100%,.2) inset,  0 0 0 1px hsla(0,0%,100%,.1) inset,  0 1px 0 hsla(210,54%,20%,.03);
-  border-color: hsla(210,54%,20%,.15) hsla(210,54%,20%,.17) hsla(210,54%,20%,.2);
-  padding: 0 1.1em  !important;;
-}
-
-button.translate-infobar-element[anonid="translate"]:hover {
-  background-image: linear-gradient(#66bdff, #0d9eff);
-  box-shadow: 0 1px 0 hsla(0,0%,100%,.2) inset,  0 0 0 1px hsla(0,0%,100%,.1) inset,  0 1px 0 hsla(210,54%,20%,.03),  0 0 4px hsla(206,100%,20%,.2);
-}
-
-button.translate-infobar-element.options-menu-button {
-  padding-inline-start: 0.5em !important;
-  padding-inline-end: 0em !important;
-}
-
-button.translate-infobar-element.options-menu-button > .button-box > .button-menu-dropmarker {
-  display: -moz-box;
-  list-style-image: url("chrome://global/skin/icons/glyph-dropdown.png");
-  padding: 0 !important;
-  margin: 0 !important;
-}
-
-@media (min-resolution: 2dppx) {
-  button.translate-infobar-element.options-menu-button > .button-box > .button-menu-dropmarker {
-    list-style-image: url("chrome://global/skin/icons/glyph-dropdown@2x.png");
-  }
-
-  button.translate-infobar-element.options-menu-button > .button-box > .button-menu-dropmarker > .dropmarker-icon {
-    width: 8px;
-  }
-}
-
-menulist.translate-infobar-element {
-  text-shadow: 0 1px 1px #FEFFFE;
-  border: 1px solid;
-  border-color: rgba(23, 51, 78, 0.15) rgba(23, 51, 78, 0.17) rgba(23, 51, 78, 0.2);
-  box-shadow: 0 1px 1px 0 #FFFFFF, inset 0 2px 2px 0 #FFFFFF;
-  background-color: #F1F1F1;
-  background-image: linear-gradient(#FFFFFF, rgba(255,255,255,0.1));
-  color: #333333;
-  padding: 0;
-  min-height: 22px !important;
-}
-
-menulist.translate-infobar-element > .menulist-label-box {
-  padding-top: 1px;
-  padding-inline-start: 0.3em;
-  margin-top: 0;
-  margin-bottom: 0;
-}
-
-menulist.translate-infobar-element:hover {
-  background: #f0f0f0;
-  box-shadow: 0 1px 0 hsla(0,0%,100%,.1) inset,  0 0 0 1px hsla(0,0%,100%,.05) inset,  0 1px 0 hsla(210,54%,20%,.01),  0 0 4px hsla(206,100%,20%,.1);
-}
-
-menulist.translate-infobar-element[open="true"] {
-  background-image: linear-gradient(rgba(255,255,255,0.1),
-                                    rgba(255,255,255,0.6));
-}
-
-menulist.translate-infobar-element > .menulist-dropmarker {
-  display: -moz-box;
-  list-style-image: url("chrome://global/skin/icons/glyph-dropdown.png");
-}
-
-@media (min-resolution: 2dppx) {
-  menulist.translate-infobar-element > .menulist-dropmarker {
-    list-style-image: url("chrome://global/skin/icons/glyph-dropdown@2x.png");
-  }
-
-  menulist.translate-infobar-element > .menulist-dropmarker > .dropmarker-icon {
-    width: 8px;
-  }
-}
-
 .popup-notification-body[popupid="addon-progress"],
 .popup-notification-body[popupid="addon-install-confirmation"] {
   width: 28em;
diff --git a/application/basilisk/themes/osx/preferences/preferences.css b/application/basilisk/themes/osx/preferences/preferences.css
index 4f17ec58d..a8dcadc55 100644
--- a/application/basilisk/themes/osx/preferences/preferences.css
+++ b/application/basilisk/themes/osx/preferences/preferences.css
@@ -49,11 +49,6 @@ caption {
   border-bottom: 1px solid #ccc;
 }
 
-#translationAttributionImage {
-  width: 70px;
-  cursor: pointer;
-}
-
 #browserUseCurrent,
 #browserUseBookmark,
 #browserUseBlank {
diff --git a/application/basilisk/themes/shared/incontentprefs/containers.css b/application/basilisk/themes/shared/incontentprefs/containers.css
deleted file mode 100644
index 5446dccce..000000000
--- a/application/basilisk/themes/shared/incontentprefs/containers.css
+++ /dev/null
@@ -1,32 +0,0 @@
-/* Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-%include ../../../components/contextualidentity/content/usercontext.css
-
-.container-header-links {
-  margin-block-end: 15px;
-}
-
-[data-identity-icon] {
-  margin: 0;
-  margin-inline-end: 16px;
-}
-
-#containersView {
-  border: 0 none;
-  background: transparent;
-}
-
-#containersView richlistitem {
-  margin: 0px;
-  margin-inline-end: 8px;
-  padding: 0;
-  padding-block-end: 8px;
-  border-block-end: 1px solid var(--in-content-header-border-color);
-}
-
-#containersView richlistitem:last-of-type {
-  border-block-end: 0 none;
-  margin-block-end: 8px;
-}
diff --git a/application/basilisk/themes/shared/incontentprefs/preferences.inc.css b/application/basilisk/themes/shared/incontentprefs/preferences.inc.css
index 0e62660de..20ea98327 100644
--- a/application/basilisk/themes/shared/incontentprefs/preferences.inc.css
+++ b/application/basilisk/themes/shared/incontentprefs/preferences.inc.css
@@ -237,8 +237,7 @@ treecol {
 /* Privacy pane */
 
 #trackingProtectionPBMLearnMore,
-#trackingProtectionLearnMore,
-#browserContainersLearnMore {
+#trackingProtectionLearnMore {
   margin-inline-start: 1.5em !important;
   margin-top: 0;
   font-weight: normal;
diff --git a/application/basilisk/themes/shared/jar.inc.mn b/application/basilisk/themes/shared/jar.inc.mn
index 588cf5364..5750d2dc5 100644
--- a/application/basilisk/themes/shared/jar.inc.mn
+++ b/application/basilisk/themes/shared/jar.inc.mn
@@ -73,8 +73,6 @@
   skin/classic/browser/preferences/in-content/favicon.ico      (../shared/incontentprefs/favicon.ico)
   skin/classic/browser/preferences/in-content/icons.svg        (../shared/incontentprefs/icons.svg)
   skin/classic/browser/preferences/in-content/search.css       (../shared/incontentprefs/search.css)
-* skin/classic/browser/preferences/in-content/containers.css   (../shared/incontentprefs/containers.css)
-* skin/classic/browser/preferences/containers.css              (../shared/preferences/containers.css)
   skin/classic/browser/fxa/default-avatar.svg                  (../shared/fxa/default-avatar.svg)
   skin/classic/browser/fxa/logo.png                            (../shared/fxa/logo.png)
   skin/classic/browser/fxa/logo@2x.png                         (../shared/fxa/logo@2x.png)
@@ -108,10 +106,6 @@
   skin/classic/browser/theme-switcher-icon.png                 (../shared/theme-switcher-icon.png)
   skin/classic/browser/theme-switcher-icon@2x.png              (../shared/theme-switcher-icon@2x.png)
   skin/classic/browser/toolbarbutton-dropdown-arrow.png        (../shared/toolbarbutton-dropdown-arrow.png)
-  skin/classic/browser/translating-16.png                      (../shared/translation/translating-16.png)
-  skin/classic/browser/translating-16@2x.png                   (../shared/translation/translating-16@2x.png)
-  skin/classic/browser/translation-16.png                      (../shared/translation/translation-16.png)
-  skin/classic/browser/translation-16@2x.png                   (../shared/translation/translation-16@2x.png)
   skin/classic/browser/undoCloseTab.png                        (../shared/undoCloseTab.png)
   skin/classic/browser/undoCloseTab@2x.png                     (../shared/undoCloseTab@2x.png)
   skin/classic/browser/update-badge.svg                        (../shared/update-badge.svg)
diff --git a/application/basilisk/themes/shared/notification-icons.inc.css b/application/basilisk/themes/shared/notification-icons.inc.css
index f641e72c1..99451ba98 100644
--- a/application/basilisk/themes/shared/notification-icons.inc.css
+++ b/application/basilisk/themes/shared/notification-icons.inc.css
@@ -266,27 +266,3 @@ html|*#webRTC-previewVideo {
     opacity: 1;
   }
 }
-
-/* TRANSLATION */
-
-.translation-icon {
-  list-style-image: url(chrome://browser/skin/translation-16.png);
-  -moz-image-region: rect(0px, 16px, 16px, 0px);
-}
-
-.translation-icon.in-use {
-  -moz-image-region: rect(0px, 32px, 16px, 16px);
-}
-
-%ifdef XP_MACOSX
-@media (min-resolution: 1.1dppx) {
-  .translation-icon {
-    list-style-image: url(chrome://browser/skin/translation-16@2x.png);
-    -moz-image-region: rect(0px, 32px, 32px, 0px);
-  }
-
-  .translation-icon.in-use {
-    -moz-image-region: rect(0px, 64px, 32px, 32px);
-  }
-}
-%endif
diff --git a/application/basilisk/themes/shared/preferences/containers.css b/application/basilisk/themes/shared/preferences/containers.css
deleted file mode 100644
index 3fb965331..000000000
--- a/application/basilisk/themes/shared/preferences/containers.css
+++ /dev/null
@@ -1,53 +0,0 @@
-/* Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-%include ../../../components/contextualidentity/content/usercontext.css
-
-:root {
-  --preference-selected-color: #0996f8;
-  --preference-unselected-color: #333;
-  --preference-active-color: #858585;
-}
-
-radiogroup {
-  display: flex;
-  margin-inline-start: 0.35rem;
-}
-
-radio {
-  flex: auto;
-  display: flex;
-  align-items: center;
-  justify-content: center;
-  -moz-user-select: none;
-  outline: 2px solid transparent;
-  outline-offset: 4px;
-  -moz-outline-radius: 100%;
-  min-block-size: 24px;
-  min-inline-size: 24px;
-  border-radius: 50%;
-  padding: 2px;
-  margin: 10px;
-}
-
-.icon-buttons > radio > [data-identity-icon] {
-  fill: #4d4d4d;
-}
-
-radio > [data-identity-icon] {
-  inline-size: 22px;
-  block-size: 22px;
-}
-
-radio[selected=true] {
-  outline-color: var(--preference-unselected-color);
-}
-
-radio[focused=true] {
-  outline-color: var(--preference-selected-color);
-}
-
-radio:hover:active {
-  outline-color: var(--preference-active-color);
-}
diff --git a/application/basilisk/themes/shared/translation/infobar.inc.css b/application/basilisk/themes/shared/translation/infobar.inc.css
deleted file mode 100644
index 50d1acc01..000000000
--- a/application/basilisk/themes/shared/translation/infobar.inc.css
+++ /dev/null
@@ -1,95 +0,0 @@
-%if 0
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-%endif
-notification[value="translation"] .messageImage {
-  list-style-image: url(chrome://browser/skin/translation-16.png);
-  -moz-image-region: rect(0, 32px, 16px, 16px);
-}
-
-@media (min-resolution: 1.25dppx) {
-  notification[value="translation"] .messageImage {
-    list-style-image: url(chrome://browser/skin/translation-16@2x.png);
-    -moz-image-region: rect(0, 64px, 32px, 32px);
-  }
-}
-
-notification[value="translation"][state="translating"] .messageImage {
-  list-style-image: url(chrome://browser/skin/translating-16.png);
-  -moz-image-region: auto;
-}
-
-@media (min-resolution: 1.25dppx) {
-  notification[value="translation"][state="translating"] .messageImage {
-    list-style-image: url(chrome://browser/skin/translating-16@2x.png);
-  }
-}
-
-notification[value="translation"] hbox[anonid="details"] {
-  overflow: hidden;
-}
-
-notification[value="translation"] button,
-notification[value="translation"] menulist {
-  -moz-appearance: none;
-  border-width: 1px;
-  -moz-border-top-colors: none;
-  -moz-border-right-colors: none;
-  -moz-border-bottom-colors: none;
-  -moz-border-left-colors: none;
-  border-radius: 2px;
-  min-width: 0;
-  box-shadow: 0 1px rgba(255, 255, 255, 0.5), 0 1px rgba(255, 255, 255, 0.5) inset;
-}
-
-notification[value="translation"] menulist > .menulist-dropmarker {
-  -moz-appearance: toolbarbutton-dropdown;
-  border: none;
-  background-color: transparent;
-  margin: auto;
-  padding: 5px 0;
-}
-
-.translation-menupopup arrowscrollbox {
-  padding-bottom: 0;
-}
-
-.translation-attribution {
-  cursor: pointer;
-  -moz-box-align: end;
-  font-size: small;
-}
-
-.translation-attribution > label {
-  margin-bottom: 0;
-}
-
-.translation-attribution > image {
-  width: 70px;
-}
-
-.translation-welcome-panel {
-  width: 305px;
-}
-
-.translation-welcome-logo {
-  height: 32px;
-  width: 32px;
-  list-style-image: url(chrome://browser/skin/translation-16@2x.png);
-  -moz-image-region: rect(0, 64px, 32px, 32px);
-}
-
-.translation-welcome-content {
-  margin-inline-start: 16px;
-}
-
-.translation-welcome-headline {
-  font-size: larger;
-  font-weight: bold;
-}
-
-.translation-welcome-body {
-  padding: 1em 0;
-  margin: 0 0;
-}
diff --git a/application/basilisk/themes/shared/translation/translating-16.png b/application/basilisk/themes/shared/translation/translating-16.png
deleted file mode 100644
index 71ca37c22..000000000
--- a/application/basilisk/themes/shared/translation/translating-16.png
+++ /dev/null
diff --git a/application/basilisk/themes/shared/translation/translating-16@2x.png b/application/basilisk/themes/shared/translation/translating-16@2x.png
deleted file mode 100644
index ab6184047..000000000
--- a/application/basilisk/themes/shared/translation/translating-16@2x.png
+++ /dev/null
diff --git a/application/basilisk/themes/shared/translation/translation-16.png b/application/basilisk/themes/shared/translation/translation-16.png
deleted file mode 100644
index 4b42dedcf..000000000
--- a/application/basilisk/themes/shared/translation/translation-16.png
+++ /dev/null
diff --git a/application/basilisk/themes/shared/translation/translation-16@2x.png b/application/basilisk/themes/shared/translation/translation-16@2x.png
deleted file mode 100644
index 2105a3e4a..000000000
--- a/application/basilisk/themes/shared/translation/translation-16@2x.png
+++ /dev/null
diff --git a/application/basilisk/themes/windows/browser.css b/application/basilisk/themes/windows/browser.css
index 2ed3e7e6a..334265e60 100644
--- a/application/basilisk/themes/windows/browser.css
+++ b/application/basilisk/themes/windows/browser.css
@@ -2113,87 +2113,6 @@ toolbarbutton.bookmark-item[dragover="true"][open="true"] {
   outline: 1px dotted -moz-DialogText;
 }
 
-/* Translation infobar */
-
-%include ../shared/translation/infobar.inc.css
-
-notification[value="translation"] {
-  min-height: 40px;
-}
-
-@media (-moz-windows-default-theme) {
-  notification[value="translation"],
-  notification[value="translation"] button,
-  notification[value="translation"] menulist {
-    min-height: 30px;
-    color: #545454;
-  }
-
-  notification[value="translation"] {
-    background-color: #EEE;
-  }
-
-  notification[value="translation"] button,
-  notification[value="translation"] menulist {
-    padding-inline-end: 1ch;
-  }
-
-  notification[value="translation"] menulist {
-    border: 1px solid #C1C1C1;
-    background-color: #FFF;
-  }
-
-  notification[value="translation"] button {
-    border: 1px solid #C1C1C1;
-    background-color: #FBFBFB;
-  }
-
-  notification[value="translation"] button,
-  notification[value="translation"] menulist,
-  notification[value="translation"] menulist > .menulist-label-box {
-    margin-inline-start: 1ch;
-    margin-inline-end: 1ch;
-  }
-
-  notification[value="translation"] button:hover,
-  notification[value="translation"] button:active,
-  notification[value="translation"] menulist:hover,
-  notification[value="translation"] menulist:active {
-    background-color: #EBEBEB;
-  }
-
-  notification[value="translation"] button[anonid="translate"] {
-    color: #FFF;
-    background-color: #0095DD;
-    box-shadow: none;
-    border: 1px solid #006B9D;
-  }
-
-  notification[value="translation"] button[anonid="translate"]:hover,
-  notification[value="translation"] button[anonid="translate"]:active {
-    background-color: #008ACB;
-  }
-
-  notification[value="translation"] button[type="menu"] > .button-box > .button-menu-dropmarker,
-  notification[value="translation"] menulist > .menulist-dropmarker {
-    list-style-image: url("chrome://browser/skin/toolbarbutton-dropdown-arrow.png");
-  }
-
-  notification[value="translation"] button > .button-box,
-  notification[value="translation"] button[type="menu"] > .button-box > .button-menu-dropmarker {
-    padding: 0;
-    margin-inline-start: 3ch;
-  }
-
-  notification[value="translation"] button:not([type="menu"]) > .button-box {
-    margin-inline-end: 3ch;
-  }
-}
-
-.translation-menupopup {
-  -moz-appearance: none;
-}
-
 /* Bookmarks roots menu-items */
 #subscribeToPageMenuitem:not([disabled]),
 #subscribeToPageMenupopup {
diff --git a/application/basilisk/themes/windows/preferences/preferences.css b/application/basilisk/themes/windows/preferences/preferences.css
index bd1ec3083..c6c063b53 100644
--- a/application/basilisk/themes/windows/preferences/preferences.css
+++ b/application/basilisk/themes/windows/preferences/preferences.css
@@ -15,13 +15,6 @@
 #isNotDefaultLabel {
   font-weight: bold;
 }
-
-/* Content Pane */
-#translationAttributionImage {
-  width: 70px;
-  cursor: pointer;
-}
-
 /* Modeless Window Dialogs */
 .windowDialog,
 .windowDialog prefpane {
diff --git a/application/palemoon/app/blocklist.xml b/application/palemoon/app/blocklist.xml
index 296b8ad24..fa594aabe 100644
--- a/application/palemoon/app/blocklist.xml
+++ b/application/palemoon/app/blocklist.xml
@@ -1,5 +1,5 @@
 <?xml version='1.0' encoding='utf-8'?>
-<blocklist lastupdate="1521130300000"
+<blocklist lastupdate="1554898538000"
 xmlns="http://www.mozilla.org/2006/addons-blocklist">
   <emItems>
     <emItem blockID="i545" id="superlrcs@svenyor.net">
@@ -2513,7 +2513,22 @@ xmlns="http://www.mozilla.org/2006/addons-blocklist">
       <versionRange minVersion="0" maxVersion="52.4.2" severity="3">
       </versionRange>
       <prefs></prefs>
-    </emItem>   
+    </emItem>
+    <emItem blockID="pm112" id="{73a6fe31-595d-460b-a920-fcc0f8843232}">
+      <versionRange minVersion="0" maxVersion="*" severity="1">
+      </versionRange>
+      <prefs></prefs>
+    </emItem>
+    <emItem blockID="pm113" id="addonsmanagerfix@sonco.com">
+      <versionRange minVersion="0" maxVersion="*" severity="3">
+      </versionRange>
+      <prefs></prefs>
+    </emItem>
+    <emItem blockID="pm114" id="jid1-KKzOGWgsW3Ao4Q@jetpack">
+      <versionRange minVersion="2.9.9" maxVersion="2.9.9" severity="3">
+      </versionRange>
+      <prefs></prefs>
+    </emItem>
   </emItems>
   <pluginItems>
     <pluginItem blockID="p26">
diff --git a/application/palemoon/app/moz.build b/application/palemoon/app/moz.build
index 8b358b622..c11f4c37e 100644
--- a/application/palemoon/app/moz.build
+++ b/application/palemoon/app/moz.build
@@ -6,7 +6,6 @@
 
 DIRS += ['profile/extensions']
 
-
 GeckoProgram(CONFIG['MOZ_APP_NAME'])
 
 JS_PREFERENCE_PP_FILES += [
@@ -18,18 +17,14 @@ if CONFIG['LIBXUL_SDK']:
         'profile/channel-prefs.js',
     ]
 
-SOURCES += [
-    'nsBrowserApp.cpp',
-]
+SOURCES += ['nsBrowserApp.cpp']
 
 FINAL_TARGET_FILES += ['blocklist.xml']
 FINAL_TARGET_FILES.defaults.profile += ['profile/prefs.js']
 
 DEFINES['APP_VERSION'] = CONFIG['MOZ_APP_VERSION']
 
-LOCAL_INCLUDES += [
-    '!/build',
-]
+LOCAL_INCLUDES += ['!/build']
 
 LOCAL_INCLUDES += [
     '/toolkit/xre',
@@ -37,9 +32,7 @@ LOCAL_INCLUDES += [
     '/xpcom/build',
 ]
 
-USE_LIBS += [
-    'mozglue',
-]
+USE_LIBS += ['mozglue']
 
 if CONFIG['_MSC_VER']:
     # Always enter a Windows program through wmain, whether or not we're
diff --git a/application/palemoon/app/profile/palemoon.js b/application/palemoon/app/profile/palemoon.js
index 15accd146..bd1b62cc3 100644
--- a/application/palemoon/app/profile/palemoon.js
+++ b/application/palemoon/app/profile/palemoon.js
@@ -37,20 +37,20 @@ pref("extensions.strictCompatibility", false);
 // for it to be compatible by default.
 pref("extensions.minCompatibleAppVersion", "1.5");
 
-// Preferences for APO integration
-#define APO_AM_URL addons.palemoon.org/integration/addon-manager
-#define APO_AUS_ARGS reqVersion=%REQ_VERSION%&id=%ITEM_ID%&version=%ITEM_VERSION%&maxAppVersion=%ITEM_MAXAPPVERSION%&status=%ITEM_STATUS%&appID=%APP_ID%&appVersion=%APP_VERSION%&appOS=%APP_OS%&appABI=%APP_ABI%&locale=%APP_LOCALE%&currentAppVersion=%CURRENT_APP_VERSION%&updateType=%UPDATE_TYPE%&compatMode=%COMPATIBILITY_MODE%
+#define AM_DOMAIN addons.palemoon.org
+#define AM_AUS_ARGS reqVersion=%REQ_VERSION%&id=%ITEM_ID%&version=%ITEM_VERSION%&maxAppVersion=%ITEM_MAXAPPVERSION%&status=%ITEM_STATUS%&appID=%APP_ID%&appVersion=%APP_VERSION%&appOS=%APP_OS%&appABI=%APP_ABI%&locale=%APP_LOCALE%&currentAppVersion=%CURRENT_APP_VERSION%&updateType=%UPDATE_TYPE%&compatMode=%COMPATIBILITY_MODE%
 
+// Preferences for AMO integration
 pref("extensions.getAddons.cache.enabled", false);
 pref("extensions.getAddons.maxResults", 10);
-pref("extensions.getAddons.get.url", "https://@APO_AM_URL@/internal/get?addonguid=%IDS%&os=%OS%&version=%VERSION%");
-pref("extensions.getAddons.getWithPerformance.url", "https://@APO_AM_URL@/internal/get?addonguid=%IDS%&os=%OS%&version=%VERSION%");
-pref("extensions.getAddons.search.browseURL", "https://@APO_AM_URL@/external/recommended");
-pref("extensions.getAddons.search.url", "https://@APO_AM_URL@/internal/search?q=%TERMS%&locale=%LOCALE%&os=%OS%&version=%VERSION%");
-pref("extensions.webservice.discoverURL", "http://@APO_AM_URL@/internal/discover/");
-pref("extensions.getAddons.recommended.url", "https://@APO_AM_URL@/internal/recommended?locale=%LOCALE%&os=%OS%");
-pref("extensions.getAddons.browseAddons", "https://addons.palemoon.org");
-pref("extensions.getAddons.recommended.browseURL", "https://@APO_AM_URL@/external/recommended");
+pref("extensions.getAddons.get.url", "https://@AM_DOMAIN@/?component=integration&type=internal&request=get&addonguid=%IDS%&os=%OS%&version=%VERSION%");
+pref("extensions.getAddons.getWithPerformance.url", "https://@AM_DOMAIN@/?component=integration&type=internal&request=get&addonguid=%IDS%&os=%OS%&version=%VERSION%");
+pref("extensions.getAddons.search.browseURL", "https://@AM_DOMAIN@/search/?terms=%TERMS%");
+pref("extensions.getAddons.search.url", "https://@AM_DOMAIN@/?component=integration&type=internal&request=search&q=%TERMS%&locale=%LOCALE%&os=%OS%&version=%VERSION%");
+pref("extensions.webservice.discoverURL", "http://@AM_DOMAIN@/?component=discover");
+pref("extensions.getAddons.recommended.url", "https://@AM_DOMAIN@/?component=integration&type=internal&request=recommended&locale=%LOCALE%&os=%OS%");
+pref("extensions.getAddons.browseAddons", "http://@AM_DOMAIN@/");
+pref("extensions.getAddons.recommended.browseURL", "https://@AM_DOMAIN@/?component=integration&type=external&request=recommended");
 
 // Blocklist preferences
 pref("extensions.blocklist.enabled", true);
@@ -70,10 +70,10 @@ pref("extensions.update.autoUpdateDefault", true);
 pref("extensions.autoDisableScopes", 15);
 
 // Dictionary download preference
-pref("browser.dictionaries.download.url", "https://addons.mozilla.org/%LOCALE%/firefox/dictionaries/");
+pref("browser.dictionaries.download.url", "https://@AM_DOMAIN@/dictionaries/");
 
 // Get More Tools link URL
-pref("browser.getdevtools.url","https://@APO_AM_URL@/external/devtools");
+pref("browser.getdevtools.url","https://@AM_DOMAIN@/?component=integration&type=external&request=devtools");
 
 // Feedback URL
 pref("browser.feedback.url", "https://forum.palemoon.org");
@@ -194,8 +194,8 @@ pref("app.update.incompatible.mode", 0);
 //  .. etc ..
 //
 pref("extensions.update.enabled", true);
-pref("extensions.update.url", "https://@APO_AM_URL@/internal/update?@APO_AUS_ARGS@");
-pref("extensions.update.background.url", "https://@APO_AM_URL@/internal/update?@APO_AUS_ARGS@");
+pref("extensions.update.url", "https://@AM_DOMAIN@/?component=aus&@AM_AUS_ARGS@");
+pref("extensions.update.background.url", "https://@AM_DOMAIN@/?component=aus&@AM_AUS_ARGS@");
 pref("extensions.update.interval", 86400);  // Check for updates to Extensions and 
                                             // Themes every day
 // Non-symmetric (not shared by extensions) extension-specific [update] preferences
@@ -229,10 +229,10 @@ pref("keyword.enabled", true);
 pref("general.useragent.locale", "@AB_CD@");
 pref("general.skins.selectedSkin", "classic/1.0");
 
-// Native UA mode by default
+// Native UA mode by default for unbranded
 pref("general.useragent.compatMode", 0);
-pref("general.useragent.compatmode.gecko", false);
-pref("general.useragent.compatmode.firefox", false);
+pref("general.useragent.compatMode.gecko", false);
+pref("general.useragent.compatMode.firefox", false);
 
 pref("general.smoothScroll", true);
 #ifdef UNIX_BUT_NOT_MAC
@@ -264,6 +264,9 @@ pref("browser.slowStartup.maxSamples", 5);
 pref("browser.enable_automatic_image_resizing", true);
 pref("browser.chrome.site_icons", true);
 pref("browser.chrome.favicons", true);
+// If enabled, will process favicons by drawing them on a canvas,
+// optimizing display size for the UI. This also strips animations.
+pref("browser.chrome.favicons.process", false);
 // browser.warnOnQuit == false will override all other possible prompts when quitting or restarting
 pref("browser.warnOnQuit", true);
 // browser.showQuitWarning specifically controls the quit warning dialog. We
@@ -359,7 +362,7 @@ pref("browser.download.panel.shown", false);
 pref("browser.download.panel.firstSessionCompleted", false);
 
 // search engines URL
-pref("browser.search.searchEnginesURL",      "https://@APO_AM_URL@/external/searchplugins");
+pref("browser.search.searchEnginesURL",      "https://@AM_DOMAIN@/?component=integration&type=external&request=searchplugins");
 
 // pointer to the default engine name
 pref("browser.search.defaultenginename",      "chrome://browser-region/locale/region.properties");
@@ -463,6 +466,10 @@ pref("browser.tabs.closeButtons", 1);
 // false  return to the adjacent tab (old default)
 pref("browser.tabs.selectOwnerOnClose", true);
 
+pref("browser.tabs.showAudioPlayingIcon", true);
+// This should match Chromium's audio indicator delay.
+pref("browser.tabs.delayHidingAudioPlayingIconMS", 3000);
+
 pref("browser.allTabs.previews", true);
 pref("browser.ctrlTab.previews", true);
 pref("browser.ctrlTab.recentlyUsedLimit", 7);
@@ -1065,6 +1072,8 @@ pref("prompts.tab_modal.focusSwitch", true);
 
 // Defines the url to be used for new tabs.
 pref("browser.newtab.url", "about:logopage");
+pref("browser.newtab.choice", 1);
+
 // Activates preloading of the new tab url.
 pref("browser.newtab.preload", false);
 
@@ -1074,11 +1083,12 @@ pref("browser.newtabpage.enabled", true);
 // XXX: Remove this when "enhanced" tiles are dead
 pref("browser.newtabpage.enhanced", false);
 
+// Disables capturing of page thumbnails
+pref("browser.pagethumbnails.capturing_disabled", false);
+
 // enables showing basic placeholders for missing thumbnails
 pref("browser.newtabpage.thumbnailPlaceholder", false);
 
-pref("privacy.usercontext.about_newtab_segregation.enabled", false);
-
 // number of columns of newtab grid
 pref("browser.newtabpage.columns", 4);
 
@@ -1109,6 +1119,9 @@ pref("security.csp.speccompliant", true);
 // Block insecure active content on https pages
 pref("security.mixed_content.block_active_content", true);
 
+// Disable Microsoft Family Safety MitM support
+pref("security.family_safety.mode", 0);
+
 // Override the Gecko-default value of false for Pale Moon.
 pref("plain_text.wrap_long_lines", true);
 
@@ -1148,18 +1161,13 @@ pref("toolkit.pageThumbs.minHeight", 180);
 pref("ui.key.menuAccessKeyFocuses", true);
 #endif
 
-// ****************** domain-specific UAs ******************
-
-// AMO needs "Firefox", obviously - pass on the OS (determined at build time)
-#ifdef XP_UNIX
-#ifdef XP_MACOSX
-pref("general.useragent.override.addons.mozilla.org","Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:27.0) Gecko/20100101 Firefox/27.0");
-#else
-pref("general.useragent.override.addons.mozilla.org","Mozilla/5.0 (Linux; X11; rv:27.0) Gecko/20100101 Firefox/27.0");
-#endif
-#else
-pref("general.useragent.override.addons.mozilla.org","Mozilla/5.0 (Windows NT 6.1; WOW64; rv:27.0) Gecko/20100101 Firefox/27.0");
-#endif
+// When a user cancels this number of authentication dialogs coming from
+// a single web page (eTLD+1) in a row, all following authentication dialogs
+// will be blocked (automatically canceled) for that page.
+// This counter is per-tab and per-domain to minimize false positives.
+// The counter resets when the page is reloaded from the UI
+// (content-reloads do NOT clear this to mitigate reloading tricks).
+pref("prompts.authentication_dialog_abuse_limit", 3);
 
 // ****************** s4e prefs ******************
 pref("status4evar.addonbar.borderStyle", false);
diff --git a/application/palemoon/base/content/aboutDialog.css b/application/palemoon/base/content/aboutDialog.css
index d171a0bc1..d96eba5a2 100644
--- a/application/palemoon/base/content/aboutDialog.css
+++ b/application/palemoon/base/content/aboutDialog.css
@@ -2,56 +2,53 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-#PMaboutDialog {
-  width: 620px;
+#aboutPMDialogContainer {
+  width: 700px;
+  height: 410px;
 }
 
-#PMrightBox {
-  background-image: url("chrome://branding/content/about-wordmark.png");
-  background-repeat: no-repeat;
-  /* padding-top creates room for the wordmark */
-  padding-top: 38px;
-  margin-top:20px;
+#aboutVersionBox {
+  font-family: Arial, helvetica;
+  height: 38 px;
 }
 
-#PMrightBox:-moz-locale-dir(rtl) {
-  background-position: 100% 0;
-}
-
-#PMbottomBox {
-  padding: 15px 10px 0;
-}
-
-#PMversion {
-  margin-top: 10px;
-  -moz-margin-start: 0;
+#aboutVersion {
+  text-align: center;
+  font-size: 18px;
+  font-weight: bold;
+  margin: 4px;
 }
 
 #distribution,
 #distributionId {
+  text-align: center;
+  font-size: 14px;
   font-weight: bold;
   display: none;
   margin-top: 0;
   margin-bottom: 0;
 }
 
-.text-blurb {
-  margin-bottom: 10px;
-  -moz-margin-start: 0;
-  -moz-padding-start: 0;
+#aboutTextBox {
+  font-family: Arial, helvetica;
+  font-size: 14px;
+  margin: 5px 20px;
+  padding: 4px 10px 0px;
+  border-radius: 3px;
+  color: black;
+  background-color: rgba(240, 240, 240, .6);
+}
+
+#aboutLinkBox {
+  font-family: Arial, helvetica;
 }
 
-#updateButton,
-#updateDeck > hbox > label {
-  -moz-margin-start: 0;
-  -moz-padding-start: 0;
+.text-credits {
+  margin: 5px 0px;
 }
 
-.update-throbber {
-  width: 16px;
-  min-height: 16px;
-  -moz-margin-end: 3px;
-  list-style-image: url("chrome://global/skin/icons/loading_16.png");
+.text-center {
+  text-align: center;
 }
 
 .text-link,
@@ -63,5 +60,15 @@
 .bottom-link,
 .bottom-link:focus {
   text-align: center;
+  text-decoration: none !important;
+  padding: 4px;
+  border-radius: 3px;
+  color: #244C8A;
+  background-color: rgba(240, 240, 240, .7);
   margin: 0 40px;
+  transition: background-color 0.5s ease-out;
+}
+
+.bottom-link:hover {
+  background-color: rgba(240, 240, 255, .95);
 }
diff --git a/application/palemoon/base/content/aboutDialog.js b/application/palemoon/base/content/aboutDialog.js
index f4c2a990c..e4e18f2cf 100644
--- a/application/palemoon/base/content/aboutDialog.js
+++ b/application/palemoon/base/content/aboutDialog.js
@@ -42,13 +42,9 @@ function init(aEvent)
   if (/[ab]\d+$/.test(version)) {
     let buildID = Services.appinfo.appBuildID;
     let buildDate = buildID.slice(0,4) + "-" + buildID.slice(4,6) + "-" + buildID.slice(6,8);
-    document.getElementById("PMversion").textContent += " (" + buildDate + ")";
+    document.getElementById("aboutVersion").textContent += " (" + buildDate + ")";
   }
 
-#ifdef MOZ_UPDATER
-  gAppUpdater = new appUpdater();
-#endif
-
 #ifdef XP_MACOSX
   // it may not be sized at this point, and we need its width to calculate its position
   window.sizeToContent();
@@ -64,527 +60,3 @@ function init(aEvent)
     relnotes.setAttribute("href", releaseNotesURL);
   }
 }
-
-#ifdef MOZ_UPDATER
-Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
-Components.utils.import("resource://gre/modules/DownloadUtils.jsm");
-Components.utils.import("resource://gre/modules/AddonManager.jsm");
-
-var gAppUpdater;
-
-function onUnload(aEvent) {
-  if (gAppUpdater.isChecking)
-    gAppUpdater.checker.stopChecking(Components.interfaces.nsIUpdateChecker.CURRENT_CHECK);
-  // Safe to call even when there isn't a download in progress.
-  gAppUpdater.removeDownloadListener();
-  gAppUpdater = null;
-}
-
-
-function appUpdater()
-{
-  this.updateDeck = document.getElementById("updateDeck");
-
-  // Hide the update deck when there is already an update window open to avoid
-  // syncing issues between them.
-  if (Services.wm.getMostRecentWindow("Update:Wizard")) {
-    this.updateDeck.hidden = true;
-    return;
-  }
-
-  XPCOMUtils.defineLazyServiceGetter(this, "aus",
-                                     "@mozilla.org/updates/update-service;1",
-                                     "nsIApplicationUpdateService");
-  XPCOMUtils.defineLazyServiceGetter(this, "checker",
-                                     "@mozilla.org/updates/update-checker;1",
-                                     "nsIUpdateChecker");
-  XPCOMUtils.defineLazyServiceGetter(this, "um",
-                                     "@mozilla.org/updates/update-manager;1",
-                                     "nsIUpdateManager");
-
-  this.bundle = Services.strings.
-                createBundle("chrome://browser/locale/browser.properties");
-
-  this.updateBtn = document.getElementById("updateButton");
-
-  // The button label value must be set so its height is correct.
-  this.setupUpdateButton("update.checkInsideButton");
-
-  let manualURL = Services.urlFormatter.formatURLPref("app.update.url.manual");
-  let manualLink = document.getElementById("manualLink");
-  manualLink.value = manualURL;
-  manualLink.href = manualURL;
-  document.getElementById("failedLink").href = manualURL;
-
-  if (this.updateDisabledAndLocked) {
-    this.selectPanel("adminDisabled");
-    return;
-  }
-
-  if (this.isPending || this.isApplied) {
-    this.setupUpdateButton("update.restart." +
-                           (this.isMajor ? "upgradeButton" : "updateButton"));
-    return;
-  }
-
-  if (this.aus.isOtherInstanceHandlingUpdates) {
-    this.selectPanel("otherInstanceHandlingUpdates");
-    return;
-  }
-
-  if (this.isDownloading) {
-    this.startDownload();
-    return;
-  }
-
-  if (this.updateEnabled && this.updateAuto) {
-    this.selectPanel("checkingForUpdates");
-    this.isChecking = true;
-    this.checker.checkForUpdates(this.updateCheckListener, true);
-    return;
-  }
-}
-
-appUpdater.prototype =
-{
-  // true when there is an update check in progress.
-  isChecking: false,
-
-  // true when there is an update already staged / ready to be applied.
-  get isPending() {
-    if (this.update) {
-      return this.update.state == "pending" ||
-             this.update.state == "pending-service";
-    }
-    return this.um.activeUpdate &&
-           (this.um.activeUpdate.state == "pending" ||
-            this.um.activeUpdate.state == "pending-service");
-  },
-
-  // true when there is an update already installed in the background.
-  get isApplied() {
-    if (this.update)
-      return this.update.state == "applied" ||
-             this.update.state == "applied-service";
-    return this.um.activeUpdate &&
-           (this.um.activeUpdate.state == "applied" ||
-            this.um.activeUpdate.state == "applied-service");
-  },
-
-  // true when there is an update download in progress.
-  get isDownloading() {
-    if (this.update)
-      return this.update.state == "downloading";
-    return this.um.activeUpdate &&
-           this.um.activeUpdate.state == "downloading";
-  },
-
-  // true when the update type is major.
-  get isMajor() {
-    if (this.update)
-      return this.update.type == "major";
-    return this.um.activeUpdate.type == "major";
-  },
-
-  // true when updating is disabled by an administrator.
-  get updateDisabledAndLocked() {
-    return !this.updateEnabled &&
-           Services.prefs.prefIsLocked("app.update.enabled");
-  },
-
-  // true when updating is enabled.
-  get updateEnabled() {
-    try {
-      return Services.prefs.getBoolPref("app.update.enabled");
-    }
-    catch (e) { }
-    return true; // Firefox default is true
-  },
-
-  // true when updating in background is enabled.
-  get backgroundUpdateEnabled() {
-    return this.updateEnabled &&
-           gAppUpdater.aus.canStageUpdates;
-  },
-
-  // true when updating is automatic.
-  get updateAuto() {
-    try {
-      return Services.prefs.getBoolPref("app.update.auto");
-    }
-    catch (e) { }
-    return true; // Firefox default is true
-  },
-
-  /**
-   * Sets the deck's selected panel.
-   *
-   * @param  aChildID
-   *         The id of the deck's child to select.
-   */
-  selectPanel: function(aChildID) {
-    this.updateDeck.selectedPanel = document.getElementById(aChildID);
-    this.updateBtn.disabled = (aChildID != "updateButtonBox");
-  },
-
-  /**
-   * Sets the update button's label and accesskey.
-   *
-   * @param  aKeyPrefix
-   *         The prefix for the properties file entry to use for setting the
-   *         label and accesskey.
-   */
-  setupUpdateButton: function(aKeyPrefix) {
-    this.updateBtn.label = this.bundle.GetStringFromName(aKeyPrefix + ".label");
-    this.updateBtn.accessKey = this.bundle.GetStringFromName(aKeyPrefix + ".accesskey");
-    if (!document.commandDispatcher.focusedElement ||
-        document.commandDispatcher.focusedElement == this.updateBtn)
-      this.updateBtn.focus();
-  },
-
-  /**
-   * Handles oncommand for the update button.
-   */
-  buttonOnCommand: function() {
-    if (this.isPending || this.isApplied) {
-      // Notify all windows that an application quit has been requested.
-      let cancelQuit = Components.classes["@mozilla.org/supports-PRBool;1"].
-                       createInstance(Components.interfaces.nsISupportsPRBool);
-      Services.obs.notifyObservers(cancelQuit, "quit-application-requested", "restart");
-
-      // Something aborted the quit process.
-      if (cancelQuit.data)
-        return;
-
-      let appStartup = Components.classes["@mozilla.org/toolkit/app-startup;1"].
-                       getService(Components.interfaces.nsIAppStartup);
-
-      // If already in safe mode restart in safe mode (bug 327119)
-      if (Services.appinfo.inSafeMode) {
-        appStartup.restartInSafeMode(Components.interfaces.nsIAppStartup.eAttemptQuit);
-        return;
-      }
-
-      appStartup.quit(Components.interfaces.nsIAppStartup.eAttemptQuit |
-                      Components.interfaces.nsIAppStartup.eRestart);
-      return;
-    }
-
-    const URI_UPDATE_PROMPT_DIALOG = "chrome://mozapps/content/update/updates.xul";
-    // Firefox no longer displays a license for updates and the licenseURL check
-    // is just in case a distibution does.
-    if (this.update) {
-      var ary = null;
-      ary = Components.classes["@mozilla.org/supports-array;1"].
-            createInstance(Components.interfaces.nsISupportsArray);
-      ary.AppendElement(this.update);
-      var openFeatures = "chrome,centerscreen,dialog=no,resizable=no,titlebar,toolbar=no";
-      Services.ww.openWindow(null, URI_UPDATE_PROMPT_DIALOG, "", openFeatures, ary);
-      window.close();
-      return;
-    }
-
-    this.selectPanel("checkingForUpdates");
-    this.isChecking = true;
-    this.checker.checkForUpdates(this.updateCheckListener, true);
-  },
-
-  /**
-   * Implements nsIUpdateCheckListener. The methods implemented by
-   * nsIUpdateCheckListener are in a different scope from nsIIncrementalDownload
-   * to make it clear which are used by each interface.
-   */
-  updateCheckListener: {
-    /**
-     * See nsIUpdateService.idl
-     */
-    onCheckComplete: function(aRequest, aUpdates, aUpdateCount) {
-      gAppUpdater.isChecking = false;
-      gAppUpdater.update = gAppUpdater.aus.
-                           selectUpdate(aUpdates, aUpdates.length);
-      if (!gAppUpdater.update) {
-        gAppUpdater.selectPanel("noUpdatesFound");
-        return;
-      }
-
-      if (gAppUpdater.update.unsupported) {
-        if (gAppUpdater.update.detailsURL) {
-          let unsupportedLink = document.getElementById("unsupportedLink");
-          unsupportedLink.href = gAppUpdater.update.detailsURL;
-        }
-        gAppUpdater.selectPanel("unsupportedSystem");
-        return;
-      }
-
-      if (!gAppUpdater.aus.canApplyUpdates) {
-        gAppUpdater.selectPanel("manualUpdate");
-        return;
-      }
-
-      gAppUpdater.selectPanel("updateButtonBox");
-      gAppUpdater.setupUpdateButton("update.openUpdateUI." +
-                                    (this.isMajor ? "upgradeButton"
-                                                  : "applyButton"));
-    },
-
-    /**
-     * See nsIUpdateService.idl
-     */
-    onError: function(aRequest, aUpdate) {
-      // Errors in the update check are treated as no updates found. If the
-      // update check fails repeatedly without a success the user will be
-      // notified with the normal app update user interface so this is safe.
-      gAppUpdater.isChecking = false;
-      gAppUpdater.selectPanel("noUpdatesFound");
-    },
-
-    /**
-     * See nsISupports.idl
-     */
-    QueryInterface: function(aIID) {
-      if (!aIID.equals(Components.interfaces.nsIUpdateCheckListener) &&
-          !aIID.equals(Components.interfaces.nsISupports))
-        throw Components.results.NS_ERROR_NO_INTERFACE;
-      return this;
-    }
-  },
-
-  /**
-   * Checks the compatibility of add-ons for the application update.
-   */
-  checkAddonCompatibility: function() {
-    var self = this;
-    AddonManager.getAllAddons(function(aAddons) {
-      self.addons = [];
-      self.addonsCheckedCount = 0;
-      aAddons.forEach(function(aAddon) {
-        // Protect against code that overrides the add-ons manager and doesn't
-        // implement the isCompatibleWith or the findUpdates method.
-        if (!("isCompatibleWith" in aAddon) || !("findUpdates" in aAddon)) {
-          let errMsg = "Add-on doesn't implement either the isCompatibleWith " +
-                       "or the findUpdates method!";
-          if (aAddon.id)
-            errMsg += " Add-on ID: " + aAddon.id;
-          Components.utils.reportError(errMsg);
-          return;
-        }
-
-        // If an add-on isn't appDisabled and isn't userDisabled then it is
-        // either active now or the user expects it to be active after the
-        // restart. If that is the case and the add-on is not installed by the
-        // application and is not compatible with the new application version
-        // then the user should be warned that the add-on will become
-        // incompatible. If an addon's type equals plugin it is skipped since
-        // checking plugins compatibility information isn't supported and
-        // getting the scope property of a plugin breaks in some environments
-        // (see bug 566787).
-        try {
-          if (aAddon.type != "plugin" && aAddon.isCompatible &&
-              !aAddon.appDisabled && !aAddon.userDisabled &&
-              aAddon.scope != AddonManager.SCOPE_APPLICATION &&
-              !aAddon.isCompatibleWith(self.update.appVersion,
-                                       self.update.platformVersion))
-            self.addons.push(aAddon);
-        }
-        catch (e) {
-          Components.utils.reportError(e);
-        }
-      });
-      self.addonsTotalCount = self.addons.length;
-      if (self.addonsTotalCount == 0) {
-        self.startDownload();
-        return;
-      }
-
-      self.checkAddonsForUpdates();
-    });
-  },
-
-  /**
-   * Checks if there are updates for add-ons that are incompatible with the
-   * application update.
-   */
-  checkAddonsForUpdates: function() {
-    this.addons.forEach(function(aAddon) {
-      aAddon.findUpdates(this, AddonManager.UPDATE_WHEN_NEW_APP_DETECTED,
-                         this.update.appVersion,
-                         this.update.platformVersion);
-    }, this);
-  },
-
-  /**
-   * See XPIProvider.jsm
-   */
-  onCompatibilityUpdateAvailable: function(aAddon) {
-    for (var i = 0; i < this.addons.length; ++i) {
-      if (this.addons[i].id == aAddon.id) {
-        this.addons.splice(i, 1);
-        break;
-      }
-    }
-  },
-
-  /**
-   * See XPIProvider.jsm
-   */
-  onUpdateAvailable: function(aAddon, aInstall) {
-    if (!Services.blocklist.isAddonBlocklisted(aAddon.id, aInstall.version,
-                                               this.update.appVersion,
-                                               this.update.platformVersion)) {
-      // Compatibility or new version updates mean the same thing here.
-      this.onCompatibilityUpdateAvailable(aAddon);
-    }
-  },
-
-  /**
-   * See XPIProvider.jsm
-   */
-  onUpdateFinished: function(aAddon) {
-    ++this.addonsCheckedCount;
-
-    if (this.addonsCheckedCount < this.addonsTotalCount)
-      return;
-
-    if (this.addons.length == 0) {
-      // Compatibility updates or new version updates were found for all add-ons
-      this.startDownload();
-      return;
-    }
-
-    this.selectPanel("updateButtonBox");
-    this.setupUpdateButton("update.openUpdateUI." +
-                           (this.isMajor ? "upgradeButton" : "applyButton"));
-  },
-
-  /**
-   * Starts the download of an update mar.
-   */
-  startDownload: function() {
-    if (!this.update)
-      this.update = this.um.activeUpdate;
-    this.update.QueryInterface(Components.interfaces.nsIWritablePropertyBag);
-    this.update.setProperty("foregroundDownload", "true");
-
-    this.aus.pauseDownload();
-    let state = this.aus.downloadUpdate(this.update, false);
-    if (state == "failed") {
-      this.selectPanel("downloadFailed");
-      return;
-    }
-
-    this.setupDownloadingUI();
-  },
-
-  /**
-   * Switches to the UI responsible for tracking the download.
-   */
-  setupDownloadingUI: function() {
-    this.downloadStatus = document.getElementById("downloadStatus");
-    this.downloadStatus.value =
-      DownloadUtils.getTransferTotal(0, this.update.selectedPatch.size);
-    this.selectPanel("downloading");
-    this.aus.addDownloadListener(this);
-  },
-
-  removeDownloadListener: function() {
-    if (this.aus) {
-      this.aus.removeDownloadListener(this);
-    }
-  },
-
-  /**
-   * See nsIRequestObserver.idl
-   */
-  onStartRequest: function(aRequest, aContext) {
-  },
-
-  /**
-   * See nsIRequestObserver.idl
-   */
-  onStopRequest: function(aRequest, aContext, aStatusCode) {
-    switch (aStatusCode) {
-    case Components.results.NS_ERROR_UNEXPECTED:
-      if (this.update.selectedPatch.state == "download-failed" &&
-          (this.update.isCompleteUpdate || this.update.patchCount != 2)) {
-        // Verification error of complete patch, informational text is held in
-        // the update object.
-        this.removeDownloadListener();
-        this.selectPanel("downloadFailed");
-        break;
-      }
-      // Verification failed for a partial patch, complete patch is now
-      // downloading so return early and do NOT remove the download listener!
-      break;
-    case Components.results.NS_BINDING_ABORTED:
-      // Do not remove UI listener since the user may resume downloading again.
-      break;
-    case Components.results.NS_OK:
-      this.removeDownloadListener();
-      if (this.backgroundUpdateEnabled) {
-        this.selectPanel("applying");
-        let update = this.um.activeUpdate;
-        let self = this;
-        Services.obs.addObserver(function (aSubject, aTopic, aData) {
-          // Update the UI when the background updater is finished
-          let status = aData;
-          if (status == "applied" || status == "applied-service" ||
-              status == "pending" || status == "pending-service") {
-            // If the update is successfully applied, or if the updater has
-            // fallen back to non-staged updates, show the Restart to Update
-            // button.
-            self.selectPanel("updateButtonBox");
-            self.setupUpdateButton("update.restart." +
-                                   (self.isMajor ? "upgradeButton" : "updateButton"));
-          } else if (status == "failed") {
-            // Background update has failed, let's show the UI responsible for
-            // prompting the user to update manually.
-            self.selectPanel("downloadFailed");
-          } else if (status == "downloading") {
-            // We've fallen back to downloading the full update because the
-            // partial update failed to get staged in the background.
-            // Therefore we need to keep our observer.
-            self.setupDownloadingUI();
-            return;
-          }
-          Services.obs.removeObserver(arguments.callee, "update-staged");
-        }, "update-staged", false);
-      } else {
-        this.selectPanel("updateButtonBox");
-        this.setupUpdateButton("update.restart." +
-                               (this.isMajor ? "upgradeButton" : "updateButton"));
-      }
-      break;
-    default:
-      this.removeDownloadListener();
-      this.selectPanel("downloadFailed");
-      break;
-    }
-
-  },
-
-  /**
-   * See nsIProgressEventSink.idl
-   */
-  onStatus: function(aRequest, aContext, aStatus, aStatusArg) {
-  },
-
-  /**
-   * See nsIProgressEventSink.idl
-   */
-  onProgress: function(aRequest, aContext, aProgress, aProgressMax) {
-    this.downloadStatus.value =
-      DownloadUtils.getTransferTotal(aProgress, aProgressMax);
-  },
-
-  /**
-   * See nsISupports.idl
-   */
-  QueryInterface: function(aIID) {
-    if (!aIID.equals(Components.interfaces.nsIProgressEventSink) &&
-        !aIID.equals(Components.interfaces.nsIRequestObserver) &&
-        !aIID.equals(Components.interfaces.nsISupports))
-      throw Components.results.NS_ERROR_NO_INTERFACE;
-    return this;
-  }
-};
-#endif
diff --git a/application/palemoon/base/content/aboutDialog.xul b/application/palemoon/base/content/aboutDialog.xul
index 5c344f55d..6edfc2155 100644
--- a/application/palemoon/base/content/aboutDialog.xul
+++ b/application/palemoon/base/content/aboutDialog.xul
@@ -24,9 +24,6 @@
         id="PMaboutDialog"
         windowtype="Browser:About"
         onload="init(event);"
-#ifdef MOZ_UPDATER
-        onunload="onUnload(event);"
-#endif
 #ifdef XP_MACOSX
         inwindowmenu="false"
 #else
@@ -38,86 +35,48 @@
 
   <script type="application/javascript" src="chrome://browser/content/aboutDialog.js"/>
 
-  <vbox id="aboutPMDialogContainer">
-    <hbox id="PMclientBox">
-      <vbox id="PMleftBox" flex="1"/>
-      <vbox id="PMrightBox" flex="1">
+  <vbox id="aboutPMDialogContainer" flex="1">
+    <vbox id="aboutHeaderBox" />
+    <vbox id="aboutVersionBox" flex="3">
 #ifdef HAVE_64BIT_BUILD
-#expand <label id="PMversion">Version: __MOZ_APP_VERSION__ (64-bit)</label>
+#expand <label id="aboutVersion">Version: __MOZ_APP_VERSION__ (64-bit)</label>
 #else
-#expand <label id="PMversion">Version: __MOZ_APP_VERSION__ (32-bit)</label>
+#expand <label id="aboutVersion">Version: __MOZ_APP_VERSION__ (32-bit)</label>
 #endif
         <label id="distribution" class="text-blurb"/>
         <label id="distributionId" class="text-blurb"/>
 
-        <vbox id="detailsBox">
-          <vbox id="updateBox">
-#ifdef MOZ_UPDATER
-            <deck id="updateDeck" orient="vertical">
-              <hbox id="updateButtonBox" align="center">
-                <button id="updateButton" align="start"
-                        oncommand="gAppUpdater.buttonOnCommand();"/>
-                <spacer flex="1"/>
-              </hbox>
-              <hbox id="checkingForUpdates" align="center">
-                <image class="update-throbber"/><label>&update.checkingForUpdates;</label>
-              </hbox>
-              <hbox id="checkingAddonCompat" align="center">
-                <image class="update-throbber"/><label>&update.checkingAddonCompat;</label>
-              </hbox>
-              <hbox id="downloading" align="center">
-                <image class="update-throbber"/><label>&update.downloading.start;</label><label id="downloadStatus"/><label>&update.downloading.end;</label>
-              </hbox>
-              <hbox id="applying" align="center">
-                <image class="update-throbber"/><label>&update.applying;</label>
-              </hbox>
-              <hbox id="downloadFailed" align="center">
-                <label>&update.failed.start;</label><label id="failedLink" class="text-link">&update.failed.linkText;</label><label>&update.failed.end;</label>
-              </hbox>
-              <hbox id="adminDisabled" align="center">
-                <label>&update.adminDisabled;</label>
-              </hbox>
-              <hbox id="noUpdatesFound" align="center">
-                <label>&update.noUpdatesFound;</label>
-              </hbox>
-              <hbox id="manualUpdate" align="center">
-                <label>&update.manual.start;</label><label id="manualLink" class="text-link"/><label>&update.manual.end;</label>
-              </hbox>
-            </deck>
-#endif
-          </vbox>
-
-        <description class="text-pmcreds">
+    </vbox>
+    <vbox id="aboutTextBox" flex="1">
+        <description class="text-credits text-center">
 #if defined(MOZ_OFFICIAL_BRANDING) || defined(MC_OFFICIAL)
 #ifdef MC_PRIVATE_BUILD
           This is a private build of Pale Moon. If you did not manually build this copy from source yourself, then please download an official version from the <label class="text-link" href="http://www.palemoon.org/">Pale Moon website</label>.
 #else
-          Pale Moon is released by <label class="text-link" href="http://www.moonchildproductions.info">Moonchild Productions</label>.
+          <label class="text-link" href="http://www.palemoon.org">Pale Moon</label> is released by <label class="text-link" href="http://www.moonchildproductions.info">Moonchild Productions</label>.
         </description>
-        <description class="text-pmcreds">
+        <description class="text-credits text-center">
           Special thanks to all our supporters and donors for making this browser possible!
         </description>
-        <description class="text-blurb">
+        <description class="text-credits">
           If you wish to contribute, please consider helping out by providing support to other users on the <label class="text-link" href="https://forum.palemoon.org/">Pale Moon forum</label>
           or getting involved in our development by tackling some of the issues found in our GitHub issue tracker.
 #endif
 #else
           &brandFullName; is released by &vendorShortName;.
         </description>
-        <description class="text-blurb">
+        <description class="text-credits">
           This is an unofficial build of Pale Moon. For official builds, please go to <label class="text-link" href="http://www.palemoon.org/">the Pale Moon website</label>.
 #endif
         </description>    
-        </vbox>
-      </vbox>
-    </hbox>
-    <vbox id="PMbottomBox">
+    </vbox>
+    <vbox id="aboutLinkBox">
       <hbox pack="center">
-        <label class="text-link bottom-link" href="about:license">Licensing information</label>
         <label class="text-link bottom-link" href="about:rights">End-user rights</label>
+        <label class="text-link bottom-link" href="about:license">Licensing information</label>
         <label class="text-link bottom-link" id="releaseNotesURL">Release notes</label>
       </hbox>
-      <description id="PMtrademark">&trademarkInfo.part1;</description>
+      <description id="aboutPMtrademark">&trademarkInfo.part1;</description>
     </vbox>
   </vbox>
   
diff --git a/application/palemoon/base/content/aboutRobots-icon.png b/application/palemoon/base/content/aboutRobots-icon.png
deleted file mode 100644
index 1c4899aaf..000000000
--- a/application/palemoon/base/content/aboutRobots-icon.png
+++ /dev/null
diff --git a/application/palemoon/base/content/aboutRobots-widget-left.png b/application/palemoon/base/content/aboutRobots-widget-left.png
deleted file mode 100644
index 3a1e48d5f..000000000
--- a/application/palemoon/base/content/aboutRobots-widget-left.png
+++ /dev/null
diff --git a/application/palemoon/base/content/aboutRobots.xhtml b/application/palemoon/base/content/aboutRobots.xhtml
deleted file mode 100644
index 23fe3ba17..000000000
--- a/application/palemoon/base/content/aboutRobots.xhtml
+++ /dev/null
@@ -1,108 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-
-<!-- This Source Code Form is subject to the terms of the Mozilla Public
-   - License, v. 2.0. If a copy of the MPL was not distributed with this
-   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
-
-<!DOCTYPE html [
-  <!ENTITY % htmlDTD
-    PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
-    "DTD/xhtml1-strict.dtd">
-  %htmlDTD;
-  <!ENTITY % netErrorDTD
-    SYSTEM "chrome://global/locale/netError.dtd">
-  %netErrorDTD;
-  <!ENTITY % globalDTD
-    SYSTEM "chrome://global/locale/global.dtd">
-  %globalDTD;
-  <!ENTITY % aboutrobotsDTD
-    SYSTEM "chrome://browser/locale/aboutRobots.dtd">
-  %aboutrobotsDTD;
-]>
-
-<html xmlns="http://www.w3.org/1999/xhtml">
-  <head>
-    <title>&robots.pagetitle;</title>
-    <link rel="stylesheet" href="chrome://global/skin/netError.css" type="text/css" media="all" />
-    <link rel="icon" type="image/png" id="favicon" href="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8%2F9hAAAACGFjVEwAAAASAAAAAJNtBPIAAAAaZmNUTAAAAAAAAAAQAAAAEAAAAAAAAAAALuAD6AABhIDeugAAALhJREFUOI2Nk8sNxCAMRDlGohauXFOMpfTiAlxICqAELltHLqlgctg1InzMRhpFAc%2BLGWTnmoeZYamt78zXdZmaQtQMADlnU0OIAlbmJUBEcO4bRKQY2rUXIPmAGnDuG%2FBx3%2FfvOPVaDUg%2BoAPUf1PArIMCSD5glMEsUGaG%2BkyAFWIBaCsKuA%2BHGCNijLgP133XgOEtaPFMy2vUolEGJoCIzBmoRUR9%2B7rxj16DZaW%2FmgtmxnJ8V3oAnApQwNS5zpcAAAAaZmNUTAAAAAEAAAAQAAAAEAAAAAAAAAAAAB4D6AIB52fclgAAACpmZEFUAAAAAjiNY2AYBVhBc3Pzf2LEcGreqcbwH1kDNjHauWAUjAJyAADymxf9WF%2Bu8QAAABpmY1RMAAAAAwAAABAAAAAQAAAAAAAAAAAAHgPoAgEK8Q9%2FAAAAFmZkQVQAAAAEOI1jYBgFo2AUjAIIAAAEEAAB0xIn4wAAABpmY1RMAAAABQAAABAAAAAQAAAAAAAAAAAAHgPoAgHnO30FAAAAQGZkQVQAAAAGOI1jYBieYKcaw39ixHCC%2F6cwFWMTw2rz%2F1MM%2F6Vu%2Ff%2F%2F%2FxTD%2F51qEIwuRjsXILuEGLFRMApgAADhNCsVfozYcAAAABpmY1RMAAAABwAAABAAAAAQAAAAAAAAAAAAHgPoAgEKra7sAAAAFmZkQVQAAAAIOI1jYBgFo2AUjAIIAAAEEAABM9s3hAAAABpmY1RMAAAACQAAABAAAAAQAAAAAAAAAAAAHgPoAgHn3p%2BwAAAAKmZkQVQAAAAKOI1jYBgFWEFzc%2FN%2FYsRwat6pxvAfWQM2Mdq5YBSMAnIAAPKbF%2F1BhPl6AAAAGmZjVEwAAAALAAAAEAAAABAAAAAAAAAAAAAeA%2BgCAQpITFkAAAAWZmRBVAAAAAw4jWNgGAWjYBSMAggAAAQQAAHaszpmAAAAGmZjVEwAAAANAAAAEAAAABAAAAAAAAAAAAAeA%2BgCAeeCPiMAAABAZmRBVAAAAA44jWNgGJ5gpxrDf2LEcIL%2FpzAVYxPDavP%2FUwz%2FpW79%2F%2F%2F%2FFMP%2FnWoQjC5GOxcgu4QYsVEwCmAAAOE0KxUmBL0KAAAAGmZjVEwAAAAPAAAAEAAAABAAAAAAAAAAAAAeA%2BgCAQoU7coAAAAWZmRBVAAAABA4jWNgGAWjYBSMAggAAAQQAAEpOBELAAAAGmZjVEwAAAARAAAAEAAAABAAAAAAAAAAAAAeA%2BgCAeYVWtoAAAAqZmRBVAAAABI4jWNgGAVYQXNz839ixHBq3qnG8B9ZAzYx2rlgFIwCcgAA8psX%2FWvpAecAAAAaZmNUTAAAABMAAAAQAAAAEAAAAAAAAAAAAB4D6AIBC4OJMwAAABZmZEFUAAAAFDiNY2AYBaNgFIwCCAAABBAAAcBQHOkAAAAaZmNUTAAAABUAAAAQAAAAEAAAAAAAAAAAAB4D6AIB5kn7SQAAAEBmZEFUAAAAFjiNY2AYnmCnGsN%2FYsRwgv%2BnMBVjE8Nq8%2F9TDP%2Blbv3%2F%2F%2F8Uw%2F%2BdahCMLkY7FyC7hBixUTAKYAAA4TQrFc%2BcEoQAAAAaZmNUTAAAABcAAAAQAAAAEAAAAAAAAAAAAB4D6AIBC98ooAAAABZmZEFUAAAAGDiNY2AYBaNgFIwCCAAABBAAASCZDI4AAAAaZmNUTAAAABkAAAAQAAAAEAAAAAAAAAAAAB4D6AIB5qwZ%2FAAAACpmZEFUAAAAGjiNY2AYBVhBc3Pzf2LEcGreqcbwH1kDNjHauWAUjAJyAADymxf9cjJWbAAAABpmY1RMAAAAGwAAABAAAAAQAAAAAAAAAAAAHgPoAgELOsoVAAAAFmZkQVQAAAAcOI1jYBgFo2AUjAIIAAAEEAAByfEBbAAAABpmY1RMAAAAHQAAABAAAAAQAAAAAAAAAAAAHgPoAgHm8LhvAAAAQGZkQVQAAAAeOI1jYBieYKcaw39ixHCC%2F6cwFWMTw2rz%2F1MM%2F6Vu%2Ff%2F%2F%2FxTD%2F51qEIwuRjsXILuEGLFRMApgAADhNCsVlxR3%2FgAAABpmY1RMAAAAHwAAABAAAAAQAAAAAAAAAAAAHgPoAgELZmuGAAAAFmZkQVQAAAAgOI1jYBgFo2AUjAIIAAAEEAABHP5cFQAAABpmY1RMAAAAIQAAABAAAAAQAAAAAAAAAAAAHgPoAgHlgtAOAAAAKmZkQVQAAAAiOI1jYBgFWEFzc%2FN%2FYsRwat6pxvAfWQM2Mdq5YBSMAnIAAPKbF%2F0%2FMvDdAAAAAElFTkSuQmCC"/>
-
-    <script type="application/javascript"><![CDATA[
-      var buttonClicked = false;
-      function robotButton()
-      {
-        var button = document.getElementById('errorTryAgain');
-        if (buttonClicked) {
-          button.style.visibility = "hidden";
-        } else {
-          var newLabel = button.getAttribute("label2");
-          button.textContent = newLabel;
-          buttonClicked = true;
-        }
-      }
-    ]]></script>
-
-    <style type="text/css"><![CDATA[
-      #errorPageContainer {
-        background-image: none;
-      }
-
-      #errorPageContainer:before {
-        content: url('chrome://browser/content/aboutRobots-icon.png');
-        position: absolute;
-      }
-
-      body[dir=rtl] #icon,
-      body[dir=rtl] #errorPageContainer:before {
-        transform: scaleX(-1);
-      }
-    ]]></style>
-  </head>
-
-  <body dir="&locale.dir;">
-
-    <!-- PAGE CONTAINER (for styling purposes only) -->
-    <div id="errorPageContainer">
-
-      <!-- Error Title -->
-      <div id="errorTitle">
-        <h1 id="errorTitleText">&robots.errorTitleText;</h1>
-      </div>
-
-      <!-- LONG CONTENT (the section most likely to require scrolling) -->
-      <div id="errorLongContent">
-
-        <!-- Short Description -->
-        <div id="errorShortDesc">
-          <p id="errorShortDescText">&robots.errorShortDescText;</p>
-        </div>
-
-        <!-- Long Description (Note: See netError.dtd for used XHTML tags) -->
-        <div id="errorLongDesc">
-          <ul>
-            <li>&robots.errorLongDesc1;</li>
-            <li>&robots.errorLongDesc2;</li>
-            <li>&robots.errorLongDesc3;</li>
-            <li>&robots.errorLongDesc4;</li>
-          </ul>
-        </div>
-
-        <!-- Short Description -->
-        <div id="errorTrailerDesc">
-          <p id="errorTrailerDescText">&robots.errorTrailerDescText;</p>
-        </div>
-
-      </div>
-
-      <!-- Button -->
-      <button id="errorTryAgain"
-              label2="&robots.dontpress;"
-              onclick="robotButton();">&retry.label;</button>
-
-      <img src="chrome://browser/content/aboutRobots-widget-left.png"
-           style="position: absolute; bottom: -12px; left: -10px;"/>
-      <img src="chrome://browser/content/aboutRobots-widget-left.png"
-           style="position: absolute; bottom: -12px; right: -10px; transform: scaleX(-1);"/>
-    </div>
-
-  </body>
-</html>
diff --git a/application/palemoon/base/content/baseMenuOverlay.xul b/application/palemoon/base/content/baseMenuOverlay.xul
index e9019dc55..a006ed5c6 100644
--- a/application/palemoon/base/content/baseMenuOverlay.xul
+++ b/application/palemoon/base/content/baseMenuOverlay.xul
@@ -41,7 +41,7 @@
           label="&helpMenu.label;"
           accesskey="&helpMenu.accesskey;">
 #endif
-      <menupopup id="menu_HelpPopup">
+      <menupopup id="menu_HelpPopup" onpopupshowing="buildHelpMenu();">
         <menuitem id="menu_openHelp"
                   oncommand="openHelpLink('firefox-help')"
                   onclick="checkForMiddleClick(this, event);"
@@ -66,6 +66,14 @@
                   accesskey="&helpSafeMode.accesskey;"
                   label="&helpSafeMode.label;"
                   oncommand="restart(true);"/>
+        <menuseparator id="updatesSeparator"/>
+        <menuitem id="checkForUpdates" class="menuitem-iconic"
+#ifdef MOZ_UPDATER
+                  label="&updateCmd.label;"
+                  oncommand="checkForUpdates();"/>
+#else
+                  hidden="true"/>
+#endif
         <menuseparator id="aboutSeparator"/>
         <menuitem id="aboutName"
                   accesskey="&aboutProduct.accesskey;"
diff --git a/application/palemoon/base/content/browser-appmenu.inc b/application/palemoon/base/content/browser-appmenu.inc
index cfc855484..ffb117a60 100644
--- a/application/palemoon/base/content/browser-appmenu.inc
+++ b/application/palemoon/base/content/browser-appmenu.inc
@@ -341,7 +341,7 @@
       <splitmenu id="appmenu_help"
                  label="&helpMenu.label;"
                  oncommand="openHelpLink('firefox-help')">
-          <menupopup id="appmenu_helpMenupopup">
+          <menupopup id="appmenu_helpMenupopup" onpopupshowing="buildHelpMenu();">
             <menuitem id="appmenu_openHelp"
                       label="&helpMenu.label;"
                       oncommand="openHelpLink('firefox-help')"
@@ -358,6 +358,13 @@
             <menuitem id="appmenu_safeMode"
                       label="&appMenuSafeMode.label;"
                       oncommand="restart(true);"/>
+#ifdef MOZ_UPDATER
+            <menuseparator/>
+            <menuitem id="appmenu_checkForUpdates"
+                      class="menuitem-iconic"
+                      label="&updateCmd.label;"
+                      oncommand="checkForUpdates();"/>
+#endif
             <menuseparator/>
             <menuitem id="appmenu_about"
                       label="&aboutProduct.label;"
diff --git a/application/palemoon/base/content/browser-context.inc b/application/palemoon/base/content/browser-context.inc
index f672ede61..38c472508 100644
--- a/application/palemoon/base/content/browser-context.inc
+++ b/application/palemoon/base/content/browser-context.inc
@@ -70,7 +70,7 @@
                 label="&mediaUnmute.label;"
                 accesskey="&mediaUnmute.accesskey;"
                 oncommand="gContextMenu.mediaCommand('unmute');"/>
-      <menu id="context-media-playbackrate" label="&mediaPlaybackRate.label;" accesskey="&mediaPlaybackRate.accesskey;">
+      <menu id="context-media-playbackrate" label="&mediaPlaybackRate2.label;" accesskey="&mediaPlaybackRate2.accesskey;">
         <menupopup>
           <menuitem id="context-media-playbackrate-050x"
                     label="&mediaPlaybackRate050x.label;"
@@ -99,6 +99,11 @@
                     oncommand="gContextMenu.mediaCommand('playbackRate', 2.0);"/>
         </menupopup>
       </menu>
+      <menuitem id="context-media-loop"
+                label="&mediaLoop.label;"
+                accesskey="&mediaLoop.accesskey;"
+                type="checkbox"
+                oncommand="gContextMenu.mediaCommand('loop');"/>
       <menuitem id="context-media-showcontrols"
                 label="&mediaShowControls.label;"
                 accesskey="&mediaShowControls.accesskey;"
diff --git a/application/palemoon/base/content/browser-fullScreen.js b/application/palemoon/base/content/browser-fullScreen.js
index b1235a8d3..e816ce5c1 100644
--- a/application/palemoon/base/content/browser-fullScreen.js
+++ b/application/palemoon/base/content/browser-fullScreen.js
@@ -53,17 +53,9 @@ var FullScreen = {
       document.addEventListener("popupshown", this._setPopupOpen, false);
       document.addEventListener("popuphidden", this._setPopupOpen, false);
       this._shouldAnimate = true;
-      // If it is not safe to collapse, add the mouse position tracker or
-      // else it won't be possible to hide the navigation toolbox again
-      if (!this._safeToCollapse(document.mozFullScreen)) {
-        let rect = gBrowser.mPanelContainer.getBoundingClientRect();
-        this._mouseTargetRect = {
-          top: rect.top + 50,
-          bottom: rect.bottom,
-          left: rect.left,
-          right: rect.right
-        };
-        MousePosTracker.addListener(this);
+      if (gPrefService.getBoolPref("browser.fullscreen.autohide")) {
+        gBrowser.mPanelContainer.addEventListener("mousemove",
+                                                  this._collapseCallback, false);
       }
       // We don't animate the toolbar collapse if in DOM full-screen mode,
       // as the size of the content area would still be changing after the
@@ -149,7 +141,8 @@ var FullScreen = {
 
   cleanup: function () {
     if (!window.fullScreen) {
-      MousePosTracker.removeListener(this);
+      gBrowser.mPanelContainer.removeEventListener("mousemove",
+                                                   this._collapseCallback, false);
       document.removeEventListener("keypress", this._keyToggleCallback, false);
       document.removeEventListener("popupshown", this._setPopupOpen, false);
       document.removeEventListener("popuphidden", this._setPopupOpen, false);
@@ -164,17 +157,12 @@ var FullScreen = {
     }
   },
 
-  getMouseTargetRect: function()
-  {
-    return this._mouseTargetRect;
-  },
-
   // Event callbacks
   _expandCallback: function()
   {
     FullScreen.showNavToolbox();
   },
-  onMouseEnter: function()
+  _collapseCallback: function()
   {
     FullScreen.hideNavToolbox();
   },
@@ -328,14 +316,8 @@ var FullScreen = {
     // Track whether mouse is near the toolbox
     this._isChromeCollapsed = false;
     if (trackMouse) {
-      let rect = gBrowser.mPanelContainer.getBoundingClientRect();
-      this._mouseTargetRect = {
-        top: rect.top + 50,
-        bottom: rect.bottom,
-        left: rect.left,
-        right: rect.right
-      };
-      MousePosTracker.addListener(this);
+      gBrowser.mPanelContainer.addEventListener("mousemove",
+                                                this._collapseCallback, false);
     }
   },
 
@@ -378,7 +360,8 @@ var FullScreen = {
     gNavToolbox.style.marginTop =
       -gNavToolbox.getBoundingClientRect().height + "px";
     this._isChromeCollapsed = true;
-    MousePosTracker.removeListener(this);
+    gBrowser.mPanelContainer.removeEventListener("mousemove",
+                                                 this._collapseCallback, false);
   },
 
   showXULChrome: function(aTag, aShow)
diff --git a/application/palemoon/base/content/browser-menudragging.js b/application/palemoon/base/content/browser-menudragging.js
index cf26b2ba4..f3f00d72c 100644
--- a/application/palemoon/base/content/browser-menudragging.js
+++ b/application/palemoon/base/content/browser-menudragging.js
@@ -52,11 +52,9 @@ var browserMenuDragging = {
 
   initPref: function(){
     this.STAY_OPEN_ONDRAGEXIT =
-          this.getPref('browser.menu.dragging.stayOpen',
-                       'bool', false);
+          Services.prefs.getBoolPref('browser.menu.dragging.stayOpen', false);
     this.DEBUG =
-          this.getPref('browser.menu.dragging.debug',
-                       'bool', false);
+          Services.prefs.getBoolPref('browser.menu.dragging.debug', false);
   },
 
   //delayed startup
@@ -291,26 +289,6 @@ var browserMenuDragging = {
       .logStringMessage(aMsg);
   },
 
-  getPref: function(aPrefString, aPrefType, aDefault){
-    var xpPref = Components.classes["@mozilla.org/preferences-service;1"]
-                  .getService(Components.interfaces.nsIPrefService);
-    try{
-      switch (aPrefType){
-        case 'complex':
-          return xpPref.getComplexValue(aPrefString, Components.interfaces.nsILocalFile); break;
-        case 'str':
-          return xpPref.getCharPref(aPrefString).toString(); break;
-        case 'int':
-          return xpPref.getIntPref(aPrefString); break;
-        case 'bool':
-        default:
-          return xpPref.getBoolPref(aPrefString); break;
-      }
-    }catch(e){
-    }
-    return aDefault;
-  },
-
   setPref: function(aPrefString, aPrefType, aValue){
     var xpPref = Components.classes["@mozilla.org/preferences-service;1"]
                   .getService(Components.interfaces.nsIPrefService);
diff --git a/application/palemoon/base/content/browser-sets.inc b/application/palemoon/base/content/browser-sets.inc
index 64228678e..78fce2670 100644
--- a/application/palemoon/base/content/browser-sets.inc
+++ b/application/palemoon/base/content/browser-sets.inc
@@ -32,6 +32,7 @@
     <command id="cmd_printPreview" oncommand="PrintUtils.printPreview(PrintPreviewListener);"/>
     <command id="cmd_close" oncommand="BrowserCloseTabOrWindow()"/>
     <command id="cmd_closeWindow" oncommand="BrowserTryToCloseWindow()"/>
+	<command id="cmd_toggleMute" oncommand="gBrowser.selectedTab.toggleMuteAudio()"/>
     <command id="cmd_ToggleTabsOnTop" oncommand="TabsOnTop.toggle()"/>
     <command id="cmd_CustomizeToolbars" oncommand="BrowserCustomizeToolbar()"/>
     <command id="cmd_restartApplication" oncommand="restart(false);"/>
@@ -79,7 +80,6 @@
     <command id="Browser:NextTab" oncommand="gBrowser.tabContainer.advanceSelectedTab(1, true);"/>
     <command id="Browser:PrevTab" oncommand="gBrowser.tabContainer.advanceSelectedTab(-1, true);"/>
     <command id="Browser:ShowAllTabs" oncommand="allTabs.open();"/>
-    <command id="Browser:FocusNextFrame" oncommand="focusNextFrame(event);"/>
     <command id="cmd_fullZoomReduce"  oncommand="FullZoom.reduce()"/>
     <command id="cmd_fullZoomEnlarge" oncommand="FullZoom.enlarge()"/>
     <command id="cmd_fullZoomReset"   oncommand="FullZoom.reset()"/>
@@ -213,6 +213,7 @@
     <key id="printKb" key="&printCmd.commandkey;" command="cmd_print"  modifiers="accel"/>
     <key id="key_close" key="&closeCmd.key;" command="cmd_close" modifiers="accel"/>
     <key id="key_closeWindow" key="&closeCmd.key;" command="cmd_closeWindow" modifiers="accel,shift"/>
+	<key id="key_toggleMute" key="&toggleMuteCmd.key;" command="cmd_toggleMute" modifiers="control"/>
     <key id="key_undo"
          key="&undoCmd.key;"
          modifiers="accel"/>
@@ -251,8 +252,6 @@
 #ifndef XP_MACOSX
     <key id="showAllHistoryKb" key="&showAllHistoryCmd.commandkey;" command="Browser:ShowAllHistory" modifiers="accel,shift"/>
     <key keycode="VK_F5" command="Browser:ReloadSkipCache" modifiers="accel"/>
-    <key keycode="VK_F6" command="Browser:FocusNextFrame"/>
-    <key keycode="VK_F6" command="Browser:FocusNextFrame" modifiers="shift"/>
     <key id="key_fullScreen" keycode="VK_F11" command="View:FullScreen"/>
 #else
     <key id="key_fullScreen" key="&fullScreenCmd.macCommandKey;" command="View:FullScreen" modifiers="accel,control"/>
diff --git a/application/palemoon/base/content/browser-tabPreviews.js b/application/palemoon/base/content/browser-tabPreviews.js
index eaae78ba8..e0755b81d 100644
--- a/application/palemoon/base/content/browser-tabPreviews.js
+++ b/application/palemoon/base/content/browser-tabPreviews.js
@@ -940,6 +940,13 @@ var allTabs = {
       aPreview.setAttribute("image", aPreview._tab.image);
     else
       aPreview.removeAttribute("image");
+  
+    aPreview.removeAttribute("soundplaying");
+    aPreview.removeAttribute("muted");
+    if (aPreview._tab.hasAttribute("muted"))
+      aPreview.setAttribute("muted", "true");
+    else if (aPreview._tab.hasAttribute("soundplaying"))
+      aPreview.setAttribute("soundplaying", "true");
 
     var thumbnail = tabPreviews.get(aPreview._tab);
     if (aPreview.firstChild) {
diff --git a/application/palemoon/base/content/browser-tabPreviews.xml b/application/palemoon/base/content/browser-tabPreviews.xml
index e957649e7..4f54321ea 100644
--- a/application/palemoon/base/content/browser-tabPreviews.xml
+++ b/application/palemoon/base/content/browser-tabPreviews.xml
@@ -42,7 +42,10 @@
           <xul:hbox class="tabPreview-canvas" xbl:inherits="style=canvasstyle">
             <children/>
           </xul:hbox>
-          <xul:label flex="1" xbl:inherits="value=label,crop" class="allTabs-preview-label plain"/>
+          <xul:hbox align="center">
+            <xul:image xbl:inherits="soundplaying,muted" class="allTabs-endimage"/>
+            <xul:label flex="1" xbl:inherits="value=label,crop" class="allTabs-preview-label plain"/>
+          </xul:hbox>
         </xul:vbox>
         <xul:hbox class="allTabs-favicon-container">
           <xul:image class="allTabs-favicon" xbl:inherits="src=image"/>
diff --git a/application/palemoon/base/content/browser-title.css b/application/palemoon/base/content/browser-title.css
index 66b5e6731..5f7e77564 100644
--- a/application/palemoon/base/content/browser-title.css
+++ b/application/palemoon/base/content/browser-title.css
@@ -50,13 +50,6 @@
     right: -12px;
 }
 
-/* Lightweight Themes */
-
-#main-window:-moz-lwtheme::after {
-  color: inherit;
-  text-shadow: inherit;
-}
-
 /* Windows Classic theme */
 
 @media all and (-moz-windows-classic) {
@@ -192,6 +185,13 @@
   
 }
 
+/* Lightweight Themes */
+
+#main-window:-moz-lwtheme::after {
+  color: inherit;
+  text-shadow: inherit;
+}
+
 
 /* Hide for small windows */
 
diff --git a/application/palemoon/base/content/browser.js b/application/palemoon/base/content/browser.js
index 7421fc5c3..7672fa3a8 100644
--- a/application/palemoon/base/content/browser.js
+++ b/application/palemoon/base/content/browser.js
@@ -53,13 +53,20 @@ var gEditUIVisible = true;
 
 // Smart getter for the findbar.  If you don't wish to force the creation of
 // the findbar, check gFindBarInitialized first.
-
-this.__defineGetter__("gFindBar", function() {
-  return window.gBrowser.getFindBar();
-});
-
-this.__defineGetter__("gFindBarInitialized", function() {
-  return window.gBrowser.isFindBarInitialized();
+var gFindBarInitialized = false;
+XPCOMUtils.defineLazyGetter(window, "gFindBar", function() {
+  let XULNS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
+  let findbar = document.createElementNS(XULNS, "findbar");
+  findbar.id = "FindToolbar";
+
+  let browserBottomBox = document.getElementById("browser-bottombox");
+  browserBottomBox.insertBefore(findbar, browserBottomBox.firstChild);
+
+  // Force a style flush to ensure that our binding is attached.
+  findbar.clientTop;
+  findbar.browser = gBrowser.mCurrentBrowser;
+  window.gFindBarInitialized = true;
+  return findbar;
 });
 
 XPCOMUtils.defineLazyModuleGetter(this, "BrowserUtils",
@@ -969,6 +976,7 @@ var gBrowserInit = {
     CombinedStopReload.init();
     allTabs.readPref();
     TabsOnTop.init();
+    AudioIndicator.init();
     gPrivateBrowsingUI.init();
     TabsInTitlebar.init();
     retrieveToolbarIconsizesFromTheme();
@@ -1139,7 +1147,7 @@ var gBrowserInit = {
 
     // Setup click-and-hold gestures access to the session history
     // menus if global click-and-hold isn't turned on
-    if (!getBoolPref("ui.click_hold_context_menus", false))
+    if (!Services.prefs.getBoolPref("ui.click_hold_context_menus", false))
       SetClickAndHoldHandlers();
 
     // Initialize the full zoom setting.
@@ -1357,6 +1365,8 @@ var gBrowserInit = {
     BookmarkingUI.uninit();
 
     TabsOnTop.uninit();
+    
+    AudioIndicator.uninit();
 
     TabsInTitlebar.uninit();
     
@@ -1773,7 +1783,7 @@ function BrowserGoHome(aEvent) {
   case "tabshifted":
   case "tab":
     urls = homePage.split("|");
-    var loadInBackground = getBoolPref("browser.tabs.loadBookmarksInBackground", false);
+    var loadInBackground = Services.prefs.getBoolPref("browser.tabs.loadBookmarksInBackground", false);
     gBrowser.loadTabs(urls, loadInBackground);
     break;
   case "window":
@@ -2414,11 +2424,18 @@ function BrowserOnAboutPageLoad(doc) {
   /* === about:home === */
 
   if (doc.documentURI.toLowerCase() == "about:home") {
-    let ss = Components.classes["@mozilla.org/browser/sessionstore;1"].
-             getService(Components.interfaces.nsISessionStore);
-    if (ss.canRestoreLastSession &&
-        !PrivateBrowsingUtils.isWindowPrivate(window))
-      doc.getElementById("launcher").setAttribute("session", "true");
+    if (!PrivateBrowsingUtils.isWindowPrivate(window)) {
+      let wrapper = {};
+      Cu.import("resource:///modules/sessionstore/SessionStore.jsm", wrapper);
+      let ss = wrapper.SessionStore;
+      ss.promiseInitialized.then(function() {
+        if (ss.canRestoreLastSession) {
+          doc.getElementById("launcher").setAttribute("session", "true");
+        }
+      }).then(null, function onError(x) {
+        Cu.reportError("Error in SessionStore init while processing 'about:home': " + x);
+      });
+    }
 
     // Inject search engine and snippets URL.
     let docElt = doc.documentElement;
@@ -2439,7 +2456,7 @@ function BrowserOnAboutPageLoad(doc) {
       docElt.setAttribute("searchEnginePostData", engine.postDataString || "");
       docElt.setAttribute("searchEngineURL", engine.searchURL);
     }
-    updateSearchEngine();
+    Services.search.init(updateSearchEngine);
 
     // Listen for the event that's triggered when the user changes search engine.
     // At this point we simply reload about:home to reflect the change.
@@ -2464,7 +2481,7 @@ function BrowserOnAboutPageLoad(doc) {
       docElt.setAttribute("searchEnginePostData", engine.postDataString || "");
       docElt.setAttribute("searchEngineURL", engine.searchURL);
     }
-    updateSearchEngine();
+    Services.search.init(updateSearchEngine);
 
     // Listen for the event that's triggered when the user changes search engine.
     // At this point we simply reload about:newtab to reflect the change.
@@ -2644,6 +2661,11 @@ function getWebNavigation()
 }
 
 function BrowserReloadWithFlags(reloadFlags) {
+  
+  // Reset DOS mitigation for auth prompts when user initiates a reload.
+  let browser = gBrowser.selectedBrowser;
+  delete browser.authPromptCounter;
+  
   /* First, we'll try to use the session history object to reload so
    * that framesets are handled properly. If we're in a special
    * window (such as view-source) that has no session history, fall
@@ -3029,7 +3051,9 @@ const DOMLinkHandler = {
                 /^(?:https?|ftp):/i.test(link.href) &&
                 !PrivateBrowsingUtils.isWindowPrivate(window)) {
               var engine = { title: link.title, href: link.href };
-              BrowserSearch.addEngine(engine, link.ownerDocument);
+              Services.search.init(function () {
+                BrowserSearch.addEngine(engine, link.ownerDocument);
+              });
               searchAdded = true;
             }
           }
@@ -3378,7 +3402,7 @@ function BrowserCustomizeToolbar() {
   TabsInTitlebar.allowedBy("customizing-toolbars", false);
 
   var customizeURL = "chrome://global/content/customizeToolbar.xul";
-  gCustomizeSheet = getBoolPref("toolbar.customization.usesheet", false);
+  gCustomizeSheet = Services.prefs.getBoolPref("toolbar.customization.usesheet", false);
 
   if (gCustomizeSheet) {
     let sheetFrame = document.createElement("iframe");
@@ -3462,7 +3486,7 @@ function BrowserToolboxCustomizeDone(aToolboxChanged) {
   cmd.removeAttribute("disabled");
 
   // make sure to re-enable click-and-hold
-  if (!getBoolPref("ui.click_hold_context_menus", false))
+  if (!Services.prefs.getBoolPref("ui.click_hold_context_menus", false))
     SetClickAndHoldHandlers();
 
   gBrowser.selectedBrowser.focus();
@@ -4389,7 +4413,13 @@ nsBrowserAccess.prototype = {
 
   openURI: function (aURI, aOpener, aWhere, aContext) {
     var newWindow = null;
-    var isExternal = (aContext == Ci.nsIBrowserDOMWindow.OPEN_EXTERNAL);
+    var isExternal = !!(aContext & Ci.nsIBrowserDOMWindow.OPEN_EXTERNAL);
+
+    if (aOpener && isExternal) {
+      Cu.reportError("nsBrowserAccess.openURI did not expect an opener to be " +
+                     "passed if the context is OPEN_EXTERNAL.");
+      throw Cr.NS_ERROR_FAILURE;
+    }
 
     if (isExternal && aURI && aURI.schemeIs("chrome")) {
       dump("use -chrome command-line option to load external chrome urls\n");
@@ -4583,6 +4613,42 @@ function setToolbarVisibility(toolbar, isVisible) {
     ToolbarIconColor.inferFromText();
 }
 
+var AudioIndicator = {
+  init: function () {
+    Services.prefs.addObserver(this._prefName, this, false);
+    this.syncUI();
+  },
+
+  uninit: function () {
+    Services.prefs.removeObserver(this._prefName, this);
+  },
+
+  toggle: function () {
+    this.enabled = !Services.prefs.getBoolPref(this._prefName);
+  },
+
+  syncUI: function () {
+    document.getElementById("context_toggleMuteTab").setAttribute("hidden", this.enabled);
+    document.getElementById("key_toggleMute").setAttribute("disabled", this.enabled);
+  },
+
+  get enabled () {
+    return !Services.prefs.getBoolPref(this._prefName);
+  },
+
+  set enabled (val) {
+    Services.prefs.setBoolPref(this._prefName, !!val);
+    return val;
+  },
+
+  observe: function (subject, topic, data) {
+    if (topic == "nsPref:changed")
+      this.syncUI();
+  },
+
+  _prefName: "browser.tabs.showAudioPlayingIcon"
+}
+
 var TabsOnTop = {
   init: function TabsOnTop_init() {
     Services.prefs.addObserver(this._prefName, this, false);
@@ -5272,9 +5338,6 @@ function handleDroppedLink(event, urlOrLinks, name)
 
   let lastLocationChange = gBrowser.selectedBrowser.lastLocationChange;
 
-  let userContextId = gBrowser.selectedBrowser
-                      .getAttribute("usercontextid") || 0;
-
   let inBackground = Services.prefs.getBoolPref("browser.tabs.loadInBackground");
   if (event.shiftKey)
     inBackground = !inBackground;
@@ -5293,7 +5356,6 @@ function handleDroppedLink(event, urlOrLinks, name)
         replace: true,
         allowThirdPartyFixup: false,
         postDatas,
-        userContextId,
       });
     }
   });
@@ -7007,6 +7069,17 @@ function restoreLastSession() {
 
 var TabContextMenu = {
   contextTab: null,
+  _updateToggleMuteMenuItem(aTab, aConditionFn) {
+    ["muted", "soundplaying"].forEach(attr => {
+      if (!aConditionFn || aConditionFn(attr)) {
+        if (aTab.hasAttribute(attr)) {
+          aTab.toggleMuteMenuItem.setAttribute(attr, "true");
+        } else {
+          aTab.toggleMuteMenuItem.removeAttribute(attr);
+        }
+      }
+    });
+  },
   updateContextMenu: function updateContextMenu(aPopupMenu) {
     this.contextTab = aPopupMenu.triggerNode.localName == "tab" ?
                       aPopupMenu.triggerNode : gBrowser.selectedTab;
@@ -7053,6 +7126,35 @@ var TabContextMenu = {
     bookmarkAllTabs.hidden = this.contextTab.pinned;
     if (!bookmarkAllTabs.hidden)
       PlacesCommandHook.updateBookmarkAllTabsCommand();
+
+    // Adjust the state of the toggle mute menu item.
+    let toggleMute = document.getElementById("context_toggleMuteTab");
+    if (this.contextTab.hasAttribute("muted")) {
+      toggleMute.label = gNavigatorBundle.getString("unmuteTab.label");
+      toggleMute.accessKey = gNavigatorBundle.getString("unmuteTab.accesskey");
+    } else {
+      toggleMute.label = gNavigatorBundle.getString("muteTab.label");
+      toggleMute.accessKey = gNavigatorBundle.getString("muteTab.accesskey");
+    }
+    
+    this.contextTab.toggleMuteMenuItem = toggleMute;
+    this._updateToggleMuteMenuItem(this.contextTab);
+
+    this.contextTab.addEventListener("TabAttrModified", this, false);
+    aPopupMenu.addEventListener("popuphiding", this, false);
+  },
+  handleEvent(aEvent) {
+    switch (aEvent.type) {
+      case "popuphiding":
+        gBrowser.removeEventListener("TabAttrModified", this);
+        aEvent.target.removeEventListener("popuphiding", this);
+        break;
+      case "TabAttrModified":
+        let tab = aEvent.target;
+        this._updateToggleMuteMenuItem(tab,
+          attr => aEvent.detail.changed.indexOf(attr) >= 0);
+        break;
+    }
   }
 };
 
@@ -7222,14 +7324,6 @@ var MousePosTracker = {
   }
 };
 
-function focusNextFrame(event) {
-  let fm = Services.focus;
-  let dir = event.shiftKey ? fm.MOVEFOCUS_BACKWARDDOC : fm.MOVEFOCUS_FORWARDDOC;
-  let element = fm.moveFocus(window, null, dir, fm.FLAG_BYKEY);
-  if (element.ownerDocument == document)
-    focusAndSelectUrlBar();
-}
-
 var BrowserChromeTest = {
   _cb: null,
   _ready: false,
diff --git a/application/palemoon/base/content/browser.xul b/application/palemoon/base/content/browser.xul
index 90899bb88..ddc305a7b 100644
--- a/application/palemoon/base/content/browser.xul
+++ b/application/palemoon/base/content/browser.xul
@@ -59,6 +59,7 @@
         macanimationtype="document"
         screenX="4" screenY="4"
         fullscreenbutton="true"
+        retargetdocumentfocus="urlbar"
         persist="screenX screenY width height sizemode">
 
 # All JS files which are not content (only) dependent that browser.xul
@@ -86,6 +87,7 @@
                onpopuphidden="if (event.target == this) TabContextMenu.contextTab = null;">
       <menuitem id="context_reloadTab" label="&reloadTab.label;" accesskey="&reloadTab.accesskey;"
                 oncommand="gBrowser.reloadTab(TabContextMenu.contextTab);"/>
+      <menuitem id="context_toggleMuteTab" oncommand="TabContextMenu.contextTab.toggleMuteAudio();"/>
       <menuseparator/>
       <menuitem id="context_pinTab" label="&pinTab.label;"
                 accesskey="&pinTab.accesskey;"
@@ -963,7 +965,8 @@
                   tabcontainer="tabbrowser-tabs"
                   contentcontextmenu="contentAreaContextMenu"
                   autocompletepopup="PopupAutoComplete"
-                  datetimepicker="DateTimePickerPanel"/>
+                  datetimepicker="DateTimePickerPanel"
+                  authdosprotected="true"/>
       <chatbar id="pinnedchats" layer="true" mousethrough="always" hidden="true"/>
       <statuspanel id="statusbar-display" inactive="true"/>
     </vbox>
diff --git a/application/palemoon/base/content/content.js b/application/palemoon/base/content/content.js
index 653dac3e3..211a24a8b 100644
--- a/application/palemoon/base/content/content.js
+++ b/application/palemoon/base/content/content.js
@@ -139,7 +139,6 @@ var handleContentContextMenu = function (event) {
   let selectionInfo = BrowserUtils.getSelectionDetails(content);
 
   let loadContext = docShell.QueryInterface(Ci.nsILoadContext);
-  let userContextId = loadContext.originAttributes.userContextId;
 
   let browser = docShell.chromeEventHandler;
   let mainWin = browser.ownerGlobal;
@@ -160,7 +159,6 @@ var handleContentContextMenu = function (event) {
     selectionInfo: selectionInfo,
     loginFillInfo,
     parentAllowsMixedContent,
-    userContextId,
   };
 }
 
diff --git a/application/palemoon/base/content/nsContextMenu.js b/application/palemoon/base/content/nsContextMenu.js
index 19b2fac77..916dd2637 100644
--- a/application/palemoon/base/content/nsContextMenu.js
+++ b/application/palemoon/base/content/nsContextMenu.js
@@ -381,6 +381,7 @@ nsContextMenu.prototype = {
     this.showItem("context-media-mute",   onMedia && !this.target.muted);
     this.showItem("context-media-unmute", onMedia && this.target.muted);
     this.showItem("context-media-playbackrate", onMedia);
+    this.showItem("context-media-loop", onMedia);
     this.showItem("context-media-showcontrols", onMedia && !this.target.controls);
     this.showItem("context-media-hidecontrols", onMedia && this.target.controls);
     this.showItem("context-video-fullscreen", this.onVideo && this.target.ownerDocument.mozFullScreenElement == null);
@@ -394,6 +395,7 @@ nsContextMenu.prototype = {
       this.setItemAttr("context-media-playbackrate-100x", "checked", this.target.playbackRate == 1.0);
       this.setItemAttr("context-media-playbackrate-150x", "checked", this.target.playbackRate == 1.5);
       this.setItemAttr("context-media-playbackrate-200x", "checked", this.target.playbackRate == 2.0);
+      this.setItemAttr("context-media-loop", "checked", this.target.loop);
       var hasError = this.target.error != null ||
                      this.target.networkState == this.target.NETWORK_NO_SOURCE;
       this.setItemAttr("context-media-play",  "disabled", hasError);
@@ -838,30 +840,8 @@ nsContextMenu.prototype = {
 
   // View Partial Source
   viewPartialSource: function(aContext) {
-    var focusedWindow = document.commandDispatcher.focusedWindow;
-    if (focusedWindow == window)
-      focusedWindow = content;
-
-    var docCharset = null;
-    if (focusedWindow)
-      docCharset = "charset=" + focusedWindow.document.characterSet;
-
-    // "View Selection Source" and others such as "View MathML Source"
-    // are mutually exclusive, with the precedence given to the selection
-    // when there is one
-    var reference = null;
-    if (aContext == "selection")
-      reference = focusedWindow.getSelection();
-    else if (aContext == "mathml")
-      reference = this.target;
-    else
-      throw "not reached";
-
-    // unused (and play nice for fragments generated via XSLT too)
-    var docUrl = null;
-    window.openDialog("chrome://global/content/viewPartialSource.xul",
-                      "_blank", "scrollbars,resizable,chrome,dialog=no",
-                      docUrl, docCharset, reference, aContext);
+    let target = aContext == "mathml" ? this.target : null;
+    top.gViewSourceUtils.viewPartialSourceInBrowser(gBrowser.selectedBrowser, target);
   },
 
   // Open new "view source" window with the frame's URL.
@@ -1553,6 +1533,9 @@ nsContextMenu.prototype = {
       case "pause":
         media.pause();
         break;
+      case "loop":
+        media.loop = !media.loop;
+        break;
       case "mute":
         media.muted = true;
         break;
diff --git a/application/palemoon/base/content/palemoon.xhtml b/application/palemoon/base/content/palemoon.xhtml
index 96757052c..f145550a9 100644
--- a/application/palemoon/base/content/palemoon.xhtml
+++ b/application/palemoon/base/content/palemoon.xhtml
@@ -13,7 +13,7 @@
 <html xmlns="http://www.w3.org/1999/xhtml">
   <head>
     <meta charset='utf-8' />
-    <title>&chronicles.title.55.2;</title>
+    <title>&chronicles.title.66.1;</title>
 
 <style type="text/css">
 html {
@@ -54,11 +54,11 @@ a {
 
 <section>
   <p id="moztext">
-  &chronicles.quote.55.2;
+  &chronicles.quote.66.1;
   </p>
 
   <p id="from">
-  &chronicles.from.55.2;
+  &chronicles.from.66.1;
   </p>
 </section>
 
diff --git a/application/palemoon/base/content/sanitize.js b/application/palemoon/base/content/sanitize.js
index 0c85fa215..b4d13d895 100644
--- a/application/palemoon/base/content/sanitize.js
+++ b/application/palemoon/base/content/sanitize.js
@@ -257,18 +257,13 @@ Sanitizer.prototype = {
                                       .getService(Components.interfaces.nsIWindowMediator);
         var windows = windowManager.getEnumerator("navigator:browser");
         while (windows.hasMoreElements()) {
-          let currentWindow = windows.getNext();
-          let currentDocument = currentWindow.document;
+          let currentDocument = windows.getNext().document;
           let searchBar = currentDocument.getElementById("searchbar");
           if (searchBar)
             searchBar.textbox.reset();
-          let tabBrowser = currentWindow.gBrowser;
-          for (let tab of tabBrowser.tabs) {
-            if (tabBrowser.isFindBarInitialized(tab))
-              tabBrowser.getFindBar(tab).clear();
-          }
-          // Clear any saved find value
-          tabBrowser._lastFindValue = "";
+          let findBar = currentDocument.getElementById("FindToolbar");
+          if (findBar)
+            findBar.clear();
         }
 
         let change = { op: "remove" };
@@ -284,8 +279,7 @@ Sanitizer.prototype = {
                                       .getService(Components.interfaces.nsIWindowMediator);
         var windows = windowManager.getEnumerator("navigator:browser");
         while (windows.hasMoreElements()) {
-          let currentWindow = windows.getNext();
-          let currentDocument = currentWindow.document;
+          let currentDocument = windows.getNext().document;
           let searchBar = currentDocument.getElementById("searchbar");
           if (searchBar) {
             let transactionMgr = searchBar.textbox.editor.transactionManager;
@@ -296,12 +290,8 @@ Sanitizer.prototype = {
               return false;
             }
           }
-          let tabBrowser = currentWindow.gBrowser;
-          let findBarCanClear = Array.some(tabBrowser.tabs, function (aTab) {
-            return tabBrowser.isFindBarInitialized(aTab) &&
-                   tabBrowser.getFindBar(aTab).canClear;
-          });
-          if (findBarCanClear) {
+          let findBar = currentDocument.getElementById("FindToolbar");
+          if (findBar && findBar.canClear) {
             aCallback("formdata", true, aArg);
             return false;
           }
diff --git a/application/palemoon/base/content/tabbrowser.css b/application/palemoon/base/content/tabbrowser.css
index 94d6dbb2e..43536b27a 100644
--- a/application/palemoon/base/content/tabbrowser.css
+++ b/application/palemoon/base/content/tabbrowser.css
@@ -45,10 +45,19 @@ tabpanels {
 }
 
 .tab-throbber:not([busy]),
-.tab-throbber[busy] + .tab-icon-image {
+.tab-throbber[busy] + .tab-icon-image,
+.tab-icon-sound:not([soundplaying]):not([muted]):not([blocked]),
+.tab-icon-sound[pinned],
+.tab-icon-overlay {
   display: none;
 }
 
+.tab-icon-overlay[soundplaying][pinned],
+.tab-icon-overlay[muted][pinned],
+.tab-icon-overlay[blocked][pinned] {
+  display: -moz-box;
+}
+
 .closing-tabs-spacer {
   pointer-events: none;
 }
diff --git a/application/palemoon/base/content/tabbrowser.xml b/application/palemoon/base/content/tabbrowser.xml
index d5735149e..868179b5d 100644
--- a/application/palemoon/base/content/tabbrowser.xml
+++ b/application/palemoon/base/content/tabbrowser.xml
@@ -30,7 +30,7 @@
               <xul:vbox flex="1" class="browserContainer">
                 <xul:stack flex="1" class="browserStack" anonid="browserStack">
                   <xul:browser anonid="initialBrowser" type="content-primary" message="true" disablehistory="true"
-                               xbl:inherits="tooltip=contenttooltip,contextmenu=contentcontextmenu,autocompletepopup,datetimepicker"/>
+                               xbl:inherits="tooltip=contenttooltip,contextmenu=contentcontextmenu,autocompletepopup,datetimepicker,authdosprotected"/>
                 </xul:stack>
               </xul:vbox>
             </xul:hbox>
@@ -128,10 +128,6 @@
         false
       </field>
 
-      <field name="_lastFindValue">
-        ""
-      </field>
-
       <property name="_numPinnedTabs" readonly="true">
         <getter><![CDATA[
           for (var i = 0; i < this.tabs.length; i++) {
@@ -158,43 +154,6 @@
         ]]></getter>
       </property>
 
-      <method name="isFindBarInitialized">
-        <parameter name="aTab"/>
-        <body><![CDATA[
-          return (aTab || this.selectedTab)._findBar != undefined;
-        ]]></body>
-      </method>
-
-      <method name="getFindBar">
-        <parameter name="aTab"/>
-        <body><![CDATA[
-          if (!aTab)
-            aTab = this.selectedTab;
-
-          if (aTab._findBar)
-            return aTab._findBar;
-
-          let findBar = document.createElementNS(this.namespaceURI, "findbar");
-          let browser = this.getBrowserForTab(aTab);
-          let browserContainer = this.getBrowserContainer(browser);
-          browserContainer.appendChild(findBar);
-
-          // Force a style flush to ensure that our binding is attached.
-          findBar.clientTop;
-
-          findBar.browser = browser;
-          findBar._findField.value = this._lastFindValue;
-
-          aTab._findBar = findBar;
-
-          let event = document.createEvent("Events");
-          event.initEvent("TabFindInitialized", true, false);
-          aTab.dispatchEvent(event);
-
-          return findBar;
-        ]]></body>
-      </method>
-
       <method name="updateWindowResizers">
         <body><![CDATA[
           if (!window.gShowPageResizers)
@@ -479,6 +438,22 @@
         </body>
       </method>
 
+      <method name="getTabFromAudioEvent">
+        <parameter name="aEvent"/>
+        <body>
+        <![CDATA[
+          if (!Services.prefs.getBoolPref("browser.tabs.showAudioPlayingIcon") ||
+              !aEvent.isTrusted) {
+            return null;
+          }
+
+          var browser = aEvent.originalTarget;
+          var tab = this.getTabForBrowser(browser);
+          return tab;
+        ]]>
+        </body>
+      </method>
+
       <method name="_callProgressListeners">
         <parameter name="aBrowser"/>
         <parameter name="aMethod"/>
@@ -657,7 +632,7 @@
 
                 if (this.mTab.hasAttribute("busy")) {
                   this.mTab.removeAttribute("busy");
-                  this.mTabBrowser._tabAttrModified(this.mTab);
+                  this.mTabBrowser._tabAttrModified(this.mTab, ["busy"]);
                   if (!this.mTab.selected)
                     this.mTab.setAttribute("unread", "true");
                 }
@@ -727,6 +702,8 @@
               let topLevel = aWebProgress.isTopLevel;
 
               if (topLevel) {
+                let isSameDocument =
+                  !!(aFlags & Ci.nsIWebProgressListener.LOCATION_CHANGE_SAME_DOCUMENT);
                 // We need to clear the typed value
                 // if the document failed to load, to make sure the urlbar reflects the
                 // failed URI (particularly for SSL errors). However, don't clear the value
@@ -737,6 +714,19 @@
                      aLocation.spec != "about:blank"))
                   this.mBrowser.userTypedValue = null;
 
+                // If the browser was playing audio, we should remove the playing state.
+                if (this.mTab.hasAttribute("soundplaying") && !isSameDocument) {
+                  clearTimeout(this.mTab._soundPlayingAttrRemovalTimer);
+                  this.mTab._soundPlayingAttrRemovalTimer = 0;
+                  this.mTab.removeAttribute("soundplaying");
+                  this.mTabBrowser._tabAttrModified(this.mTab, ["soundplaying"]);
+                }
+
+                // If the browser was previously muted, we should restore the muted state.
+                if (this.mTab.hasAttribute("muted")) {
+                  this.mTab.linkedBrowser.mute();
+                }
+
                 // Don't clear the favicon if this onLocationChange was
                 // triggered by a pushState or a replaceState.  See bug 550565.
                 if (!gMultiProcessBrowser) {
@@ -747,8 +737,7 @@
 
                 let autocomplete = this.mTabBrowser._placesAutocomplete;
                 if (this.mBrowser.registeredOpenURI) {
-                  autocomplete.unregisterOpenPage(this.mBrowser.registeredOpenURI,
-                                                  this.mBrowser.getAttribute("usercontextid") || 0);
+                  autocomplete.unregisterOpenPage(this.mBrowser.registeredOpenURI);
                   delete this.mBrowser.registeredOpenURI;
                 }
                 // Tabs in private windows aren't registered as "Open" so
@@ -756,8 +745,7 @@
                 if (!isBlankPageURL(aLocation.spec) &&
                     (!PrivateBrowsingUtils.isWindowPrivate(window) ||
                     PrivateBrowsingUtils.permanentPrivateBrowsing)) {
-                  autocomplete.registerOpenPage(aLocation,
-                                                this.mBrowser.getAttribute("usercontextid") || 0);
+                  autocomplete.registerOpenPage(aLocation);
                   this.mBrowser.registeredOpenURI = aLocation;
                 }
               }
@@ -841,13 +829,40 @@
                               "-moz-resolution=" + size + "," + size;
             }
             if (sizedIconUrl != aTab.getAttribute("image")) {
-              if (browser.mIconURL) //PMed
+              if (browser.mIconURL)
                 aTab.setAttribute("image", sizedIconUrl);
               else
                 aTab.removeAttribute("image");
-              this._tabAttrModified(aTab);
+              this._tabAttrModified(aTab, ["image"]);
             }
 
+            if (Services.prefs.getBoolPref("browser.chrome.favicons.process")) {
+              let favImage = new Image;
+              favImage.src = browser.mIconURL;
+              var tabBrowser = this;
+              favImage.onload = function () {
+                try {
+                  // Draw the icon on a hidden canvas
+                  var canvas = document.createElementNS("http://www.w3.org/1999/xhtml", "canvas");
+                  var tabImg = document.getAnonymousElementByAttribute(aTab, "anonid", "tab-icon");
+                  var w = tabImg.boxObject.width;
+                  var h = tabImg.boxObject.height;
+                  canvas.width = w;
+                  canvas.height = h;
+                  var ctx = canvas.getContext('2d');
+                  ctx.drawImage(favImage, 0, 0, w, h);
+                  icon = canvas.toDataURL();
+                  browser.mIconURL = icon;
+                  aTab.setAttribute("image", icon);
+                }
+                catch (e) {
+                  console.warn("Processing of favicon failed.");
+                  // Canvas failed: icon remains as it was
+                }
+                tabBrowser._callProgressListeners(browser, "onLinkIconAvailable", [browser.mIconURL]);
+              }
+            }
+                
             this._callProgressListeners(browser, "onLinkIconAvailable", [browser.mIconURL]);
           ]]>
         </body>
@@ -1082,6 +1097,11 @@
             // Bug 666809 - SecurityUI support for e10s
             var webProgress = this.mCurrentBrowser.webProgress;
             var securityUI = this.mCurrentBrowser.securityUI;
+            
+            // Update global findbar with new content browser
+            if (gFindBarInitialized) {
+              gFindBar.browser = newBrowser;
+            }
 
             this._callProgressListeners(null, "onLocationChange",
                                         [webProgress, null, loc, 0], true,
@@ -1104,11 +1124,9 @@
               this.mCurrentTab.removeAttribute("unread");
               this.selectedTab.lastAccessed = Date.now();
 
-              let oldFindBar = oldTab._findBar;
-              if (oldFindBar &&
-                  oldFindBar.findMode == oldFindBar.FIND_NORMAL &&
-                  !oldFindBar.hidden)
-                this._lastFindValue = oldFindBar._findField.value;
+              // Bug 666816 - TypeAheadFind support for e10s
+              if (!gMultiProcessBrowser)
+                this._fastFind.setDocShell(this.mCurrentBrowser.docShell);
 
               this.updateTitlebar();
 
@@ -1154,16 +1172,11 @@
               });
               this.mCurrentTab.dispatchEvent(event);
 
-              this._tabAttrModified(oldTab);
-              this._tabAttrModified(this.mCurrentTab);
+              this._tabAttrModified(oldTab, ["selected"]);
+              this._tabAttrModified(this.mCurrentTab, ["selected"]);
 
               // Adjust focus
               oldBrowser._urlbarFocused = (gURLBar && gURLBar.focused);
-              if (this.isFindBarInitialized(oldTab)) {
-                let findBar = this.getFindBar(oldTab);
-                oldTab._findBarFocused = (!findBar.hidden &&
-                  findBar._findField.getAttribute("focused") == "true");
-              }
               do {
                 // When focus is in the tab bar, retain it there.
                 if (document.activeElement == oldTab) {
@@ -1199,12 +1212,11 @@
                   }
                 }
 
-                // Focus the find bar if it was previously focused for that tab.
-                if (gFindBarInitialized && !gFindBar.hidden &&
-                    this.selectedTab._findBarFocused) {
-                  gFindBar._findField.focus();
+                // If the find bar is focused, keep it focused.
+                if (gFindBarInitialized &&
+                    !gFindBar.hidden &&
+                    gFindBar.getElement("findbar-textbox").getAttribute("focused") == "true")
                   break;
-                }
 
                 // Otherwise, focus the content area.
                 let fm = Cc["@mozilla.org/focus-manager;1"].getService(Ci.nsIFocusManager);
@@ -1231,14 +1243,18 @@
 
       <method name="_tabAttrModified">
         <parameter name="aTab"/>
+        <parameter name="aChanged"/>
         <body><![CDATA[
           if (aTab.closing)
             return;
 
-          // This event should be dispatched when any of these attributes change:
-          // label, crop, busy, image, selected
-          var event = document.createEvent("Events");
-          event.initEvent("TabAttrModified", true, false);
+          let event = new CustomEvent("TabAttrModified", {
+            bubbles: true,
+            cancelable: false,
+            detail: {
+              changed: aChanged,
+            }
+          });
           aTab.dispatchEvent(event);
         ]]></body>
       </method>
@@ -1249,7 +1265,7 @@
           <![CDATA[
             aTab.label = this.mStringBundle.getString("tabs.connecting");
             aTab.crop = "end";
-            this._tabAttrModified(aTab);
+            this._tabAttrModified(aTab, ["label", "crop"]);
           ]]>
         </body>
       </method>
@@ -1294,7 +1310,7 @@
 
             aTab.label = title;
             aTab.crop = crop;
-            this._tabAttrModified(aTab);
+            this._tabAttrModified(aTab, ["label", "crop"]);
 
             if (aTab.selected)
               this.updateTitlebar();
@@ -1365,7 +1381,6 @@
           let aTargetTab;
           let aNewIndex = -1;
           let aPostDatas = [];
-          let aUserContextId;
           if (arguments.length == 2 &&
               typeof arguments[1] == "object") {
             let params = arguments[1];
@@ -1376,7 +1391,6 @@
             aNewIndex             = typeof params.newIndex === "number" ?
                                     params.newIndex : aNewIndex;
             aPostDatas            = params.postDatas || aPostDatas;
-            aUserContextId        = params.userContextId;
           }
 
           if (!aURIs.length)
@@ -1425,8 +1439,7 @@
               ownerTab: owner,
               skipAnimation: multiple,
               allowThirdPartyFixup: aAllowThirdPartyFixup,
-              postData: aPostDatas[0],
-              userContextId: aUserContextId
+              postData: aPostDatas[0]
             });
             if (aNewIndex !== -1) {
               this.moveTabTo(firstTabAdded, aNewIndex);
@@ -1439,8 +1452,7 @@
             let tab = this.addTab(aURIs[i], {
               skipAnimation: true,
               allowThirdPartyFixup: aAllowThirdPartyFixup,
-              postData: aPostDatas[i],
-              userContextId: aUserContextId
+              postData: aPostDatas[i]
             });
             if (targetTabIndex !== -1)
               this.moveTabTo(tab, ++tabNum);
@@ -1473,6 +1485,7 @@
             var aRelatedToCurrent;
             var aSkipAnimation;
             var aOriginPrincipal;
+            var aSkipBackgroundNotify;
             if (arguments.length == 2 &&
                 typeof arguments[1] == "object" &&
                 !(arguments[1] instanceof Ci.nsIURI)) {
@@ -1488,6 +1501,7 @@
               aRelatedToCurrent     = params.relatedToCurrent;
               aSkipAnimation        = params.skipAnimation;
               aOriginPrincipal      = params.originPrincipal;
+              aSkipBackgroundNotify = params.skipBackgroundNotify;
             }
 
             // if we're adding tabs, we're past interrupt mode, ditch the owner
@@ -1511,6 +1525,11 @@
             t.setAttribute("crop", "end");
             t.setAttribute("validate", "never"); //PMed
             t.setAttribute("onerror", "this.removeAttribute('image');");
+
+            if (aSkipBackgroundNotify) {
+              t.setAttribute("skipbackgroundnotify", true);
+            }
+
             t.className = "tabbrowser-tab";
 
             this.tabContainer._unlockTabSizing();
@@ -1563,6 +1582,10 @@
             if (this.hasAttribute("datetimepicker")) {
               b.setAttribute("datetimepicker", this.getAttribute("datetimepicker"));
             }
+            
+            if (this.hasAttribute("authdosprotected")) {
+              b.setAttribute("authdosprotected", this.getAttribute("authdosprotected"));
+            }
 
             // Create the browserStack container
             var stack = document.createElementNS(NS_XUL, "stack");
@@ -1622,6 +1645,7 @@
             this.mTabListeners[position] = tabListener;
             this.mTabFilters[position] = filter;
 
+            b._fastFind = this.fastFind;
             b.droppedLinkHandler = handleDroppedLink;
 
             // If we just created a new tab that loads the default
@@ -2029,8 +2053,7 @@
             this.mTabListeners[aTab._tPos].destroy();
 
             if (browser.registeredOpenURI && !aTabWillBeMoved) {
-              this._placesAutocomplete.unregisterOpenPage(browser.registeredOpenURI,
-                                                          browser.getAttribute("usercontextid") || 0);
+              this._placesAutocomplete.unregisterOpenPage(browser.registeredOpenURI);
               delete browser.registeredOpenURI;
             }
 
@@ -2275,6 +2298,14 @@
             var remoteBrowser = aOtherTab.ownerDocument.defaultView.gBrowser;
             var isPending = aOtherTab.hasAttribute("pending");
 
+            // Expedite the removal of the icon if it was already scheduled.
+            if (aOtherTab._soundPlayingAttrRemovalTimer) {
+              clearTimeout(aOtherTab._soundPlayingAttrRemovalTimer);
+              aOtherTab._soundPlayingAttrRemovalTimer = 0;
+              aOtherTab.removeAttribute("soundplaying");
+              remoteBrowser._tabAttrModified(aOtherTab, ["soundplaying"]);
+            }
+
             // First, start teardown of the other browser.  Make sure to not
             // fire the beforeunload event in the process.  Close the other
             // window if this was its last tab.
@@ -2284,6 +2315,18 @@
             let ourBrowser = this.getBrowserForTab(aOurTab);
             let otherBrowser = aOtherTab.linkedBrowser;
 
+            let modifiedAttrs = [];
+            if (aOtherTab.hasAttribute("muted")) {
+              aOurTab.setAttribute("muted", "true");
+              aOurTab.muteReason = aOtherTab.muteReason;
+              ourBrowser.mute();
+              modifiedAttrs.push("muted");
+            }
+            if (aOtherTab.hasAttribute("soundplaying")) {
+              aOurTab.setAttribute("soundplaying", "true");
+              modifiedAttrs.push("soundplaying");
+            }
+
             // If the other tab is pending (i.e. has not been restored, yet)
             // then do not switch docShells but retrieve the other tab's state
             // and apply it to our tab.
@@ -2302,7 +2345,7 @@
               var isBusy = aOtherTab.hasAttribute("busy");
               if (isBusy) {
                 aOurTab.setAttribute("busy", "true");
-                this._tabAttrModified(aOurTab);
+                modifiedAttrs.push("busy");
                 if (aOurTab.selected)
                   this.mIsBusy = true;
               }
@@ -2310,17 +2353,6 @@
               this._swapBrowserDocShells(aOurTab, otherBrowser);
             }
 
-            // Handle findbar data (if any)
-            let otherFindBar = aOtherTab._findBar;
-            if (otherFindBar &&
-                otherFindBar.findMode == otherFindBar.FIND_NORMAL) {
-              let ourFindBar = this.getFindBar(aOurTab);
-              ourFindBar._findField.value = otherFindBar._findField.value;
-              if (!otherFindBar.hidden) {
-                ourFindBar.onFindCommand();
-              }
-            }
-
             // Finish tearing down the tab that's going away.
             remoteBrowser._endRemoveTab(aOtherTab);
 
@@ -2333,6 +2365,10 @@
             // of replaceTabWithWindow), notify onLocationChange, etc.
             if (aOurTab.selected)
               this.updateCurrentBrowser(true);
+
+            if (modifiedAttrs.length) {
+              this._tabAttrModified(aOurTab, modifiedAttrs);
+            }
           ]]>
         </body>
       </method>
@@ -2385,8 +2421,7 @@
           <![CDATA[
             // If the current URI is registered as open remove it from the list.
             if (aOurBrowser.registeredOpenURI) {
-              this._placesAutocomplete.unregisterOpenPage(aOurBrowser.registeredOpenURI,
-                                                          aOurBrowser.getAttribute("usercontextid") || 0);
+              this._placesAutocomplete.unregisterOpenPage(aOurBrowser.registeredOpenURI);
               delete aOurBrowser.registeredOpenURI;
             }
 
@@ -2419,7 +2454,10 @@
         <parameter name="aTab"/>
         <body>
           <![CDATA[
-            this.getBrowserForTab(aTab).reload();
+            let browser = this.getBrowserForTab(aTab);
+            // Reset DOS mitigation for basic auth prompt
+            delete browser.authPromptCounter;
+            browser.reload();
           ]]>
         </body>
       </method>
@@ -2873,6 +2911,21 @@
                 onget="return this.mCurrentBrowser.currentURI;"
                 readonly="true"/>
 
+      <field name="_fastFind">null</field>
+      <property name="fastFind"
+                readonly="true">
+        <getter>
+        <![CDATA[
+          if (!this._fastFind) {
+            this._fastFind = Components.classes["@mozilla.org/typeaheadfind;1"]
+                                       .createInstance(Components.interfaces.nsITypeAheadFind);
+            this._fastFind.init(this.docShell);
+          }
+          return this._fastFind;
+        ]]>
+        </getter>
+      </property>
+
       <field name="_lastSearchString">null</field>
       <field name="_lastSearchHighlight">false</field>
 
@@ -2982,19 +3035,6 @@
                 onget="return this.mCurrentBrowser.docShell"
                 readonly="true"/>
 
-      <property name="messageManager"
-                readonly="true">
-        <getter>
-          <![CDATA[
-            let frameLoader = this.mCurrentBrowser.frameLoader;
-            if (!frameLoader) {
-              return null;
-            }
-            return frameLoader.messageManager;
-          ]]>
-        </getter>
-      </property>
-
       <property name="webNavigation"
                 onget="return this.mCurrentBrowser.webNavigation"
                 readonly="true"/>
@@ -3129,9 +3169,25 @@
             event.preventDefault();
             return;
           }
-          event.target.setAttribute("label", tab.mOverCloseButton ?
-                                             tab.getAttribute("closetabtext") :
-                                             tab.getAttribute("label"));
+
+          var stringID, label;
+          if (tab.mOverCloseButton) {
+            stringID = "tabs.closeTab";
+          } else if (tab._overPlayingIcon) {
+            if (tab.linkedBrowser.audioBlocked) {
+              stringID = "tabs.unblockAudio.tooltip";
+            } else {
+              stringID = tab.linkedBrowser.audioMuted ?
+                "tabs.unmuteAudio.tooltip" :
+                "tabs.muteAudio.tooltip";
+            }
+          } else {
+            label = tab.getAttribute("label");
+          }
+          if (stringID && !label) {
+            label = this.mStringBundle.getString(stringID);
+          }
+          event.target.setAttribute("label", label);
         ]]></body>
       </method>
 
@@ -3176,28 +3232,6 @@
               window.focus();
               break;
             }
-            case "Findbar:Keypress":
-              let tab = this.getTabForBrowser(browser);
-              // If the find bar for this tab is not yet alive, only initialize
-              // it if there's a possibility FindAsYouType will be used.
-              // There's no point in doing it for most random keypresses.
-              if (!this.isFindBarInitialized(tab) &&
-                aMessage.data.shouldFastFind) {
-                let shouldFastFind = this._findAsYouType;
-                if (!shouldFastFind) {
-                  // Please keep in sync with toolkit/content/widgets/findbar.xml
-                  const FAYT_LINKS_KEY = "'";
-                  const FAYT_TEXT_KEY = "/";
-                  let charCode = aMessage.data.fakeEvent.charCode;
-                  let key = charCode ? String.fromCharCode(charCode) : null;
-                  shouldFastFind = key == FAYT_LINKS_KEY || key == FAYT_TEXT_KEY;
-                }
-                if (shouldFastFind) {
-                  // Make sure we return the result.
-                  return this.getFindBar(tab).receiveMessage(aMessage);
-                }
-              }
-              break;
           }
         ]]></body>
       </method>
@@ -3264,11 +3298,6 @@
                                               this.mCurrentBrowser);
           }
           messageManager.addMessageListener("DOMWebNotificationClicked", this);
-
-          // To correctly handle keypresses for potential FindAsYouType, while
-          // the tab's find bar is not yet initialized.
-          this._findAsYouType = Services.prefs.getBoolPref("accessibility.typeaheadfind");
-          messageManager.addMessageListener("Findbar:Keypress", this);
         ]]>
       </constructor>
 
@@ -3302,8 +3331,7 @@
           for (var i = 0; i < this.mTabListeners.length; ++i) {
             let browser = this.getBrowserAtIndex(i);
             if (browser.registeredOpenURI) {
-              this._placesAutocomplete.unregisterOpenPage(browser.registeredOpenURI,
-                                                          browser.getAttribute("usercontextid") || 0);
+              this._placesAutocomplete.unregisterOpenPage(browser.registeredOpenURI);
               delete browser.registeredOpenURI;
             }
             browser.webProgress.removeProgressListener(this.mTabFilters[i]);
@@ -3372,6 +3400,7 @@
         ]]>
         </getter>
       </property>
+      <field name="_soundPlayingAttrRemovalTimer">0</field>
     </implementation>
 
     <handlers>
@@ -3419,6 +3448,78 @@
             tab.setAttribute("titlechanged", "true");
         ]]>
       </handler>
+      <handler event="DOMAudioPlaybackStarted">
+        <![CDATA[
+          var tab = getTabFromAudioEvent(event)
+          if (!tab) {
+            return;
+          }
+
+          clearTimeout(tab._soundPlayingAttrRemovalTimer);
+          tab._soundPlayingAttrRemovalTimer = 0;
+
+          let modifiedAttrs = [];
+          if (tab.hasAttribute("soundplaying-scheduledremoval")) {
+            tab.removeAttribute("soundplaying-scheduledremoval");
+            modifiedAttrs.push("soundplaying-scheduledremoval");
+          }
+
+          if (!tab.hasAttribute("soundplaying")) {
+            tab.setAttribute("soundplaying", true);
+            modifiedAttrs.push("soundplaying");
+          }
+
+          this._tabAttrModified(tab, modifiedAttrs);
+        ]]>
+      </handler>
+      <handler event="DOMAudioPlaybackStopped">
+        <![CDATA[
+          var tab = getTabFromAudioEvent(event)
+          if (!tab) {
+            return;
+          }
+
+          if (tab.hasAttribute("soundplaying")) {
+            let removalDelay = Services.prefs.getIntPref("browser.tabs.delayHidingAudioPlayingIconMS");
+
+            tab.style.setProperty("--soundplaying-removal-delay", `${removalDelay - 300}ms`);
+            tab.setAttribute("soundplaying-scheduledremoval", "true");
+            this._tabAttrModified(tab, ["soundplaying-scheduledremoval"]);
+
+            tab._soundPlayingAttrRemovalTimer = setTimeout(() => {
+              tab.removeAttribute("soundplaying-scheduledremoval");
+              tab.removeAttribute("soundplaying");
+              this._tabAttrModified(tab, ["soundplaying", "soundplaying-scheduledremoval"]);
+            }, removalDelay);
+          }
+        ]]>
+      </handler>
+      <handler event="DOMAudioPlaybackBlockStarted">
+        <![CDATA[
+          var tab = getTabFromAudioEvent(event)
+          if (!tab) {
+            return;
+          }
+
+          if (!tab.hasAttribute("blocked")) {
+            tab.setAttribute("blocked", true);
+            this._tabAttrModified(tab, ["blocked"]);
+          }
+        ]]>
+      </handler>
+      <handler event="DOMAudioPlaybackBlockStopped">
+        <![CDATA[
+          var tab = getTabFromAudioEvent(event)
+          if (!tab) {
+            return;
+          }
+
+          if (tab.hasAttribute("blocked")) {
+            tab.removeAttribute("blocked");
+            this._tabAttrModified(tab, ["blocked"]);
+          }
+        ]]>
+      </handler>
     </handlers>
   </binding>
 
@@ -3523,7 +3624,6 @@
           tab.setAttribute("onerror", "this.removeAttribute('image');");
           this.adjustTabstrip();
 
-          Services.prefs.addObserver("accessibility.typeaheadfind", this._prefObserver, false);
           Services.prefs.addObserver("browser.tabs.", this._prefObserver, false);
           window.addEventListener("resize", this, false);
           window.addEventListener("load", this, false);
@@ -3539,7 +3639,6 @@
 
       <destructor>
         <![CDATA[
-          Services.prefs.removeObserver("accessibility.typeaheadfind", this._prefObserver);
           Services.prefs.removeObserver("browser.tabs.", this._prefObserver);
         ]]>
       </destructor>
@@ -3605,9 +3704,6 @@
 
         observe: function (subject, topic, data) {
           switch (data) {
-            case "accessibility.typeaheadfind":
-              this._findAsYouType = Services.prefs.getBoolPref(data);
-              break;
             case "browser.tabs.closeButtons":
               this.tabContainer.mCloseButtons = Services.prefs.getIntPref(data);
               this.tabContainer.adjustTabstrip();
@@ -4214,7 +4310,11 @@
             this._fillTrailingGap();
             this._handleTabSelect();
           } else {
-            this._notifyBackgroundTab(tab);
+            if (tab.hasAttribute("skipbackgroundnotify")) {
+              tab.removeAttribute("skipbackgroundnotify");
+            } else {
+              this._notifyBackgroundTab(tab);
+            }
           }
 
           // XXXmano: this is a temporary workaround for bug 345399
@@ -4356,17 +4456,76 @@
             event.originalTarget.localName != "box")
           return;
 
-        // See hack note in the tabbrowser-close-tab-button binding
+        // See comments in the "mousedown" and "click" event handlers of the
+        // tabbrowser-tabs binding.
         if (!this._blockDblClick)
           BrowserOpenTab();
 
         event.preventDefault();
       ]]></handler>
 
-      <handler event="click"><![CDATA[
-        if (event.button != 1)
-          return;
+      <!-- Consider that the in-tab close button is only shown on the active
+           tab. When clicking on an inactive tab at the position where the
+           close button will appear during the click, no "click" event will be
+           dispatched, because the mousedown and mouseup events don't have the
+           same event target. For that reason use "mousedown" instead of "click"
+           to implement in-tab close button behavior. (Pale Moon UXP issue #775)
+      -->
+      <handler event="mousedown" button="0" phase="capturing"><![CDATA[
+        /* The only sequence in which a second click event (i.e. dblclik)
+         * can be dispatched on an in-tab close button is when it is shown
+         * after the first click (i.e. the first click event was dispatched
+         * on the tab). This happens when we show the close button only on
+         * the active tab. (bug 352021)
+         * The only sequence in which a third click event can be dispatched
+         * on an in-tab close button is when the tab was opened with a
+         * double click on the tabbar. (bug 378344)
+         * In both cases, it is most likely that the close button area has
+         * been accidentally clicked, therefore we do not close the tab.
+         *
+         * We don't want to ignore processing of more than one click event,
+         * though, since the user might actually be repeatedly clicking to
+         * close many tabs at once.
+         *
+         * Also prevent errant doubleclick on the close button from opening
+         * a new tab (bug 343628):
+         * Since we're removing the event target, if the user double-clicks
+         * the button, the dblclick event will be dispatched with the tabbar
+         * as its event target (and explicit/originalTarget), which treats
+         * that as a mouse gesture for opening a new tab.
+         * In this context, we're manually blocking the dblclick event.
+         */
+
+        // Reset flags at the beginning of a series of clicks:
+        if (event.detail == 1) {
+          this.flagClickOnCloseButton = false;
+          this.flagActivateTabOrClickOnTabbar = false;
+        }
+
+        this.blockCloseButtonOnDblclick = this.flagActivateTabOrClickOnTabbar;
+        this._blockDblClick = this.flagClickOnCloseButton;
 
+        // Set flags:
+        let eventTargetIsCloseButton =
+            event.originalTarget.classList.contains("tab-close-button");
+        this.flagClickOnCloseButton = eventTargetIsCloseButton;
+        this.flagActivateTabOrClickOnTabbar =
+            ((!eventTargetIsCloseButton && event.detail == 1) ||
+             event.originalTarget.localName == "box");
+      ]]></handler>
+
+      <handler event="click" button="0"><![CDATA[
+        // See comment in the "mousedown" event handler of the
+        // tabbrowser-tabs binding.
+        if (event.originalTarget.classList.contains("tab-close-button") &&
+            !this.blockCloseButtonOnDblclick) {
+          gBrowser.removeTab(document.getBindingParent(event.originalTarget),
+                             {animate: true, byMouse: true,});
+          this._blockDblClick = true;
+        }
+      ]]></handler>
+
+      <handler event="click" button="1"><![CDATA[
         if (event.target.localName == "tab") {
           if (this.childNodes.length > 1 || !this._closeWindowWithLastTab)
             this.tabbrowser.removeTab(event.target, {animate: true, byMouse: true});
@@ -4631,8 +4790,6 @@
             inBackground = !inBackground;
 
           let targetTab = this._getDragTargetTab(event);
-          let userContextId = this.selectedItem
-                              .getAttribute("usercontextid") || 0;
           let replace = !(!targetTab || dropEffect == "copy");
           let newIndex = this._getDropIndex(event);
           let urls = links.map(link => link.url);
@@ -4642,7 +4799,6 @@
             allowThirdPartyFixup: true,
             targetTab,
             newIndex,
-            userContextId,
           });
         }
 
@@ -4739,63 +4895,6 @@
   <binding id="tabbrowser-close-tab-button"
            extends="chrome://global/content/bindings/toolbarbutton.xml#toolbarbutton-image">
     <handlers>
-      <handler event="click" button="0"><![CDATA[
-        var bindingParent = document.getBindingParent(this);
-        var tabContainer = bindingParent.parentNode;
-        /* The only sequence in which a second click event (i.e. dblclik)
-         * can be dispatched on an in-tab close button is when it is shown
-         * after the first click (i.e. the first click event was dispatched
-         * on the tab). This happens when we show the close button only on
-         * the active tab. (bug 352021)
-         * The only sequence in which a third click event can be dispatched
-         * on an in-tab close button is when the tab was opened with a
-         * double click on the tabbar. (bug 378344)
-         * In both cases, it is most likely that the close button area has
-         * been accidentally clicked, therefore we do not close the tab.
-         *
-         * We don't want to ignore processing of more than one click event,
-         * though, since the user might actually be repeatedly clicking to
-         * close many tabs at once.
-         */
-        if (event.detail > 1 && !this._ignoredClick) {
-          this._ignoredClick = true;
-          return;
-        }
-
-        // Reset the "ignored click" flag
-        this._ignoredClick = false;
-
-        tabContainer.tabbrowser.removeTab(bindingParent, {animate: true, byMouse: true});
-        tabContainer._blockDblClick = true;
-
-        /* XXXmano hack (see bug 343628):
-         * Since we're removing the event target, if the user
-         * double-clicks this button, the dblclick event will be dispatched
-         * with the tabbar as its event target (and explicit/originalTarget),
-         * which treats that as a mouse gesture for opening a new tab.
-         * In this context, we're manually blocking the dblclick event
-         * (see dblclick handler).
-         */
-        var clickedOnce = false;
-        function enableDblClick(event) {
-          var target = event.originalTarget;
-          if (target.className == 'tab-close-button')
-            target._ignoredClick = true;
-          if (!clickedOnce) {
-            clickedOnce = true;
-            return;
-          }
-          tabContainer._blockDblClick = false;
-          tabContainer.removeEventListener("click", enableDblClick, true);
-        }
-        tabContainer.addEventListener("click", enableDblClick, true);
-      ]]></handler>
-
-      <handler event="dblclick" button="0" phase="capturing">
-        // for the one-close-button case
-        event.stopPropagation();
-      </handler>
-
       <handler event="dragstart">
         event.stopPropagation();
       </handler>
@@ -4829,10 +4928,18 @@
                      class="tab-icon-image"
                      role="presentation"
                      anonid="tab-icon"/>
+          <xul:image xbl:inherits="busy,soundplaying,soundplaying-scheduledremoval,pinned,muted,blocked,selected"
+                     anonid="overlay-icon"
+                     class="tab-icon-overlay"
+                     role="presentation"/>
           <xul:label flex="1"
                      xbl:inherits="value=label,crop,accesskey,fadein,pinned,selected"
                      class="tab-text tab-label"
                      role="presentation"/>
+          <xul:image xbl:inherits="soundplaying,soundplaying-scheduledremoval,pinned,muted,blocked,selected"
+                     anonid="soundplaying-icon"
+                     class="tab-icon-sound"
+                     role="presentation"/>
           <xul:toolbarbutton anonid="close-button"
                              xbl:inherits="fadein,pinned,selected"
                              class="tab-close-button close-icon"/>
@@ -4853,9 +4960,59 @@
       </property>
 
       <field name="mOverCloseButton">false</field>
+      <property name="_overPlayingIcon" readonly="true">
+        <getter><![CDATA[
+          let iconVisible = this.hasAttribute("soundplaying") ||
+                            this.hasAttribute("muted") ||
+                            this.hasAttribute("blocked");
+          let soundPlayingIcon =
+            document.getAnonymousElementByAttribute(this, "anonid", "soundplaying-icon");
+          let overlayIcon =
+            document.getAnonymousElementByAttribute(this, "anonid", "overlay-icon");
+
+          return soundPlayingIcon && soundPlayingIcon.matches(":hover") ||
+                 (overlayIcon && overlayIcon.matches(":hover") && iconVisible);
+        ]]></getter>
+      </property>
       <field name="mCorrespondingMenuitem">null</field>
       <field name="closing">false</field>
       <field name="lastAccessed">0</field>
+      
+      <method name="toggleMuteAudio">
+        <parameter name="aMuteReason"/>
+        <body>
+        <![CDATA[
+          let tabContainer = this.parentNode;
+          let browser = this.linkedBrowser;
+          let modifiedAttrs = [];
+          if (browser.audioBlocked) {
+            this.removeAttribute("blocked");
+            modifiedAttrs.push("blocked");
+
+            // We don't want sound icon flickering between "blocked", "none" and
+            // "sound-playing", here adding the "soundplaying" is to keep the
+            // transition smoothly.
+            if (!this.hasAttribute("soundplaying")) {
+              this.setAttribute("soundplaying", true);
+              modifiedAttrs.push("soundplaying");
+            }
+
+            browser.resumeMedia();
+          } else {
+            if (browser.audioMuted) {
+              browser.unmute();
+              this.removeAttribute("muted");
+            } else {
+              browser.mute();
+              this.setAttribute("muted", "true");
+            }
+            this.muteReason = aMuteReason || null;
+            modifiedAttrs.push("muted");
+          }
+          tabContainer.tabbrowser._tabAttrModified(this, modifiedAttrs);
+        ]]>
+        </body>
+      </method>
     </implementation>
 
     <handlers>
@@ -4914,7 +5071,8 @@
         if (this.selected) {
           this.style.MozUserFocus = 'ignore';
           this.clientTop; // just using this to flush style updates
-        } else if (this.mOverCloseButton) {
+        } else if (this.mOverCloseButton ||
+                   this._overPlayingIcon) {
           // Prevent tabbox.xml from selecting the tab.
           event.stopPropagation();
         }
@@ -4923,6 +5081,17 @@
       <handler event="mouseup">
         this.style.MozUserFocus = '';
       </handler>
+      <handler event="click">
+      <![CDATA[
+        if (event.button != 0) {
+          return;
+        }
+
+        if (this._overPlayingIcon) {
+          this.toggleMuteAudio();
+        }
+      ]]>
+      </handler>
     </handlers>
   </binding>
 
@@ -5028,6 +5197,24 @@
             aMenuitem.setAttribute("selected", "true");
           else
             aMenuitem.removeAttribute("selected");
+
+          function addEndImage() {
+            let endImage = document.createElement("image");
+            endImage.setAttribute("class", "allTabs-endimage");
+            let endImageContainer = document.createElement("hbox");
+            endImageContainer.setAttribute("align", "center");
+            endImageContainer.setAttribute("pack", "center");
+            endImageContainer.appendChild(endImage);
+            aMenuitem.appendChild(endImageContainer);
+            return endImage;
+          }
+
+          if (aMenuitem.firstChild)
+            aMenuitem.firstChild.remove();
+          if (aTab.hasAttribute("muted"))
+            addEndImage().setAttribute("muted", "true");
+          else if (aTab.hasAttribute("soundplaying"))
+            addEndImage().setAttribute("soundplaying", "true");
         ]]></body>
       </method>
     </implementation>
diff --git a/application/palemoon/base/content/urlbarBindings.xml b/application/palemoon/base/content/urlbarBindings.xml
index d188e6658..d2d9cc720 100644
--- a/application/palemoon/base/content/urlbarBindings.xml
+++ b/application/palemoon/base/content/urlbarBindings.xml
@@ -302,6 +302,10 @@
               // but don't let that interfere with the loading of the url.
               Cu.reportError(ex);
             }
+            
+            // Reset DOS mitigations for the basic auth prompt.
+            let browser = gBrowser.selectedBrowser;
+            delete browser.authPromptCounter;
 
             function loadCurrent() {
               let flags = Ci.nsIWebNavigation.LOAD_FLAGS_ALLOW_THIRD_PARTY_FIXUP;
diff --git a/application/palemoon/base/content/utilityOverlay.js b/application/palemoon/base/content/utilityOverlay.js
index 2c1a95f83..c2a8baeed 100644
--- a/application/palemoon/base/content/utilityOverlay.js
+++ b/application/palemoon/base/content/utilityOverlay.js
@@ -75,16 +75,6 @@ function openTopWin(url) {
   openUILinkIn(url, "current");
 }
 
-function getBoolPref(prefname, def)
-{
-  try {
-    return Services.prefs.getBoolPref(prefname);
-  }
-  catch(er) {
-    return def;
-  }
-}
-
 /* openUILink handles clicks on UI elements that cause URLs to load.
  *
  * As the third argument, you may pass an object with the same properties as
@@ -151,7 +141,7 @@ function whereToOpenLink( e, ignoreButton, ignoreAlt )
 
   // ignoreButton allows "middle-click paste" to use function without always opening in a new window.
   var middle = !ignoreButton && e.button == 1;
-  var middleUsesTabs = getBoolPref("browser.tabs.opentabfor.middleclick", true);
+  var middleUsesTabs = Services.prefs.getBoolPref("browser.tabs.opentabfor.middleclick", true);
 
   // Don't do anything special with right-mouse clicks.  They're probably clicks on context menu items.
 
@@ -162,7 +152,7 @@ function whereToOpenLink( e, ignoreButton, ignoreAlt )
 #endif
     return shift ? "tabshifted" : "tab";
 
-  if (alt && getBoolPref("browser.altClickSave", false))
+  if (alt && Services.prefs.getBoolPref("browser.altClickSave", false))
     return "save";
 
   if (shift || (middle && !middleUsesTabs))
@@ -334,7 +324,7 @@ function openLinkIn(url, where, params) {
   if (loadInBackground == null) {
     loadInBackground = aFromChrome ?
                          false :
-                         getBoolPref("browser.tabs.loadInBackground");
+                         Services.prefs.getBoolPref("browser.tabs.loadInBackground");
   }
 
   let uriObj;
@@ -515,7 +505,7 @@ function getShellService()
 
 function isBidiEnabled() {
   // first check the pref.
-  if (getBoolPref("bidi.browser.ui", false))
+  if (Services.prefs.getBoolPref("bidi.browser.ui", false))
     return true;
 
   // if the pref isn't set, check for an RTL locale and force the pref to true
@@ -541,6 +531,117 @@ function isBidiEnabled() {
   return rv;
 }
 
+#ifdef MOZ_UPDATER
+/**
+ * Opens the update manager and checks for updates to the application.
+ */
+function checkForUpdates()
+{
+  var um =
+      Components.classes["@mozilla.org/updates/update-manager;1"].
+      getService(Components.interfaces.nsIUpdateManager);
+  var prompter =
+      Components.classes["@mozilla.org/updates/update-prompt;1"].
+      createInstance(Components.interfaces.nsIUpdatePrompt);
+
+  // If there's an update ready to be applied, show the "Update Downloaded"
+  // UI instead and let the user know they have to restart the application for
+  // the changes to be applied.
+  if (um.activeUpdate && um.activeUpdate.state == "pending")
+    prompter.showUpdateDownloaded(um.activeUpdate);
+  else
+    prompter.checkForUpdates();
+}
+#endif
+
+/**
+ * Set up the help menu software update items to show proper status,
+ * also disabling the items if update is disabled.
+ */
+function buildHelpMenu()
+{
+#ifdef MOZ_UPDATER
+  var updates =
+      Components.classes["@mozilla.org/updates/update-service;1"].
+      getService(Components.interfaces.nsIApplicationUpdateService);
+  var um =
+      Components.classes["@mozilla.org/updates/update-manager;1"].
+      getService(Components.interfaces.nsIUpdateManager);
+
+  // Disable the UI if the update enabled pref has been locked by the
+  // administrator or if we cannot update for some other reason.
+  var checkForUpdates = document.getElementById("checkForUpdates");
+  var appMenuCheckForUpdates = document.getElementById("appmenu_checkForUpdates");
+  var canCheckForUpdates = updates.canCheckForUpdates;
+  checkForUpdates.setAttribute("disabled", !canCheckForUpdates);
+  appMenuCheckForUpdates.setAttribute("disabled", !canCheckForUpdates);
+  if (!canCheckForUpdates)
+    return;
+
+  var strings = document.getElementById("bundle_browser");
+  var activeUpdate = um.activeUpdate;
+
+  // If there's an active update, substitute its name into the label
+  // we show for this item, otherwise display a generic label.
+  function getStringWithUpdateName(key) {
+    if (activeUpdate && activeUpdate.name)
+      return strings.getFormattedString(key, [activeUpdate.name]);
+    return strings.getString(key + "Fallback");
+  }
+
+  // By default, show "Check for Updates..." from updatesItem_default or
+  // updatesItem_defaultFallback
+  var key = "default";
+  if (activeUpdate) {
+    switch (activeUpdate.state) {
+    case "downloading":
+      // If we're downloading an update at present, show the text:
+      // "Downloading Thunderbird x.x..." from updatesItem_downloading or
+      // updatesItem_downloadingFallback, otherwise we're paused, and show
+      // "Resume Downloading Thunderbird x.x..." from updatesItem_resume or
+      // updatesItem_resumeFallback
+      key = updates.isDownloading ? "downloading" : "resume";
+      break;
+    case "pending":
+      // If we're waiting for the user to restart, show: "Apply Downloaded
+      // Updates Now..." from updatesItem_pending or
+      // updatesItem_pendingFallback
+      key = "pending";
+      break;
+    }
+  }
+
+  checkForUpdates.label = getStringWithUpdateName("updatesItem_" + key);
+  appMenuCheckForUpdates.label = getStringWithUpdateName("updatesItem_" + key);
+  // updatesItem_default.accesskey, updatesItem_downloading.accesskey,
+  // updatesItem_resume.accesskey or updatesItem_pending.accesskey
+  checkForUpdates.accessKey = strings.getString("updatesItem_" + key +
+                                                ".accesskey");
+  appMenuCheckForUpdates.accessKey = strings.getString("updatesItem_" + key +
+                                                       ".accesskey");
+  if (um.activeUpdate && updates.isDownloading) {
+    checkForUpdates.setAttribute("loading", "true");
+    appMenuCheckForUpdates.setAttribute("loading", "true");  
+  } else {
+    checkForUpdates.removeAttribute("loading");
+    appMenuCheckForUpdates.removeAttribute("loading");
+  }
+#else
+#ifndef XP_MACOSX
+  // Some extensions may rely on these being present so only hide the about
+  // separator when there are no elements besides the check for updates menuitem
+  // in between the about separator and the updates separator.
+  var updatesSeparator = document.getElementById("updatesSeparator");
+  var aboutSeparator = document.getElementById("aboutSeparator");
+  var checkForUpdates = document.getElementById("checkForUpdates");
+  if (updatesSeparator.nextSibling === checkForUpdates &&
+      checkForUpdates.nextSibling === aboutSeparator)
+    updatesSeparator.hidden = true;
+#endif
+#endif
+}
+
+
 function openAboutDialog() {
   var enumerator = Services.wm.getEnumerator("Browser:About");
   while (enumerator.hasMoreElements()) {
@@ -562,7 +663,7 @@ function openAboutDialog() {
 
 function openPreferences(paneID, extraArgs)
 {
-  var instantApply = getBoolPref("browser.preferences.instantApply", false);
+  var instantApply = Services.prefs.getBoolPref("browser.preferences.instantApply", false);
   var features = "chrome,titlebar,toolbar,centerscreen" + (instantApply ? ",dialog=no" : ",modal");
 
   var win = Services.wm.getMostRecentWindow("Browser:Preferences");
@@ -743,7 +844,7 @@ function openHelpLink(aHelpTopic, aCalledFromModal) {
 function openPrefsHelp() {
   // non-instant apply prefwindows are usually modal, so we can't open in the topmost window, 
   // since its probably behind the window.
-  var instantApply = getBoolPref("browser.preferences.instantApply");
+  var instantApply = Services.prefs.getBoolPref("browser.preferences.instantApply");
 
   var helpTopic = document.getElementsByTagName("prefwindow")[0].currentPane.helpTopic;
   openHelpLink(helpTopic, !instantApply);
diff --git a/application/palemoon/base/jar.mn b/application/palemoon/base/jar.mn
index d8c3f4b21..735b6d0cf 100644
--- a/application/palemoon/base/jar.mn
+++ b/application/palemoon/base/jar.mn
@@ -2,135 +2,78 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 browser.jar:
-%  content browser %content/browser/ contentaccessible=yes
+% content browser %content/browser/ contentaccessible=yes
 #ifdef XP_MACOSX
-%  overlay chrome://mozapps/content/downloads/downloads.xul chrome://browser/content/downloadManagerOverlay.xul
-%  overlay chrome://global/content/console.xul chrome://browser/content/jsConsoleOverlay.xul
-%  overlay chrome://mozapps/content/update/updates.xul chrome://browser/content/softwareUpdateOverlay.xul
+% overlay chrome://mozapps/content/downloads/downloads.xul chrome://browser/content/downloadManagerOverlay.xul
+% overlay chrome://global/content/console.xul chrome://browser/content/jsConsoleOverlay.xul
+% overlay chrome://mozapps/content/update/updates.xul chrome://browser/content/softwareUpdateOverlay.xul
 #endif
 #ifdef XP_WIN
-%  overlay chrome://browser/content/browser.xul chrome://browser/content/win6BrowserOverlay.xul os=WINNT osversion>=6
+% overlay chrome://browser/content/browser.xul chrome://browser/content/win6BrowserOverlay.xul os=WINNT osversion>=6
 #endif
-%  overlay chrome://global/content/viewSource.xul chrome://browser/content/viewSourceOverlay.xul
-%  overlay chrome://global/content/viewPartialSource.xul chrome://browser/content/viewSourceOverlay.xul
-%  style chrome://global/content/customizeToolbar.xul chrome://browser/content/browser.css
-%  style chrome://global/content/customizeToolbar.xul chrome://browser/skin/
-*       content/browser/aboutDialog.xul               (content/aboutDialog.xul)
-*       content/browser/aboutDialog.js                (content/aboutDialog.js)
-        content/browser/aboutDialog.css               (content/aboutDialog.css)
-        content/browser/aboutRobots.xhtml             (content/aboutRobots.xhtml)
-        content/browser/abouthome/aboutHome.xhtml     (content/abouthome/aboutHome.xhtml)
-        content/browser/abouthome/aboutHome.js        (content/abouthome/aboutHome.js)
-*       content/browser/abouthome/aboutHome.css       (content/abouthome/aboutHome.css)
-        content/browser/abouthome/noise.png           (content/abouthome/noise.png)
-        content/browser/abouthome/snippet1.png        (content/abouthome/snippet1.png)
-        content/browser/abouthome/snippet2.png        (content/abouthome/snippet2.png)
-        content/browser/abouthome/downloads.png       (content/abouthome/downloads.png)
-        content/browser/abouthome/bookmarks.png       (content/abouthome/bookmarks.png)
-        content/browser/abouthome/history.png         (content/abouthome/history.png)
-        content/browser/abouthome/addons.png          (content/abouthome/addons.png)
-        content/browser/abouthome/sync.png            (content/abouthome/sync.png)
-        content/browser/abouthome/settings.png        (content/abouthome/settings.png)
-        content/browser/abouthome/restore.png         (content/abouthome/restore.png)
-        content/browser/abouthome/restore-large.png   (content/abouthome/restore-large.png)
-        content/browser/abouthome/snippet1@2x.png      (content/abouthome/snippet1@2x.png)
-        content/browser/abouthome/snippet2@2x.png      (content/abouthome/snippet2@2x.png)
-        content/browser/abouthome/downloads@2x.png     (content/abouthome/downloads@2x.png)
-        content/browser/abouthome/bookmarks@2x.png     (content/abouthome/bookmarks@2x.png)
-        content/browser/abouthome/history@2x.png       (content/abouthome/history@2x.png)
-        content/browser/abouthome/addons@2x.png        (content/abouthome/addons@2x.png)
-        content/browser/abouthome/sync@2x.png          (content/abouthome/sync@2x.png)
-        content/browser/abouthome/settings@2x.png      (content/abouthome/settings@2x.png)
-        content/browser/abouthome/restore@2x.png       (content/abouthome/restore@2x.png)
-        content/browser/abouthome/restore-large@2x.png (content/abouthome/restore-large@2x.png)
-        content/browser/aboutRobots-icon.png          (content/aboutRobots-icon.png)
-        content/browser/aboutRobots-widget-left.png   (content/aboutRobots-widget-left.png)
-        content/browser/autorecovery.js               (content/autorecovery.js)
-        content/browser/autorecovery.xul              (content/autorecovery.xul)
-*       content/browser/browser.css                   (content/browser.css)
-        content/browser/browser-menudragging.xul      (content/browser-menudragging.xul)
-        content/browser/browser-menudragging.js       (content/browser-menudragging.js)
-        content/browser/browser-title.css             (content/browser-title.css)
-*       content/browser/browser.js                    (content/browser.js)
-*       content/browser/browser.xul                   (content/browser.xul)
+% overlay chrome://global/content/viewSource.xul chrome://browser/content/viewSourceOverlay.xul
+% overlay chrome://global/content/viewPartialSource.xul chrome://browser/content/viewSourceOverlay.xul
+% style chrome://global/content/customizeToolbar.xul chrome://browser/content/browser.css
+% style chrome://global/content/customizeToolbar.xul chrome://browser/skin/
+* content/browser/aboutDialog.xul               (content/aboutDialog.xul)
+* content/browser/aboutDialog.js                (content/aboutDialog.js)
+  content/browser/aboutDialog.css               (content/aboutDialog.css)
+  content/browser/autorecovery.js               (content/autorecovery.js)
+  content/browser/autorecovery.xul              (content/autorecovery.xul)
+* content/browser/browser.css                   (content/browser.css)
+  content/browser/browser-menudragging.xul      (content/browser-menudragging.xul)
+  content/browser/browser-menudragging.js       (content/browser-menudragging.js)
+  content/browser/browser-title.css             (content/browser-title.css)
+* content/browser/browser.js                    (content/browser.js)
+* content/browser/browser.xul                   (content/browser.xul)
 #ifdef MOZ_DEVTOOLS
-        content/browser/browser-devtools-theme.js     (content/browser-devtools-theme.js)
+  content/browser/browser-devtools-theme.js     (content/browser-devtools-theme.js)
 #endif
-*       content/browser/browser-tabPreviews.xml       (content/browser-tabPreviews.xml)
-        content/browser/content.js                    (content/content.js)
-        content/browser/padlock.xul                   (content/padlock.xul)
-        content/browser/padlock.js                    (content/padlock.js)
-        content/browser/padlock.css                   (content/padlock.css)
-        content/browser/padlock_mod_ev.png            (content/padlock_mod_ev.png)
-        content/browser/padlock_mod_https.png         (content/padlock_mod_https.png)
-        content/browser/padlock_mod_low.png           (content/padlock_mod_low.png)
-        content/browser/padlock_mod_broken.png        (content/padlock_mod_broken.png)
-        content/browser/padlock_classic_ev.png        (content/padlock_classic_ev.png)
-        content/browser/padlock_classic_https.png     (content/padlock_classic_https.png)
-        content/browser/padlock_classic_low.png       (content/padlock_classic_low.png)
-        content/browser/padlock_classic_broken.png    (content/padlock_classic_broken.png)
-        content/browser/palemoon.xhtml                (content/palemoon.xhtml)
-        content/browser/newtab/newTab.xhtml           (content/newtab/newTab.xhtml)
-*       content/browser/newtab/newTab.js              (content/newtab/newTab.js)
-        content/browser/newtab/newTab.css             (content/newtab/newTab.css)
-*       content/browser/pageinfo/pageInfo.xul         (content/pageinfo/pageInfo.xul)
-        content/browser/pageinfo/pageInfo.js          (content/pageinfo/pageInfo.js)
-        content/browser/pageinfo/pageInfo.css         (content/pageinfo/pageInfo.css)
-        content/browser/pageinfo/pageInfo.xml         (content/pageinfo/pageInfo.xml)
-        content/browser/pageinfo/feeds.js             (content/pageinfo/feeds.js)
-        content/browser/pageinfo/feeds.xml            (content/pageinfo/feeds.xml)
-        content/browser/pageinfo/permissions.js       (content/pageinfo/permissions.js)
-        content/browser/pageinfo/security.js          (content/pageinfo/security.js)
-#ifdef MOZ_SERVICES_SYNC
-        content/browser/sync/aboutSyncTabs.xul        (content/sync/aboutSyncTabs.xul)
-        content/browser/sync/aboutSyncTabs.js         (content/sync/aboutSyncTabs.js)
-        content/browser/sync/aboutSyncTabs.css        (content/sync/aboutSyncTabs.css)
-        content/browser/sync/aboutSyncTabs-bindings.xml  (content/sync/aboutSyncTabs-bindings.xml)
-        content/browser/sync/setup.xul                (content/sync/setup.xul)
-        content/browser/sync/addDevice.js             (content/sync/addDevice.js)
-        content/browser/sync/addDevice.xul            (content/sync/addDevice.xul)
-        content/browser/sync/setup.js                 (content/sync/setup.js)
-        content/browser/sync/genericChange.xul        (content/sync/genericChange.xul)
-        content/browser/sync/genericChange.js         (content/sync/genericChange.js)
-        content/browser/sync/key.xhtml                (content/sync/key.xhtml)
-        content/browser/sync/notification.xml         (content/sync/notification.xml)
-        content/browser/sync/quota.xul                (content/sync/quota.xul)
-        content/browser/sync/quota.js                 (content/sync/quota.js)
-        content/browser/sync/utils.js                 (content/sync/utils.js)
-        content/browser/sync/progress.js              (content/sync/progress.js)
-        content/browser/sync/progress.xhtml           (content/sync/progress.xhtml)
-#endif
-        content/browser/openLocation.js               (content/openLocation.js)
-        content/browser/openLocation.xul              (content/openLocation.xul)
-        content/browser/safeMode.css                  (content/safeMode.css)
-        content/browser/safeMode.js                   (content/safeMode.js)
-*       content/browser/safeMode.xul                  (content/safeMode.xul)
-*       content/browser/sanitize.js                   (content/sanitize.js)
-*       content/browser/sanitize.xul                  (content/sanitize.xul)
-*       content/browser/sanitizeDialog.js             (content/sanitizeDialog.js)
-        content/browser/sanitizeDialog.css            (content/sanitizeDialog.css)
-        content/browser/autocomplete.css              (content/autocomplete.css)
-*       content/browser/autocomplete.xml              (content/autocomplete.xml)
-        content/browser/tabbrowser.css                (content/tabbrowser.css)
-*       content/browser/tabbrowser.xml                (content/tabbrowser.xml)
-*       content/browser/urlbarBindings.xml            (content/urlbarBindings.xml)
-*       content/browser/utilityOverlay.js             (content/utilityOverlay.js)
-        content/browser/web-panels.js                 (content/web-panels.js)
-*       content/browser/web-panels.xul                (content/web-panels.xul)
-*       content/browser/baseMenuOverlay.xul           (content/baseMenuOverlay.xul)
-*       content/browser/nsContextMenu.js              (content/nsContextMenu.js)
+* content/browser/browser-tabPreviews.xml       (content/browser-tabPreviews.xml)
+  content/browser/content.js                    (content/content.js)
+  content/browser/padlock.xul                   (content/padlock.xul)
+  content/browser/padlock.js                    (content/padlock.js)
+  content/browser/padlock.css                   (content/padlock.css)
+  content/browser/padlock_mod_ev.png            (content/padlock_mod_ev.png)
+  content/browser/padlock_mod_https.png         (content/padlock_mod_https.png)
+  content/browser/padlock_mod_low.png           (content/padlock_mod_low.png)
+  content/browser/padlock_mod_broken.png        (content/padlock_mod_broken.png)
+  content/browser/padlock_classic_ev.png        (content/padlock_classic_ev.png)
+  content/browser/padlock_classic_https.png     (content/padlock_classic_https.png)
+  content/browser/padlock_classic_low.png       (content/padlock_classic_low.png)
+  content/browser/padlock_classic_broken.png    (content/padlock_classic_broken.png)
+  content/browser/palemoon.xhtml                (content/palemoon.xhtml)
+  content/browser/openLocation.js               (content/openLocation.js)
+  content/browser/openLocation.xul              (content/openLocation.xul)
+  content/browser/safeMode.css                  (content/safeMode.css)
+  content/browser/safeMode.js                   (content/safeMode.js)
+* content/browser/safeMode.xul                  (content/safeMode.xul)
+* content/browser/sanitize.js                   (content/sanitize.js)
+* content/browser/sanitize.xul                  (content/sanitize.xul)
+* content/browser/sanitizeDialog.js             (content/sanitizeDialog.js)
+  content/browser/sanitizeDialog.css            (content/sanitizeDialog.css)
+  content/browser/autocomplete.css              (content/autocomplete.css)
+* content/browser/autocomplete.xml              (content/autocomplete.xml)
+  content/browser/tabbrowser.css                (content/tabbrowser.css)
+* content/browser/tabbrowser.xml                (content/tabbrowser.xml)
+* content/browser/urlbarBindings.xml            (content/urlbarBindings.xml)
+* content/browser/utilityOverlay.js             (content/utilityOverlay.js)
+  content/browser/web-panels.js                 (content/web-panels.js)
+* content/browser/web-panels.xul                (content/web-panels.xul)
+* content/browser/baseMenuOverlay.xul           (content/baseMenuOverlay.xul)
+* content/browser/nsContextMenu.js              (content/nsContextMenu.js)
 # XXX: We should exclude this one as well (bug 71895)
-*       content/browser/hiddenWindow.xul              (content/hiddenWindow.xul)
+* content/browser/hiddenWindow.xul              (content/hiddenWindow.xul)
 #ifdef XP_MACOSX
-*       content/browser/macBrowserOverlay.xul         (content/macBrowserOverlay.xul)
-*       content/browser/downloadManagerOverlay.xul    (content/downloadManagerOverlay.xul)
-*       content/browser/jsConsoleOverlay.xul          (content/jsConsoleOverlay.xul)
-*       content/browser/softwareUpdateOverlay.xul  (content/softwareUpdateOverlay.xul)
+* content/browser/macBrowserOverlay.xul         (content/macBrowserOverlay.xul)
+* content/browser/downloadManagerOverlay.xul    (content/downloadManagerOverlay.xul)
+* content/browser/jsConsoleOverlay.xul          (content/jsConsoleOverlay.xul)
+* content/browser/softwareUpdateOverlay.xul     (content/softwareUpdateOverlay.xul)
 #endif
-*       content/browser/viewSourceOverlay.xul         (content/viewSourceOverlay.xul)
+* content/browser/viewSourceOverlay.xul         (content/viewSourceOverlay.xul)
 #ifdef XP_WIN
-        content/browser/win6BrowserOverlay.xul        (content/win6BrowserOverlay.xul)
+  content/browser/win6BrowserOverlay.xul        (content/win6BrowserOverlay.xul)
 #endif
 # the following files are browser-specific overrides
-*       content/browser/license.html                  (/toolkit/content/license.html)
+* content/browser/license.html                  (/toolkit/content/license.html)
 % override chrome://global/content/license.html chrome://browser/content/license.html
diff --git a/application/palemoon/branding/official/branding.nsi b/application/palemoon/branding/official/branding.nsi
index 2b6dbe7bd..3bceda900 100644
--- a/application/palemoon/branding/official/branding.nsi
+++ b/application/palemoon/branding/official/branding.nsi
@@ -11,39 +11,6 @@
 !define BrandFullNameInternal "Pale Moon"
 !define CompanyName           "Moonchild Productions"
 !define URLInfoAbout          "http://www.palemoon.org/"
-!define URLUpdateInfo         "http://www.palemoon.org/releasenotes-ng.shtml"
-
-; The OFFICIAL define is a workaround to support different urls for Release and
-; Beta since they share the same branding when building with other branches that
-; set the update channel to beta.
-!define OFFICIAL
-!define URLStubDownload ""
-!define URLManualDownload "http://www.palemoon.org/download-ng.shtml"
-!define Channel "release"
-
-# The installer's certificate name and issuer expected by the stub installer
-# !define CertNameDownload   "Mozilla Corporation"
-# !define CertIssuerDownload "Thawte Code Signing CA - G2"
-
-# Dialog units are used so the UI displays correctly with the system's DPI
-# settings.
-# The dialog units for the bitmap's dimensions should match exactly with the
-# bitmap's width and height in pixels.
-!define APPNAME_BMP_WIDTH_DU "134u"
-!define APPNAME_BMP_HEIGHT_DU "36u"
-!define INTRO_BLURB_WIDTH_DU "258u"
-!define INTRO_BLURB_EDGE_DU "170u"
-!define INTRO_BLURB_LTR_TOP_DU "20u"
-!define INTRO_BLURB_RTL_TOP_DU "12u"
-
-# UI Colors that can be customized for each channel
-!define FOOTER_CONTROL_TEXT_COLOR_NORMAL 0x000033
-!define FOOTER_CONTROL_TEXT_COLOR_FADED 0x666699
-!define FOOTER_BKGRD_COLOR 0xFFFFFF
-!define INTRO_BLURB_TEXT_COLOR 0x666699
-!define OPTIONS_TEXT_COLOR_NORMAL 0x000000
-!define OPTIONS_TEXT_COLOR_FADED 0x666699
-!define OPTIONS_BKGRD_COLOR 0xF0F0F0
-!define INSTALL_BLURB_TEXT_COLOR 0x666699
-!define INSTALL_PROGRESS_TEXT_COLOR_NORMAL 0x666699
-!define INSTALL_PROGRESS_TEXT_COLOR_FADED 0x9999C0
+!define URLUpdateInfo         "http://www.palemoon.org/releasenotes.shtml"
+!define HelpLink              "http://www.palemoon.org/troubleshooting.shtml"
+!define URLSystemRequirements "http://www.palemoon.org/download.shtml"
diff --git a/application/palemoon/branding/official/content/about-background.jpg b/application/palemoon/branding/official/content/about-background.jpg
new file mode 100644
index 000000000..21e97986a
--- /dev/null
+++ b/application/palemoon/branding/official/content/about-background.jpg
diff --git a/application/palemoon/branding/official/content/about-background.png b/application/palemoon/branding/official/content/about-background.png
deleted file mode 100644
index 99dd74e58..000000000
--- a/application/palemoon/branding/official/content/about-background.png
+++ /dev/null
diff --git a/application/palemoon/branding/official/content/about-wordmark.png b/application/palemoon/branding/official/content/about-wordmark.png
index 5d51e1d4d..bf09f15a0 100644
--- a/application/palemoon/branding/official/content/about-wordmark.png
+++ b/application/palemoon/branding/official/content/about-wordmark.png
diff --git a/application/palemoon/branding/official/content/about-wordmark.svg b/application/palemoon/branding/official/content/about-wordmark.svg
index e0dcc255f..166ea2c37 100644
--- a/application/palemoon/branding/official/content/about-wordmark.svg
+++ b/application/palemoon/branding/official/content/about-wordmark.svg
@@ -9,24 +9,57 @@
    xmlns="http://www.w3.org/2000/svg"
    xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
    xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
-   width="245.75363"
-   height="34.463379"
+   width="314.56464"
+   height="44.113129"
    id="svg2"
    version="1.1"
-   inkscape:version="0.48.5 r10040"
-   sodipodi:docname="drawing.svg">
+   inkscape:version="0.92.1 r15371"
+   sodipodi:docname="about-wordmark.svg">
   <defs
-     id="defs4" />
+     id="defs4">
+    <filter
+       style="color-interpolation-filters:sRGB"
+       inkscape:label="Drop Shadow"
+       id="filter4610">
+      <feFlood
+         flood-opacity="1"
+         flood-color="rgb(252,252,247)"
+         result="flood"
+         id="feFlood4600" />
+      <feComposite
+         in="flood"
+         in2="SourceGraphic"
+         operator="in"
+         result="composite1"
+         id="feComposite4602" />
+      <feGaussianBlur
+         in="composite1"
+         stdDeviation="1"
+         result="blur"
+         id="feGaussianBlur4604" />
+      <feOffset
+         dx="2.77556e-017"
+         dy="0"
+         result="offset"
+         id="feOffset4606" />
+      <feComposite
+         in="SourceGraphic"
+         in2="offset"
+         operator="over"
+         result="composite2"
+         id="feComposite4608" />
+    </filter>
+  </defs>
   <sodipodi:namedview
      id="base"
-     pagecolor="#ffffff"
+     pagecolor="#000000"
      bordercolor="#666666"
      borderopacity="1.0"
-     inkscape:pageopacity="0.0"
+     inkscape:pageopacity="0"
      inkscape:pageshadow="2"
      inkscape:zoom="1.979899"
-     inkscape:cx="122.96783"
-     inkscape:cy="-35.932748"
+     inkscape:cx="140.32026"
+     inkscape:cy="-32.25665"
      inkscape:document-units="px"
      inkscape:current-layer="layer1"
      showgrid="false"
@@ -55,77 +88,91 @@
      inkscape:label="Layer 1"
      inkscape:groupmode="layer"
      id="layer1"
-     transform="translate(-51.826283,-53.778809)">
+     transform="translate(-29.067649,-53.687969)">
     <text
        xml:space="preserve"
-       style="font-size:48px;font-style:normal;font-weight:normal;line-height:125%;letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none;font-family:Museo 500;-inkscape-font-specification:Museo 500"
-       x="32.324883"
-       y="30.087807"
-       id="text2985"
-       sodipodi:linespacing="125%"><tspan
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+       x="34.479874"
+       y="32.093662"
+       id="text2985"><tspan
          sodipodi:role="line"
          id="tspan2987"
-         x="32.324883"
-         y="30.087807" /></text>
+         x="34.479874"
+         y="32.093662"
+         style="font-size:51.20000076px;line-height:1.25;stroke-width:1.06666672"> </tspan></text>
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        xml:space="preserve"
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+         id="flowRegion2991"
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            id="rect2993"
-           width="654.57886"
-           height="371.73615"
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diff --git a/application/palemoon/branding/official/content/aboutDialog.css b/application/palemoon/branding/official/content/aboutDialog.css
index dbf04ae0a..5bcc229e7 100644
--- a/application/palemoon/branding/official/content/aboutDialog.css
+++ b/application/palemoon/branding/official/content/aboutDialog.css
@@ -3,41 +3,51 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 #aboutPMDialogContainer {
-  background-image: url("chrome://branding/content/about-background.png");
+  background-image: url("chrome://branding/content/about-background.jpg");
   background-repeat: no-repeat;
-  background-color: #F7F7F7;
-  background-size: cover;
-  color: #000020; 
+  background-color: #9ABCD5;
+  color: #101020; 
 }
 
-#PMleftBox {
-  /* background-image: url("chrome://branding/content/about-logo.png"); */
+#aboutHeaderBox {
+  background-image: url("chrome://branding/content/about-wordmark.png");
   background-repeat: no-repeat;
-  /* min-width and min-height create room for the logo */
-  min-width: 210px;
-  min-height: 210px;
-  margin-top:20px;
-  -moz-margin-start: 30px;
+  background-position: center center;
+  height: 44px;
 }
 
-#PMrightBox {
-  margin-left: 30px;
-  margin-right: 30px;
+#aboutVersionBox {
+  text-shadow: 1px 1px 0px #9ABCD5;
 }
 
-#PMbottomBox {
-  padding: 15px 10px 0;
-  background-color: rgba(240,240,255,.7);
-}   
+#aboutTextBox {
+  animation: 3s fadeIn;
+  animation-fill-mode: forwards;
+  text-shadow: 1px 1px 0px #9ABCD5;
+  color: #101020; 
+}
 
-#PMupdateDeck > hbox > label:not([class="text-link"]) {
-  color: #909090;
+@keyframes fadeIn {
+  0% {
+    opacity: 0;
+  }
+  50% {
+    opacity: 0;
+  }
+  100% {
+    opacity: 1;
+  }
+}
+
+#aboutLinkBox {
+  padding: 15px 10px 0;
 }
 
-#PMtrademark {
-  font-size: xx-small;
+#aboutPMtrademark {
+  font-size: 10px;
   text-align: center;
-  color: #999999;
+  color: #C0C0C0;
+  text-shadow: 1px 1px 0px #000000;
   margin-top: 10px;
   margin-bottom: 10px;
 }
diff --git a/application/palemoon/branding/official/content/jar.mn b/application/palemoon/branding/official/content/jar.mn
index d8038bf9e..83ef1ed15 100644
--- a/application/palemoon/branding/official/content/jar.mn
+++ b/application/palemoon/branding/official/content/jar.mn
@@ -5,7 +5,7 @@
 browser.jar:
 % content branding %content/branding/ contentaccessible=yes
   content/branding/about.png                     (about.png)
-  content/branding/about-background.png          (about-background.png)
+  content/branding/about-background.jpg          (about-background.jpg)
   content/branding/about-logo.png                (about-logo.png)
   content/branding/about-logo@2x.png             (about-logo@2x.png)
   content/branding/about-wordmark.png            (about-wordmark.png)
diff --git a/application/palemoon/branding/official/content/moz.build b/application/palemoon/branding/official/content/moz.build
index 35f6d454a..c97072bba 100644
--- a/application/palemoon/branding/official/content/moz.build
+++ b/application/palemoon/branding/official/content/moz.build
@@ -4,5 +4,4 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-
 JAR_MANIFESTS += ['jar.mn']
\ No newline at end of file
diff --git a/application/palemoon/branding/official/locales/jar.mn b/application/palemoon/branding/official/locales/jar.mn
index 79078217e..f02dd95f3 100644
--- a/application/palemoon/branding/official/locales/jar.mn
+++ b/application/palemoon/branding/official/locales/jar.mn
@@ -6,6 +6,6 @@
 
 @AB_CD@.jar:
 % locale branding @AB_CD@ %locale/branding/
-  locale/branding/brand.dtd        (%brand.dtd)
-  locale/branding/brand.properties (%brand.properties)
-  locale/branding/browserconfig.properties (../../shared/locales/browserconfig.properties)
+  locale/branding/brand.dtd                     (%brand.dtd)
+  locale/branding/brand.properties              (%brand.properties)
+  locale/branding/browserconfig.properties      (../../shared/locales/browserconfig.properties)
diff --git a/application/palemoon/branding/official/locales/moz.build b/application/palemoon/branding/official/locales/moz.build
index 35f6d454a..c97072bba 100644
--- a/application/palemoon/branding/official/locales/moz.build
+++ b/application/palemoon/branding/official/locales/moz.build
@@ -4,5 +4,4 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-
 JAR_MANIFESTS += ['jar.mn']
\ No newline at end of file
diff --git a/application/palemoon/branding/shared/pref/preferences.inc b/application/palemoon/branding/shared/pref/preferences.inc
index 721c2c90e..8b085c417 100644
--- a/application/palemoon/branding/shared/pref/preferences.inc
+++ b/application/palemoon/branding/shared/pref/preferences.inc
@@ -1,6 +1,3 @@
-#define APO_AM_URL addons.palemoon.org/integration/addon-manager
-#define APO_AUS_ARGS reqVersion=%REQ_VERSION%&id=%ITEM_ID%&version=%ITEM_VERSION%&maxAppVersion=%ITEM_MAXAPPVERSION%&status=%ITEM_STATUS%&appID=%APP_ID%&appVersion=%APP_VERSION%&appOS=%APP_OS%&appABI=%APP_ABI%&locale=%APP_LOCALE%&currentAppVersion=%CURRENT_APP_VERSION%&updateType=%UPDATE_TYPE%&compatMode=%COMPATIBILITY_MODE%
-
 // ===| General |==============================================================
 
 pref("startup.homepage_welcome_url","http://www.palemoon.org/firstrun.shtml");
@@ -29,15 +26,12 @@ pref("app.update.promptWaitTime", 172800);
 // ===| Add-ons Manager |======================================================
 
 // Add-on window fixes
-pref("extensions.getMoreThemesURL", "https://@APO_AM_URL@/external/themes");
+pref("extensions.getMoreThemesURL", "https://addons.palemoon.org/themes/");
 
 // Extensions Blocklist
 pref("extensions.blocklist.url","http://blocklist.palemoon.org/%VERSION%/blocklist.xml");
 pref("extensions.blocklist.itemURL", "http://blocklist.palemoon.org/info/?id=%blockID%");
 
-// Dictionary URL
-pref("browser.dictionaries.download.url", "https://addons.mozilla.org/%LOCALE%/firefox/dictionaries/");
-
 pref("extensions.update.autoUpdateDefault", true); // Automatically update extensions by default
 pref("extensions.getAddons.maxResults", 10);
 pref("extensions.getAddons.cache.enabled", false);
diff --git a/application/palemoon/branding/shared/pref/uaoverrides.inc b/application/palemoon/branding/shared/pref/uaoverrides.inc
index e5e727ee5..36a0ae145 100644
--- a/application/palemoon/branding/shared/pref/uaoverrides.inc
+++ b/application/palemoon/branding/shared/pref/uaoverrides.inc
@@ -21,6 +21,11 @@
 #define OS_SLICE Windows NT 6.1; WOW64;

 #endif

 

+// Special-case AMO

+// We send the native UA slice now, since they no longer offer any compatible extensions for us.

+// This will result in an "only with Firefox" message which suits us fine, because it's the truth.

+pref("@GUAO_PREF@.addons.mozilla.org","Mozilla/5.0 (@OS_SLICE@ rv:@GRE_VERSION@) @GRE_DATE_SLICE@ @PM_SLICE@");

+

 // Required for domains that have proven unresponsive to requests from users

 pref("@GUAO_PREF@.live.com","Mozilla/5.0 (@OS_SLICE@ rv:@GK_VERSION@) @GK_SLICE@ @FX_SLICE@ (Pale Moon)");

 pref("@GUAO_PREF@.msn.com","Mozilla/5.0 (@OS_SLICE@ rv:@GK_VERSION@) @GK_SLICE@ @FX_SLICE@ (Pale Moon)");

@@ -35,8 +40,8 @@ pref("@GUAO_PREF@.gstatic.com","Mozilla/5.0 (@OS_SLICE@ rv:31.9) @GK_SLICE@ @GRE
 pref("@GUAO_PREF@.yahoo.com","Mozilla/5.0 (@OS_SLICE@ rv:99.9) @GK_SLICE@ Firefox/99.9 (Pale Moon)");

 pref("@GUAO_PREF@.youtube.com","Mozilla/5.0 (@OS_SLICE@ rv:42.0) @GK_SLICE@ Firefox/42.0 @PM_SLICE@");

 pref("@GUAO_PREF@.gaming.youtube.com","Mozilla/5.0 (@OS_SLICE@ rv:42.0) @GK_SLICE@ Firefox/42.0");

+pref("@GUAO_PREF@.dropbox.com","Mozilla/5.0 (@OS_SLICE@ rv:99.9) @GK_SLICE@ Firefox/99.9 (Pale Moon)");

 

-pref("@GUAO_PREF@.dropbox.com","Mozilla/5.0 (Windows NT 6.1; Trident/7.0; rv:11.0) like Gecko");

 pref("@GUAO_PREF@.players.brightcove.net","Mozilla/5.0 (Windows NT 6.1; Trident/7.0; rv:11.0) like Gecko");

 

 // The never-ending Facebook debacle...

@@ -52,12 +57,16 @@ pref("@GUAO_PREF@.www.amazon.com","Mozilla/5.0 (@OS_SLICE@ rv:45.9) @GK_SLICE@ F
 pref("@GUAO_PREF@.soundcloud.com","Mozilla/5.0 (@OS_SLICE@ rv:@GRE_VERSION@) @GRE_DATE_SLICE@ @PM_SLICE@");

 // Daily motion only likes strict Firefox UAs

 pref("@GUAO_PREF@.dailymotion.com","Mozilla/5.0 (@OS_SLICE@ rv:52.0) @GK_SLICE@ Firefox/52.0");

+// Financial Times' polyfill.io breaks horribly on a Pale Moon UA. Send a strict Firefox UA instead.

+pref("@GUAO_PREF@.polyfill.io","Mozilla/5.0 (@OS_SLICE@ rv:60.9) @GK_SLICE@ Firefox/60.9");

+

 

 // The following requires native mode. Or it blocks.. "too old firefox", breakage, etc.

 pref("@GUAO_PREF@.deviantart.com","Mozilla/5.0 (@OS_SLICE@ rv:@GRE_VERSION@) @GRE_DATE_SLICE@ @PM_SLICE@");

 pref("@GUAO_PREF@.deviantart.net","Mozilla/5.0 (@OS_SLICE@ rv:@GRE_VERSION@) @GRE_DATE_SLICE@ @PM_SLICE@");

 pref("@GUAO_PREF@.altibox.dk","Mozilla/5.0 (@OS_SLICE@ rv:@GRE_VERSION@) @GRE_DATE_SLICE@ @PM_SLICE@");

 pref("@GUAO_PREF@.altibox.no","Mozilla/5.0 (@OS_SLICE@ rv:@GRE_VERSION@) @GRE_DATE_SLICE@ @PM_SLICE@");

+pref("@GUAO_PREF@.firefox.com","Mozilla/5.0 (@OS_SLICE@ rv:@GRE_VERSION@) @GRE_DATE_SLICE@ @PM_SLICE@");

 

 // UA-Sniffing domains below have indicated no interest in supporting Pale Moon (BOO!)

 pref("@GUAO_PREF@.humblebundle.com","Mozilla/5.0 (@OS_SLICE@ rv:@GK_VERSION@) @GK_SLICE@ @FX_SLICE@ (Pale Moon)");

diff --git a/application/palemoon/branding/unofficial/branding.nsi b/application/palemoon/branding/unofficial/branding.nsi
index cf1642eaf..62ed242a2 100644
--- a/application/palemoon/branding/unofficial/branding.nsi
+++ b/application/palemoon/branding/unofficial/branding.nsi
@@ -12,29 +12,5 @@
 !define CompanyName           "Moonchild Productions"
 !define URLInfoAbout          "http://www.palemoon.org"
 !define URLUpdateInfo         "http://www.palemoon.org"
-
-!define URLManualDownload "http://www.palemoon.org/download-ng.shtml"
-!define Channel "unofficial"
-
-# Dialog units are used so the UI displays correctly with the system's DPI
-# settings.
-# The dialog units for the bitmap's dimensions should match exactly with the
-# bitmap's width and height in pixels.
-!define APPNAME_BMP_WIDTH_DU 159u
-!define APPNAME_BMP_HEIGHT_DU 26u
-!define INTRO_BLURB_WIDTH_DU "230u"
-!define INTRO_BLURB_EDGE_DU "198u"
-!define INTRO_BLURB_LTR_TOP_DU "16u"
-!define INTRO_BLURB_RTL_TOP_DU "11u"
-
-# UI Colors that can be customized for each channel
-!define FOOTER_CONTROL_TEXT_COLOR_NORMAL 0x000000
-!define FOOTER_CONTROL_TEXT_COLOR_FADED 0x999999
-!define FOOTER_BKGRD_COLOR 0xFFFFFF
-!define INTRO_BLURB_TEXT_COLOR 0xFFFFFF
-!define OPTIONS_TEXT_COLOR_NORMAL 0xFFFFFF
-!define OPTIONS_TEXT_COLOR_FADED 0xA1AAB3
-!define OPTIONS_BKGRD_COLOR 0x0F1B26
-!define INSTALL_BLURB_TEXT_COLOR 0xFFFFFF
-!define INSTALL_PROGRESS_TEXT_COLOR_NORMAL 0xFFFFFF
-!define INSTALL_PROGRESS_TEXT_COLOR_FADED 0xA1AAB3
+!define HelpLink              "http://www.palemoon.org"
+!define URLSystemRequirements "http://www.palemoon.org/download.shtml"
diff --git a/application/palemoon/branding/unofficial/content/about-background.png b/application/palemoon/branding/unofficial/content/about-background.png
index 006818637..c034041f6 100644
--- a/application/palemoon/branding/unofficial/content/about-background.png
+++ b/application/palemoon/branding/unofficial/content/about-background.png
diff --git a/application/palemoon/branding/unofficial/content/about-wordmark.png b/application/palemoon/branding/unofficial/content/about-wordmark.png
deleted file mode 100644
index 41889ba39..000000000
--- a/application/palemoon/branding/unofficial/content/about-wordmark.png
+++ /dev/null
diff --git a/application/palemoon/branding/unofficial/content/about-wordmark.svg b/application/palemoon/branding/unofficial/content/about-wordmark.svg
deleted file mode 100644
index fd0f1745e..000000000
--- a/application/palemoon/branding/unofficial/content/about-wordmark.svg
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-
-<svg version="1.1" id="aboutWordmark" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" width="132px" height="48px" viewBox="0 0 132 48" xml:space="preserve">
-
-  <path fill="#55575C"/>
-	
-</svg>
diff --git a/application/palemoon/branding/unofficial/content/aboutDialog.css b/application/palemoon/branding/unofficial/content/aboutDialog.css
index 3f7c5ec23..5cc6b428a 100644
--- a/application/palemoon/branding/unofficial/content/aboutDialog.css
+++ b/application/palemoon/branding/unofficial/content/aboutDialog.css
@@ -9,16 +9,11 @@
   color: #fff;
 }
 
-.text-link {
-  color: #eef !important;
+#aboutVersionBox {
+  /* No wordmark: leave empty space */
+  margin-top: 20px;
 }
 
-#PMrightBox {
-  /* this margin prevents text from overlapping the planet image */
-  margin-left: 280px;
-  margin-right: 20px;
-}
-
-#PMbottomBox {
-  background-color: rgba(0,0,0,.7);
+#aboutLinkBox {
+  padding: 15px 10px 20px;
 }
diff --git a/application/palemoon/branding/unofficial/content/jar.mn b/application/palemoon/branding/unofficial/content/jar.mn
index 821aa03bc..353695792 100644
--- a/application/palemoon/branding/unofficial/content/jar.mn
+++ b/application/palemoon/branding/unofficial/content/jar.mn
@@ -4,13 +4,12 @@
 
 browser.jar:
 % content branding %content/branding/ contentaccessible=yes
-  content/branding/about.png                     (about.png)
-  content/branding/about-background.png          (about-background.png)
-  content/branding/about-logo.png                (about-logo.png)
-  content/branding/about-logo@2x.png             (about-logo@2x.png)
-  content/branding/about-wordmark.svg            (about-wordmark.svg)
-  content/branding/icon48.png                    (icon48.png)
-  content/branding/icon64.png                    (icon64.png)
-  content/branding/icon16.png                    (../default16.png)
-  content/branding/icon32.png                    (../default32.png)
-  content/branding/aboutDialog.css               (aboutDialog.css)
+  content/branding/about.png                  (about.png)
+  content/branding/about-background.png       (about-background.png)
+  content/branding/about-logo.png             (about-logo.png)
+  content/branding/about-logo@2x.png          (about-logo@2x.png)
+  content/branding/icon48.png                 (icon48.png)
+  content/branding/icon64.png                 (icon64.png)
+  content/branding/icon16.png                 (../default16.png)
+  content/branding/icon32.png                 (../default32.png)
+  content/branding/aboutDialog.css            (aboutDialog.css)
diff --git a/application/palemoon/branding/unofficial/content/moz.build b/application/palemoon/branding/unofficial/content/moz.build
index 35f6d454a..c97072bba 100644
--- a/application/palemoon/branding/unofficial/content/moz.build
+++ b/application/palemoon/branding/unofficial/content/moz.build
@@ -4,5 +4,4 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-
 JAR_MANIFESTS += ['jar.mn']
\ No newline at end of file
diff --git a/application/palemoon/branding/unofficial/locales/jar.mn b/application/palemoon/branding/unofficial/locales/jar.mn
index 88aa07434..9de6cfc83 100644
--- a/application/palemoon/branding/unofficial/locales/jar.mn
+++ b/application/palemoon/branding/unofficial/locales/jar.mn
@@ -7,6 +7,6 @@
 @AB_CD@.jar:
 % locale branding @AB_CD@ %locale/branding/
 # Unofficial branding only exists in en-US
-  locale/branding/brand.dtd        (en-US/brand.dtd)
-  locale/branding/brand.properties (en-US/brand.properties)
-  locale/branding/browserconfig.properties (../../shared/locales/browserconfig.properties)
+  locale/branding/brand.dtd                   (en-US/brand.dtd)
+  locale/branding/brand.properties            (en-US/brand.properties)
+  locale/branding/browserconfig.properties    (../../shared/locales/browserconfig.properties)
diff --git a/application/palemoon/branding/unstable/branding.nsi b/application/palemoon/branding/unstable/branding.nsi
index 4a9199b22..535cfde33 100644
--- a/application/palemoon/branding/unstable/branding.nsi
+++ b/application/palemoon/branding/unstable/branding.nsi
@@ -11,36 +11,6 @@
 !define BrandFullNameInternal "Pale Moon"
 !define CompanyName           "Moonchild Productions"
 !define URLInfoAbout          "http://www.palemoon.org/"
-!define URLUpdateInfo         "http://www.palemoon.org/unstable.shtml"
-
-; The OFFICIAL define is a workaround to support different urls for Release and
-; Beta since they share the same branding when building with other branches that
-; set the update channel to beta.
-!define OFFICIAL
-!define URLStubDownload ""
-!define URLManualDownload "http://www.palemoon.org/unstable.shtml"
-!define Channel "unstable"
-
-
-# Dialog units are used so the UI displays correctly with the system's DPI
-# settings.
-# The dialog units for the bitmap's dimensions should match exactly with the
-# bitmap's width and height in pixels.
-!define APPNAME_BMP_WIDTH_DU "134u"
-!define APPNAME_BMP_HEIGHT_DU "36u"
-!define INTRO_BLURB_WIDTH_DU "258u"
-!define INTRO_BLURB_EDGE_DU "170u"
-!define INTRO_BLURB_LTR_TOP_DU "20u"
-!define INTRO_BLURB_RTL_TOP_DU "12u"
-
-# UI Colors that can be customized for each channel
-!define FOOTER_CONTROL_TEXT_COLOR_NORMAL 0x000033
-!define FOOTER_CONTROL_TEXT_COLOR_FADED 0x666699
-!define FOOTER_BKGRD_COLOR 0xFFFFFF
-!define INTRO_BLURB_TEXT_COLOR 0x666699
-!define OPTIONS_TEXT_COLOR_NORMAL 0x000000
-!define OPTIONS_TEXT_COLOR_FADED 0x666699
-!define OPTIONS_BKGRD_COLOR 0xF0F0F0
-!define INSTALL_BLURB_TEXT_COLOR 0x666699
-!define INSTALL_PROGRESS_TEXT_COLOR_NORMAL 0x666699
-!define INSTALL_PROGRESS_TEXT_COLOR_FADED 0x9999C0
+!define URLUpdateInfo         "http://www.palemoon.org/unstable/"
+!define HelpLink              "http://www.palemoon.org/unstable/"
+!define URLSystemRequirements "http://www.palemoon.org/download.shtml"
diff --git a/application/palemoon/branding/unstable/content/about-background.jpg b/application/palemoon/branding/unstable/content/about-background.jpg
new file mode 100644
index 000000000..a33b33183
--- /dev/null
+++ b/application/palemoon/branding/unstable/content/about-background.jpg
diff --git a/application/palemoon/branding/unstable/content/about-background.png b/application/palemoon/branding/unstable/content/about-background.png
deleted file mode 100644
index 3d20e0658..000000000
--- a/application/palemoon/branding/unstable/content/about-background.png
+++ /dev/null
diff --git a/application/palemoon/branding/unstable/content/about-wordmark.png b/application/palemoon/branding/unstable/content/about-wordmark.png
index deb60b6b9..bf09f15a0 100644
--- a/application/palemoon/branding/unstable/content/about-wordmark.png
+++ b/application/palemoon/branding/unstable/content/about-wordmark.png
diff --git a/application/palemoon/branding/unstable/content/about-wordmark.svg b/application/palemoon/branding/unstable/content/about-wordmark.svg
deleted file mode 100644
index fd0f1745e..000000000
--- a/application/palemoon/branding/unstable/content/about-wordmark.svg
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-
-<svg version="1.1" id="aboutWordmark" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" width="132px" height="48px" viewBox="0 0 132 48" xml:space="preserve">
-
-  <path fill="#55575C"/>
-	
-</svg>
diff --git a/application/palemoon/branding/unstable/content/aboutDialog.css b/application/palemoon/branding/unstable/content/aboutDialog.css
index 9af49ba10..de71f259c 100644
--- a/application/palemoon/branding/unstable/content/aboutDialog.css
+++ b/application/palemoon/branding/unstable/content/aboutDialog.css
@@ -3,45 +3,51 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 #aboutPMDialogContainer {
-  background-image: url("chrome://branding/content/about-background.png");
+  background-image: url("chrome://branding/content/about-background.jpg");
   background-repeat: no-repeat;
-  background-color: #100000;
-  background-size: cover;
-  color: #E0E0FF; 
+  background-color: #D5BC9A;
+  color: #202010; 
 }
 
-#PMleftBox {
-  background-image: url("chrome://branding/content/about-logo.png");
+#aboutHeaderBox {
+  background-image: url("chrome://branding/content/about-wordmark.png");
   background-repeat: no-repeat;
-  /* min-width and min-height create room for the logo */
-  min-width: 210px;
-  min-height: 210px;
-  margin-top:20px;
-  -moz-margin-start: 30px;
+  background-position: center center;
+  height: 44px;
 }
 
-#PMrightBox {
-  margin-left: 30px;
-  margin-right: 30px;
+#aboutVersionBox {
+  text-shadow: 1px 1px 0px #D5BC9A;
 }
 
-#detailsBox > description > .text-link {
-  color: #CDC36F;
+#aboutTextBox {
+  animation: 3s fadeIn;
+  animation-fill-mode: forwards;
+  text-shadow: 1px 1px 0px #D5BC9A;
+  color: #202010; 
 }
 
-#PMbottomBox {
-  padding: 15px 10px 0;
-  background-color: rgba(240,240,255,.7);
-}   
+@keyframes fadeIn {
+  0% {
+    opacity: 0;
+  }
+  50% {
+    opacity: 0;
+  }
+  100% {
+    opacity: 1;
+  }
+}
 
-#PMupdateDeck > hbox > label:not([class="text-link"]) {
-  color: #909090;
+#aboutLinkBox {
+  padding: 15px 10px 0;
 }
 
-#PMtrademark {
-  font-size: xx-small;
+#aboutPMtrademark {
+  font-size: 10px;
   text-align: center;
-  color: #333333;
+  color: #C0C0C0;
+  text-shadow: 1px 1px 0px #000000;
   margin-top: 10px;
   margin-bottom: 10px;
 }
diff --git a/application/palemoon/branding/unstable/content/jar.mn b/application/palemoon/branding/unstable/content/jar.mn
index d8038bf9e..fcb789031 100644
--- a/application/palemoon/branding/unstable/content/jar.mn
+++ b/application/palemoon/branding/unstable/content/jar.mn
@@ -4,13 +4,13 @@
 
 browser.jar:
 % content branding %content/branding/ contentaccessible=yes
-  content/branding/about.png                     (about.png)
-  content/branding/about-background.png          (about-background.png)
-  content/branding/about-logo.png                (about-logo.png)
-  content/branding/about-logo@2x.png             (about-logo@2x.png)
-  content/branding/about-wordmark.png            (about-wordmark.png)
-  content/branding/icon48.png                    (icon48.png)
-  content/branding/icon64.png                    (icon64.png)
-  content/branding/icon16.png                    (../default16.png)
-  content/branding/icon32.png                    (../default32.png)
-  content/branding/aboutDialog.css               (aboutDialog.css)
+  content/branding/about.png                (about.png)
+  content/branding/about-background.jpg     (about-background.jpg)
+  content/branding/about-logo.png           (about-logo.png)
+  content/branding/about-logo@2x.png        (about-logo@2x.png)
+  content/branding/about-wordmark.png       (about-wordmark.png)
+  content/branding/icon48.png               (icon48.png)
+  content/branding/icon64.png               (icon64.png)
+  content/branding/icon16.png               (../default16.png)
+  content/branding/icon32.png               (../default32.png)
+  content/branding/aboutDialog.css          (aboutDialog.css)
diff --git a/application/palemoon/branding/unstable/content/moz.build b/application/palemoon/branding/unstable/content/moz.build
index 35f6d454a..c97072bba 100644
--- a/application/palemoon/branding/unstable/content/moz.build
+++ b/application/palemoon/branding/unstable/content/moz.build
@@ -4,5 +4,4 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-
 JAR_MANIFESTS += ['jar.mn']
\ No newline at end of file
diff --git a/application/palemoon/branding/unstable/locales/jar.mn b/application/palemoon/branding/unstable/locales/jar.mn
index 88aa07434..9de6cfc83 100644
--- a/application/palemoon/branding/unstable/locales/jar.mn
+++ b/application/palemoon/branding/unstable/locales/jar.mn
@@ -7,6 +7,6 @@
 @AB_CD@.jar:
 % locale branding @AB_CD@ %locale/branding/
 # Unofficial branding only exists in en-US
-  locale/branding/brand.dtd        (en-US/brand.dtd)
-  locale/branding/brand.properties (en-US/brand.properties)
-  locale/branding/browserconfig.properties (../../shared/locales/browserconfig.properties)
+  locale/branding/brand.dtd                   (en-US/brand.dtd)
+  locale/branding/brand.properties            (en-US/brand.properties)
+  locale/branding/browserconfig.properties    (../../shared/locales/browserconfig.properties)
diff --git a/application/palemoon/components/BrowserComponents.manifest b/application/palemoon/components/BrowserComponents.manifest
index 1e4bff59a..0ff14d066 100644
--- a/application/palemoon/components/BrowserComponents.manifest
+++ b/application/palemoon/components/BrowserComponents.manifest
@@ -1,3 +1,21 @@
+# nsAboutRedirector.js
+component {8cc51368-6aa0-43e8-b762-bde9b9fd828c} nsAboutRedirector.js
+# Each entry here should be coupled with an entry in nsAboutRedirector.js
+contract @mozilla.org/network/protocol/about;1?what=certerror {8cc51368-6aa0-43e8-b762-bde9b9fd828c}
+contract @mozilla.org/network/protocol/about;1?what=downloads {8cc51368-6aa0-43e8-b762-bde9b9fd828c}
+contract @mozilla.org/network/protocol/about;1?what=feeds {8cc51368-6aa0-43e8-b762-bde9b9fd828c}
+contract @mozilla.org/network/protocol/about;1?what=home {8cc51368-6aa0-43e8-b762-bde9b9fd828c}
+contract @mozilla.org/network/protocol/about;1?what=newtab {8cc51368-6aa0-43e8-b762-bde9b9fd828c}
+contract @mozilla.org/network/protocol/about;1?what=palemoon {8cc51368-6aa0-43e8-b762-bde9b9fd828c}
+contract @mozilla.org/network/protocol/about;1?what=permissions {8cc51368-6aa0-43e8-b762-bde9b9fd828c}
+contract @mozilla.org/network/protocol/about;1?what=privatebrowsing {8cc51368-6aa0-43e8-b762-bde9b9fd828c}
+contract @mozilla.org/network/protocol/about;1?what=rights {8cc51368-6aa0-43e8-b762-bde9b9fd828c}
+contract @mozilla.org/network/protocol/about;1?what=sessionrestore {8cc51368-6aa0-43e8-b762-bde9b9fd828c}
+#ifdef MOZ_SERVICES_SYNC
+contract @mozilla.org/network/protocol/about;1?what=sync-progress {8cc51368-6aa0-43e8-b762-bde9b9fd828c}
+contract @mozilla.org/network/protocol/about;1?what=sync-tabs {8cc51368-6aa0-43e8-b762-bde9b9fd828c}
+#endif
+
 # nsBrowserContentHandler.js
 component {5d0ce354-df01-421a-83fb-7ead0990c24e} nsBrowserContentHandler.js application={8de7fcbb-c55c-4fbe-bfc5-fc555c87dbc4}
 contract @mozilla.org/browser/clh;1 {5d0ce354-df01-421a-83fb-7ead0990c24e} application={8de7fcbb-c55c-4fbe-bfc5-fc555c87dbc4}
diff --git a/application/palemoon/components/about/AboutRedirector.cpp b/application/palemoon/components/about/AboutRedirector.cpp
deleted file mode 100644
index fbcad6094..000000000
--- a/application/palemoon/components/about/AboutRedirector.cpp
+++ /dev/null
@@ -1,184 +0,0 @@
-/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-// See also: docshell/base/nsAboutRedirector.cpp
-
-#include "AboutRedirector.h"
-#include "nsNetUtil.h"
-#include "nsIScriptSecurityManager.h"
-#include "mozilla/ArrayUtils.h"
-
-namespace mozilla {
-namespace browser {
-
-NS_IMPL_ISUPPORTS(AboutRedirector, nsIAboutModule)
-
-struct RedirEntry {
-  const char* id;
-  const char* url;
-  uint32_t flags;
-};
-
-/*
-  Entries which do not have URI_SAFE_FOR_UNTRUSTED_CONTENT will run with chrome
-  privileges. This is potentially dangerous. Please use
-  URI_SAFE_FOR_UNTRUSTED_CONTENT in the third argument to each map item below
-  unless your about: page really needs chrome privileges. Security review is
-  required before adding new map entries without
-  URI_SAFE_FOR_UNTRUSTED_CONTENT.
-*/
-static RedirEntry kRedirMap[] = {
-  {
-    "certerror", "chrome://browser/content/certerror/aboutCertError.xhtml",
-    nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
-    nsIAboutModule::ALLOW_SCRIPT |
-    nsIAboutModule::HIDE_FROM_ABOUTABOUT
-  },
-  {
-    "downloads", "chrome://browser/content/downloads/contentAreaDownloadsView.xul",
-    nsIAboutModule::ALLOW_SCRIPT
-  },
-  {
-    "feeds", "chrome://browser/content/feeds/subscribe.xhtml",
-    nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
-    nsIAboutModule::ALLOW_SCRIPT |
-    nsIAboutModule::HIDE_FROM_ABOUTABOUT
-  },
-  {
-    "home", "chrome://browser/content/abouthome/aboutHome.xhtml",
-    nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
-    nsIAboutModule::MAKE_LINKABLE |
-    nsIAboutModule::ALLOW_SCRIPT
-  },
-  {
-    "newtab", "chrome://browser/content/newtab/newTab.xhtml",
-    nsIAboutModule::ALLOW_SCRIPT
-  },
-  {
-    "palemoon", "chrome://browser/content/palemoon.xhtml",
-    nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
-    nsIAboutModule::HIDE_FROM_ABOUTABOUT
-  },
-  {
-    "permissions", "chrome://browser/content/permissions/aboutPermissions.xul",
-    nsIAboutModule::ALLOW_SCRIPT
-  },
-  {
-    "privatebrowsing", "chrome://browser/content/aboutPrivateBrowsing.xhtml",
-    nsIAboutModule::ALLOW_SCRIPT
-  },
-  {
-    "rights", "chrome://global/content/aboutRights.xhtml",
-    nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
-    nsIAboutModule::MAKE_LINKABLE |
-    nsIAboutModule::ALLOW_SCRIPT
-  },
-  {
-    "robots", "chrome://browser/content/aboutRobots.xhtml",
-    nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
-    nsIAboutModule::ALLOW_SCRIPT
-  },
-  {
-    "sessionrestore", "chrome://browser/content/aboutSessionRestore.xhtml",
-    nsIAboutModule::ALLOW_SCRIPT
-  },
-#ifdef MOZ_SERVICES_SYNC
-  {
-    "sync-progress", "chrome://browser/content/sync/progress.xhtml",
-    nsIAboutModule::ALLOW_SCRIPT
-  },
-  {
-    "sync-tabs", "chrome://browser/content/sync/aboutSyncTabs.xul",
-    nsIAboutModule::ALLOW_SCRIPT
-  },
-#endif
-};
-static const int kRedirTotal = ArrayLength(kRedirMap);
-
-static nsAutoCString
-GetAboutModuleName(nsIURI *aURI)
-{
-  nsAutoCString path;
-  aURI->GetPath(path);
-
-  int32_t f = path.FindChar('#');
-  if (f >= 0)
-    path.SetLength(f);
-
-  f = path.FindChar('?');
-  if (f >= 0)
-    path.SetLength(f);
-
-  ToLowerCase(path);
-  return path;
-}
-
-NS_IMETHODIMP
-AboutRedirector::NewChannel(nsIURI* aURI,
-                            nsILoadInfo* aLoadInfo,
-                            nsIChannel** result)
-{
-  NS_ENSURE_ARG_POINTER(aURI);
-  NS_ASSERTION(result, "must not be null");
-
-  nsAutoCString path = GetAboutModuleName(aURI);
-
-  nsresult rv;
-  nsCOMPtr<nsIIOService> ioService = do_GetIOService(&rv);
-  NS_ENSURE_SUCCESS(rv, rv);
-
-  for (int i = 0; i < kRedirTotal; i++) {
-    if (!strcmp(path.get(), kRedirMap[i].id)) {
-      nsCOMPtr<nsIChannel> tempChannel;
-      nsCOMPtr<nsIURI> tempURI;
-      rv = NS_NewURI(getter_AddRefs(tempURI),
-                     nsDependentCString(kRedirMap[i].url));
-      NS_ENSURE_SUCCESS(rv, rv);
-      rv = NS_NewChannelInternal(getter_AddRefs(tempChannel),
-                                 tempURI,
-                                 aLoadInfo);
-      NS_ENSURE_SUCCESS(rv, rv);
-
-      tempChannel->SetOriginalURI(aURI);
-
-      NS_ADDREF(*result = tempChannel);
-      return rv;
-    }
-  }
-
-  return NS_ERROR_ILLEGAL_VALUE;
-}
-
-NS_IMETHODIMP
-AboutRedirector::GetURIFlags(nsIURI *aURI, uint32_t *result)
-{
-  NS_ENSURE_ARG_POINTER(aURI);
-
-  nsAutoCString name = GetAboutModuleName(aURI);
-
-  for (int i = 0; i < kRedirTotal; i++) {
-    if (name.Equals(kRedirMap[i].id)) {
-      *result = kRedirMap[i].flags;
-      return NS_OK;
-    }
-  }
-
-  return NS_ERROR_ILLEGAL_VALUE;
-}
-
-nsresult
-AboutRedirector::Create(nsISupports *aOuter, REFNSIID aIID, void **result)
-{
-  AboutRedirector* about = new AboutRedirector();
-  if (about == nullptr)
-    return NS_ERROR_OUT_OF_MEMORY;
-  NS_ADDREF(about);
-  nsresult rv = about->QueryInterface(aIID, result);
-  NS_RELEASE(about);
-  return rv;
-}
-
-} // namespace browser
-} // namespace mozilla
diff --git a/application/palemoon/components/about/AboutRedirector.h b/application/palemoon/components/about/AboutRedirector.h
deleted file mode 100644
index 8feeb7491..000000000
--- a/application/palemoon/components/about/AboutRedirector.h
+++ /dev/null
@@ -1,32 +0,0 @@
-/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#ifndef AboutRedirector_h__
-#define AboutRedirector_h__
-
-#include "nsIAboutModule.h"
-
-namespace mozilla {
-namespace browser {
-
-class AboutRedirector : public nsIAboutModule
-{
-public:
-  NS_DECL_ISUPPORTS
-  NS_DECL_NSIABOUTMODULE
- 
-  AboutRedirector() {}
-
-  static nsresult
-    Create(nsISupports *aOuter, REFNSIID aIID, void **aResult);
-
-protected:
-  virtual ~AboutRedirector() {}
-};
-
-} // namespace browser
-} // namespace mozilla
-
-#endif // AboutRedirector_h__
diff --git a/application/palemoon/base/content/abouthome/aboutHome.css b/application/palemoon/components/abouthome/aboutHome.css
index 73c686202..2b062e8e7 100644
--- a/application/palemoon/base/content/abouthome/aboutHome.css
+++ b/application/palemoon/components/abouthome/aboutHome.css
@@ -262,9 +262,11 @@ body[narrow] #restorePreviousSession {
   content: url("chrome://browser/content/abouthome/addons.png");
 }
 
+%ifdef MOZ_SERVICES_SYNC
 #sync::before {
   content: url("chrome://browser/content/abouthome/sync.png");
 }
+%endif
 
 #settings::before {
   content: url("chrome://browser/content/abouthome/settings.png");
@@ -320,9 +322,11 @@ body[narrow] #restorePreviousSession::before {
     content: url("chrome://browser/content/abouthome/addons@2x.png");
   }
 
+%ifdef MOZ_SERVICES_SYNC
   #sync::before {
     content: url("chrome://browser/content/abouthome/sync@2x.png");
   }
+%endif
 
   #settings::before {
     content: url("chrome://browser/content/abouthome/settings@2x.png");
diff --git a/application/palemoon/base/content/abouthome/aboutHome.js b/application/palemoon/components/abouthome/aboutHome.js
index 6ff8eee98..6ff8eee98 100644
--- a/application/palemoon/base/content/abouthome/aboutHome.js
+++ b/application/palemoon/components/abouthome/aboutHome.js
diff --git a/application/palemoon/base/content/abouthome/aboutHome.xhtml b/application/palemoon/components/abouthome/aboutHome.xhtml
index cb3fa634a..d72ec492e 100644
--- a/application/palemoon/base/content/abouthome/aboutHome.xhtml
+++ b/application/palemoon/components/abouthome/aboutHome.xhtml
@@ -51,7 +51,9 @@
       <button class="launchButton" id="bookmarks">&abouthome.bookmarksButton.label;</button>
       <button class="launchButton" id="history">&abouthome.historyButton.label;</button>
       <button class="launchButton" id="addons">&abouthome.addonsButton.label;</button>
+#ifdef MOZ_SERVICES_SYNC
       <button class="launchButton" id="sync">&abouthome.syncButton.label;</button>
+#endif
       <button class="launchButton" id="settings">&abouthome.settingsButton.label;</button>
       <div id="restorePreviousSessionSeparator"/>
       <button class="launchButton" id="restorePreviousSession">&historyRestoreLastSession.label;</button>
diff --git a/application/palemoon/base/content/abouthome/addons.png b/application/palemoon/components/abouthome/addons.png
index 41519ce49..41519ce49 100644
--- a/application/palemoon/base/content/abouthome/addons.png
+++ b/application/palemoon/components/abouthome/addons.png
diff --git a/application/palemoon/base/content/abouthome/addons@2x.png b/application/palemoon/components/abouthome/addons@2x.png
index d4d04ee8c..d4d04ee8c 100644
--- a/application/palemoon/base/content/abouthome/addons@2x.png
+++ b/application/palemoon/components/abouthome/addons@2x.png
diff --git a/application/palemoon/base/content/abouthome/bookmarks.png b/application/palemoon/components/abouthome/bookmarks.png
index 5c7e194a6..5c7e194a6 100644
--- a/application/palemoon/base/content/abouthome/bookmarks.png
+++ b/application/palemoon/components/abouthome/bookmarks.png
diff --git a/application/palemoon/base/content/abouthome/bookmarks@2x.png b/application/palemoon/components/abouthome/bookmarks@2x.png
index 7ede00744..7ede00744 100644
--- a/application/palemoon/base/content/abouthome/bookmarks@2x.png
+++ b/application/palemoon/components/abouthome/bookmarks@2x.png
diff --git a/application/palemoon/base/content/abouthome/downloads.png b/application/palemoon/components/abouthome/downloads.png
index 3d4d10e7a..3d4d10e7a 100644
--- a/application/palemoon/base/content/abouthome/downloads.png
+++ b/application/palemoon/components/abouthome/downloads.png
diff --git a/application/palemoon/base/content/abouthome/downloads@2x.png b/application/palemoon/components/abouthome/downloads@2x.png
index d384a22c6..d384a22c6 100644
--- a/application/palemoon/base/content/abouthome/downloads@2x.png
+++ b/application/palemoon/components/abouthome/downloads@2x.png
diff --git a/application/palemoon/base/content/abouthome/history.png b/application/palemoon/components/abouthome/history.png
index ae742b1aa..ae742b1aa 100644
--- a/application/palemoon/base/content/abouthome/history.png
+++ b/application/palemoon/components/abouthome/history.png
diff --git a/application/palemoon/base/content/abouthome/history@2x.png b/application/palemoon/components/abouthome/history@2x.png
index 696902e7c..696902e7c 100644
--- a/application/palemoon/base/content/abouthome/history@2x.png
+++ b/application/palemoon/components/abouthome/history@2x.png
diff --git a/application/palemoon/components/abouthome/jar.mn b/application/palemoon/components/abouthome/jar.mn
new file mode 100644
index 000000000..e1ae4ac42
--- /dev/null
+++ b/application/palemoon/components/abouthome/jar.mn
@@ -0,0 +1,33 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+browser.jar:
+* content/browser/abouthome/aboutHome.xhtml
+  content/browser/abouthome/aboutHome.js
+* content/browser/abouthome/aboutHome.css
+  content/browser/abouthome/noise.png
+  content/browser/abouthome/snippet1.png
+  content/browser/abouthome/snippet2.png
+  content/browser/abouthome/downloads.png
+  content/browser/abouthome/bookmarks.png
+  content/browser/abouthome/history.png
+  content/browser/abouthome/addons.png
+#ifdef MOZ_SERVICES_SYNC
+  content/browser/abouthome/sync.png
+#endif
+  content/browser/abouthome/settings.png
+  content/browser/abouthome/restore.png
+  content/browser/abouthome/restore-large.png
+  content/browser/abouthome/snippet1@2x.png
+  content/browser/abouthome/snippet2@2x.png
+  content/browser/abouthome/downloads@2x.png
+  content/browser/abouthome/bookmarks@2x.png
+  content/browser/abouthome/history@2x.png
+  content/browser/abouthome/addons@2x.png
+#ifdef MOZ_SERVICES_SYNC
+  content/browser/abouthome/sync@2x.png
+#endif
+  content/browser/abouthome/settings@2x.png
+  content/browser/abouthome/restore@2x.png
+  content/browser/abouthome/restore-large@2x.png
\ No newline at end of file
diff --git a/application/basilisk/components/contextualidentity/moz.build b/application/palemoon/components/abouthome/moz.build
index aac3a838c..2d64d506c 100644
--- a/application/basilisk/components/contextualidentity/moz.build
+++ b/application/palemoon/components/abouthome/moz.build
@@ -1,7 +1,8 @@
-# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# -*- Mode: python; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40 -*-
 # vim: set filetype=python:
 # This Source Code Form is subject to the terms of the Mozilla Public
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 JAR_MANIFESTS += ['jar.mn']
+
diff --git a/application/palemoon/base/content/abouthome/noise.png b/application/palemoon/components/abouthome/noise.png
index 3467cf4d4..3467cf4d4 100644
--- a/application/palemoon/base/content/abouthome/noise.png
+++ b/application/palemoon/components/abouthome/noise.png
diff --git a/application/palemoon/base/content/abouthome/restore-large.png b/application/palemoon/components/abouthome/restore-large.png
index ef593e6e1..ef593e6e1 100644
--- a/application/palemoon/base/content/abouthome/restore-large.png
+++ b/application/palemoon/components/abouthome/restore-large.png
diff --git a/application/palemoon/base/content/abouthome/restore-large@2x.png b/application/palemoon/components/abouthome/restore-large@2x.png
index d5c71d0b0..d5c71d0b0 100644
--- a/application/palemoon/base/content/abouthome/restore-large@2x.png
+++ b/application/palemoon/components/abouthome/restore-large@2x.png
diff --git a/application/palemoon/base/content/abouthome/restore.png b/application/palemoon/components/abouthome/restore.png
index 5c3d6f437..5c3d6f437 100644
--- a/application/palemoon/base/content/abouthome/restore.png
+++ b/application/palemoon/components/abouthome/restore.png
diff --git a/application/palemoon/base/content/abouthome/restore@2x.png b/application/palemoon/components/abouthome/restore@2x.png
index 5acb63052..5acb63052 100644
--- a/application/palemoon/base/content/abouthome/restore@2x.png
+++ b/application/palemoon/components/abouthome/restore@2x.png
diff --git a/application/palemoon/base/content/abouthome/settings.png b/application/palemoon/components/abouthome/settings.png
index 4b0c30990..4b0c30990 100644
--- a/application/palemoon/base/content/abouthome/settings.png
+++ b/application/palemoon/components/abouthome/settings.png
diff --git a/application/palemoon/base/content/abouthome/settings@2x.png b/application/palemoon/components/abouthome/settings@2x.png
index c77cb9a92..c77cb9a92 100644
--- a/application/palemoon/base/content/abouthome/settings@2x.png
+++ b/application/palemoon/components/abouthome/settings@2x.png
diff --git a/application/palemoon/base/content/abouthome/snippet1.png b/application/palemoon/components/abouthome/snippet1.png
index ce2ec55c2..ce2ec55c2 100644
--- a/application/palemoon/base/content/abouthome/snippet1.png
+++ b/application/palemoon/components/abouthome/snippet1.png
diff --git a/application/palemoon/base/content/abouthome/snippet1@2x.png b/application/palemoon/components/abouthome/snippet1@2x.png
index f57cd0a82..f57cd0a82 100644
--- a/application/palemoon/base/content/abouthome/snippet1@2x.png
+++ b/application/palemoon/components/abouthome/snippet1@2x.png
diff --git a/application/palemoon/base/content/abouthome/snippet2.png b/application/palemoon/components/abouthome/snippet2.png
index e0724fb6d..e0724fb6d 100644
--- a/application/palemoon/base/content/abouthome/snippet2.png
+++ b/application/palemoon/components/abouthome/snippet2.png
diff --git a/application/palemoon/base/content/abouthome/snippet2@2x.png b/application/palemoon/components/abouthome/snippet2@2x.png
index 40577f52f..40577f52f 100644
--- a/application/palemoon/base/content/abouthome/snippet2@2x.png
+++ b/application/palemoon/components/abouthome/snippet2@2x.png
diff --git a/application/palemoon/base/content/abouthome/sync.png b/application/palemoon/components/abouthome/sync.png
index 11e40cc93..11e40cc93 100644
--- a/application/palemoon/base/content/abouthome/sync.png
+++ b/application/palemoon/components/abouthome/sync.png
diff --git a/application/palemoon/base/content/abouthome/sync@2x.png b/application/palemoon/components/abouthome/sync@2x.png
index 6354f5bf9..6354f5bf9 100644
--- a/application/palemoon/base/content/abouthome/sync@2x.png
+++ b/application/palemoon/components/abouthome/sync@2x.png
diff --git a/application/palemoon/components/build/moz.build b/application/palemoon/components/build/moz.build
index c85723e16..ea1f77163 100644
--- a/application/palemoon/components/build/moz.build
+++ b/application/palemoon/components/build/moz.build
@@ -4,18 +4,13 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-EXPORTS += [
-    'nsBrowserCompsCID.h',
-]
+EXPORTS += ['nsBrowserCompsCID.h']
 
-SOURCES += [
-    'nsModule.cpp',
-]
+SOURCES += ['nsModule.cpp']
 
 XPCOMBinaryComponent('browsercomps')
 
 LOCAL_INCLUDES += [
-    '../about',
     '../dirprovider',
     '../feeds',
     '../shell',
diff --git a/application/palemoon/components/build/nsBrowserCompsCID.h b/application/palemoon/components/build/nsBrowserCompsCID.h
index 23670ae80..bbaa9ab8a 100644
--- a/application/palemoon/components/build/nsBrowserCompsCID.h
+++ b/application/palemoon/components/build/nsBrowserCompsCID.h
@@ -26,10 +26,6 @@
 #define NS_PRIVATE_BROWSING_SERVICE_WRAPPER_CID \
 { 0x136e2c4d, 0xc5a4, 0x477c, { 0xb1, 0x31, 0xd9, 0x3d, 0x7d, 0x70, 0x4f, 0x64 } }
 
-// 7e4bb6ad-2fc4-4dc6-89ef-23e8e5ccf980
-#define NS_BROWSER_ABOUT_REDIRECTOR_CID \
-{ 0x7e4bb6ad, 0x2fc4, 0x4dc6, { 0x89, 0xef, 0x23, 0xe8, 0xe5, 0xcc, 0xf9, 0x80 } }
-
 // {6DEB193C-F87D-4078-BC78-5E64655B4D62}
 #define NS_BROWSERDIRECTORYPROVIDER_CID \
 { 0x6deb193c, 0xf87d, 0x4078, { 0xbc, 0x78, 0x5e, 0x64, 0x65, 0x5b, 0x4d, 0x62 } }
diff --git a/application/palemoon/components/build/nsModule.cpp b/application/palemoon/components/build/nsModule.cpp
index 304280ca9..f98fc08d7 100644
--- a/application/palemoon/components/build/nsModule.cpp
+++ b/application/palemoon/components/build/nsModule.cpp
@@ -18,8 +18,6 @@
 
 #include "rdf.h"
 #include "nsFeedSniffer.h"
-#include "AboutRedirector.h"
-#include "nsIAboutModule.h"
 
 #include "nsNetCID.h"
 
@@ -45,7 +43,6 @@ NS_DEFINE_NAMED_CID(NS_SHELLSERVICE_CID);
 NS_DEFINE_NAMED_CID(NS_SHELLSERVICE_CID);
 #endif
 NS_DEFINE_NAMED_CID(NS_FEEDSNIFFER_CID);
-NS_DEFINE_NAMED_CID(NS_BROWSER_ABOUT_REDIRECTOR_CID);
 #ifdef XP_MACOSX
 NS_DEFINE_NAMED_CID(NS_SHELLSERVICE_CID);
 #endif
@@ -58,7 +55,6 @@ static const mozilla::Module::CIDEntry kBrowserCIDs[] = {
     { &kNS_SHELLSERVICE_CID, false, nullptr, nsGNOMEShellServiceConstructor },
 #endif
     { &kNS_FEEDSNIFFER_CID, false, nullptr, nsFeedSnifferConstructor },
-    { &kNS_BROWSER_ABOUT_REDIRECTOR_CID, false, nullptr, AboutRedirector::Create },
 #ifdef XP_MACOSX
     { &kNS_SHELLSERVICE_CID, false, nullptr, nsMacShellServiceConstructor },
 #endif
@@ -73,22 +69,6 @@ static const mozilla::Module::ContractIDEntry kBrowserContracts[] = {
     { NS_SHELLSERVICE_CONTRACTID, &kNS_SHELLSERVICE_CID },
 #endif
     { NS_FEEDSNIFFER_CONTRACTID, &kNS_FEEDSNIFFER_CID },
-    { NS_ABOUT_MODULE_CONTRACTID_PREFIX "certerror", &kNS_BROWSER_ABOUT_REDIRECTOR_CID },
-    { NS_ABOUT_MODULE_CONTRACTID_PREFIX "socialerror", &kNS_BROWSER_ABOUT_REDIRECTOR_CID },
-    { NS_ABOUT_MODULE_CONTRACTID_PREFIX "feeds", &kNS_BROWSER_ABOUT_REDIRECTOR_CID },
-    { NS_ABOUT_MODULE_CONTRACTID_PREFIX "privatebrowsing", &kNS_BROWSER_ABOUT_REDIRECTOR_CID },
-    { NS_ABOUT_MODULE_CONTRACTID_PREFIX "rights", &kNS_BROWSER_ABOUT_REDIRECTOR_CID },
-    { NS_ABOUT_MODULE_CONTRACTID_PREFIX "palemoon", &kNS_BROWSER_ABOUT_REDIRECTOR_CID },
-    { NS_ABOUT_MODULE_CONTRACTID_PREFIX "robots", &kNS_BROWSER_ABOUT_REDIRECTOR_CID },
-    { NS_ABOUT_MODULE_CONTRACTID_PREFIX "sessionrestore", &kNS_BROWSER_ABOUT_REDIRECTOR_CID },
-#ifdef MOZ_SERVICES_SYNC
-    { NS_ABOUT_MODULE_CONTRACTID_PREFIX "sync-tabs", &kNS_BROWSER_ABOUT_REDIRECTOR_CID },
-    { NS_ABOUT_MODULE_CONTRACTID_PREFIX "sync-progress", &kNS_BROWSER_ABOUT_REDIRECTOR_CID },
-#endif
-    { NS_ABOUT_MODULE_CONTRACTID_PREFIX "home", &kNS_BROWSER_ABOUT_REDIRECTOR_CID },
-    { NS_ABOUT_MODULE_CONTRACTID_PREFIX "newtab", &kNS_BROWSER_ABOUT_REDIRECTOR_CID },
-    { NS_ABOUT_MODULE_CONTRACTID_PREFIX "permissions", &kNS_BROWSER_ABOUT_REDIRECTOR_CID },
-    { NS_ABOUT_MODULE_CONTRACTID_PREFIX "downloads", &kNS_BROWSER_ABOUT_REDIRECTOR_CID },
 #ifdef XP_MACOSX
     { NS_SHELLSERVICE_CONTRACTID, &kNS_SHELLSERVICE_CID },
 #endif
diff --git a/application/palemoon/components/certerror/jar.mn b/application/palemoon/components/certerror/jar.mn
index 64aecae92..08e071027 100644
--- a/application/palemoon/components/certerror/jar.mn
+++ b/application/palemoon/components/certerror/jar.mn
@@ -3,5 +3,5 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 browser.jar:
-  content/browser/certerror/aboutCertError.xhtml               (content/aboutCertError.xhtml)
-  content/browser/certerror/aboutCertError.css                 (content/aboutCertError.css)
+  content/browser/certerror/aboutCertError.xhtml      (content/aboutCertError.xhtml)
+  content/browser/certerror/aboutCertError.css        (content/aboutCertError.css)
diff --git a/application/palemoon/components/certerror/moz.build b/application/palemoon/components/certerror/moz.build
index 35f6d454a..c97072bba 100644
--- a/application/palemoon/components/certerror/moz.build
+++ b/application/palemoon/components/certerror/moz.build
@@ -4,5 +4,4 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-
 JAR_MANIFESTS += ['jar.mn']
\ No newline at end of file
diff --git a/application/palemoon/components/dirprovider/moz.build b/application/palemoon/components/dirprovider/moz.build
index e51e63449..b01c4a3bc 100644
--- a/application/palemoon/components/dirprovider/moz.build
+++ b/application/palemoon/components/dirprovider/moz.build
@@ -4,16 +4,10 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-EXPORTS.mozilla.browser += [
-    'DirectoryProvider.h',
-]
+EXPORTS.mozilla.browser += ['DirectoryProvider.h']
 
-SOURCES += [
-    'DirectoryProvider.cpp',
-]
+SOURCES += ['DirectoryProvider.cpp']
 
 FINAL_LIBRARY = 'browsercomps'
 
-LOCAL_INCLUDES += [
-    '../build'
-]
+LOCAL_INCLUDES += ['../build']
diff --git a/application/palemoon/components/downloads/DownloadsCommon.jsm b/application/palemoon/components/downloads/DownloadsCommon.jsm
index bd5d55a73..efe31ce05 100644
--- a/application/palemoon/components/downloads/DownloadsCommon.jsm
+++ b/application/palemoon/components/downloads/DownloadsCommon.jsm
@@ -21,15 +21,9 @@ this.EXPORTED_SYMBOLS = [
  *
  * DownloadsData
  * Retrieves the list of past and completed downloads from the underlying
- * Download Manager data, and provides asynchronous notifications allowing
+ * Downloads API data, and provides asynchronous notifications allowing
  * to build a consistent view of the available data.
  *
- * DownloadsDataItem
- * Represents a single item in the list of downloads.  This object either wraps
- * an existing nsIDownload from the Download Manager, or provides the same
- * information read directly from the downloads database, with the possibility
- * of querying the nsIDownload lazily, for performance reasons.
- *
  * DownloadsIndicatorData
  * This object registers itself with DownloadsData as a view, and transforms the
  * notifications it receives into overall status data, that is then broadcast to
@@ -57,6 +51,8 @@ XPCOMUtils.defineLazyModuleGetter(this, "DownloadUIHelper",
                                   "resource://gre/modules/DownloadUIHelper.jsm");
 XPCOMUtils.defineLazyModuleGetter(this, "DownloadUtils",
                                   "resource://gre/modules/DownloadUtils.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "FileUtils",
+                                  "resource://gre/modules/FileUtils.jsm");
 XPCOMUtils.defineLazyModuleGetter(this, "OS",
                                   "resource://gre/modules/osfile.jsm")
 XPCOMUtils.defineLazyModuleGetter(this, "PlacesUtils",
@@ -94,11 +90,6 @@ const kDownloadsStringsRequiringPluralForm = {
   otherDownloads2: true
 };
 
-XPCOMUtils.defineLazyGetter(this, "DownloadsLocalFileCtor", function () {
-  return Components.Constructor("@mozilla.org/file/local;1",
-                                "nsILocalFile", "initWithPath");
-});
-
 const kPartialDownloadSuffix = ".part";
 
 const kPrefBranch = Services.prefs.getBranch("browser.download.");
@@ -382,17 +373,27 @@ this.DownloadsCommon = {
   },
 
   /**
-   * Given an iterable collection of DownloadDataItems, generates and returns
+   * Helper function required because the Downloads Panel and the Downloads View
+   * don't share the controller yet.
+   */
+  removeAndFinalizeDownload(download) {
+    Downloads.getList(Downloads.ALL)
+             .then(list => list.remove(download))
+             .then(() => download.finalize(true))
+             .catch(Cu.reportError);
+  },
+
+  /**
+   * Given an iterable collection of Download objects, generates and returns
    * statistics about that collection.
    *
-   * @param aDataItems An iterable collection of DownloadDataItems.
+   * @param downloads An iterable collection of Download objects.
    *
    * @return Object whose properties are the generated statistics. Currently,
    *         we return the following properties:
    *
    *         numActive       : The total number of downloads.
    *         numPaused       : The total number of paused downloads.
-   *         numScanning     : The total number of downloads being scanned.
    *         numDownloading  : The total number of downloads being downloaded.
    *         totalSize       : The total size of all downloads once completed.
    *         totalTransferred: The total amount of transferred data for these
@@ -402,55 +403,48 @@ this.DownloadsCommon = {
    *                           complete.
    *         percentComplete : The percentage of bytes successfully downloaded.
    */
-  summarizeDownloads: function DC_summarizeDownloads(aDataItems)
-  {
+  summarizeDownloads(downloads) {
     let summary = {
       numActive: 0,
       numPaused: 0,
-      numScanning: 0,
       numDownloading: 0,
       totalSize: 0,
       totalTransferred: 0,
       // slowestSpeed is Infinity so that we can use Math.min to
       // find the slowest speed. We'll set this to 0 afterwards if
       // it's still at Infinity by the time we're done iterating all
-      // dataItems.
+      // download.
       slowestSpeed: Infinity,
       rawTimeLeft: -1,
       percentComplete: -1
     }
 
-    for (let dataItem of aDataItems) {
+    for (let download of downloads) {
       summary.numActive++;
-      switch (dataItem.state) {
-        case nsIDM.DOWNLOAD_PAUSED:
-          summary.numPaused++;
-          break;
-        case nsIDM.DOWNLOAD_SCANNING:
-          summary.numScanning++;
-          break;
-        case nsIDM.DOWNLOAD_DOWNLOADING:
-          summary.numDownloading++;
-          if (dataItem.maxBytes > 0 && dataItem.speed > 0) {
-            let sizeLeft = dataItem.maxBytes - dataItem.currBytes;
-            summary.rawTimeLeft = Math.max(summary.rawTimeLeft,
-                                           sizeLeft / dataItem.speed);
-            summary.slowestSpeed = Math.min(summary.slowestSpeed,
-                                            dataItem.speed);
-          }
-          break;
+
+      if (!download.stopped) {
+        summary.numDownloading++;
+        if (download.hasProgress && download.speed > 0) {
+          let sizeLeft = download.totalBytes - download.currentBytes;
+          summary.rawTimeLeft = Math.max(summary.rawTimeLeft,
+                                         sizeLeft / download.speed);
+          summary.slowestSpeed = Math.min(summary.slowestSpeed,
+                                          download.speed);
+        }
+      } else if (download.canceled && download.hasPartialData) {
+        summary.numPaused++;
       }
       // Only add to total values if we actually know the download size.
-      if (dataItem.maxBytes > 0 &&
-          dataItem.state != nsIDM.DOWNLOAD_CANCELED &&
-          dataItem.state != nsIDM.DOWNLOAD_FAILED) {
-        summary.totalSize += dataItem.maxBytes;
-        summary.totalTransferred += dataItem.currBytes;
+      if (download.succeeded) {
+        summary.totalSize += download.target.size;
+        summary.totalTransferred += download.target.size;
+      } else if (download.hasProgress) {
+        summary.totalSize += download.totalBytes;
+        summary.totalTransferred += download.currentBytes;
       }
     }
 
-    if (summary.numActive != 0 && summary.totalSize != 0 &&
-        summary.numActive != summary.numScanning) {
+    if (summary.totalSize != 0) {
       summary.percentComplete = (summary.totalTransferred /
                                  summary.totalSize) * 100;
     }
@@ -501,7 +495,7 @@ this.DownloadsCommon = {
 
   /**
    * Opens a downloaded file.
-   * If you've a dataItem, you should call dataItem.openLocalFile.
+   *
    * @param aFile
    *        the downloaded file to be opened.
    * @param aMimeInfo
@@ -574,7 +568,6 @@ this.DownloadsCommon = {
 
   /**
    * Show a downloaded file in the system file manager.
-   * If you have a dataItem, use dataItem.showLocalFile.
    *
    * @param aFile
    *        a downloaded file.
@@ -651,19 +644,12 @@ XPCOMUtils.defineLazyGetter(DownloadsCommon, "useJSTransfer", function () {
 function DownloadsDataCtor(aPrivate) {
   this._isPrivate = aPrivate;
 
-  // This Object contains all the available DownloadsDataItem objects, indexed by
-  // their globally unique identifier.  The identifiers of downloads that have
-  // been removed from the Download Manager data are still present, however the
-  // associated objects are replaced with the value "null".  This is required to
-  // prevent race conditions when populating the list asynchronously.
-  this.dataItems = {};
+  // Contains all the available Download objects and their integer state.
+  this.oldDownloadStates = new Map();
 
   // Array of view objects that should be notified when the available download
   // data changes.
   this._views = [];
-
-  // Maps Download objects to DownloadDataItem objects.
-  this._downloadToDataItemMap = new Map();
 }
 
 DownloadsDataCtor.prototype = {
@@ -690,12 +676,19 @@ DownloadsDataCtor.prototype = {
   },
 
   /**
+   * Iterator for all the available Download objects. This is empty until the
+   * data has been loaded using the JavaScript API for downloads.
+   */
+  get downloads() this.oldDownloadStates.keys(),
+
+  /**
    * True if there are finished downloads that can be removed from the list.
    */
   get canRemoveFinished()
   {
-    for (let [, dataItem] of Iterator(this.dataItems)) {
-      if (dataItem && !dataItem.inProgress) {
+    for (let download of this.downloads) {
+      // Stopped, paused, and failed downloads with partial data are removed.
+      if (download.stopped && !(download.canceled && download.hasPartialData)) {
         return true;
       }
     }
@@ -716,103 +709,87 @@ DownloadsDataCtor.prototype = {
   //////////////////////////////////////////////////////////////////////////////
   //// Integration with the asynchronous Downloads back-end
 
-  onDownloadAdded: function (aDownload)
-  {
-    let dataItem = new DownloadsDataItem(aDownload);
-    this._downloadToDataItemMap.set(aDownload, dataItem);
-    this.dataItems[dataItem.downloadGuid] = dataItem;
-
-    for (let view of this._views) {
-      view.onDataItemAdded(dataItem, true);
-    }
-
-    this._updateDataItemState(dataItem);
-  },
-
-  onDownloadChanged: function (aDownload)
-  {
-    let dataItem = this._downloadToDataItemMap.get(aDownload);
-    if (!dataItem) {
-      Cu.reportError("Download doesn't exist.");
-      return;
-    }
+  onDownloadAdded(download) {
+    // Download objects do not store the end time of downloads, as the Downloads
+    // API does not need to persist this information for all platforms. Once a
+    // download terminates on a Desktop browser, it becomes a history download,
+    // for which the end time is stored differently, as a Places annotation.
+    download.endTime = Date.now();
 
-    this._updateDataItemState(dataItem);
-  },
+    this.oldDownloadStates.set(download,
+                               DownloadsCommon.stateOfDownload(download));
 
-  onDownloadRemoved: function (aDownload)
-  {
-    let dataItem = this._downloadToDataItemMap.get(aDownload);
-    if (!dataItem) {
-      Cu.reportError("Download doesn't exist.");
-      return;
-    }
-
-    this._downloadToDataItemMap.delete(aDownload);
-    this.dataItems[dataItem.downloadGuid] = null;
     for (let view of this._views) {
-      view.onDataItemRemoved(dataItem);
-    }
-  },
-
-  /**
-   * Updates the given data item and sends related notifications.
-   */
-  _updateDataItemState: function (aDataItem)
-  {
-    let oldState = aDataItem.state;
-    let wasInProgress = aDataItem.inProgress;
-    let wasDone = aDataItem.done;
-
-    aDataItem.updateFromJSDownload();
-
-    if (wasInProgress && !aDataItem.inProgress) {
-      aDataItem.endTime = Date.now();
-    }
+      view.onDownloadAdded(download, true);
+    }
+  },
+
+  onDownloadChanged(download) {
+    let oldState = this.oldDownloadStates.get(download);
+    let newState = DownloadsCommon.stateOfDownload(download);
+    this.oldDownloadStates.set(download, newState);
+
+    if (oldState != newState) {
+      if (download.succeeded ||
+          (download.canceled && !download.hasPartialData) ||
+          download.error) {
+        // Store the end time that may be displayed by the views.
+        download.endTime = Date.now();
+
+        // This state transition code should actually be located in a Downloads
+        // API module (bug 941009).  Moreover, the fact that state is stored as
+        // annotations should be ideally hidden behind methods of
+        // nsIDownloadHistory (bug 830415).
+        if (!this._isPrivate) {
+          try {
+            let downloadMetaData = {
+              state: DownloadsCommon.stateOfDownload(download),
+              endTime: download.endTime,
+            };
+            if (download.succeeded) {
+              downloadMetaData.fileSize = download.target.size;
+            }
+  
+            PlacesUtils.annotations.setPageAnnotation(
+                          NetUtil.newURI(download.source.url),
+                          "downloads/metaData",
+                          JSON.stringify(downloadMetaData), 0,
+                          PlacesUtils.annotations.EXPIRE_WITH_HISTORY);
+          } catch (ex) {
+            Cu.reportError(ex);
+          }
+        }
+      }
 
-    if (oldState != aDataItem.state) {
       for (let view of this._views) {
         try {
-          view.getViewItem(aDataItem).onStateChange(oldState);
+          view.onDownloadStateChanged(download);
         } catch (ex) {
           Cu.reportError(ex);
         }
       }
 
-      // This state transition code should actually be located in a Downloads
-      // API module (bug 941009).  Moreover, the fact that state is stored as
-      // annotations should be ideally hidden behind methods of
-      // nsIDownloadHistory (bug 830415).
-      if (!this._isPrivate && !aDataItem.inProgress) {
-        try {
-          let downloadMetaData = { state: aDataItem.state,
-                                   endTime: aDataItem.endTime };
-          if (aDataItem.done) {
-            downloadMetaData.fileSize = aDataItem.maxBytes;
-          }
-
-          // RRR: Annotation service throws here. commented out for now.
-          /*PlacesUtils.annotations.setPageAnnotation(
-                        NetUtil.newURI(aDataItem.uri), "downloads/metaData",
-                        JSON.stringify(downloadMetaData), 0,
-                        PlacesUtils.annotations.EXPIRE_WITH_HISTORY);*/
-        } catch (ex) {
-          Cu.reportError(ex);
-        }
+      if (download.succeeded ||
+          (download.error && download.error.becauseBlocked)) {
+        this._notifyDownloadEvent("finish");
       }
     }
 
-    if (!aDataItem.newDownloadNotified) {
-      aDataItem.newDownloadNotified = true;
+    if (!download.newDownloadNotified) {
+      download.newDownloadNotified = true;
       this._notifyDownloadEvent("start");
     }
 
-    if (!wasDone && aDataItem.done) {
-      this._notifyDownloadEvent("finish");
+    for (let view of this._views) {
+      view.onDownloadChanged(download);
     }
+  },
+
+  onDownloadRemoved(download) {
+    this.oldDownloadStates.delete(download);
 
     for (let view of this._views) {
-      view.getViewItem(aDataItem).onProgressChange();
+      view.onDownloadRemoved(download);
     }
   },
 
@@ -864,19 +841,9 @@ DownloadsDataCtor.prototype = {
     //let loadedItemsArray = [dataItem
     //                        for each (dataItem in this.dataItems)
     //                        if (dataItem)];
-
-    let loadedItemsArray = [];
-
-    for each (let dataItem in this.dataItems) {
-      if (dataItem) {
-        loadedItemsArray.push(dataItem);
-      }
-    }
-
-    loadedItemsArray.sort(function(a, b) b.startTime - a.startTime);
-    loadedItemsArray.forEach(
-      function (dataItem) aView.onDataItemAdded(dataItem, false)
-    );
+    let downloadsArray = [...this.downloads];
+    downloadsArray.sort((a, b) => b.startTime - a.startTime);
+    downloadsArray.forEach(download => aView.onDownloadAdded(download, false));
 
     // Notify the view that all data is available unless loading is in progress.
     if (!this._pendingStatement) {
@@ -1328,410 +1295,6 @@ XPCOMUtils.defineLazyGetter(this, "DownloadsData", function() {
 });
 
 ////////////////////////////////////////////////////////////////////////////////
-//// DownloadsDataItem
-
-/**
- * Represents a single item in the list of downloads.  This object either wraps
- * an existing nsIDownload from the Download Manager, or provides the same
- * information read directly from the downloads database, with the possibility
- * of querying the nsIDownload lazily, for performance reasons.
- *
- * @param aSource
- *        Object containing the data with which the item should be initialized.
- *        This should implement either nsIDownload or mozIStorageRow.  If the
- *        JavaScript API for downloads is enabled, this is a Download object.
- */
-function DownloadsDataItem(aSource)
-{
-  this._initFromJSDownload(aSource);
-}
-
-DownloadsDataItem.prototype = {
-  /**
-   * The JavaScript API does not need identifiers for Download objects, so they
-   * are generated sequentially for the corresponding DownloadDataItem.
-   */
-  get _autoIncrementId() ++DownloadsDataItem.prototype.__lastId,
-  __lastId: 0,
-
-  /**
-   * Initializes this object from the JavaScript API for downloads.
-   *
-   * The endTime property is initialized to the current date and time.
-   *
-   * @param aDownload
-   *        The Download object with the current state.
-   */
-  _initFromJSDownload: function (aDownload)
-  {
-    this._download = aDownload;
-
-    this.downloadGuid = "id:" + this._autoIncrementId;
-    this.file = aDownload.target.path;
-    this.target = OS.Path.basename(aDownload.target.path);
-    this.uri = aDownload.source.url;
-    this.endTime = Date.now();
-
-    this.updateFromJSDownload();
-  },
-
-  /**
-   * Updates this object from the JavaScript API for downloads.
-   */
-  updateFromJSDownload: function ()
-  {
-    // Collapse state using the correct priority.
-    if (this._download.succeeded) {
-      this.state = nsIDM.DOWNLOAD_FINISHED;
-    } else if (this._download.error &&
-               this._download.error.becauseBlockedByParentalControls) {
-      this.state = nsIDM.DOWNLOAD_BLOCKED_PARENTAL;
-    } else if (this._download.error) {
-      this.state = nsIDM.DOWNLOAD_FAILED;
-    } else if (this._download.canceled && this._download.hasPartialData) {
-      this.state = nsIDM.DOWNLOAD_PAUSED;
-    } else if (this._download.canceled) {
-      this.state = nsIDM.DOWNLOAD_CANCELED;
-    } else if (this._download.stopped) {
-      this.state = nsIDM.DOWNLOAD_NOTSTARTED;
-    } else {
-      this.state = nsIDM.DOWNLOAD_DOWNLOADING;
-    }
-
-    this.referrer = this._download.source.referrer;
-    this.startTime = this._download.startTime;
-    this.currBytes = this._download.currentBytes;
-    this.resumable = this._download.hasPartialData;
-    this.speed = this._download.speed;
-
-    if (this._download.succeeded) {
-      // If the download succeeded, show the final size if available, otherwise
-      // use the last known number of bytes transferred.  The final size on disk
-      // will be available when bug 941063 is resolved.
-      this.maxBytes = this._download.hasProgress ?
-                             this._download.totalBytes :
-                             this._download.currentBytes;
-      this.percentComplete = 100;
-    } else if (this._download.hasProgress) {
-      // If the final size and progress are known, use them.
-      this.maxBytes = this._download.totalBytes;
-      this.percentComplete = this._download.progress;
-    } else {
-      // The download final size and progress percentage is unknown.
-      this.maxBytes = -1;
-      this.percentComplete = -1;
-    }
-  },
-
-  /**
-   * Initializes this object from a download object of the Download Manager.
-   *
-   * The endTime property is initialized to the current date and time.
-   *
-   * @param aDownload
-   *        The nsIDownload with the current state.
-   */
-  _initFromDownload: function DDI_initFromDownload(aDownload)
-  {
-    this._download = aDownload;
-
-    // Fetch all the download properties eagerly.
-    this.downloadGuid = aDownload.guid;
-    this.file = aDownload.target.spec;
-    this.target = aDownload.displayName;
-    this.uri = aDownload.source.spec;
-    this.referrer = aDownload.referrer && aDownload.referrer.spec;
-    this.state = aDownload.state;
-    this.startTime = Math.round(aDownload.startTime / 1000);
-    this.endTime = Date.now();
-    this.currBytes = aDownload.amountTransferred;
-    this.maxBytes = aDownload.size;
-    this.resumable = aDownload.resumable;
-    this.speed = aDownload.speed;
-    this.percentComplete = aDownload.percentComplete;
-  },
-
-  /**
-   * Initializes this object from a data row in the downloads database, without
-   * querying the associated nsIDownload object, to improve performance when
-   * loading the list of downloads asynchronously.
-   *
-   * When this object is initialized in this way, accessing the "download"
-   * property loads the underlying nsIDownload object synchronously, and should
-   * be avoided unless the object is really required.
-   *
-   * @param aStorageRow
-   *        The mozIStorageRow from the downloads database.
-   */
-  _initFromDataRow: function DDI_initFromDataRow(aStorageRow)
-  {
-    // Get the download properties from the data row.
-    this._download = null;
-    this.downloadGuid = aStorageRow.getResultByName("guid");
-    this.file = aStorageRow.getResultByName("target");
-    this.target = aStorageRow.getResultByName("name");
-    this.uri = aStorageRow.getResultByName("source");
-    this.referrer = aStorageRow.getResultByName("referrer");
-    this.state = aStorageRow.getResultByName("state");
-    this.startTime = Math.round(aStorageRow.getResultByName("startTime") / 1000);
-    this.endTime = Math.round(aStorageRow.getResultByName("endTime") / 1000);
-    this.currBytes = aStorageRow.getResultByName("currBytes");
-    this.maxBytes = aStorageRow.getResultByName("maxBytes");
-
-    // Now we have to determine if the download is resumable, but don't want to
-    // access the underlying download object unnecessarily.  The only case where
-    // the property is relevant is when we are currently downloading data, and
-    // in this case the download object is already loaded in memory or will be
-    // loaded very soon in any case.  In all the other cases, including a paused
-    // download, we assume that the download is resumable.  The property will be
-    // updated as soon as the underlying download state changes.
-
-    // We'll start by assuming we're resumable, and then if we're downloading,
-    // update resumable property in case we were wrong.
-    this.resumable = true;
-
-    if (this.state == nsIDM.DOWNLOAD_DOWNLOADING) {
-      this.getDownload(function(aDownload) {
-        this.resumable = aDownload.resumable;
-      }.bind(this));
-    }
-
-    // Compute the other properties without accessing the download object.
-    this.speed = 0;
-    this.percentComplete = this.maxBytes <= 0
-                           ? -1
-                           : Math.round(this.currBytes / this.maxBytes * 100);
-  },
-
-  /**
-   * Asynchronous getter for the download object corresponding to this data item.
-   *
-   * @param aCallback
-   *        A callback function which will be called when the download object is
-   *        available.  It should accept one argument which will be the download
-   *        object.
-   */
-  getDownload: function DDI_getDownload(aCallback) {
-    if (this._download) {
-      // Return the download object asynchronously to the caller
-      let download = this._download;
-      Services.tm.mainThread.dispatch(function () aCallback(download),
-                                      Ci.nsIThread.DISPATCH_NORMAL);
-    } else {
-      Services.downloads.getDownloadByGUID(this.downloadGuid,
-                                           function(aStatus, aResult) {
-        if (!Components.isSuccessCode(aStatus)) {
-          Cu.reportError(
-            new Components.Exception("Cannot retrieve download for GUID: " +
-                                     this.downloadGuid));
-        } else {
-          this._download = aResult;
-          aCallback(aResult);
-        }
-      }.bind(this));
-    }
-  },
-
-  /**
-   * Indicates whether the download is proceeding normally, and not finished
-   * yet.  This includes paused downloads.  When this property is true, the
-   * "progress" property represents the current progress of the download.
-   */
-  get inProgress()
-  {
-    return [
-      nsIDM.DOWNLOAD_NOTSTARTED,
-      nsIDM.DOWNLOAD_QUEUED,
-      nsIDM.DOWNLOAD_DOWNLOADING,
-      nsIDM.DOWNLOAD_PAUSED,
-      nsIDM.DOWNLOAD_SCANNING,
-    ].indexOf(this.state) != -1;
-  },
-
-  /**
-   * This is true during the initial phases of a download, before the actual
-   * download of data bytes starts.
-   */
-  get starting()
-  {
-    return this.state == nsIDM.DOWNLOAD_NOTSTARTED ||
-           this.state == nsIDM.DOWNLOAD_QUEUED;
-  },
-
-  /**
-   * Indicates whether the download is paused.
-   */
-  get paused()
-  {
-    return this.state == nsIDM.DOWNLOAD_PAUSED;
-  },
-
-  /**
-   * Indicates whether the download is in a final state, either because it
-   * completed successfully or because it was blocked.
-   */
-  get done()
-  {
-    return [
-      nsIDM.DOWNLOAD_FINISHED,
-      nsIDM.DOWNLOAD_BLOCKED_PARENTAL,
-      nsIDM.DOWNLOAD_BLOCKED_POLICY,
-      nsIDM.DOWNLOAD_DIRTY,
-    ].indexOf(this.state) != -1;
-  },
-
-  /**
-   * Indicates whether the download is finished and can be opened.
-   */
-  get openable()
-  {
-    return this.state == nsIDM.DOWNLOAD_FINISHED;
-  },
-
-  /**
-   * Indicates whether the download stopped because of an error, and can be
-   * resumed manually.
-   */
-  get canRetry()
-  {
-    return this.state == nsIDM.DOWNLOAD_CANCELED ||
-           this.state == nsIDM.DOWNLOAD_FAILED;
-  },
-
-  /**
-   * Returns the nsILocalFile for the download target.
-   *
-   * @throws if the native path is not valid.  This can happen if the same
-   *         profile is used on different platforms, for example if a native
-   *         Windows path is stored and then the item is accessed on a Mac.
-   */
-  get localFile()
-  {
-    return this._getFile(this.file);
-  },
-
-  /**
-   * Returns the nsILocalFile for the partially downloaded target.
-   *
-   * @throws if the native path is not valid.  This can happen if the same
-   *         profile is used on different platforms, for example if a native
-   *         Windows path is stored and then the item is accessed on a Mac.
-   */
-  get partFile()
-  {
-    return this._getFile(this.file + kPartialDownloadSuffix);
-  },
-
-  /**
-   * Returns an nsILocalFile for aFilename. aFilename might be a file URL or
-   * a native path.
-   *
-   * @param aFilename the filename of the file to retrieve.
-   * @return an nsILocalFile for the file.
-   * @throws if the native path is not valid.  This can happen if the same
-   *         profile is used on different platforms, for example if a native
-   *         Windows path is stored and then the item is accessed on a Mac.
-   * @note This function makes no guarantees about the file's existence -
-   *       callers should check that the returned file exists.
-   */
-  _getFile: function DDI__getFile(aFilename)
-  {
-    // The download database may contain targets stored as file URLs or native
-    // paths.  This can still be true for previously stored items, even if new
-    // items are stored using their file URL.  See also bug 239948 comment 12.
-    if (aFilename.startsWith("file:")) {
-      // Assume the file URL we obtained from the downloads database or from the
-      // "spec" property of the target has the UTF-8 charset.
-      let fileUrl = NetUtil.newURI(aFilename).QueryInterface(Ci.nsIFileURL);
-      return fileUrl.file.clone().QueryInterface(Ci.nsILocalFile);
-    } else {
-      // The downloads database contains a native path.  Try to create a local
-      // file, though this may throw an exception if the path is invalid.
-      return new DownloadsLocalFileCtor(aFilename);
-    }
-  },
-
-  /**
-   * Open the target file for this download.
-   *
-   * @param aOwnerWindow
-   *        The window with which the required action is associated.
-   * @throws if the file cannot be opened.
-   */
-  openLocalFile: function DDI_openLocalFile(aOwnerWindow) {
-    this._download.launch().then(null, Cu.reportError);
-    return;
-  },
-
-  /**
-   * Show the downloaded file in the system file manager.
-   */
-  showLocalFile: function DDI_showLocalFile() {
-    DownloadsCommon.showDownloadedFile(this.localFile);
-  },
-
-  /**
-   * Resumes the download if paused, pauses it if active.
-   * @throws if the download is not resumable or if has already done.
-   */
-  togglePauseResume: function DDI_togglePauseResume() {
-    if (this._download.stopped) {
-      this._download.start();
-    } else {
-      this._download.cancel();
-    }
-    return;
-  },
-
-  /**
-   * Attempts to retry the download.
-   * @throws if we cannot.
-   */
-  retry: function DDI_retry() {
-    this._download.start();
-    return;
-  },
-
-  /**
-   * Support function that deletes the local file for a download. This is
-   * used in cases where the Download Manager service doesn't delete the file
-   * from disk when cancelling. See bug 732924.
-   */
-  _ensureLocalFileRemoved: function DDI__ensureLocalFileRemoved()
-  {
-    try {
-      let localFile = this.localFile;
-      if (localFile.exists()) {
-        localFile.remove(false);
-      }
-    } catch (ex) { }
-  },
-
-  /**
-   * Cancels the download.
-   * @throws if the download is already done.
-   */
-  cancel: function() {
-    this._download.cancel();
-    this._download.removePartialData().then(null, Cu.reportError);
-    return;
-  },
-
-  /**
-   * Remove the download.
-   */
-  remove: function DDI_remove() {
-    let promiseList = this._download.source.isPrivate
-                        ? Downloads.getList(Downloads.PUBLIC)
-                        : Downloads.getList(Downloads.PRIVATE);
-    promiseList.then(list => list.remove(this._download))
-               .then(() => this._download.finalize(true))
-               .then(null, Cu.reportError);
-    return;
-  }
-};
-
-////////////////////////////////////////////////////////////////////////////////
 //// DownloadsViewPrototype
 
 /**
@@ -1858,9 +1421,9 @@ const DownloadsViewPrototype = {
    * Called when a new download data item is available, either during the
    * asynchronous data load or when a new download is started.
    *
-   * @param aDataItem
-   *        DownloadsDataItem object that was just added.
-   * @param aNewest
+   * @param download
+   *        Download object that was just added.
+   * @param newest
    *        When true, indicates that this item is the most recent and should be
    *        added in the topmost position.  This happens when a new download is
    *        started.  When false, indicates that the item is the least recent
@@ -1869,37 +1432,46 @@ const DownloadsViewPrototype = {
    *
    * @note Subclasses should override this.
    */
-  onDataItemAdded: function DVP_onDataItemAdded(aDataItem, aNewest)
-  {
+  onDownloadAdded(download, newest) {
     throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
   },
 
   /**
-   * Called when a data item is removed, ensures that the widget associated with
-   * the view item is removed from the user interface.
+   * Called when the overall state of a Download has changed. In particular,
+   * this is called only once when the download succeeds or is blocked
+   * permanently, and is never called if only the current progress changed.
    *
-   * @param aDataItem
-   *        DownloadsDataItem object that is being removed.
+   * The onDownloadChanged notification will always be sent afterwards.
    *
    * @note Subclasses should override this.
    */
-  onDataItemRemoved: function DVP_onDataItemRemoved(aDataItem)
-  {
+  onDownloadStateChanged(download) {
     throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
   },
 
   /**
-   * Returns the view item associated with the provided data item for this view.
+   * Called every time any state property of a Download may have changed,
+   * including progress properties.
    *
-   * @param aDataItem
-   *        DownloadsDataItem object for which the view item is requested.
+   * Note that progress notification changes are throttled at the Downloads.jsm
+   * API level, and there is no throttling mechanism in the front-end.
+   *
+   * @note Subclasses should override this.
+   */
+  onDownloadChanged(download) {
+    throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
+  },
+
+  /**
+   * Called when a data item is removed, ensures that the widget associated with
+   * the view item is removed from the user interface.
    *
-   * @return Object that can be used to notify item status events.
+   * @param download
+   *        Download object that is being removed.
    *
    * @note Subclasses should override this.
    */
-  getViewItem: function DID_getViewItem(aDataItem)
-  {
+  onDownloadRemoved(download) {
     throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
   },
 
@@ -1963,9 +1535,6 @@ DownloadsIndicatorDataCtor.prototype = {
   //////////////////////////////////////////////////////////////////////////////
   //// Callback functions from DownloadsData
 
-  /**
-   * Called after data loading finished.
-   */
   onDataLoadCompleted: function DID_onDataLoadCompleted()
   {
     DownloadsViewPrototype.onDataLoadCompleted.call(this);
@@ -1982,69 +1551,28 @@ DownloadsIndicatorDataCtor.prototype = {
     this._itemCount = 0;
   },
 
-  /**
-   * Called when a new download data item is available, either during the
-   * asynchronous data load or when a new download is started.
-   *
-   * @param aDataItem
-   *        DownloadsDataItem object that was just added.
-   * @param aNewest
-   *        When true, indicates that this item is the most recent and should be
-   *        added in the topmost position.  This happens when a new download is
-   *        started.  When false, indicates that the item is the least recent
-   *        with regard to the items that have been already added. The latter
-   *        generally happens during the asynchronous data load.
-   */
-  onDataItemAdded: function DID_onDataItemAdded(aDataItem, aNewest)
-  {
+  onDownloadAdded(download, newest) {
     this._itemCount++;
     this._updateViews();
   },
 
-  /**
-   * Called when a data item is removed, ensures that the widget associated with
-   * the view item is removed from the user interface.
-   *
-   * @param aDataItem
-   *        DownloadsDataItem object that is being removed.
-   */
-  onDataItemRemoved: function DID_onDataItemRemoved(aDataItem)
-  {
-    this._itemCount--;
-    this._updateViews();
-  },
+  onDownloadStateChanged(download) {
+    if (download.succeeded || download.error) {
+      this.attention = true;
+    }
 
-  /**
-   * Returns the view item associated with the provided data item for this view.
-   *
-   * @param aDataItem
-   *        DownloadsDataItem object for which the view item is requested.
-   *
-   * @return Object that can be used to notify item status events.
-   */
-  getViewItem: function DID_getViewItem(aDataItem)
-  {
-    let data = this._isPrivate ? PrivateDownloadsIndicatorData
-                               : DownloadsIndicatorData;
-    return Object.freeze({
-      onStateChange: function DIVI_onStateChange(aOldState)
-      {
-        if (aDataItem.state == nsIDM.DOWNLOAD_FINISHED ||
-            aDataItem.state == nsIDM.DOWNLOAD_FAILED) {
-          data.attention = true;
-        }
+    // Since the state of a download changed, reset the estimated time left.
+    this._lastRawTimeLeft = -1;
+    this._lastTimeLeft = -1;
+  },
 
-        // Since the state of a download changed, reset the estimated time left.
-        data._lastRawTimeLeft = -1;
-        data._lastTimeLeft = -1;
+  onDownloadChanged(download) {
+    this._updateViews();
+  },
 
-        data._updateViews();
-      },
-      onProgressChange: function DIVI_onProgressChange()
-      {
-        data._updateViews();
-      }
-    });
+  onDownloadRemoved(download) {
+    this._itemCount--;
+    this._updateViews();
   },
 
   //////////////////////////////////////////////////////////////////////////////
@@ -2135,18 +1663,17 @@ DownloadsIndicatorDataCtor.prototype = {
   _lastTimeLeft: -1,
 
   /**
-   * A generator function for the dataItems that this summary is currently
+   * A generator function for the Download objects this summary is currently
    * interested in. This generator is passed off to summarizeDownloads in order
-   * to generate statistics about the dataItems we care about - in this case,
-   * it's all dataItems for active downloads.
-   */
-  _activeDataItems: function DID_activeDataItems()
-  {
-    let dataItems = this._isPrivate ? PrivateDownloadsData.dataItems
-                                    : DownloadsData.dataItems;
-    for each (let dataItem in dataItems) {
-      if (dataItem && dataItem.inProgress) {
-        yield dataItem;
+   * to generate statistics about the downloads we care about - in this case,
+   * it's all active downloads.
+   */
+  * _activeDownloads() {
+    let downloads = this._isPrivate ? PrivateDownloadsData.downloads
+                                    : DownloadsData.downloads;
+    for (let download of downloads) {
+      if (!download.stopped || (download.canceled && download.hasPartialData)) {
+        yield download;
       }
     }
   },
@@ -2157,7 +1684,7 @@ DownloadsIndicatorDataCtor.prototype = {
   _refreshProperties: function DID_refreshProperties()
   {
     let summary =
-      DownloadsCommon.summarizeDownloads(this._activeDataItems());
+      DownloadsCommon.summarizeDownloads(this._activeDownloads());
 
     // Determine if the indicator should be shown or get attention.
     this._hasDownloads = (this._itemCount > 0);
@@ -2218,7 +1745,7 @@ function DownloadsSummaryData(aIsPrivate, aNumToExclude) {
   // completely separated from one another.
   this._loading = false;
 
-  this._dataItems = [];
+  this._downloads = [];
 
   // Floating point value indicating the last number of seconds estimated until
   // the longest download will finish.  We need to store this value so that we
@@ -2258,9 +1785,9 @@ DownloadsSummaryData.prototype = {
     DownloadsViewPrototype.removeView.call(this, aView);
 
     if (this._views.length == 0) {
-      // Clear out our collection of DownloadDataItems. If we ever have
+      // Clear out our collection of Download objects. If we ever have
       // another view registered with us, this will get re-populated.
-      this._dataItems = [];
+      this._downloads = [];
     }
   },
 
@@ -2280,40 +1807,30 @@ DownloadsSummaryData.prototype = {
     this._dataItems = [];
   },
 
-  onDataItemAdded: function DSD_onDataItemAdded(aDataItem, aNewest)
-  {
-    if (aNewest) {
-      this._dataItems.unshift(aDataItem);
+  onDownloadAdded(download, newest) {
+    if (newest) {
+      this._downloads.unshift(download);
     } else {
-      this._dataItems.push(aDataItem);
+      this._downloads.push(download);
     }
 
     this._updateViews();
   },
 
-  onDataItemRemoved: function DSD_onDataItemRemoved(aDataItem)
-  {
-    let itemIndex = this._dataItems.indexOf(aDataItem);
-    this._dataItems.splice(itemIndex, 1);
+  onDownloadStateChanged() {
+    // Since the state of a download changed, reset the estimated time left.
+    this._lastRawTimeLeft = -1;
+    this._lastTimeLeft = -1;
+  },
+
+  onDownloadChanged() {
     this._updateViews();
   },
 
-  getViewItem: function DSD_getViewItem(aDataItem)
-  {
-    let self = this;
-    return Object.freeze({
-      onStateChange: function DIVI_onStateChange(aOldState)
-      {
-        // Since the state of a download changed, reset the estimated time left.
-        self._lastRawTimeLeft = -1;
-        self._lastTimeLeft = -1;
-        self._updateViews();
-      },
-      onProgressChange: function DIVI_onProgressChange()
-      {
-        self._updateViews();
-      }
-    });
+  onDownloadRemoved(download) {
+    let itemIndex = this._downloads.indexOf(download);
+    this._downloads.splice(itemIndex, 1);
+    this._updateViews();
   },
 
   //////////////////////////////////////////////////////////////////////////////
@@ -2351,17 +1868,16 @@ DownloadsSummaryData.prototype = {
   //// Property updating based on current download status
 
   /**
-   * A generator function for the dataItems that this summary is currently
+   * A generator function for the Download objects this summary is currently
    * interested in. This generator is passed off to summarizeDownloads in order
-   * to generate statistics about the dataItems we care about - in this case,
-   * it's the dataItems in this._dataItems after the first few to exclude,
+   * to generate statistics about the downloads we care about - in this case,
+   * it's the downloads in this._downloads after the first few to exclude,
    * which was set when constructing this DownloadsSummaryData instance.
    */
-  _dataItemsForSummary: function DSD_dataItemsForSummary()
-  {
-    if (this._dataItems.length > 0) {
-      for (let i = this._numToExclude; i < this._dataItems.length; ++i) {
-        yield this._dataItems[i];
+  * _downloadsForSummary() {
+    if (this._downloads.length > 0) {
+      for (let i = this._numToExclude; i < this._downloads.length; ++i) {
+        yield this._downloads[i];
       }
     }
   },
@@ -2373,7 +1889,7 @@ DownloadsSummaryData.prototype = {
   {
     // Pre-load summary with default values.
     let summary =
-      DownloadsCommon.summarizeDownloads(this._dataItemsForSummary());
+      DownloadsCommon.summarizeDownloads(this._downloadsForSummary());
 
     this._description = DownloadsCommon.strings
                                        .otherDownloads2(summary.numActive);
diff --git a/application/palemoon/components/downloads/DownloadsViewUI.jsm b/application/palemoon/components/downloads/DownloadsViewUI.jsm
new file mode 100644
index 000000000..ede593e22
--- /dev/null
+++ b/application/palemoon/components/downloads/DownloadsViewUI.jsm
@@ -0,0 +1,250 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/*
+ * This module is imported by code that uses the "download.xml" binding, and
+ * provides prototypes for objects that handle input and display information.
+ */
+
+"use strict";
+
+this.EXPORTED_SYMBOLS = [
+  "DownloadsViewUI",
+];
+
+const { classes: Cc, interfaces: Ci, utils: Cu, results: Cr } = Components;
+
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
+
+XPCOMUtils.defineLazyModuleGetter(this, "DownloadUtils",
+                                  "resource://gre/modules/DownloadUtils.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "DownloadsCommon",
+                                  "resource:///modules/DownloadsCommon.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "OS",
+                                  "resource://gre/modules/osfile.jsm");
+
+this.DownloadsViewUI = {};
+
+/**
+ * A download element shell is responsible for handling the commands and the
+ * displayed data for a single element that uses the "download.xml" binding.
+ *
+ * The information to display is obtained through the associated Download object
+ * from the JavaScript API for downloads, and commands are executed using a
+ * combination of Download methods and DownloadsCommon.jsm helper functions.
+ *
+ * Specialized versions of this shell must be defined, and they are required to
+ * implement the "download" property or getter. Currently these objects are the
+ * HistoryDownloadElementShell and the DownloadsViewItem for the panel. The
+ * history view may use a HistoryDownload object in place of a Download object.
+ */
+this.DownloadsViewUI.DownloadElementShell = function () {}
+
+this.DownloadsViewUI.DownloadElementShell.prototype = {
+  /**
+   * The richlistitem for the download, initialized by the derived object.
+   */
+  element: null,
+
+  /**
+   * URI string for the file type icon displayed in the download element.
+   */
+  get image() {
+    if (!this.download.target.path) {
+      // Old history downloads may not have a target path.
+      return "moz-icon://.unknown?size=32";
+    }
+
+    // When a download that was previously in progress finishes successfully, it
+    // means that the target file now exists and we can extract its specific
+    // icon, for example from a Windows executable. To ensure that the icon is
+    // reloaded, however, we must change the URI used by the XUL image element,
+    // for example by adding a query parameter. This only works if we add one of
+    // the parameters explicitly supported by the nsIMozIconURI interface.
+    return "moz-icon://" + this.download.target.path + "?size=32" +
+           (this.download.succeeded ? "&state=normal" : "");
+  },
+
+  /**
+   * The user-facing label for the download. This is normally the leaf name of
+   * the download target file. In case this is a very old history download for
+   * which the target file is unknown, the download source URI is displayed.
+   */
+  get displayName() {
+    if (!this.download.target.path) {
+      return this.download.source.url;
+    }
+    return OS.Path.basename(this.download.target.path);
+  },
+
+  get extendedDisplayName() {
+    let s = DownloadsCommon.strings;
+    let referrer = this.download.source.referrer ||
+                   this.download.source.url;
+    let [displayHost, fullHost] = DownloadUtils.getURIHost(referrer);
+    return s.statusSeparator(this.displayName, displayHost);
+  },
+  
+  get extendedDisplayNameTip() {
+    let s = DownloadsCommon.strings;
+    let referrer = this.download.source.referrer ||
+                   this.download.source.url;
+    let [displayHost, fullHost] = DownloadUtils.getURIHost(referrer);
+    return s.statusSeparator(this.displayName, fullHost);
+  },
+
+  /**
+   * The progress element for the download, or undefined in case the XBL binding
+   * has not been applied yet.
+   */
+  get _progressElement() {
+    if (!this.__progressElement) {
+      // If the element is not available now, we will try again the next time.
+      this.__progressElement =
+           this.element.ownerDocument.getAnonymousElementByAttribute(
+                                         this.element, "anonid",
+                                         "progressmeter");
+    }
+    return this.__progressElement;
+  },
+
+  /**
+   * Processes a major state change in the user interface, then proceeds with
+   * the normal progress update. This function is not called for every progress
+   * update in order to improve performance.
+   */
+  _updateState() {
+    this.element.setAttribute("displayName", this.displayName);
+    this.element.setAttribute("extendedDisplayName", this.extendedDisplayName);
+    this.element.setAttribute("extendedDisplayNameTip", this.extendedDisplayNameTip);
+    this.element.setAttribute("image", this.image);
+    this.element.setAttribute("state",
+                              DownloadsCommon.stateOfDownload(this.download));
+
+    // Since state changed, reset the time left estimation.
+    this.lastEstimatedSecondsLeft = Infinity;
+
+    this._updateProgress();
+  },
+
+  /**
+   * Updates the elements that change regularly for in-progress downloads,
+   * namely the progress bar and the status line.
+   */
+  _updateProgress() {
+    if (this.download.succeeded) {
+      // We only need to add or remove this attribute for succeeded downloads.
+      if (this.download.target.exists) {
+       this.element.setAttribute("exists", "true");
+      } else {
+        this.element.removeAttribute("exists");
+      }
+    }
+
+    // The progress bar is only displayed for in-progress downloads.
+    if (this.download.hasProgress) {
+      this.element.setAttribute("progressmode", "normal");
+      this.element.setAttribute("progress", this.download.progress);
+    } else {
+      this.element.setAttribute("progressmode", "undetermined");
+    }
+
+    // Dispatch the ValueChange event for accessibility, if possible.
+    if (this._progressElement) {
+      let event = this.element.ownerDocument.createEvent("Events");
+      event.initEvent("ValueChange", true, true);
+      this._progressElement.dispatchEvent(event);
+    }
+
+    let status = this.statusTextAndTip;
+    this.element.setAttribute("status", status.text);
+    this.element.setAttribute("statusTip", status.tip);
+  },
+
+  lastEstimatedSecondsLeft: Infinity,
+
+  /**
+   * Returns the text for the status line and the associated tooltip. These are
+   * returned by a single property because they are computed together. The
+   * result may be overridden by derived objects.
+   */
+  get statusTextAndTip() this.rawStatusTextAndTip,
+
+  /**
+   * Derived objects may call this to get the status text.
+   */
+  get rawStatusTextAndTip() {
+    const nsIDM = Ci.nsIDownloadManager;
+    let s = DownloadsCommon.strings;
+
+    let text = "";
+    let tip = "";
+
+    if (!this.download.stopped) {
+      let totalBytes = this.download.hasProgress ? this.download.totalBytes
+                                                 : -1;
+      // By default, extended status information including the individual
+      // download rate is displayed in the tooltip. The history view overrides
+      // the getter and displays the datails in the main area instead.
+      [text] = DownloadUtils.getDownloadStatusNoRate(
+                                          this.download.currentBytes,
+                                          totalBytes,
+                                          this.download.speed,
+                                          this.lastEstimatedSecondsLeft);
+      let newEstimatedSecondsLeft;
+      [tip, newEstimatedSecondsLeft] = DownloadUtils.getDownloadStatus(
+                                          this.download.currentBytes,
+                                          totalBytes,
+                                          this.download.speed,
+                                          this.lastEstimatedSecondsLeft);
+      this.lastEstimatedSecondsLeft = newEstimatedSecondsLeft;
+    } else if (this.download.canceled && this.download.hasPartialData) {
+      let totalBytes = this.download.hasProgress ? this.download.totalBytes
+                                                 : -1;
+      let transfer = DownloadUtils.getTransferTotal(this.download.currentBytes,
+                                                    totalBytes);
+
+      // We use the same XUL label to display both the state and the amount
+      // transferred, for example "Paused -  1.1 MB".
+      text = s.statusSeparatorBeforeNumber(s.statePaused, transfer);
+    } else if (!this.download.succeeded && !this.download.canceled &&
+               !this.download.error) {
+      text = s.stateStarting;
+    } else {
+      let stateLabel;
+
+      if (this.download.succeeded) {
+        // For completed downloads, show the file size (e.g. "1.5 MB").
+        if (this.download.target.size !== undefined) {
+          let [size, unit] =
+            DownloadUtils.convertByteUnits(this.download.target.size);
+          stateLabel = s.sizeWithUnits(size, unit);
+        } else {
+          // History downloads may not have a size defined.
+          stateLabel = s.sizeUnknown;
+        }
+      } else if (this.download.canceled) {
+        stateLabel = s.stateCanceled;
+      } else if (this.download.error.becauseBlockedByParentalControls) {
+        stateLabel = s.stateBlockedParentalControls;
+      } else if (this.download.error.becauseBlockedByReputationCheck) {
+        stateLabel = s.stateDirty;
+      } else {
+        stateLabel = s.stateFailed;
+      }
+
+      let referrer = this.download.source.referrer || this.download.source.url;
+      let [displayHost, fullHost] = DownloadUtils.getURIHost(referrer);
+
+      let date = new Date(this.download.endTime);
+      let [displayDate, fullDate] = DownloadUtils.getReadableDates(date);
+
+      let firstPart = s.statusSeparator(stateLabel, displayHost);
+      text = s.statusSeparator(firstPart, displayDate);
+      tip = s.statusSeparator(fullHost, fullDate);
+    }
+
+    return { text, tip: tip || text };
+  },
+};
diff --git a/application/palemoon/components/downloads/content/allDownloadsViewOverlay.js b/application/palemoon/components/downloads/content/allDownloadsViewOverlay.js
index 054f0405f..4830f2128 100644
--- a/application/palemoon/components/downloads/content/allDownloadsViewOverlay.js
+++ b/application/palemoon/components/downloads/content/allDownloadsViewOverlay.js
@@ -2,30 +2,32 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
  * You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-/**
- * THE PLACES VIEW IMPLEMENTED IN THIS FILE HAS A VERY PARTICULAR USE CASE.
- * IT IS HIGHLY RECOMMENDED NOT TO EXTEND IT FOR ANY OTHER USE CASES OR RELY
- * ON IT AS AN API.
- */
-
-var Cu = Components.utils;
-var Ci = Components.interfaces;
-var Cc = Components.classes;
+var { classes: Cc, interfaces: Ci, utils: Cu, results: Cr } = Components;
 
 Cu.import("resource://gre/modules/XPCOMUtils.jsm");
-Cu.import("resource://gre/modules/Services.jsm");
-Cu.import("resource://gre/modules/NetUtil.jsm");
-Cu.import("resource://gre/modules/DownloadUtils.jsm");
-Cu.import("resource:///modules/DownloadsCommon.jsm");
-Cu.import("resource://gre/modules/PlacesUtils.jsm");
-Cu.import("resource://gre/modules/osfile.jsm");
-
-XPCOMUtils.defineLazyModuleGetter(this, "PrivateBrowsingUtils",
-                                  "resource://gre/modules/PrivateBrowsingUtils.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "RecentWindow",
-                                  "resource:///modules/RecentWindow.jsm");
+
+XPCOMUtils.defineLazyModuleGetter(this, "DownloadUtils",
+                                  "resource://gre/modules/DownloadUtils.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "DownloadsCommon",
+                                  "resource:///modules/DownloadsCommon.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "DownloadsViewUI",
+                                  "resource:///modules/DownloadsViewUI.jsm");
 XPCOMUtils.defineLazyModuleGetter(this, "FileUtils",
                                   "resource://gre/modules/FileUtils.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "NetUtil",
+                                  "resource://gre/modules/NetUtil.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "OS",
+                                  "resource://gre/modules/osfile.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "PlacesUtils",
+                                  "resource://gre/modules/PlacesUtils.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "Promise",
+                                  "resource://gre/modules/Promise.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "RecentWindow",
+                                  "resource:///modules/RecentWindow.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "Services",
+                                  "resource://gre/modules/Services.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "Task",
+                                  "resource://gre/modules/Task.jsm");
 
 const nsIDM = Ci.nsIDownloadManager;
 
@@ -38,549 +40,268 @@ const DOWNLOAD_VIEW_SUPPORTED_COMMANDS =
   "downloadsCmd_open", "downloadsCmd_show", "downloadsCmd_retry",
   "downloadsCmd_openReferrer", "downloadsCmd_clearDownloads"];
 
-const NOT_AVAILABLE = Number.MAX_VALUE;
-
 /**
- * A download element shell is responsible for handling the commands and the
- * displayed data for a single download view element. The download element
- * could represent either a past download (for which we get data from places)  or
- * a "session" download (using a data-item object. See DownloadsCommon.jsm), or both.
- *
- * Once initialized with either a data item or a places node, the created richlistitem
- * can be accessed through the |element| getter, and can then be inserted/removed from
- * a richlistbox.
- *
- * The shell doesn't take care of inserting the item, or removing it when it's no longer
- * valid. That's the caller (a DownloadsPlacesView object) responsibility.
+ * Represents a download from the browser history. It implements part of the
+ * interface of the Download object.
  *
- * The caller is also responsible for "passing over" notification from both the
- * download-view and the places-result-observer, in the following manner:
- *  - The DownloadsPlacesView object implements getViewItem of the download-view
- *    pseudo interface.  It returns this object (therefore we implement
- *    onStateChangea and onProgressChange here).
- *  - The DownloadsPlacesView object adds itself as a places result observer and
- *    calls this object's placesNodeIconChanged, placesNodeTitleChanged and
- *    placeNodeAnnotationChanged from its callbacks.
- *
- * @param [optional] aDataItem
- *        The data item of a the session download. Required if aPlacesNode is not set
- * @param [optional] aPlacesNode
- *        The places node for a past download. Required if aDataItem is not set.
- * @param [optional] aAnnotations
- *        Map containing annotations values, to speed up the initial loading.
+ * @param aPlacesNode
+ *        The Places node from which the history download should be initialized.
  */
-function DownloadElementShell(aDataItem, aPlacesNode, aAnnotations) {
-  this._element = document.createElement("richlistitem");
-  this._element._shell = this;
-
-  this._element.classList.add("download");
-  this._element.classList.add("download-state");
-
-  if (aAnnotations)
-    this._annotations = aAnnotations;
-  if (aDataItem)
-    this.dataItem = aDataItem;
-  if (aPlacesNode)
-    this.placesNode = aPlacesNode;
+function HistoryDownload(aPlacesNode) {
+  // TODO (bug 829201): history downloads should get the referrer from Places.
+  this.source = {
+    url: aPlacesNode.uri,
+  };
+  this.target = {
+    path: undefined,
+    exists: false,
+    size: undefined,
+  };
+
+  // In case this download cannot obtain its end time from the Places metadata,
+  // use the time from the Places node, that is the start time of the download.
+  this.endTime = aPlacesNode.time / 1000;
 }
 
-DownloadElementShell.prototype = {
-  // The richlistitem for the download
-  get element() this._element,
-
+HistoryDownload.prototype = {
   /**
-   * Manages the "active" state of the shell.  By default all the shells
-   * without a dataItem are inactive, thus their UI is not updated.  They must
-   * be activated when entering the visible area.  Session downloads are
-   * always active since they always have a dataItem.
+   * Pushes information from Places metadata into this object.
    */
-  ensureActive: function DES_ensureActive() {
-    if (!this._active) {
-      this._active = true;
-      this._element.setAttribute("active", true);
-      this._updateUI();
-    }
-  },
-  get active() !!this._active,
-
-  // The data item for the download
-  _dataItem: null,
-  get dataItem() this._dataItem,
-
-  set dataItem(aValue) {
-    if (this._dataItem != aValue) {
-      if (!aValue && !this._placesNode)
-        throw new Error("Should always have either a dataItem or a placesNode");
-
-      this._dataItem = aValue;
-      if (!this.active)
-        this.ensureActive();
-      else
-        this._updateUI();
+  updateFromMetaData(metaData) {
+    try {
+      this.target.path = Cc["@mozilla.org/network/protocol;1?name=file"]
+                           .getService(Ci.nsIFileProtocolHandler)
+                           .getFileFromURLSpec(metaData.targetFileSpec).path;
+    } catch (ex) {
+      this.target.path = undefined;
     }
-    return aValue;
-  },
-
-  _placesNode: null,
-  get placesNode() this._placesNode,
-  set placesNode(aValue) {
-    if (this._placesNode != aValue) {
-      if (!aValue && !this._dataItem)
-        throw new Error("Should always have either a dataItem or a placesNode");
-
-      // Preserve the annotations map if this is the first loading and we got
-      // cached values.
-      if (this._placesNode || !this._annotations) {
-        this._annotations = new Map();
-      }
-
-      this._placesNode = aValue;
 
-      // We don't need to update the UI if we had a data item, because
-      // the places information isn't used in this case.
-      if (!this._dataItem && this.active)
-        this._updateUI();
+    if ("state" in metaData) {
+      this.succeeded = metaData.state == nsIDM.DOWNLOAD_FINISHED;
+      this.error = metaData.state == nsIDM.DOWNLOAD_FAILED
+                   ? { message: "History download failed." }
+                   : metaData.state == nsIDM.DOWNLOAD_BLOCKED_PARENTAL
+                   ? { becauseBlockedByParentalControls: true }
+                   : metaData.state == nsIDM.DOWNLOAD_DIRTY
+                   ? { becauseBlockedByReputationCheck: true }
+                   : null;
+      this.canceled = metaData.state == nsIDM.DOWNLOAD_CANCELED ||
+                      metaData.state == nsIDM.DOWNLOAD_PAUSED;
+      this.endTime = metaData.endTime;
+
+      // Normal history downloads are assumed to exist until the user interface
+      // is refreshed, at which point these values may be updated.
+      this.target.exists = true;
+      this.target.size = metaData.fileSize;
+    } else {
+      // Metadata might be missing from a download that has started but hasn't
+      // stopped already. Normally, this state is overridden with the one from
+      // the corresponding in-progress session download. But if the browser is
+      // terminated abruptly and additionally the file with information about
+      // in-progress downloads is lost, we may end up using this state. We use
+      // the failed state to allow the download to be restarted.
+      //
+      // On the other hand, if the download is missing the target file
+      // annotation as well, it is just a very old one, and we can assume it
+      // succeeded.
+      this.succeeded = !this.target.path;
+      this.error = this.target.path ? { message: "Unstarted download." } : null;
+      this.canceled = false;
+
+      // These properties may be updated if the user interface is refreshed.
+      this.target.exists = false;
+      this.target.size = undefined;
     }
-    return aValue;
-  },
-
-  // The download uri (as a string)
-  get downloadURI() {
-    if (this._dataItem)
-     return this._dataItem.uri;
-    if (this._placesNode)
-      return this._placesNode.uri;
-    throw new Error("Unexpected download element state");
   },
 
-  get _downloadURIObj() {
-    if (!("__downloadURIObj" in this))
-      this.__downloadURIObj = NetUtil.newURI(this.downloadURI);
-    return this.__downloadURIObj;
-  },
-
-  _getIcon: function DES__getIcon() {
-    let metaData = this.getDownloadMetaData();
-    if ("filePath" in metaData)
-      return "moz-icon://" + metaData.filePath + "?size=32";
-
-    if (this._placesNode) {
-      // Try to extract an extension from the uri.
-      let ext = this._downloadURIObj.QueryInterface(Ci.nsIURL).fileExtension;
-      if (ext)
-        return "moz-icon://." + ext + "?size=32";
-      return this._placesNode.icon || "moz-icon://.unknown?size=32";
-    }
-    if (this._dataItem)
-      throw new Error("Session-download items should always have a target file uri");
+  /**
+   * History downloads are never in progress.
+   */
+  stopped: true,
 
-    throw new Error("Unexpected download element state");
-  },
+  /**
+   * No percentage indication is shown for history downloads.
+   */
+  hasProgress: false,
 
-  // Helper for getting a places annotation set for the download.
-  _getAnnotation: function DES__getAnnotation(aAnnotation, aDefaultValue) {
-    let value;
-    if (this._annotations.has(aAnnotation))
-      value = this._annotations.get(aAnnotation);
+  /**
+   * History downloads cannot be restarted using their partial data, even if
+   * they are indicated as paused in their Places metadata. The only way is to
+   * use the information from a persisted session download, that will be shown
+   * instead of the history download. In case this session download is not
+   * available, we show the history download as canceled, not paused.
+   */
+  hasPartialData: false,
 
-    // If the value is cached, or we know it doesn't exist, avoid a database
-    // lookup.
-    if (value === undefined) {
-      try {
-        value = PlacesUtils.annotations.getPageAnnotation(
-          this._downloadURIObj, aAnnotation);
-      }
-      catch(ex) {
-        value = NOT_AVAILABLE;
-      }
-    }
+  /**
+   * This method mimicks the "start" method of session downloads, and is called
+   * when the user retries a history download.
+   *
+   * At present, we always ask the user for a new target path when retrying a
+   * history download. In the future we may consider reusing the known target
+   * path if the folder still exists and the file name is not already used,
+   * except when the user preferences indicate that the target path should be
+   * requested every time a new download is started.
+   */
+  start() {
+    let browserWin = RecentWindow.getMostRecentBrowserWindow();
+    let initiatingDoc = browserWin ? browserWin.document : document;
 
-    if (value === NOT_AVAILABLE) {
-      if (aDefaultValue === undefined) {
-        throw new Error("Could not get required annotation '" + aAnnotation +
-                        "' for download with url '" + this.downloadURI + "'");
-      }
-      value = aDefaultValue;
-    }
+    // Do not suggest a file name if we don't know the original target.
+    let leafName = this.target.path ? OS.Path.basename(this.target.path) : null;
+    DownloadURL(this.source.url, leafName, initiatingDoc);
 
-    this._annotations.set(aAnnotation, value);
-    return value;
+    return Promise.resolve();
   },
 
-  _fetchTargetFileInfo: function DES__fetchTargetFileInfo(aUpdateMetaDataAndStatusUI = false) {
-    if (this._targetFileInfoFetched)
-      throw new Error("_fetchTargetFileInfo should not be called if the information was already fetched");
-    if (!this.active)
-      throw new Error("Trying to _fetchTargetFileInfo on an inactive download shell");
-
-    let path = this.getDownloadMetaData().filePath;
-
-    // In previous version, the target file annotations were not set,
-    // so we cannot tell where is the file.
-    if (path === undefined) {
-      this._targetFileInfoFetched = true;
-      this._targetFileExists = false;
-      if (aUpdateMetaDataAndStatusUI) {
-        this._metaData = null;
-        this._updateDownloadStatusUI();
-      }
-      // Here we don't need to update the download commands,
-      // as the state is unknown as it was.
-      return;
+  /**
+   * This method mimicks the "refresh" method of session downloads, except that
+   * it cannot notify that the data changed to the Downloads View.
+   */
+  refresh: Task.async(function* () {
+    try {
+      this.target.size = (yield OS.File.stat(this.target.path)).size;
+      this.target.exists = true;
+    } catch (ex) {
+      // We keep the known file size from the metadata, if any.
+      this.target.exists = false;
     }
+  }),
+};
 
-    OS.File.stat(path).then(
-      function onSuccess(fileInfo) {
-        this._targetFileInfoFetched = true;
-        this._targetFileExists = true;
-        this._targetFileSize = fileInfo.size;
-        if (aUpdateMetaDataAndStatusUI) {
-          this._metaData = null;
-          this._updateDownloadStatusUI();
-        }
-        if (this._element.selected)
-          goUpdateDownloadCommands();
-      }.bind(this),
-
-      function onFailure(reason) {
-        if (reason instanceof OS.File.Error && reason.becauseNoSuchFile) {
-          this._targetFileInfoFetched = true;
-          this._targetFileExists = false;
-        }
-        else {
-          Cu.reportError("Could not fetch info for target file (reason: " +
-                         reason + ")");
-        }
+/**
+ * A download element shell is responsible for handling the commands and the
+ * displayed data for a single download view element.
+ *
+ * The shell may contain a session download, a history download, or both.  When
+ * both a history and a session download are present, the session download gets
+ * priority and its information is displayed.
+ *
+ * On construction, a new richlistitem is created, and can be accessed through
+ * the |element| getter. The shell doesn't insert the item in a richlistbox, the
+ * caller must do it and remove the element when it's no longer needed.
+ *
+ * The caller is also responsible for forwarding status notifications for
+ * session downloads, calling the onStateChanged and onChanged methods.
+ *
+ * @param [optional] aSessionDownload
+ *        The session download, required if aHistoryDownload is not set.
+ * @param [optional] aHistoryDownload
+ *        The history download, required if aSessionDownload is not set.
+ */
+function HistoryDownloadElementShell(aSessionDownload, aHistoryDownload) {
+  this.element = document.createElement("richlistitem");
+  this.element._shell = this;
 
-        if (aUpdateMetaDataAndStatusUI) {
-          this._metaData = null;
-          this._updateDownloadStatusUI();
-        }
+  this.element.classList.add("download");
+  this.element.classList.add("download-state");
 
-        if (this._element.selected)
-          goUpdateDownloadCommands();
-      }.bind(this)
-    );
-  },
+  if (aSessionDownload) {
+    this.sessionDownload = aSessionDownload;
+  }
+  if (aHistoryDownload) {
+    this.historyDownload = aHistoryDownload;
+  }
+}
 
-  _getAnnotatedMetaData: function DES__getAnnotatedMetaData()
-    JSON.parse(this._getAnnotation(DOWNLOAD_META_DATA_ANNO)),
+HistoryDownloadElementShell.prototype = {
+  __proto__: DownloadsViewUI.DownloadElementShell.prototype,
 
-  _extractFilePathAndNameFromFileURI:
-  function DES__extractFilePathAndNameFromFileURI(aFileURI) {
-    let file = Cc["@mozilla.org/network/protocol;1?name=file"]
-                .getService(Ci.nsIFileProtocolHandler)
-                .getFileFromURLSpec(aFileURI);
-    return [file.path, file.leafName];
+  /**
+   * Manages the "active" state of the shell.  By default all the shells without
+   * a session download are inactive, thus their UI is not updated.  They must
+   * be activated when entering the visible area.  Session downloads are always
+   * active.
+   */
+  ensureActive: function DES_ensureActive() {
+    if (!this._active) {
+      this._active = true;
+      this.element.setAttribute("active", true);
+      this._updateUI();
+    }
   },
+  get active() !!this._active,
 
   /**
-   * Retrieve the meta data object for the download.  The following fields
-   * may be set.
-   *
-   * - state - any download state defined in nsIDownloadManager.  If this field
-   *   is not set, the download state is unknown.
-   * - endTime: the end time of the download.
-   * - filePath: the downloaded file path on the file system, when it
-   *   was downloaded.  The file may not exist.  This is set for session
-   *   downloads that have a local file set, and for history downloads done
-   *   after the landing of bug 591289.
-   * - fileName: the downloaded file name on the file system.  Set if filePath
-   *   is set.
-   * - displayName: the user-facing label for the download.  This is always
-   *   set.  If available, it's set to the downloaded file name.  If not,
-   *   the places title for the download uri is used.  As a last resort,
-   *   we fallback to the download uri.
-   * - fileSize (only set for downloads which completed successfully):
-   *   the downloaded file size.  For downloads done after the landing of
-   *   bug 826991, this value is "static" - that is, it does not necessarily
-   *   mean that the file is in place and has this size.
+   * Overrides the base getter to return the Download or HistoryDownload object
+   * for displaying information and executing commands in the user interface.
    */
-  getDownloadMetaData: function DES_getDownloadMetaData() {
-    if (!this._metaData) {
-      if (this._dataItem) {
-        let s = DownloadsCommon.strings;
-        let referrer = this._dataItem.referrer || this._dataItem.uri;
-        let [displayHost, fullHost] = DownloadUtils.getURIHost(referrer);
-        this._metaData = {
-          state:                  this._dataItem.state,
-          endTime:                this._dataItem.endTime,
-          fileName:               this._dataItem.target,
-          displayName:            this._dataItem.target,
-          extendedDisplayName:    s.statusSeparator(this._dataItem.target, displayHost),
-          extendedDisplayNameTip: s.statusSeparator(this._dataItem.target, fullHost)
-        };
-        if (this._dataItem.done)
-          this._metaData.fileSize = this._dataItem.maxBytes;
-        if (this._dataItem.localFile)
-          this._metaData.filePath = this._dataItem.localFile.path;
+  get download() this._sessionDownload || this._historyDownload,
+
+  _sessionDownload: null,
+  get sessionDownload() this._sessionDownload,
+  set sessionDownload(aValue) {
+    if (this._sessionDownload != aValue) {
+      if (!aValue && !this._historyDownload) {
+        throw new Error("Should always have either a Download or a HistoryDownload");
       }
-      else {
-        try {
-          this._metaData = this._getAnnotatedMetaData();
-        }
-        catch(ex) {
-          this._metaData = { };
-          if (this._targetFileInfoFetched && this._targetFileExists) {
-            this._metaData.state = this._targetFileSize > 0 ?
-              nsIDM.DOWNLOAD_FINISHED : nsIDM.DOWNLOAD_FAILED;
-            this._metaData.fileSize = this._targetFileSize;
-          }
 
-          // This is actually the start-time, but it's the best we can get.
-          this._metaData.endTime = this._placesNode.time / 1000;
-        }
+      this._sessionDownload = aValue;
 
-        try {
-          let targetFileURI = this._getAnnotation(DESTINATION_FILE_URI_ANNO);
-          [this._metaData.filePath, this._metaData.fileName] =
-            this._extractFilePathAndNameFromFileURI(targetFileURI);
-          this._metaData.displayName = this._metaData.fileName;
-        }
-        catch(ex) {
-          this._metaData.displayName = this._placesNode.title || this.downloadURI;
-        }
-      }
+      this.ensureActive();
+      this._updateUI();
     }
-    return this._metaData;
+    return aValue;
   },
 
-  // The status text for the download
-  _getStatusText: function DES__getStatusText() {
-    let s = DownloadsCommon.strings;
-    if (this._dataItem && this._dataItem.inProgress) {
-      if (this._dataItem.paused) {
-        let transfer =
-          DownloadUtils.getTransferTotal(this._dataItem.currBytes,
-                                         this._dataItem.maxBytes);
-
-        // We use the same XUL label to display both the state and the amount
-        // transferred, for example "Paused -  1.1 MB".
-        return s.statusSeparatorBeforeNumber(s.statePaused, transfer);
-      }
-      if (this._dataItem.state == nsIDM.DOWNLOAD_DOWNLOADING) {
-        let [status, newEstimatedSecondsLeft] =
-          DownloadUtils.getDownloadStatus(this.dataItem.currBytes,
-                                          this.dataItem.maxBytes,
-                                          this.dataItem.speed,
-                                          this._lastEstimatedSecondsLeft || Infinity);
-        this._lastEstimatedSecondsLeft = newEstimatedSecondsLeft;
-        return status;
-      }
-      if (this._dataItem.starting) {
-        return s.stateStarting;
-      }
-      if (this._dataItem.state == nsIDM.DOWNLOAD_SCANNING) {
-        return s.stateScanning;
+  _historyDownload: null,
+  get historyDownload() this._historyDownload,
+  set historyDownload(aValue) {
+    if (this._historyDownload != aValue) {
+      if (!aValue && !this._sessionDownload) {
+        throw new Error("Should always have either a Download or a HistoryDownload");
       }
 
-      throw new Error("_getStatusText called with a bogus download state");
-    }
+      this._historyDownload = aValue;
 
-    // This is a not-in-progress or history download.
-    let stateLabel = "";
-    let state = this.getDownloadMetaData().state;
-    switch (state) {
-      case nsIDM.DOWNLOAD_FAILED:
-        stateLabel = s.stateFailed;
-        break;
-      case nsIDM.DOWNLOAD_CANCELED:
-        stateLabel = s.stateCanceled;
-        break;
-      case nsIDM.DOWNLOAD_BLOCKED_PARENTAL:
-        stateLabel = s.stateBlockedParentalControls;
-        break;
-      case nsIDM.DOWNLOAD_BLOCKED_POLICY:
-        stateLabel = s.stateBlockedPolicy;
-        break;
-      case nsIDM.DOWNLOAD_DIRTY:
-        stateLabel = s.stateDirty;
-        break;
-      case nsIDM.DOWNLOAD_FINISHED:{
-        // For completed downloads, show the file size (e.g. "1.5 MB")
-        let metaData = this.getDownloadMetaData();
-        if ("fileSize" in metaData) {
-          let [size, unit] = DownloadUtils.convertByteUnits(metaData.fileSize);
-          stateLabel = s.sizeWithUnits(size, unit);
-          break;
-        }
-        // Fallback to default unknown state.
+      // We don't need to update the UI if we had a session data item, because
+      // the places information isn't used in this case.
+      if (!this._sessionDownload) {
+        this._updateUI();
       }
-      default:
-        stateLabel = s.sizeUnknown;
-        break;
-    }
-
-    // TODO (bug 829201): history downloads should get the referrer from Places.
-    let referrer = this._dataItem && this._dataItem.referrer ||
-                   this.downloadURI;
-    let [displayHost, fullHost] = DownloadUtils.getURIHost(referrer);
-
-    let date = new Date(this.getDownloadMetaData().endTime);
-    let [displayDate, fullDate] = DownloadUtils.getReadableDates(date);
-
-    // We use the same XUL label to display the state, the host name, and the
-    // end time.
-    let firstPart = s.statusSeparator(stateLabel, displayHost);
-    return s.statusSeparator(firstPart, displayDate);
-  },
-
-  // The progressmeter element for the download
-  get _progressElement() {
-    if (!("__progressElement" in this)) {
-      this.__progressElement =
-        document.getAnonymousElementByAttribute(this._element, "anonid",
-                                                "progressmeter");
     }
-    return this.__progressElement;
+    return aValue;
   },
 
-  // Updates the download state attribute (and by that hide/unhide the
-  // appropriate buttons and context menu items), the status text label,
-  // and the progress meter.
-  _updateDownloadStatusUI: function  DES__updateDownloadStatusUI() {
-    if (!this.active)
-      throw new Error("_updateDownloadStatusUI called for an inactive item.");
-
-    let state = this.getDownloadMetaData().state;
-    if (state !== undefined)
-      this._element.setAttribute("state", state);
-
-    this._element.setAttribute("status", this._getStatusText());
-
-    // For past-downloads, we're done. For session-downloads, we may also need
-    // to update the progress-meter.
-    if (!this._dataItem)
+  _updateUI() {
+    // There is nothing to do if the item has always been invisible.
+    if (!this.active) {
       return;
-
-    // Copied from updateProgress in downloads.js.
-    if (this._dataItem.starting) {
-      // Before the download starts, the progress meter has its initial value.
-      this._element.setAttribute("progressmode", "normal");
-      this._element.setAttribute("progress", "0");
-    }
-    else if (this._dataItem.state == nsIDM.DOWNLOAD_SCANNING ||
-             this._dataItem.percentComplete == -1) {
-      // We might not know the progress of a running download, and we don't know
-      // the remaining time during the malware scanning phase.
-      this._element.setAttribute("progressmode", "undetermined");
     }
-    else {
-      // This is a running download of which we know the progress.
-      this._element.setAttribute("progressmode", "normal");
-      this._element.setAttribute("progress", this._dataItem.percentComplete);
-    }
-
-    // Dispatch the ValueChange event for accessibility, if possible.
-    if (this._progressElement) {
-      let event = document.createEvent("Events");
-      event.initEvent("ValueChange", true, true);
-      this._progressElement.dispatchEvent(event);
-    }
-  },
-
-  _updateDisplayNameAndIcon: function DES__updateDisplayNameAndIcon() {
-    let metaData = this.getDownloadMetaData();
-    this._element.setAttribute("displayName", metaData.displayName);
-    if ("extendedDisplayName" in metaData)
-      this._element.setAttribute("extendedDisplayName", metaData.extendedDisplayName);
-    if ("extendedDisplayNameTip" in metaData)
-      this._element.setAttribute("extendedDisplayNameTip", metaData.extendedDisplayNameTip);
-    this._element.setAttribute("image", this._getIcon());
-  },
-
-  _updateUI: function DES__updateUI() {
-    if (!this.active)
-      throw new Error("Trying to _updateUI on an inactive download shell");
-
-    this._metaData = null;
-    this._targetFileInfoFetched = false;
 
-    this._updateDisplayNameAndIcon();
+    // Since the state changed, we may need to check the target file again.
+    this._targetFileChecked = false;
 
-    // For history downloads done in past releases, the downloads/metaData
-    // annotation is not set, and therefore we cannot tell the download
-    // state without the target file information.
-    if (this._dataItem || this.getDownloadMetaData().state !== undefined)
-      this._updateDownloadStatusUI();
-    else
-      this._fetchTargetFileInfo(true);
+    this._updateState();
   },
 
-  placesNodeIconChanged: function DES_placesNodeIconChanged() {
-    if (!this._dataItem)
-      this._element.setAttribute("image", this._getIcon());
-  },
+  get statusTextAndTip() {
+    let status = this.rawStatusTextAndTip;
 
-  placesNodeTitleChanged: function DES_placesNodeTitleChanged() {
-    // If there's a file path, we use the leaf name for the title.
-    if (!this._dataItem && this.active && !this.getDownloadMetaData().filePath) {
-      this._metaData = null;
-      this._updateDisplayNameAndIcon();
+    // The base object would show extended progress information in the tooltip,
+    // but we move this to the main view and never display a tooltip.
+    if (!this.download.stopped) {
+      status.text = status.tip;
     }
-  },
+    status.tip = "";
 
-  placesNodeAnnotationChanged: function DES_placesNodeAnnotationChanged(aAnnoName) {
-    this._annotations.delete(aAnnoName);
-    if (!this._dataItem && this.active) {
-      if (aAnnoName == DOWNLOAD_META_DATA_ANNO) {
-        let metaData = this.getDownloadMetaData();
-        let annotatedMetaData = this._getAnnotatedMetaData();
-        metaData.endTime = annotatedMetaData.endTime;
-        if ("fileSize" in annotatedMetaData)
-          metaData.fileSize = annotatedMetaData.fileSize;
-        else
-          delete metaData.fileSize;
-
-        if (metaData.state != annotatedMetaData.state) {
-          metaData.state = annotatedMetaData.state;
-          if (this._element.selected)
-            goUpdateDownloadCommands();
-        }
-
-        this._updateDownloadStatusUI();
-      }
-      else if (aAnnoName == DESTINATION_FILE_URI_ANNO) {
-        let metaData = this.getDownloadMetaData();
-        let targetFileURI = this._getAnnotation(DESTINATION_FILE_URI_ANNO);
-        [metaData.filePath, metaData.fileName] =
-            this._extractFilePathAndNameFromFileURI(targetFileURI);
-        metaData.displayName = metaData.fileName;
-        this._updateDisplayNameAndIcon();
-
-        if (this._targetFileInfoFetched) {
-          // This will also update the download commands if necessary.
-          this._targetFileInfoFetched = false;
-          this._fetchTargetFileInfo();
-        }
-      }
-    }
+    return status;
   },
 
-  /* DownloadView */
-  onStateChange: function DES_onStateChange(aOldState) {
-    let metaData = this.getDownloadMetaData();
-    metaData.state = this.dataItem.state;
-    if (aOldState != nsIDM.DOWNLOAD_FINISHED && aOldState != metaData.state) {
-      // See comment in DVI_onStateChange in downloads.js (the panel-view)
-      this._element.setAttribute("image", this._getIcon() + "&state=normal");
-      metaData.fileSize = this._dataItem.maxBytes;
-      if (this._targetFileInfoFetched) {
-        this._targetFileInfoFetched = false;
-        this._fetchTargetFileInfo();
-      }
-    }
+  onStateChanged() {
+    this.element.setAttribute("image", this.image);
+    this.element.setAttribute("state",
+                              DownloadsCommon.stateOfDownload(this.download));
 
-    this._updateDownloadStatusUI();
-    if (this._element.selected)
+    if (this.element.selected) {
       goUpdateDownloadCommands();
-    else
+    } else {
       goUpdateCommand("downloadsCmd_clearDownloads");
+    }
   },
 
-  /* DownloadView */
-  onProgressChange: function DES_onProgressChange() {
-    this._updateDownloadStatusUI();
+  onChanged() {
+    this._updateProgress();
   },
 
   /* nsIController */
@@ -589,109 +310,79 @@ DownloadElementShell.prototype = {
     if (!this.active && aCommand != "cmd_delete")
       return false;
     switch (aCommand) {
-      case "downloadsCmd_open": {
-        // We cannot open a session download file unless it's done ("openable").
-        // If it's finished, we need to make sure the file was not removed,
-        // as we do for past downloads.
-        if (this._dataItem && !this._dataItem.openable)
-          return false;
-
-        if (this._targetFileInfoFetched)
-          return this._targetFileExists;
-
-        // If the target file information is not yet fetched,
-        // temporarily assume that the file is in place.
-        return this.getDownloadMetaData().state == nsIDM.DOWNLOAD_FINISHED;
-      }
-      case "downloadsCmd_show": {
+      case "downloadsCmd_open":
+        // This property is false if the download did not succeed.
+        return this.download.target.exists;
+      case "downloadsCmd_show":
         // TODO: Bug 827010 - Handle part-file asynchronously.
-        if (this._dataItem &&
-            this._dataItem.partFile && this._dataItem.partFile.exists())
-          return true;
-
-        if (this._targetFileInfoFetched)
-          return this._targetFileExists;
+        if (this._sessionDownload && this.download.target.partFilePath) {
+          let partFile = new FileUtils.File(this.download.target.partFilePath);
+          if (partFile.exists()) {
+            return true;
+          }
+        }
 
-        // If the target file information is not yet fetched,
-        // temporarily assume that the file is in place.
-        return this.getDownloadMetaData().state == nsIDM.DOWNLOAD_FINISHED;
-      }
+        // This property is false if the download did not succeed.
+        return this.download.target.exists;
       case "downloadsCmd_pauseResume":
-        return this._dataItem && this._dataItem.inProgress && this._dataItem.resumable;
+        return this.download.hasPartialData && !this.download.error;
       case "downloadsCmd_retry":
-        // An history download can always be retried.
-        return !this._dataItem || this._dataItem.canRetry;
+        return this.download.canceled || this.download.error;
       case "downloadsCmd_openReferrer":
-        return this._dataItem && !!this._dataItem.referrer;
+        return !!this.download.source.referrer;
       case "cmd_delete":
-        // The behavior in this case is somewhat unexpected, so we disallow that.
-        if (this._placesNode && this._dataItem && this._dataItem.inProgress)
-          return false;
-        return true;
+        // We don't want in-progress downloads to be removed accidentally.
+        return this.download.stopped;
       case "downloadsCmd_cancel":
-        return this._dataItem != null;
+        return !!this._sessionDownload;
     }
     return false;
   },
 
-  _retryAsHistoryDownload: function DES__retryAsHistoryDownload() {
-    // In future we may try to download into the same original target uri, when
-    // we have it.  Though that requires verifying the path is still valid and
-    // may surprise the user if he wants to be requested every time.
-    let browserWin = RecentWindow.getMostRecentBrowserWindow();
-    let initiatingDoc = browserWin ? browserWin.document : document;
-    DownloadURL(this.downloadURI, this.getDownloadMetaData().fileName,
-                initiatingDoc);
-  },
-
   /* nsIController */
   doCommand: function DES_doCommand(aCommand) {
     switch (aCommand) {
       case "downloadsCmd_open": {
-        let file = this._dataItem ?
-          this.dataItem.localFile :
-          new FileUtils.File(this.getDownloadMetaData().filePath);
-
+        let file = new FileUtils.File(this.download.target.path);
         DownloadsCommon.openDownloadedFile(file, null, window);
         break;
       }
       case "downloadsCmd_show": {
-        if (this._dataItem) {
-          this._dataItem.showLocalFile();
-        }
-        else {
-          let file = new FileUtils.File(this.getDownloadMetaData().filePath);
-          DownloadsCommon.showDownloadedFile(file);
-        }
+        let file = new FileUtils.File(this.download.target.path);
+        DownloadsCommon.showDownloadedFile(file);
         break;
       }
       case "downloadsCmd_openReferrer": {
-        openURL(this._dataItem.referrer);
+        openURL(this.download.source.referrer);
         break;
       }
       case "downloadsCmd_cancel": {
-        this._dataItem.cancel();
+        this.download.cancel().catch(() => {});
+        this.download.removePartialData().catch(Cu.reportError);
         break;
       }
       case "cmd_delete": {
-        if (this._dataItem)
-          Downloads.getList(Downloads.ALL)
-                   .then(list => list.remove(this._dataItem._download))
-                   .then(() => this._dataItem._download.finalize(true))
-                   .catch(Cu.reportError);
-        if (this._placesNode)
-          PlacesUtils.bhistory.removePage(this._downloadURIObj);
+        if (this._sessionDownload) {
+          DownloadsCommon.removeAndFinalizeDownload(this.download);
+        }
+        if (this._historyDownload) {
+          let uri = NetUtil.newURI(this.download.source.url);
+          PlacesUtils.bhistory.removePage(uri);
+        }
         break;
-       }
+      }
       case "downloadsCmd_retry": {
-        if (this._dataItem)
-          this._dataItem.retry();
-        else
-          this._retryAsHistoryDownload();
+        // Errors when retrying are already reported as download failures.
+        this.download.start().catch(() => {});
         break;
       }
       case "downloadsCmd_pauseResume": {
-        this._dataItem.togglePauseResume();
+        // This command is only enabled for session downloads.
+        if (this.download.stopped) {
+          this.download.start();
+        } else {
+          this.download.cancel();
+        }
         break;
       }
     }
@@ -704,8 +395,8 @@ DownloadElementShell.prototype = {
     if (!aTerm)
       return true;
     aTerm = aTerm.toLowerCase();
-    return this.getDownloadMetaData().displayName.toLowerCase().includes(aTerm) ||
-           this.downloadURI.toLowerCase().includes(aTerm);
+    return this.displayName.toLowerCase().contains(aTerm) ||
+           this.download.source.url.toLowerCase().contains(aTerm);
   },
 
   // Handles return keypress on the element (the keypress listener is
@@ -732,30 +423,57 @@ DownloadElementShell.prototype = {
       }
       return "";
     }
-    let command = getDefaultCommandForState(this.getDownloadMetaData().state);
+    let state = DownloadsCommon.stateOfDownload(this.download);
+    let command = getDefaultCommandForState(state);
     if (command && this.isCommandEnabled(command))
       this.doCommand(command);
   },
 
   /**
-   * At the first time an item is selected, we don't yet have
-   * the target file information.  Thus the call to goUpdateDownloadCommands
-   * in DPV_onSelect would result in best-guess enabled/disabled result.
-   * That way we let the user perform command immediately. However, once
-   * we have the target file information, we can update the commands
-   * appropriately (_fetchTargetFileInfo() calls goUpdateDownloadCommands).
+   * This method is called by the outer download view, after the controller
+   * commands have already been updated. In case we did not check for the
+   * existence of the target file already, we can do it now and then update
+   * the commands as needed.
    */
   onSelect: function DES_onSelect() {
     if (!this.active)
       return;
-    if (!this._targetFileInfoFetched)
-      this._fetchTargetFileInfo();
-  }
+
+    // If this is a history download for which no target file information is
+    // available, we cannot retrieve information about the target file.
+    if (!this.download.target.path) {
+      return;
+    }
+
+    // Start checking for existence.  This may be done twice if onSelect is
+    // called again before the information is collected.
+    if (!this._targetFileChecked) {
+      this._checkTargetFileOnSelect().catch(Cu.reportError);
+    }
+  },
+
+  _checkTargetFileOnSelect: Task.async(function* () {
+    try {
+      yield this.download.refresh();
+    } finally {
+      // Do not try to check for existence again if this failed once.
+      this._targetFileChecked = true;
+    }
+
+    // Update the commands only if the element is still selected.
+    if (this.element.selected) {
+      goUpdateDownloadCommands();
+    }
+
+    // Ensure the interface has been updated based on the new values. We need to
+    // do this because history downloads can't trigger update notifications.
+    this._updateProgress();
+  }),
 };
 
 /**
  * A Downloads Places View is a places view designed to show a places query
- * for history downloads alongside the current "session"-downloads.
+ * for history downloads alongside the session downloads.
  *
  * As we don't use the places controller, some methods implemented by other
  * places views are not implemented by this view.
@@ -774,7 +492,7 @@ function DownloadsPlacesView(aRichListBox, aActive = true) {
   this._downloadElementsShellsForURI = new Map();
 
   // Map download data items to their element shells.
-  this._viewItemsForDataItems = new WeakMap();
+  this._viewItemsForDownloads = new WeakMap();
 
   // Points to the last session download element. We keep track of this
   // in order to keep all session downloads above past downloads.
@@ -817,44 +535,83 @@ DownloadsPlacesView.prototype = {
     return this._active;
   },
 
-  _forEachDownloadElementShellForURI:
-  function DPV__forEachDownloadElementShellForURI(aURI, aCallback) {
-    if (this._downloadElementsShellsForURI.has(aURI)) {
-      let downloadElementShells = this._downloadElementsShellsForURI.get(aURI);
-      for (let des of downloadElementShells) {
-        aCallback(des);
+  /**
+   * This cache exists in order to optimize the load of the Downloads View, when
+   * Places annotations for history downloads must be read. In fact, annotations
+   * are stored in a single table, and reading all of them at once is much more
+   * efficient than an individual query.
+   *
+   * When this property is first requested, it reads the annotations for all the
+   * history downloads and stores them indefinitely.
+   *
+   * The historical annotations are not expected to change for the duration of
+   * the session, except in the case where a session download is running for the
+   * same URI as a history download. To ensure we don't use stale data, URIs
+   * corresponding to session downloads are permanently removed from the cache.
+   * This is a very small mumber compared to history downloads.
+   *
+   * This property returns a Map from each download source URI found in Places
+   * annotations to an object with the format:
+   *
+   * { targetFileSpec, state, endTime, fileSize, ... }
+   *
+   * The targetFileSpec property is the value of "downloads/destinationFileURI",
+   * while the other properties are taken from "downloads/metaData". Any of the
+   * properties may be missing from the object.
+   */
+  get _cachedPlacesMetaData() {
+    if (!this.__cachedPlacesMetaData) {
+      this.__cachedPlacesMetaData = new Map();
+
+      // Read the metadata annotations first, but ignore invalid JSON.
+      for (let result of PlacesUtils.annotations.getAnnotationsWithName(
+                                                 DOWNLOAD_META_DATA_ANNO)) {
+        try {
+          this.__cachedPlacesMetaData.set(result.uri.spec,
+                                          JSON.parse(result.annotationValue));
+        } catch (ex) {}
       }
-    }
-  },
 
-  _getAnnotationsFor: function DPV_getAnnotationsFor(aURI) {
-    if (!this._cachedAnnotations) {
-      this._cachedAnnotations = new Map();
-      for (let name of [ DESTINATION_FILE_URI_ANNO,
-                         DOWNLOAD_META_DATA_ANNO ]) {
-        let results = PlacesUtils.annotations.getAnnotationsWithName(name);
-        for (let result of results) {
-          let url = result.uri.spec;
-          if (!this._cachedAnnotations.has(url))
-            this._cachedAnnotations.set(url, new Map());
-          let m = this._cachedAnnotations.get(url);
-          m.set(result.annotationName, result.annotationValue);
+      // Add the target file annotations to the metadata.
+      for (let result of PlacesUtils.annotations.getAnnotationsWithName(
+                                                 DESTINATION_FILE_URI_ANNO)) {
+        let metaData = this.__cachedPlacesMetaData.get(result.uri.spec);
+        if (!metaData) {
+          metaData = {};
+          this.__cachedPlacesMetaData.set(result.uri.spec, metaData);
         }
+        metaData.targetFileSpec = result.annotationValue;
       }
     }
 
-    let annotations = this._cachedAnnotations.get(aURI);
-    if (!annotations) {
-      // There are no annotations for this entry, that means it is quite old.
-      // Make up a fake annotations entry with default values.
-      annotations = new Map();
-      annotations.set(DESTINATION_FILE_URI_ANNO, NOT_AVAILABLE);
-    }
-    // The meta-data annotation has been added recently, so it's likely missing.
-    if (!annotations.has(DOWNLOAD_META_DATA_ANNO)) {
-      annotations.set(DOWNLOAD_META_DATA_ANNO, NOT_AVAILABLE);
-    }
-    return annotations;
+    return this.__cachedPlacesMetaData;
+  },
+  __cachedPlacesMetaData: null,
+
+  /**
+   * Reads current metadata from Places annotations for the specified URI, and
+   * returns an object with the format:
+   *
+   * { targetFileSpec, state, endTime, fileSize, ... }
+   *
+   * The targetFileSpec property is the value of "downloads/destinationFileURI",
+   * while the other properties are taken from "downloads/metaData". Any of the
+   * properties may be missing from the object.
+   */
+  _getPlacesMetaDataFor(spec) {
+    let metaData = {};
+
+    try {
+      let uri = NetUtil.newURI(spec);
+      try {
+        metaData = JSON.parse(PlacesUtils.annotations.getPageAnnotation(
+                                          uri, DOWNLOAD_META_DATA_ANNO));
+      } catch (ex) {}
+      metaData.targetFileSpec = PlacesUtils.annotations.getPageAnnotation(
+                                            uri, DESTINATION_FILE_URI_ANNO);
+    } catch (ex) {}
+
+    return metaData;
   },
 
   /**
@@ -869,14 +626,12 @@ DownloadsPlacesView.prototype = {
    *     alongside the other session downloads. If we don't, then we go ahead
    *     and create a new element for the download.
    *
-   * @param aDataItem
-   *        The data item of a session download. Set to null for history
-   *        downloads data.
+   * @param [optional] sessionDownload
+   *        A Download object, or null for history downloads.
    * @param [optional] aPlacesNode
-   *        The places node for a history download. Required if there's no data
-   *        item.
+   *        The Places node for a history download, or null for session downloads.
    * @param [optional] aNewest
-   *        @see onDataItemAdded. Ignored for history downloads.
+   *        @see onDownloadAdded. Ignored for history downloads.
    * @param [optional] aDocumentFragment
    *        To speed up the appending of multiple elements to the end of the
    *        list which are coming in a single batch (i.e. invalidateContainer),
@@ -884,16 +639,28 @@ DownloadsPlacesView.prototype = {
    *        be appended. It's the caller's job to ensure the fragment is merged
    *        to the richlistbox at the end.
    */
-  _addDownloadData:
-  function DPV_addDownloadData(aDataItem, aPlacesNode, aNewest = false,
+  _addDownloadData(sessionDownload, aPlacesNode, aNewest = false,
                                aDocumentFragment = null) {
-    let downloadURI = aPlacesNode ? aPlacesNode.uri : aDataItem.uri;
+    let downloadURI = aPlacesNode ? aPlacesNode.uri
+                                  : sessionDownload.source.url;
     let shellsForURI = this._downloadElementsShellsForURI.get(downloadURI);
     if (!shellsForURI) {
       shellsForURI = new Set();
       this._downloadElementsShellsForURI.set(downloadURI, shellsForURI);
     }
 
+    // When a session download is attached to a shell, we ensure not to keep
+    // stale metadata around for the corresponding history download. This
+    // prevents stale state from being used if the view is rebuilt.
+    //
+    // Note that we will eagerly load the data in the cache at this point, even
+    // if we have seen no history download. The case where no history download
+    // will appear at all is rare enough in normal usage, so we can apply this
+    // simpler solution rather than keeping a list of cache items to ignore.
+    if (sessionDownload) {
+      this._cachedPlacesMetaData.delete(sessionDownload.source.url);
+    }
+
     let newOrUpdatedShell = null;
 
     // Trivial: if there are no shells for this download URI, we always
@@ -911,44 +678,64 @@ DownloadsPlacesView.prototype = {
     //    item).
     //
     // Note: If a cancelled session download is already in the list, and the
-    // download is retired, onDataItemAdded is called again for the same
+    // download is retried, onDownloadAdded is called again for the same
     // data item. Thus, we also check that we make sure we don't have a view item
     // already.
     if (!shouldCreateShell &&
-        aDataItem && this.getViewItem(aDataItem) == null) {
+        sessionDownload && !this._viewItemsForDownloads.has(sessionDownload)) {
       // If there's a past-download-only shell for this download-uri with no
       // associated data item, use it for the new data item. Otherwise, go ahead
       // and create another shell.
       shouldCreateShell = true;
       for (let shell of shellsForURI) {
-        if (!shell.dataItem) {
+        if (!shell.sessionDownload) {
           shouldCreateShell = false;
-          shell.dataItem = aDataItem;
+          shell.sessionDownload = sessionDownload;
           newOrUpdatedShell = shell;
-          this._viewItemsForDataItems.set(aDataItem, shell);
+          this._viewItemsForDownloads.set(sessionDownload, shell);
           break;
         }
       }
     }
 
     if (shouldCreateShell) {
-      // Bug 836271: The annotations for a url should be cached only when the
-      // places node is available, i.e. when we know we we'd be notified for
-      // annotation changes. 
-      // Otherwise we may cache NOT_AVILABLE values first for a given session
-      // download, and later use these NOT_AVILABLE values when a history
-      // download for the same URL is added.
-      let cachedAnnotations = aPlacesNode ? this._getAnnotationsFor(downloadURI) : null;
-      let shell = new DownloadElementShell(aDataItem, aPlacesNode, cachedAnnotations);
+      // If we are adding a new history download here, it means there is no
+      // associated session download, thus we must read the Places metadata,
+      // because it will not be obscured by the session download.
+      let historyDownload = null;
+      if (aPlacesNode) {
+        let metaData = this._cachedPlacesMetaData.get(aPlacesNode.uri) ||
+                       this._getPlacesMetaDataFor(aPlacesNode.uri);
+        historyDownload = new HistoryDownload(aPlacesNode);
+        historyDownload.updateFromMetaData(metaData);
+      }
+      let shell = new HistoryDownloadElementShell(sessionDownload,
+                                                  historyDownload);
+      shell.element._placesNode = aPlacesNode;
       newOrUpdatedShell = shell;
       shellsForURI.add(shell);
-      if (aDataItem)
-        this._viewItemsForDataItems.set(aDataItem, shell);
+      if (sessionDownload) {
+        this._viewItemsForDownloads.set(sessionDownload, shell);
+      }
     }
     else if (aPlacesNode) {
+      // We are updating information for a history download for which we have
+      // at least one download element shell already. There are two cases:
+      // 1) There are one or more download element shells for this source URI,
+      //    each with an associated session download. We update the Places node
+      //    because we may need it later, but we don't need to read the Places
+      //    metadata until the last session download is removed.
+      // 2) Occasionally, we may receive a duplicate notification for a history
+      //    download with no associated session download. We have exactly one
+      //    download element shell in this case, but the metdata cannot have
+      //    changed, just the reference to the Places node object is different.
+      // So, we update all the node references and keep the metadata intact.
       for (let shell of shellsForURI) {
-        if (shell.placesNode != aPlacesNode)
-          shell.placesNode = aPlacesNode;
+        if (!shell.historyDownload) {
+          // Create the element to host the metadata when needed.
+          shell.historyDownload = new HistoryDownload(aPlacesNode);
+        }
+        shell.element._placesNode = aPlacesNode;
       }
     }
 
@@ -963,8 +750,7 @@ DownloadsPlacesView.prototype = {
         // the top of the richlistbox, along with other session downloads.
         // More generally, if a new download is added, should be made visible.
         this._richlistbox.ensureElementIsVisible(newOrUpdatedShell.element);
-      }
-      else if (aDataItem) {
+      } else if (sessionDownload) {
         let before = this._lastSessionDownloadElement ?
           this._lastSessionDownloadElement.nextSibling : this._richlistbox.firstChild;
         this._richlistbox.insertBefore(newOrUpdatedShell.element, before);
@@ -1015,8 +801,8 @@ DownloadsPlacesView.prototype = {
     let shellsForURI = this._downloadElementsShellsForURI.get(downloadURI);
     if (shellsForURI) {
       for (let shell of shellsForURI) {
-        if (shell.dataItem) {
-          shell.placesNode = null;
+        if (shell.sessionDownload) {
+          shell.historyDownload = null;
         }
         else {
           this._removeElement(shell.element);
@@ -1028,13 +814,13 @@ DownloadsPlacesView.prototype = {
     }
   },
 
-  _removeSessionDownloadFromView:
-  function DPV__removeSessionDownloadFromView(aDataItem) {
-    let shells = this._downloadElementsShellsForURI.get(aDataItem.uri);
+  _removeSessionDownloadFromView(download) {
+    let shells = this._downloadElementsShellsForURI
+                     .get(download.source.url);
     if (shells.size == 0)
       throw new Error("Should have had at leaat one shell for this uri");
 
-    let shell = this.getViewItem(aDataItem);
+    let shell = this._viewItemsForDownloads.get(download);
     if (!shells.has(shell))
       throw new Error("Missing download element shell in shells list for url");
 
@@ -1042,14 +828,22 @@ DownloadsPlacesView.prototype = {
     // view item for this this particular data item go away.
     // If there's only one item for this download uri, we should only
     // keep it if it is associated with a history download.
-    if (shells.size > 1 || !shell.placesNode) {
+    if (shells.size > 1 || !shell.historyDownload) {
       this._removeElement(shell.element);
       shells.delete(shell);
       if (shells.size == 0)
-        this._downloadElementsShellsForURI.delete(aDataItem.uri);
+        this._downloadElementsShellsForURI.delete(download.source.url);
     }
     else {
-      shell.dataItem = null;
+      // We have one download element shell containing both a session download
+      // and a history download, and we are now removing the session download.
+      // Previously, we did not use the Places metadata because it was obscured
+      // by the session download. Since this is no longer the case, we have to
+      // read the latest metadata before removing the session download.
+      let url = shell.historyDownload.source.url;
+      let metaData = this._getPlacesMetaDataFor(url);
+      shell.historyDownload.updateFromMetaData(metaData);
+      shell.sessionDownload = null;
       // Move it below the session-download items;
       if (this._lastSessionDownloadElement == shell.element) {
         this._lastSessionDownloadElement = shell.element.previousSibling;
@@ -1157,13 +951,9 @@ DownloadsPlacesView.prototype = {
   },
 
   get selectedNodes() {
-    let placesNodes = [];
-    let selectedElements = this._richlistbox.selectedItems;
-    for (let elt of selectedElements) {
-      if (elt._shell.placesNode)
-        placesNodes.push(elt._shell.placesNode);
-    }
-    return placesNodes;
+    return [for (element of this._richlistbox.selectedItems)
+            if (element._placesNode)
+            element._placesNode];
   },
 
   get selectedNode() {
@@ -1193,8 +983,9 @@ DownloadsPlacesView.prototype = {
       // Loop backwards since _removeHistoryDownloadFromView may removeChild().
       for (let i = this._richlistbox.childNodes.length - 1; i >= 0; --i) {
         let element = this._richlistbox.childNodes[i];
-        if (element._shell.placesNode)
-          this._removeHistoryDownloadFromView(element._shell.placesNode);
+        if (element._placesNode) {
+          this._removeHistoryDownloadFromView(element._placesNode);
+        }
       }
     }
     finally {
@@ -1254,24 +1045,9 @@ DownloadsPlacesView.prototype = {
     this._removeHistoryDownloadFromView(aPlacesNode);
   },
 
-  nodeIconChanged: function DPV_nodeIconChanged(aNode) {
-    this._forEachDownloadElementShellForURI(aNode.uri, function(aDownloadElementShell) {
-      aDownloadElementShell.placesNodeIconChanged();
-    });
-  },
-
-  nodeAnnotationChanged: function DPV_nodeAnnotationChanged(aNode, aAnnoName) {
-    this._forEachDownloadElementShellForURI(aNode.uri, function(aDownloadElementShell) {
-      aDownloadElementShell.placesNodeAnnotationChanged(aAnnoName);
-    });
-  },
-
-  nodeTitleChanged: function DPV_nodeTitleChanged(aNode, aNewTitle) {
-    this._forEachDownloadElementShellForURI(aNode.uri, function(aDownloadElementShell) {
-      aDownloadElementShell.placesNodeTitleChanged();
-    });
-  },
-
+  nodeAnnotationChanged() {},
+  nodeIconChanged() {},
+  nodeTitleChanged() {},
   nodeKeywordChanged: function() {},
   nodeDateAddedChanged: function() {},
   nodeLastModifiedChanged: function() {},
@@ -1334,16 +1110,21 @@ DownloadsPlacesView.prototype = {
     this._ensureInitialSelection();
   },
 
-  onDataItemAdded: function DPV_onDataItemAdded(aDataItem, aNewest) {
-    this._addDownloadData(aDataItem, null, aNewest);
+  onDownloadAdded(download, newest) {
+    this._addDownloadData(download, null, newest);
   },
 
-  onDataItemRemoved: function DPV_onDataItemRemoved(aDataItem) {
-    this._removeSessionDownloadFromView(aDataItem);
+  onDownloadStateChanged(download) {
+    this._viewItemsForDownloads.get(download).onStateChanged();
   },
 
-  getViewItem: function(aDataItem)
-    this._viewItemsForDataItems.get(aDataItem, null),
+  onDownloadChanged(download) {
+    this._viewItemsForDownloads.get(download).onChanged();
+  },
+
+  onDownloadRemoved(download) {
+    this._removeSessionDownloadFromView(download);
+  },
 
   supportsCommand: function DPV_supportsCommand(aCommand) {
     if (DOWNLOAD_VIEW_SUPPORTED_COMMANDS.indexOf(aCommand) != -1) {
@@ -1386,8 +1167,11 @@ DownloadsPlacesView.prototype = {
     // Because history downloads are always removable and are listed after the
     // session downloads, check from bottom to top.
     for (let elt = this._richlistbox.lastChild; elt; elt = elt.previousSibling) {
-      if (elt._shell.placesNode || !elt._shell.dataItem.inProgress)
+      // Stopped, paused, and failed downloads with partial data are removed.
+      let download = elt._shell.download;
+      if (download.stopped && !(download.canceled && download.hasPartialData)) {
         return true;
+      }
     }
     return false;
   },
@@ -1395,10 +1179,11 @@ DownloadsPlacesView.prototype = {
   _copySelectedDownloadsToClipboard:
   function DPV__copySelectedDownloadsToClipboard() {
     let urls = [for (element of this._richlistbox.selectedItems)
-                     element._shell.downloadURI];
+                element._shell.download.source.url];
 
-    Cc["@mozilla.org/widget/clipboardhelper;1"].
-    getService(Ci.nsIClipboardHelper).copyString(urls.join("\n"));
+    Cc["@mozilla.org/widget/clipboardhelper;1"]
+      .getService(Ci.nsIClipboardHelper)
+      .copyString(urls.join("\n"), document);
   },
 
   _getURLFromClipboardData: function DPV__getURLFromClipboardData() {
@@ -1486,15 +1271,13 @@ DownloadsPlacesView.prototype = {
 
     // Set the state attribute so that only the appropriate items are displayed.
     let contextMenu = document.getElementById("downloadsContextMenu");
-    let state = element._shell.getDownloadMetaData().state;
-    if (state !== undefined)
-      contextMenu.setAttribute("state", state);
-    else
-      contextMenu.removeAttribute("state");
-
-    if (state == nsIDM.DOWNLOAD_DOWNLOADING) {
-      // The resumable property of a download may change at any time, so
-      // ensure we update the related command now.
+    let download = element._shell.download;
+    contextMenu.setAttribute("state",
+                             DownloadsCommon.stateOfDownload(download));
+
+    if (!download.stopped) {
+      // The hasPartialData property of a download may change at any time after
+      // it has started, so ensure we update the related command now.
       goUpdateCommand("downloadsCmd_pauseResume");
     }
     return true;
@@ -1555,10 +1338,13 @@ DownloadsPlacesView.prototype = {
     if (!selectedItem)
       return;
 
-    let metaData = selectedItem._shell.getDownloadMetaData();
-    if (!("filePath" in metaData))
+    let targetPath = selectedItem._shell.download.target.path;
+    if (!targetPath) {
       return;
-    let file = new FileUtils.File(metaData.filePath);
+    }
+
+    // We must check for existence synchronously because this is a DOM event.
+    let file = new FileUtils.File(targetPath);
     if (!file.exists())
       return;
 
diff --git a/application/palemoon/components/downloads/content/downloads.js b/application/palemoon/components/downloads/content/downloads.js
index 833d7d72f..ee1c6902e 100644
--- a/application/palemoon/components/downloads/content/downloads.js
+++ b/application/palemoon/components/downloads/content/downloads.js
@@ -4,6 +4,23 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
  * You can obtain one at http://mozilla.org/MPL/2.0/. */
 
+var { classes: Cc, interfaces: Ci, utils: Cu, results: Cr } = Components;
+
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
+
+XPCOMUtils.defineLazyModuleGetter(this, "DownloadsCommon",
+                                  "resource:///modules/DownloadsCommon.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "DownloadsViewUI",
+                                  "resource:///modules/DownloadsViewUI.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "FileUtils",
+                                  "resource://gre/modules/FileUtils.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "NetUtil",
+                                  "resource://gre/modules/NetUtil.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "PlacesUtils",
+                                  "resource://gre/modules/PlacesUtils.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "Services",
+                                  "resource://gre/modules/Services.jsm");
+
 /**
  * Handles the Downloads panel user interface for each browser window.
  *
@@ -65,22 +82,6 @@
 "use strict";
 
 ////////////////////////////////////////////////////////////////////////////////
-//// Globals
-
-XPCOMUtils.defineLazyModuleGetter(this, "DownloadUtils",
-                                  "resource://gre/modules/DownloadUtils.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "DownloadsCommon",
-                                  "resource:///modules/DownloadsCommon.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "OS",
-                                  "resource://gre/modules/osfile.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "PrivateBrowsingUtils",
-                                  "resource://gre/modules/PrivateBrowsingUtils.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "PlacesUtils",
-                                  "resource://gre/modules/PlacesUtils.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "NetUtil",
-                                  "resource://gre/modules/NetUtil.jsm");
-
-////////////////////////////////////////////////////////////////////////////////
 //// DownloadsPanel
 
 /**
@@ -570,8 +571,8 @@ const DownloadsPanel = {
       // still exist, and update the allowed items interactions accordingly.  We
       // do these checks on a background thread, and don't prevent the panel to
       // be displayed while these checks are being performed.
-      for each (let viewItem in DownloadsView._viewItems) {
-        viewItem.verifyTargetExists();
+      for (let viewItem of DownloadsView._visibleViewItems.values()) {
+        viewItem.download.refresh().catch(Cu.reportError);
       }
 
       if (aAnchor) {
@@ -703,19 +704,19 @@ const DownloadsView = {
   loading: false,
 
   /**
-   * Ordered array of all DownloadsDataItem objects.  We need to keep this array
-   * because only a limited number of items are shown at once, and if an item
-   * that is currently visible is removed from the list, we might need to take
-   * another item from the array and make it appear at the bottom.
+   * Ordered array of all Download objects.  We need to keep this array because
+   * only a limited number of items are shown at once, and if an item that is
+   * currently visible is removed from the list, we might need to take another
+   * item from the array and make it appear at the bottom.
    */
-  _dataItems: [],
+  _downloads: [],
 
   /**
-   * Object containing the available DownloadsViewItem objects, indexed by their
-   * numeric download identifier.  There is a limited number of view items in
-   * the panel at any given time.
+   * Associates the visible Download objects with their corresponding
+   * DownloadsViewItem object.  There is a limited number of view items in the
+   * panel at any given time.
    */
-  _viewItems: {},
+  _visibleViewItems: new Map(),
 
   /**
    * Called when the number of items in the list changes.
@@ -723,8 +724,8 @@ const DownloadsView = {
   _itemCountChanged: function DV_itemCountChanged()
   {
     DownloadsCommon.log("The downloads item count has changed - we are tracking",
-                        this._dataItems.length, "downloads in total.");
-    let count = this._dataItems.length;
+                        this._downloads.length, "downloads in total.");
+    let count = this._downloads.length;
     let hiddenCount = count - this.kItemCountLimit;
 
     if (count > 0) {
@@ -813,8 +814,8 @@ const DownloadsView = {
    * Called when a new download data item is available, either during the
    * asynchronous data load or when a new download is started.
    *
-   * @param aDataItem
-   *        DownloadsDataItem object that was just added.
+   * @param aDownload
+   *        Download object that was just added.
    * @param aNewest
    *        When true, indicates that this item is the most recent and should be
    *        added in the topmost position.  This happens when a new download is
@@ -822,28 +823,27 @@ const DownloadsView = {
    *        and should be appended.  The latter generally happens during the
    *        asynchronous data load.
    */
-  onDataItemAdded: function DV_onDataItemAdded(aDataItem, aNewest)
-  {
+  onDownloadAdded(download, aNewest) {
     DownloadsCommon.log("A new download data item was added - aNewest =",
                         aNewest);
 
     if (aNewest) {
-      this._dataItems.unshift(aDataItem);
+      this._downloads.unshift(download);
     } else {
-      this._dataItems.push(aDataItem);
+      this._downloads.push(download);
     }
 
-    let itemsNowOverflow = this._dataItems.length > this.kItemCountLimit;
+    let itemsNowOverflow = this._downloads.length > this.kItemCountLimit;
     if (aNewest || !itemsNowOverflow) {
       // The newly added item is visible in the panel and we must add the
       // corresponding element.  This is either because it is the first item, or
       // because it was added at the bottom but the list still doesn't overflow.
-      this._addViewItem(aDataItem, aNewest);
+      this._addViewItem(download, aNewest);
     }
     if (aNewest && itemsNowOverflow) {
       // If the list overflows, remove the last item from the panel to make room
       // for the new one that we just added at the top.
-      this._removeViewItem(this._dataItems[this.kItemCountLimit]);
+      this._removeViewItem(this._downloads[this.kItemCountLimit]);
     }
 
     // For better performance during batch loads, don't update the count for
@@ -853,26 +853,39 @@ const DownloadsView = {
     }
   },
 
+  onDownloadStateChanged(download) {
+    let viewItem = this._visibleViewItems.get(download);
+    if (viewItem) {
+      viewItem.onStateChanged();
+    }
+  },
+
+  onDownloadChanged(download) {
+    let viewItem = this._visibleViewItems.get(download);
+    if (viewItem) {
+      viewItem.onChanged();
+    }
+  },
+
   /**
    * Called when a data item is removed.  Ensures that the widget associated
    * with the view item is removed from the user interface.
    *
-   * @param aDataItem
-   *        DownloadsDataItem object that is being removed.
+   * @param download
+   *        Download object that is being removed.
    */
-  onDataItemRemoved: function DV_onDataItemRemoved(aDataItem)
-  {
+  onDownloadRemoved(download) {
     DownloadsCommon.log("A download data item was removed.");
 
-    let itemIndex = this._dataItems.indexOf(aDataItem);
-    this._dataItems.splice(itemIndex, 1);
+    let itemIndex = this._downloads.indexOf(download);
+    this._downloads.splice(itemIndex, 1);
 
     if (itemIndex < this.kItemCountLimit) {
       // The item to remove is visible in the panel.
-      this._removeViewItem(aDataItem);
-      if (this._dataItems.length >= this.kItemCountLimit) {
+      this._removeViewItem(download);
+      if (this._downloads.length >= this.kItemCountLimit) {
         // Reinsert the next item into the panel.
-        this._addViewItem(this._dataItems[this.kItemCountLimit - 1], false);
+        this._addViewItem(this._downloads[this.kItemCountLimit - 1], false);
       }
     }
 
@@ -880,43 +893,29 @@ const DownloadsView = {
   },
 
   /**
-   * Returns the view item associated with the provided data item for this view.
-   *
-   * @param aDataItem
-   *        DownloadsDataItem object for which the view item is requested.
-   *
-   * @return Object that can be used to notify item status events.
+   * Associates each richlistitem for a download with its corresponding
+   * DownloadsViewItemController object.
    */
-  getViewItem: function DV_getViewItem(aDataItem)
-  {
-    // If the item is visible, just return it, otherwise return a mock object
-    // that doesn't react to notifications.
-    if (aDataItem.downloadGuid in this._viewItems) {
-      return this._viewItems[aDataItem.downloadGuid];
-    }
-    return this._invisibleViewItem;
-  },
+  _controllersForElements: new Map(),
 
-  /**
-   * Mock DownloadsDataItem object that doesn't react to notifications.
-   */
-  _invisibleViewItem: Object.freeze({
-    onStateChange: function () { },
-    onProgressChange: function () { }
-  }),
+  controllerForElement(element) {
+    return this._controllersForElements.get(element);
+  },
 
   /**
    * Creates a new view item associated with the specified data item, and adds
    * it to the top or the bottom of the list.
    */
-  _addViewItem: function DV_addViewItem(aDataItem, aNewest)
+  _addViewItem(download, aNewest)
   {
     DownloadsCommon.log("Adding a new DownloadsViewItem to the downloads list.",
                         "aNewest =", aNewest);
 
     let element = document.createElement("richlistitem");
-    let viewItem = new DownloadsViewItem(aDataItem, element);
-    this._viewItems[aDataItem.downloadGuid] = viewItem;
+    let viewItem = new DownloadsViewItem(download, element);
+    this._visibleViewItems.set(download, viewItem);
+    let viewItemController = new DownloadsViewItemController(download);
+    this._controllersForElements.set(element, viewItemController);
     if (aNewest) {
       this.richListBox.insertBefore(element, this.richListBox.firstChild);
     } else {
@@ -927,17 +926,17 @@ const DownloadsView = {
   /**
    * Removes the view item associated with the specified data item.
    */
-  _removeViewItem: function DV_removeViewItem(aDataItem)
-  {
+  _removeViewItem(download) {
     DownloadsCommon.log("Removing a DownloadsViewItem from the downloads list.");
-    let element = this.getViewItem(aDataItem)._element;
+    let element = this._visibleViewItems.get(download).element;
     let previousSelectedIndex = this.richListBox.selectedIndex;
     this.richListBox.removeChild(element);
     if (previousSelectedIndex != -1) {
       this.richListBox.selectedIndex = Math.min(previousSelectedIndex,
                                                 this.richListBox.itemCount - 1);
     }
-    delete this._viewItems[aDataItem.downloadGuid];
+    this._visibleViewItems.delete(download);
+    this._controllersForElements.delete(element);
   },
 
   //////////////////////////////////////////////////////////////////////////////
@@ -959,7 +958,7 @@ const DownloadsView = {
     while (target.nodeName != "richlistitem") {
       target = target.parentNode;
     }
-    new DownloadsViewItemController(target).doCommand(aCommand);
+    DownloadsView.controllerForElement(target).doCommand(aCommand);
   },
 
   onDownloadClick: function DV_onDownloadClick(aEvent)
@@ -1038,8 +1037,9 @@ const DownloadsView = {
       return;
     }
 
-    let controller = new DownloadsViewItemController(element);
-    let localFile = controller.dataItem.localFile;
+    // We must check for existence synchronously because this is a DOM event.
+    let localFile = new FileUtils.File(DownloadsView.controllerForElement(element)
+                                                    .download.target.path);
     if (!localFile.exists()) {
       return;
     }
@@ -1065,259 +1065,39 @@ XPCOMUtils.defineConstant(this, "DownloadsView", DownloadsView);
  * Builds and updates a single item in the downloads list widget, responding to
  * changes in the download state and real-time data.
  *
- * @param aDataItem
- *        DownloadsDataItem to be associated with the view item.
+ * @param download
+ *        Download object to be associated with the view item.
  * @param aElement
  *        XUL element corresponding to the single download item in the view.
  */
-function DownloadsViewItem(aDataItem, aElement)
-{
-  this._element = aElement;
-  this.dataItem = aDataItem;
-
-  this.lastEstimatedSecondsLeft = Infinity;
-
-  // Set the URI that represents the correct icon for the target file.  As soon
-  // as bug 239948 comment 12 is handled, the "file" property will be always a
-  // file URL rather than a file name.  At that point we should remove the "//"
-  // (double slash) from the icon URI specification (see test_moz_icon_uri.js).
-  this.image = "moz-icon://" + this.dataItem.file + "?size=32";
-
-  let s = DownloadsCommon.strings;
-  let [displayHost, fullHost] =
-    DownloadUtils.getURIHost(this.dataItem.referrer || this.dataItem.uri);
-
-  let attributes = {
-    "type": "download",
-    "class": "download-state",
-    "id": "downloadsItem_" + this.dataItem.downloadGuid,
-    "downloadGuid": this.dataItem.downloadGuid,
-    "state": this.dataItem.state,
-    "progress": this.dataItem.inProgress ? this.dataItem.percentComplete : 100,
-    "displayName": this.dataItem.target,
-    "extendedDisplayName": s.statusSeparator(this.dataItem.target, displayHost),
-    "extendedDisplayNameTip": s.statusSeparator(this.dataItem.target, fullHost),
-    "image": this.image
-  };
-
-  for (let attributeName in attributes) {
-    this._element.setAttribute(attributeName, attributes[attributeName]);
-  }
+function DownloadsViewItem(download, aElement) {
+  this.download = download;
+
+  this.element = aElement;
+  this.element._shell = this;
 
-  // Initialize more complex attributes.
-  this._updateProgress();
-  this._updateStatusLine();
-  this.verifyTargetExists();
+  this.element.setAttribute("type", "download");
+  this.element.classList.add("download-state");
+
+  this._updateState();
 }
 
 DownloadsViewItem.prototype = {
-  /**
-   * The DownloadDataItem associated with this view item.
-   */
-  dataItem: null,
+  __proto__: DownloadsViewUI.DownloadElementShell.prototype,
 
   /**
    * The XUL element corresponding to the associated richlistbox item.
    */
   _element: null,
 
-  /**
-   * The inner XUL element for the progress bar, or null if not available.
-   */
-  _progressElement: null,
-
-  //////////////////////////////////////////////////////////////////////////////
-  //// Callback functions from DownloadsData
-
-  /**
-   * Called when the download state might have changed.  Sometimes the state of
-   * the download might be the same as before, if the data layer received
-   * multiple events for the same download.
-   */
-  onStateChange: function DVI_onStateChange(aOldState)
-  {
-    // If a download just finished successfully, it means that the target file
-    // now exists and we can extract its specific icon.  To ensure that the icon
-    // is reloaded, we must change the URI used by the XUL image element, for
-    // example by adding a query parameter.  Since this URI has a "moz-icon"
-    // scheme, this only works if we add one of the parameters explicitly
-    // supported by the nsIMozIconURI interface.
-    if (aOldState != Ci.nsIDownloadManager.DOWNLOAD_FINISHED &&
-        aOldState != this.dataItem.state) {
-      this._element.setAttribute("image", this.image + "&state=normal");
-
-      // We assume the existence of the target of a download that just completed
-      // successfully, without checking the condition in the background.  If the
-      // panel is already open, this will take effect immediately.  If the panel
-      // is opened later, a new background existence check will be performed.
-      this._element.setAttribute("exists", "true");
-    }
-
-    // Update the user interface after switching states.
-    this._element.setAttribute("state", this.dataItem.state);
-    this._updateProgress();
-    this._updateStatusLine();
+  onStateChanged() {
+    this.element.setAttribute("image", this.image);
+    this.element.setAttribute("state",
+                              DownloadsCommon.stateOfDownload(this.download));
   },
 
-  /**
-   * Called when the download progress has changed.
-   */
-  onProgressChange: function DVI_onProgressChange() {
+  onChanged() {
     this._updateProgress();
-    this._updateStatusLine();
-  },
-
-  //////////////////////////////////////////////////////////////////////////////
-  //// Functions for updating the user interface
-
-  /**
-   * Updates the progress bar.
-   */
-  _updateProgress: function DVI_updateProgress() {
-    if (this.dataItem.starting) {
-      // Before the download starts, the progress meter has its initial value.
-      this._element.setAttribute("progressmode", "normal");
-      this._element.setAttribute("progress", "0");
-    } else if (this.dataItem.state == Ci.nsIDownloadManager.DOWNLOAD_SCANNING ||
-               this.dataItem.percentComplete == -1) {
-      // We might not know the progress of a running download, and we don't know
-      // the remaining time during the malware scanning phase.
-      this._element.setAttribute("progressmode", "undetermined");
-    } else {
-      // This is a running download of which we know the progress.
-      this._element.setAttribute("progressmode", "normal");
-      this._element.setAttribute("progress", this.dataItem.percentComplete);
-    }
-
-    // Find the progress element as soon as the download binding is accessible.
-    if (!this._progressElement) {
-      this._progressElement =
-           document.getAnonymousElementByAttribute(this._element, "anonid",
-                                                   "progressmeter");
-    }
-
-    // Dispatch the ValueChange event for accessibility, if possible.
-    if (this._progressElement) {
-      let event = document.createEvent("Events");
-      event.initEvent("ValueChange", true, true);
-      this._progressElement.dispatchEvent(event);
-    }
-  },
-
-  /**
-   * Updates the main status line, including bytes transferred, bytes total,
-   * download rate, and time remaining.
-   */
-  _updateStatusLine: function DVI_updateStatusLine() {
-    const nsIDM = Ci.nsIDownloadManager;
-
-    let status = "";
-    let statusTip = "";
-
-    if (this.dataItem.paused) {
-      let transfer = DownloadUtils.getTransferTotal(this.dataItem.currBytes,
-                                                    this.dataItem.maxBytes);
-
-      // We use the same XUL label to display both the state and the amount
-      // transferred, for example "Paused -  1.1 MB".
-      status = DownloadsCommon.strings.statusSeparatorBeforeNumber(
-                                            DownloadsCommon.strings.statePaused,
-                                            transfer);
-    } else if (this.dataItem.state == nsIDM.DOWNLOAD_DOWNLOADING) {
-      // We don't show the rate for each download in order to reduce clutter.
-      // The remaining time per download is likely enough information for the
-      // panel.
-      [status] =
-        DownloadUtils.getDownloadStatusNoRate(this.dataItem.currBytes,
-                                              this.dataItem.maxBytes,
-                                              this.dataItem.speed,
-                                              this.lastEstimatedSecondsLeft);
-
-      // We are, however, OK with displaying the rate in the tooltip.
-      let newEstimatedSecondsLeft;
-      [statusTip, newEstimatedSecondsLeft] =
-        DownloadUtils.getDownloadStatus(this.dataItem.currBytes,
-                                        this.dataItem.maxBytes,
-                                        this.dataItem.speed,
-                                        this.lastEstimatedSecondsLeft);
-      this.lastEstimatedSecondsLeft = newEstimatedSecondsLeft;
-    } else if (this.dataItem.starting) {
-      status = DownloadsCommon.strings.stateStarting;
-    } else if (this.dataItem.state == nsIDM.DOWNLOAD_SCANNING) {
-      status = DownloadsCommon.strings.stateScanning;
-    } else if (!this.dataItem.inProgress) {
-      let stateLabel = function () {
-        let s = DownloadsCommon.strings;
-        switch (this.dataItem.state) {
-          case nsIDM.DOWNLOAD_FAILED:           return s.stateFailed;
-          case nsIDM.DOWNLOAD_CANCELED:         return s.stateCanceled;
-          case nsIDM.DOWNLOAD_BLOCKED_PARENTAL: return s.stateBlockedParentalControls;
-          case nsIDM.DOWNLOAD_BLOCKED_POLICY:   return s.stateBlockedPolicy;
-          case nsIDM.DOWNLOAD_DIRTY:            return s.stateDirty;
-          case nsIDM.DOWNLOAD_FINISHED:         return this._fileSizeText;
-        }
-        return null;
-      }.apply(this);
-
-      let [displayHost, fullHost] =
-        DownloadUtils.getURIHost(this.dataItem.referrer || this.dataItem.uri);
-
-      let end = new Date(this.dataItem.endTime);
-      let [displayDate, fullDate] = DownloadUtils.getReadableDates(end);
-
-      // We use the same XUL label to display the state, the host name, and the
-      // end time, for example "Canceled - 222.net - 11:15" or "1.1 MB -
-      // website2.com - Yesterday".  We show the full host and the complete date
-      // in the tooltip.
-      let firstPart = DownloadsCommon.strings.statusSeparator(stateLabel,
-                                                              displayHost);
-      status = DownloadsCommon.strings.statusSeparator(firstPart, displayDate);
-      statusTip = DownloadsCommon.strings.statusSeparator(fullHost, fullDate);
-    }
-
-    this._element.setAttribute("status", status);
-    this._element.setAttribute("statusTip", statusTip || status);
-  },
-
-  /**
-   * Localized string representing the total size of completed downloads, for
-   * example "1.5 MB" or "Unknown size".
-   */
-  get _fileSizeText()
-  {
-    // Display the file size, but show "Unknown" for negative sizes.
-    let fileSize = this.dataItem.maxBytes;
-    if (fileSize < 0) {
-      return DownloadsCommon.strings.sizeUnknown;
-    }
-    let [size, unit] = DownloadUtils.convertByteUnits(fileSize);
-    return DownloadsCommon.strings.sizeWithUnits(size, unit);
-  },
-
-  //////////////////////////////////////////////////////////////////////////////
-  //// Functions called by the panel
-
-  /**
-   * Starts checking whether the target file of a finished download is still
-   * available on disk, and sets an attribute that controls how the item is
-   * presented visually.
-   *
-   * The existence check is executed on a background thread.
-   */
-  verifyTargetExists: function DVI_verifyTargetExists() {
-    // We don't need to check if the download is not finished successfully.
-    if (!this.dataItem.openable) {
-      return;
-    }
-
-    OS.File.exists(this.dataItem.localFile.path).then(
-      function DVI_RTE_onSuccess(aExists) {
-        if (aExists) {
-          this._element.setAttribute("exists", "true");
-        } else {
-          this._element.removeAttribute("exists");
-        }
-      }.bind(this), Cu.reportError);
   },
 };
 
@@ -1372,8 +1152,8 @@ const DownloadsViewController = {
 
     // Other commands are selection-specific.
     let element = DownloadsView.richListBox.selectedItem;
-    return element &&
-           new DownloadsViewItemController(element).isCommandEnabled(aCommand);
+    return element && DownloadsView.controllerForElement(element)
+                                   .isCommandEnabled(aCommand);
   },
 
   doCommand: function DVC_doCommand(aCommand)
@@ -1388,7 +1168,7 @@ const DownloadsViewController = {
     let element = DownloadsView.richListBox.selectedItem;
     if (element) {
       // The doCommand function also checks if the command is enabled.
-      new DownloadsViewItemController(element).doCommand(aCommand);
+      DownloadsView.controllerForElement(element).doCommand(aCommand);
     }
   },
 
@@ -1428,36 +1208,41 @@ XPCOMUtils.defineConstant(this, "DownloadsViewController", DownloadsViewControll
  * Handles all the user interaction events, in particular the "commands",
  * related to a single item in the downloads list widgets.
  */
-function DownloadsViewItemController(aElement) {
-  let downloadGuid = aElement.getAttribute("downloadGuid");
-  this.dataItem = DownloadsCommon.getData(window).dataItems[downloadGuid];
+function DownloadsViewItemController(download) {
+  this.download = download;
 }
 
 DownloadsViewItemController.prototype = {
-  //////////////////////////////////////////////////////////////////////////////
-  //// Command dispatching
-
-  /**
-   * The DownloadDataItem controlled by this object.
-   */
-  dataItem: null,
-
   isCommandEnabled: function DVIC_isCommandEnabled(aCommand)
   {
     switch (aCommand) {
       case "downloadsCmd_open": {
-        return this.dataItem.openable && this.dataItem.localFile.exists();
+        if (!this.download.succeeded) {
+          return false;
+        }
+
+        let file = new FileUtils.File(this.download.target.path);
+        return file.exists();
       }
       case "downloadsCmd_show": {
-        return this.dataItem.localFile.exists() ||
-               this.dataItem.partFile.exists();
+        let file = new FileUtils.File(this.download.target.path);
+        if (file.exists()) {
+          return true;
+        }
+
+        if (!this.download.target.partFilePath) {
+          return false;
+        }
+
+        let partFile = new FileUtils.File(this.download.target.partFilePath);
+        return partFile.exists();
       }
       case "downloadsCmd_pauseResume":
-        return this.dataItem.inProgress && this.dataItem.resumable;
+        return this.download.hasPartialData && !this.download.error;
       case "downloadsCmd_retry":
-        return this.dataItem.canRetry;
+        return this.download.canceled || this.download.error;
       case "downloadsCmd_openReferrer":
-        return !!this.dataItem.referrer;
+        return !!this.download.source.referrer;
       case "cmd_delete":
       case "downloadsCmd_cancel":
       case "downloadsCmd_copyLocation":
@@ -1485,21 +1270,21 @@ DownloadsViewItemController.prototype = {
   commands: {
     cmd_delete: function DVIC_cmd_delete()
     {
-      Downloads.getList(Downloads.ALL)
-               .then(list => list.remove(this.dataItem._download))
-               .then(() => this.dataItem._download.finalize(true))
-               .catch(Cu.reportError);
-      PlacesUtils.bhistory.removePage(NetUtil.newURI(this.dataItem.uri));
+      DownloadsCommon.removeAndFinalizeDownload(this.download);
+      PlacesUtils.bhistory.removePage(
+                             NetUtil.newURI(this.download.source.url));
     },
 
     downloadsCmd_cancel: function DVIC_downloadsCmd_cancel()
     {
-      this.dataItem.cancel();
+      this.download.cancel().catch(() => {});
+      this.download.removePartialData().catch(Cu.reportError);
     },
 
     downloadsCmd_open: function DVIC_downloadsCmd_open()
     {
-      this.dataItem.openLocalFile(window);
+      this.download.launch().catch(Cu.reportError);
+
       // We explicitly close the panel here to give the user the feedback that
       // their click has been received, and we're handling the action.
       // Otherwise, we'd have to wait for the file-type handler to execute
@@ -1510,7 +1295,8 @@ DownloadsViewItemController.prototype = {
 
     downloadsCmd_show: function DVIC_downloadsCmd_show()
     {
-      this.dataItem.showLocalFile();
+      let file = new FileUtils.File(this.download.target.path);
+      DownloadsCommon.showDownloadedFile(file);
 
       // We explicitly close the panel here to give the user the feedback that
       // their click has been received, and we're handling the action.
@@ -1522,24 +1308,28 @@ DownloadsViewItemController.prototype = {
 
     downloadsCmd_pauseResume: function DVIC_downloadsCmd_pauseResume()
     {
-      this.dataItem.togglePauseResume();
+      if (this.download.stopped) {
+        this.download.start();
+      } else {
+        this.download.cancel();
+      }
     },
 
     downloadsCmd_retry: function DVIC_downloadsCmd_retry()
     {
-      this.dataItem.retry();
+      this.download.start().catch(() => {});
     },
 
     downloadsCmd_openReferrer: function DVIC_downloadsCmd_openReferrer()
     {
-      openURL(this.dataItem.referrer);
+      openURL(this.download.source.referrer);
     },
 
     downloadsCmd_copyLocation: function DVIC_downloadsCmd_copyLocation()
     {
       let clipboard = Cc["@mozilla.org/widget/clipboardhelper;1"]
                       .getService(Ci.nsIClipboardHelper);
-      clipboard.copyString(this.dataItem.uri, document);
+      clipboard.copyString(this.download.source.url, document);
     },
 
     downloadsCmd_doDefault: function DVIC_downloadsCmd_doDefault()
@@ -1548,7 +1338,7 @@ DownloadsViewItemController.prototype = {
 
       // Determine the default command for the current item.
       let defaultCommand = function () {
-        switch (this.dataItem.state) {
+        switch (DownloadsCommon.stateOfDownload(this.download)) {
           case nsIDM.DOWNLOAD_NOTSTARTED:       return "downloadsCmd_cancel";
           case nsIDM.DOWNLOAD_FINISHED:         return "downloadsCmd_open";
           case nsIDM.DOWNLOAD_FAILED:           return "downloadsCmd_retry";
diff --git a/application/palemoon/components/downloads/content/downloadsOverlay.xul b/application/palemoon/components/downloads/content/downloadsOverlay.xul
index 2a4fe9099..ca35ee3cf 100644
--- a/application/palemoon/components/downloads/content/downloadsOverlay.xul
+++ b/application/palemoon/components/downloads/content/downloadsOverlay.xul
@@ -35,7 +35,7 @@
              oncommand="goDoCommand('downloadsCmd_clearList')"/>
   </commandset>
 
-  <popupset>
+  <popupset id="mainPopupSet">
     <!-- The panel has level="top" to ensure that it is never hidden by the
          taskbar on Windows.  See bug 672365.  For accessibility to screen
          readers, we use a label on the panel instead of the anchor because the
diff --git a/application/palemoon/components/downloads/jar.mn b/application/palemoon/components/downloads/jar.mn
index 8f8c66dd7..8c0b51902 100644
--- a/application/palemoon/components/downloads/jar.mn
+++ b/application/palemoon/components/downloads/jar.mn
@@ -3,16 +3,16 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 browser.jar:
-*       content/browser/downloads/download.xml           (content/download.xml)
-        content/browser/downloads/download.css           (content/download.css)
-        content/browser/downloads/downloads.css          (content/downloads.css)
-*       content/browser/downloads/downloads.js           (content/downloads.js)
-*       content/browser/downloads/downloadsOverlay.xul   (content/downloadsOverlay.xul)
-        content/browser/downloads/indicator.js           (content/indicator.js)
-        content/browser/downloads/indicatorOverlay.xul   (content/indicatorOverlay.xul)
-*       content/browser/downloads/allDownloadsViewOverlay.xul (content/allDownloadsViewOverlay.xul)
-        content/browser/downloads/allDownloadsViewOverlay.js  (content/allDownloadsViewOverlay.js)
-        content/browser/downloads/allDownloadsViewOverlay.css (content/allDownloadsViewOverlay.css)
-*       content/browser/downloads/contentAreaDownloadsView.xul (content/contentAreaDownloadsView.xul)
-        content/browser/downloads/contentAreaDownloadsView.js  (content/contentAreaDownloadsView.js)
-        content/browser/downloads/contentAreaDownloadsView.css (content/contentAreaDownloadsView.css)
+* content/browser/downloads/download.xml                      (content/download.xml)
+  content/browser/downloads/download.css                      (content/download.css)
+  content/browser/downloads/downloads.css                     (content/downloads.css)
+* content/browser/downloads/downloads.js                      (content/downloads.js)
+* content/browser/downloads/downloadsOverlay.xul              (content/downloadsOverlay.xul)
+  content/browser/downloads/indicator.js                      (content/indicator.js)
+  content/browser/downloads/indicatorOverlay.xul              (content/indicatorOverlay.xul)
+* content/browser/downloads/allDownloadsViewOverlay.xul       (content/allDownloadsViewOverlay.xul)
+  content/browser/downloads/allDownloadsViewOverlay.js        (content/allDownloadsViewOverlay.js)
+  content/browser/downloads/allDownloadsViewOverlay.css       (content/allDownloadsViewOverlay.css)
+* content/browser/downloads/contentAreaDownloadsView.xul      (content/contentAreaDownloadsView.xul)
+  content/browser/downloads/contentAreaDownloadsView.js       (content/contentAreaDownloadsView.js)
+  content/browser/downloads/contentAreaDownloadsView.css      (content/contentAreaDownloadsView.css)
diff --git a/application/palemoon/components/downloads/moz.build b/application/palemoon/components/downloads/moz.build
index 61d8c0f62..abfaab7df 100644
--- a/application/palemoon/components/downloads/moz.build
+++ b/application/palemoon/components/downloads/moz.build
@@ -15,6 +15,7 @@ EXTRA_COMPONENTS += [
 EXTRA_JS_MODULES += [
     'DownloadsLogger.jsm',
     'DownloadsTaskbar.jsm',
+    'DownloadsViewUI.jsm',
 ]
 
 EXTRA_PP_JS_MODULES += [
diff --git a/application/palemoon/components/feeds/FeedWriter.js b/application/palemoon/components/feeds/FeedWriter.js
index 2ae31dffa..d704835bb 100644
--- a/application/palemoon/components/feeds/FeedWriter.js
+++ b/application/palemoon/components/feeds/FeedWriter.js
@@ -692,21 +692,6 @@ FeedWriter.prototype = {
   },
 
   /**
-   * Get moz-icon url for a file
-   * @param   file
-   *          A nsIFile object for which the moz-icon:// is returned
-   * @returns moz-icon url of the given file as a string
-   */
-  _getFileIconURL: function FW__getFileIconURL(file) {
-    var ios = Cc["@mozilla.org/network/io-service;1"].
-              getService(Ci.nsIIOService);
-    var fph = ios.getProtocolHandler("file")
-                 .QueryInterface(Ci.nsIFileProtocolHandler);
-    var urlSpec = fph.getURLSpecFromFile(file);
-    return "moz-icon://" + urlSpec + "?size=16";
-  },
-
-  /**
    * Helper method to set the selected application and system default
    * reader menuitems details from a file object
    *   @param aMenuItem
@@ -717,7 +702,10 @@ FeedWriter.prototype = {
   _initMenuItemWithFile: function(aMenuItem, aFile) {
     this._contentSandbox.menuitem = aMenuItem;
     this._contentSandbox.label = this._getFileDisplayName(aFile);
-    this._contentSandbox.image = this._getFileIconURL(aFile);
+    // For security reasons, access to moz-icon:file://... URIs is
+    // no longer allowed (indirect file system access from content).
+    // We use a dummy application instead to get a generic icon.
+    this._contentSandbox.image = "moz-icon://dummy.exe?size=16";
     var codeStr = "menuitem.setAttribute('label', label); " +
                   "menuitem.setAttribute('image', image);"
     Cu.evalInSandbox(codeStr, this._contentSandbox);
diff --git a/application/palemoon/components/feeds/WebContentConverter.js b/application/palemoon/components/feeds/WebContentConverter.js
index 674c8f363..41679b028 100644
--- a/application/palemoon/components/feeds/WebContentConverter.js
+++ b/application/palemoon/components/feeds/WebContentConverter.js
@@ -63,7 +63,7 @@ const PREF_SELECTED_WEB = "browser.feeds.handlers.webservice";
 const PREF_SELECTED_ACTION = "browser.feeds.handler";
 const PREF_SELECTED_READER = "browser.feeds.handler.default";
 const PREF_HANDLER_EXTERNAL_PREFIX = "network.protocol-handler.external";
-const PREF_ALLOW_DIFFERENT_HOST = "goanna.handlerService.allowRegisterFromDifferentHost";
+const PREF_ALLOW_DIFFERENT_HOST = "gecko.handlerService.allowRegisterFromDifferentHost";
 
 const STRING_BUNDLE_URI = "chrome://browser/locale/feeds/subscribe.properties";
 
diff --git a/application/palemoon/components/feeds/jar.mn b/application/palemoon/components/feeds/jar.mn
index 2fae7efae..f8896f877 100644
--- a/application/palemoon/components/feeds/jar.mn
+++ b/application/palemoon/components/feeds/jar.mn
@@ -3,7 +3,7 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 browser.jar:
-    content/browser/feeds/subscribe.xhtml               (content/subscribe.xhtml) 
-    content/browser/feeds/subscribe.js                  (content/subscribe.js)
-    content/browser/feeds/subscribe.xml                 (content/subscribe.xml)
-    content/browser/feeds/subscribe.css                 (content/subscribe.css)
+  content/browser/feeds/subscribe.xhtml       (content/subscribe.xhtml) 
+  content/browser/feeds/subscribe.js          (content/subscribe.js)
+  content/browser/feeds/subscribe.xml         (content/subscribe.xml)
+  content/browser/feeds/subscribe.css         (content/subscribe.css)
diff --git a/application/palemoon/components/feeds/moz.build b/application/palemoon/components/feeds/moz.build
index 7ae9141aa..736920a73 100644
--- a/application/palemoon/components/feeds/moz.build
+++ b/application/palemoon/components/feeds/moz.build
@@ -13,9 +13,7 @@ XPIDL_SOURCES += [
 
 XPIDL_MODULE = 'browser-feeds'
 
-SOURCES += [
-    'nsFeedSniffer.cpp',
-]
+SOURCES += ['nsFeedSniffer.cpp']
 
 EXTRA_COMPONENTS += [
     'BrowserFeeds.manifest',
@@ -32,6 +30,4 @@ FINAL_LIBRARY = 'browsercomps'
 for var in ('MOZ_APP_NAME', 'MOZ_MACBUNDLE_NAME'):
     DEFINES[var] = CONFIG[var]
 
-LOCAL_INCLUDES += [
-    '../build',
-]
+LOCAL_INCLUDES += ['../build']
diff --git a/application/palemoon/components/fuel/moz.build b/application/palemoon/components/fuel/moz.build
index e78eda088..5c468f27d 100644
--- a/application/palemoon/components/fuel/moz.build
+++ b/application/palemoon/components/fuel/moz.build
@@ -4,17 +4,11 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-XPIDL_SOURCES += [
-    'fuelIApplication.idl',
-]
+XPIDL_SOURCES += ['fuelIApplication.idl']
 
 XPIDL_MODULE = 'fuel'
 
-EXTRA_COMPONENTS += [
-    'fuelApplication.manifest',
-]
+EXTRA_COMPONENTS += ['fuelApplication.manifest']
 
-EXTRA_PP_COMPONENTS += [
-    'fuelApplication.js',
-]
+EXTRA_PP_COMPONENTS += ['fuelApplication.js']
 
diff --git a/application/palemoon/components/moz.build b/application/palemoon/components/moz.build
index 397bf5142..eb2771c48 100644
--- a/application/palemoon/components/moz.build
+++ b/application/palemoon/components/moz.build
@@ -5,12 +5,14 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 DIRS += [
-    'about',
+    'abouthome',
     'certerror',
     'dirprovider',
     'downloads',
     'feeds',
     'fuel',
+    'newtab',
+    'pageinfo',
     'places',
     'permissions',
     'preferences',
@@ -23,6 +25,9 @@ DIRS += [
 if CONFIG['MOZ_BROWSER_STATUSBAR']:
     DIRS += ['statusbar']
 
+if CONFIG['MOZ_SERVICES_SYNC']:
+    DIRS += ['sync']
+
 DIRS += ['build']
 
 XPIDL_SOURCES += [
@@ -32,9 +37,9 @@ XPIDL_SOURCES += [
 
 XPIDL_MODULE = 'browsercompsbase'
 
-EXTRA_COMPONENTS += [ 'BrowserComponents.manifest' ]
-
 EXTRA_PP_COMPONENTS += [
+    'BrowserComponents.manifest',
+    'nsAboutRedirector.js',
     'nsBrowserContentHandler.js',
     'nsBrowserGlue.js',
 ]
diff --git a/application/palemoon/base/content/newtab/cells.js b/application/palemoon/components/newtab/cells.js
index 47d4ef52d..47d4ef52d 100644
--- a/application/palemoon/base/content/newtab/cells.js
+++ b/application/palemoon/components/newtab/cells.js
diff --git a/application/palemoon/base/content/newtab/drag.js b/application/palemoon/components/newtab/drag.js
index e3928ebd0..e3928ebd0 100644
--- a/application/palemoon/base/content/newtab/drag.js
+++ b/application/palemoon/components/newtab/drag.js
diff --git a/application/palemoon/base/content/newtab/dragDataHelper.js b/application/palemoon/components/newtab/dragDataHelper.js
index 675ff2671..675ff2671 100644
--- a/application/palemoon/base/content/newtab/dragDataHelper.js
+++ b/application/palemoon/components/newtab/dragDataHelper.js
diff --git a/application/palemoon/base/content/newtab/drop.js b/application/palemoon/components/newtab/drop.js
index 748652455..748652455 100644
--- a/application/palemoon/base/content/newtab/drop.js
+++ b/application/palemoon/components/newtab/drop.js
diff --git a/application/palemoon/base/content/newtab/dropPreview.js b/application/palemoon/components/newtab/dropPreview.js
index fd7587a35..fd7587a35 100644
--- a/application/palemoon/base/content/newtab/dropPreview.js
+++ b/application/palemoon/components/newtab/dropPreview.js
diff --git a/application/palemoon/base/content/newtab/dropTargetShim.js b/application/palemoon/components/newtab/dropTargetShim.js
index 57a97fa00..57a97fa00 100644
--- a/application/palemoon/base/content/newtab/dropTargetShim.js
+++ b/application/palemoon/components/newtab/dropTargetShim.js
diff --git a/application/palemoon/base/content/newtab/grid.js b/application/palemoon/components/newtab/grid.js
index db3d319c3..db3d319c3 100644
--- a/application/palemoon/base/content/newtab/grid.js
+++ b/application/palemoon/components/newtab/grid.js
diff --git a/application/basilisk/components/contextualidentity/jar.mn b/application/palemoon/components/newtab/jar.mn
index 848245949..2d6291422 100644
--- a/application/basilisk/components/contextualidentity/jar.mn
+++ b/application/palemoon/components/newtab/jar.mn
@@ -3,4 +3,6 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 browser.jar:
-    content/browser/usercontext/usercontext.css (content/usercontext.css)
+  content/browser/newtab/newTab.xhtml
+* content/browser/newtab/newTab.js
+  content/browser/newtab/newTab.css
\ No newline at end of file
diff --git a/application/basilisk/components/webextensions/schemas/moz.build b/application/palemoon/components/newtab/moz.build
index aac3a838c..2d64d506c 100644
--- a/application/basilisk/components/webextensions/schemas/moz.build
+++ b/application/palemoon/components/newtab/moz.build
@@ -1,7 +1,8 @@
-# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# -*- Mode: python; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40 -*-
 # vim: set filetype=python:
 # This Source Code Form is subject to the terms of the Mozilla Public
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 JAR_MANIFESTS += ['jar.mn']
+
diff --git a/application/palemoon/base/content/newtab/newTab.css b/application/palemoon/components/newtab/newTab.css
index fe745d2fd..3c7cfa102 100644
--- a/application/palemoon/base/content/newtab/newTab.css
+++ b/application/palemoon/components/newtab/newTab.css
@@ -301,7 +301,6 @@ input[type=button] {
   color: black;
   border-color: hsla(220,54%,20%,.15) hsla(220,54%,20%,.17) hsla(220,54%,20%,.2);
   border-radius: 0 2px 2px 0;
-  border-inline-start: 1px solid transparent;
   box-shadow: 0 0 2px hsla(0,0%,100%,.5) inset,
               0 1px 0 hsla(0,0%,100%,.2);
   cursor: pointer;
diff --git a/application/palemoon/base/content/newtab/newTab.js b/application/palemoon/components/newtab/newTab.js
index 0022f21bb..0022f21bb 100644
--- a/application/palemoon/base/content/newtab/newTab.js
+++ b/application/palemoon/components/newtab/newTab.js
diff --git a/application/palemoon/base/content/newtab/newTab.xhtml b/application/palemoon/components/newtab/newTab.xhtml
index de000e723..de000e723 100644
--- a/application/palemoon/base/content/newtab/newTab.xhtml
+++ b/application/palemoon/components/newtab/newTab.xhtml
diff --git a/application/palemoon/base/content/newtab/page.js b/application/palemoon/components/newtab/page.js
index 7117d4527..7117d4527 100644
--- a/application/palemoon/base/content/newtab/page.js
+++ b/application/palemoon/components/newtab/page.js
diff --git a/application/palemoon/base/content/newtab/search.js b/application/palemoon/components/newtab/search.js
index 8bc959eee..8bc959eee 100644
--- a/application/palemoon/base/content/newtab/search.js
+++ b/application/palemoon/components/newtab/search.js
diff --git a/application/palemoon/base/content/newtab/sites.js b/application/palemoon/components/newtab/sites.js
index a368146bb..a368146bb 100644
--- a/application/palemoon/base/content/newtab/sites.js
+++ b/application/palemoon/components/newtab/sites.js
diff --git a/application/palemoon/base/content/newtab/transformations.js b/application/palemoon/components/newtab/transformations.js
index f7db0ad84..f7db0ad84 100644
--- a/application/palemoon/base/content/newtab/transformations.js
+++ b/application/palemoon/components/newtab/transformations.js
diff --git a/application/palemoon/base/content/newtab/undo.js b/application/palemoon/components/newtab/undo.js
index b856914d2..b856914d2 100644
--- a/application/palemoon/base/content/newtab/undo.js
+++ b/application/palemoon/components/newtab/undo.js
diff --git a/application/palemoon/base/content/newtab/updater.js b/application/palemoon/components/newtab/updater.js
index 2bab74d70..2bab74d70 100644
--- a/application/palemoon/base/content/newtab/updater.js
+++ b/application/palemoon/components/newtab/updater.js
diff --git a/application/palemoon/components/nsAboutRedirector.js b/application/palemoon/components/nsAboutRedirector.js
new file mode 100644
index 000000000..4d99a78f5
--- /dev/null
+++ b/application/palemoon/components/nsAboutRedirector.js
@@ -0,0 +1,114 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+var Ci = Components.interfaces;
+var Cr = Components.results;
+var Cu = Components.utils;
+
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
+Cu.import("resource://gre/modules/Services.jsm");
+
+// See: netwerk/protocol/about/nsIAboutModule.idl
+const URI_SAFE_FOR_UNTRUSTED_CONTENT  = Ci.nsIAboutModule.URI_SAFE_FOR_UNTRUSTED_CONTENT;
+const ALLOW_SCRIPT                    = Ci.nsIAboutModule.ALLOW_SCRIPT;
+const HIDE_FROM_ABOUTABOUT            = Ci.nsIAboutModule.HIDE_FROM_ABOUTABOUT;
+const MAKE_LINKABLE                   = Ci.nsIAboutModule.MAKE_LINKABLE;
+
+function AboutRedirector() {}
+AboutRedirector.prototype = {
+  classDescription: "Browser about: Redirector",
+  classID: Components.ID("{8cc51368-6aa0-43e8-b762-bde9b9fd828c}"),
+  QueryInterface: XPCOMUtils.generateQI([Ci.nsIAboutModule]),
+
+  // Each entry in the map has the key as the part after the "about:" and the
+  // value as a record with url and flags entries. Note that each addition here
+  // should be coupled with a corresponding addition in BrowserComponents.manifest.
+  _redirMap: {
+    "certerror": {
+      url: "chrome://browser/content/certerror/aboutCertError.xhtml",
+      flags: (URI_SAFE_FOR_UNTRUSTED_CONTENT | ALLOW_SCRIPT | HIDE_FROM_ABOUTABOUT)
+    },
+    "downloads": {
+      url: "chrome://browser/content/downloads/contentAreaDownloadsView.xul",
+      flags: ALLOW_SCRIPT
+    },
+    "feeds": {
+      url: "chrome://browser/content/feeds/subscribe.xhtml",
+      flags: (URI_SAFE_FOR_UNTRUSTED_CONTENT | ALLOW_SCRIPT | HIDE_FROM_ABOUTABOUT)
+    },
+    "home": {
+      url: "chrome://browser/content/abouthome/aboutHome.xhtml",
+      flags: (URI_SAFE_FOR_UNTRUSTED_CONTENT | MAKE_LINKABLE | ALLOW_SCRIPT)
+    },
+    "newtab": {
+      url: "chrome://browser/content/newtab/newTab.xhtml",
+      flags: ALLOW_SCRIPT
+    },
+    "palemoon": {
+      url: "chrome://browser/content/palemoon.xhtml",
+      flags: (URI_SAFE_FOR_UNTRUSTED_CONTENT | HIDE_FROM_ABOUTABOUT)
+    },
+    "permissions": {
+      url: "chrome://browser/content/permissions/aboutPermissions.xul",
+      flags: ALLOW_SCRIPT
+    },
+    "privatebrowsing": {
+      url: "chrome://browser/content/aboutPrivateBrowsing.xhtml",
+      flags: ALLOW_SCRIPT
+    },
+    "rights": {
+      url: "chrome://global/content/aboutRights.xhtml",
+      flags: (URI_SAFE_FOR_UNTRUSTED_CONTENT | MAKE_LINKABLE | ALLOW_SCRIPT)
+    },
+    "sessionrestore": {
+      url: "chrome://browser/content/aboutSessionRestore.xhtml",
+      flags: ALLOW_SCRIPT
+    },
+#ifdef MOZ_SERVICES_SYNC
+    "sync-progress": {
+      url: "chrome://browser/content/sync/progress.xhtml",
+      flags: ALLOW_SCRIPT
+    },
+    "sync-tabs": {
+      url: "chrome://browser/content/sync/aboutSyncTabs.xul",
+      flags: ALLOW_SCRIPT
+    },
+#endif
+  },
+
+  /**
+   * Gets the module name from the given URI.
+   */
+  _getModuleName: function AboutRedirector__getModuleName(aURI) {
+    // Strip out the first ? or #, and anything following it
+    let name = (/[^?#]+/.exec(aURI.path))[0];
+    return name.toLowerCase();
+  },
+
+  getURIFlags: function(aURI) {
+    let name = this._getModuleName(aURI);
+    if (!(name in this._redirMap))
+      throw Cr.NS_ERROR_ILLEGAL_VALUE;
+    return this._redirMap[name].flags;
+  },
+
+  newChannel: function(aURI, aLoadInfo) {
+    let name = this._getModuleName(aURI);
+    if (!(name in this._redirMap))
+      throw Cr.NS_ERROR_ILLEGAL_VALUE;
+
+    let newURI = Services.io.newURI(this._redirMap[name].url, null, null);
+    let channel = Services.io.newChannelFromURIWithLoadInfo(newURI, aLoadInfo);
+    channel.originalURI = aURI;
+
+    if (this._redirMap[name].flags & Ci.nsIAboutModule.URI_SAFE_FOR_UNTRUSTED_CONTENT) {
+      let principal = Services.scriptSecurityManager.getNoAppCodebasePrincipal(aURI);
+      channel.owner = principal;
+    }
+
+    return channel;
+  }
+};
+
+var NSGetFactory = XPCOMUtils.generateNSGetFactory([AboutRedirector]);
diff --git a/application/palemoon/components/nsBrowserGlue.js b/application/palemoon/components/nsBrowserGlue.js
index 720d1165c..ad48dab29 100644
--- a/application/palemoon/components/nsBrowserGlue.js
+++ b/application/palemoon/components/nsBrowserGlue.js
@@ -152,6 +152,9 @@ BrowserGlue.prototype = {
   // nsIObserver implementation 
   observe: function BG_observe(subject, topic, data) {
     switch (topic) {
+      case "notifications-open-settings":
+        this._openPermissions(subject);
+        break;
       case "prefservice:after-app-defaults":
         this._onAppDefaults();
         break;
@@ -322,6 +325,7 @@ BrowserGlue.prototype = {
   // initialization (called on application startup) 
   _init: function BG__init() {
     let os = Services.obs;
+    os.addObserver(this, "notifications-open-settings", false);
     os.addObserver(this, "prefservice:after-app-defaults", false);
     os.addObserver(this, "final-ui-startup", false);
     os.addObserver(this, "browser-delayed-startup-finished", false);
@@ -354,6 +358,7 @@ BrowserGlue.prototype = {
   // cleanup (called on application shutdown)
   _dispose: function BG__dispose() {
     let os = Services.obs;
+    os.removeObserver(this, "notifications-open-settings");
     os.removeObserver(this, "prefservice:after-app-defaults");
     os.removeObserver(this, "final-ui-startup");
     os.removeObserver(this, "sessionstore-windows-restored");
@@ -547,14 +552,6 @@ BrowserGlue.prototype = {
       this._showPlacesLockedNotificationBox();
     }
 
-    // If there are plugins installed that are outdated, and the user hasn't
-    // been warned about them yet, open the plugins update page.
-    // Pale Moon: disable this functionality, people are already notified
-    // if they visit a page with an outdated plugin, and they can check
-    // properly from the plugins page as well.
-//    if (Services.prefs.getBoolPref(PREF_PLUGINS_NOTIFYUSER))
-//      this._showPluginUpdatePage();
-
     // For any add-ons that were installed disabled and can be enabled offer
     // them to the user.
     let changedIDs = AddonManager.getStartupChanges(AddonManager.STARTUP_CHANGE_INSTALLED);
@@ -1484,6 +1481,16 @@ BrowserGlue.prototype = {
     }
   },
 
+  _openPermissions: function(aPrincipal) {
+    var win = this.getMostRecentBrowserWindow();
+    var url = "about:permissions";
+    try {
+      url = url + "?filter=" + aPrincipal.URI.host;
+    }
+    catch (e) {}
+    win.openUILinkIn(url, "tab");
+  },
+
   _hasSystemAlertsService: function() {
     try {
       return !!Cc["@mozilla.org/system-alerts-service;1"].getService(
diff --git a/application/palemoon/base/content/pageinfo/feeds.js b/application/palemoon/components/pageinfo/feeds.js
index 468d8c19d..468d8c19d 100644
--- a/application/palemoon/base/content/pageinfo/feeds.js
+++ b/application/palemoon/components/pageinfo/feeds.js
diff --git a/application/palemoon/base/content/pageinfo/feeds.xml b/application/palemoon/components/pageinfo/feeds.xml
index 782c05a73..782c05a73 100644
--- a/application/palemoon/base/content/pageinfo/feeds.xml
+++ b/application/palemoon/components/pageinfo/feeds.xml
diff --git a/application/palemoon/components/pageinfo/jar.mn b/application/palemoon/components/pageinfo/jar.mn
new file mode 100644
index 000000000..229f99168
--- /dev/null
+++ b/application/palemoon/components/pageinfo/jar.mn
@@ -0,0 +1,13 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+browser.jar:
+* content/browser/pageinfo/pageInfo.xul
+  content/browser/pageinfo/pageInfo.js
+  content/browser/pageinfo/pageInfo.css
+  content/browser/pageinfo/pageInfo.xml
+  content/browser/pageinfo/feeds.js
+  content/browser/pageinfo/feeds.xml
+  content/browser/pageinfo/permissions.js
+  content/browser/pageinfo/security.js
\ No newline at end of file
diff --git a/application/palemoon/components/about/moz.build b/application/palemoon/components/pageinfo/moz.build
index 95a8451ba..2d64d506c 100644
--- a/application/palemoon/components/about/moz.build
+++ b/application/palemoon/components/pageinfo/moz.build
@@ -4,16 +4,5 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-EXPORTS.mozilla.browser += [
-    'AboutRedirector.h',
-]
+JAR_MANIFESTS += ['jar.mn']
 
-SOURCES += [
-    'AboutRedirector.cpp',
-]
-
-FINAL_LIBRARY = 'browsercomps'
-
-LOCAL_INCLUDES += [
-    '../build',
-]
diff --git a/application/palemoon/base/content/pageinfo/pageInfo.css b/application/palemoon/components/pageinfo/pageInfo.css
index 622b56bb5..622b56bb5 100644
--- a/application/palemoon/base/content/pageinfo/pageInfo.css
+++ b/application/palemoon/components/pageinfo/pageInfo.css
diff --git a/application/palemoon/base/content/pageinfo/pageInfo.js b/application/palemoon/components/pageinfo/pageInfo.js
index 600174ad9..600174ad9 100644
--- a/application/palemoon/base/content/pageinfo/pageInfo.js
+++ b/application/palemoon/components/pageinfo/pageInfo.js
diff --git a/application/palemoon/base/content/pageinfo/pageInfo.xml b/application/palemoon/components/pageinfo/pageInfo.xml
index 20d330046..20d330046 100644
--- a/application/palemoon/base/content/pageinfo/pageInfo.xml
+++ b/application/palemoon/components/pageinfo/pageInfo.xml
diff --git a/application/palemoon/base/content/pageinfo/pageInfo.xul b/application/palemoon/components/pageinfo/pageInfo.xul
index e3a61d31e..c7c486ab9 100644
--- a/application/palemoon/base/content/pageinfo/pageInfo.xul
+++ b/application/palemoon/components/pageinfo/pageInfo.xul
@@ -501,7 +501,7 @@
   </deck>
 
 #ifdef XP_MACOSX
-#include ../browserMountPoints.inc
+#include ../../base/content/browserMountPoints.inc
 #endif
 
 </window>
diff --git a/application/palemoon/base/content/pageinfo/permissions.js b/application/palemoon/components/pageinfo/permissions.js
index 4f8382f66..4f8382f66 100644
--- a/application/palemoon/base/content/pageinfo/permissions.js
+++ b/application/palemoon/components/pageinfo/permissions.js
diff --git a/application/palemoon/base/content/pageinfo/security.js b/application/palemoon/components/pageinfo/security.js
index e791ab92a..e791ab92a 100644
--- a/application/palemoon/base/content/pageinfo/security.js
+++ b/application/palemoon/components/pageinfo/security.js
diff --git a/application/palemoon/components/permissions/aboutPermissions.js b/application/palemoon/components/permissions/aboutPermissions.js
index 6a02daa29..421b65a0e 100644
--- a/application/palemoon/components/permissions/aboutPermissions.js
+++ b/application/palemoon/components/permissions/aboutPermissions.js
@@ -516,6 +516,14 @@ var AboutPermissions = {
     Services.obs.notifyObservers(null, "browser-permissions-preinit", null);
 
     this._initPart2();
+
+    // Process about:permissions?filter=<string>
+    // About URIs don't support query params, so do this manually
+    var loc = document.location.href;
+    var matches = /[?&]filter\=([^&]+)/i.exec(loc);
+    if (matches) {
+      this.sitesFilter.value = decodeURIComponent(matches[1]);
+    }
   },
 
   sitesReload: function() {
diff --git a/application/palemoon/components/permissions/jar.mn b/application/palemoon/components/permissions/jar.mn
index 53fb2b41e..c78893837 100644
--- a/application/palemoon/components/permissions/jar.mn
+++ b/application/palemoon/components/permissions/jar.mn
@@ -3,7 +3,7 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 browser.jar:
-    content/browser/permissions/aboutPermissions.xul
-    content/browser/permissions/aboutPermissions.js
-    content/browser/permissions/aboutPermissions.css
-    content/browser/permissions/aboutPermissions.xml
+  content/browser/permissions/aboutPermissions.xul
+  content/browser/permissions/aboutPermissions.js
+  content/browser/permissions/aboutPermissions.css
+  content/browser/permissions/aboutPermissions.xml
diff --git a/application/palemoon/components/permissions/moz.build b/application/palemoon/components/permissions/moz.build
index a4c26de89..3bbe67297 100644
--- a/application/palemoon/components/permissions/moz.build
+++ b/application/palemoon/components/permissions/moz.build
@@ -4,5 +4,4 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-
 JAR_MANIFESTS += ['jar.mn']
diff --git a/application/palemoon/components/places/PlacesUIUtils.jsm b/application/palemoon/components/places/PlacesUIUtils.jsm
index f62535613..05d79241c 100644
--- a/application/palemoon/components/places/PlacesUIUtils.jsm
+++ b/application/palemoon/components/places/PlacesUIUtils.jsm
@@ -146,14 +146,21 @@ this.PlacesUIUtils = {
    *       annotations are synced from the old one.
    * @see this._copyableAnnotations for the list of copyable annotations.
    */
-  _getFolderCopyTransaction:
-  function PUIU__getFolderCopyTransaction(aData, aContainer, aIndex)
-  {
-    function getChildItemsTransactions(aChildren)
-    {
+  _getFolderCopyTransaction(aData, aContainer, aIndex) {
+    function getChildItemsTransactions(aRoot) {
       let transactions = [];
       let index = aIndex;
-      aChildren.forEach(function (node, i) {
+      for (let i = 0; i < aRoot.childCount; ++i) {
+        let child = aRoot.getChild(i);
+        // Temporary hacks until we switch to PlacesTransactions.jsm.
+        let isLivemark =
+          PlacesUtils.annotations.itemHasAnnotation(child.itemId,
+                                                    PlacesUtils.LMANNO_FEEDURI);
+        let [node] = PlacesUtils.unwrapNodes(
+          PlacesUtils.wrapNode(child, PlacesUtils.TYPE_X_MOZ_PLACE, isLivemark),
+          PlacesUtils.TYPE_X_MOZ_PLACE
+        );
+
         // Make sure that items are given the correct index, this will be
         // passed by the transaction manager to the backend for the insertion.
         // Insertion behaves differently for DEFAULT_INDEX (append).
@@ -184,19 +191,21 @@ this.PlacesUIUtils = {
         else {
           throw new Error("Unexpected item under a bookmarks folder");
         }
-      });
+      }
       return transactions;
     }
 
-    if (aContainer == PlacesUtils.tagsFolderId) { // Copying a tag folder.
+    if (aContainer == PlacesUtils.tagsFolderId) { // Copying into a tag folder.
       let transactions = [];
-      if (aData.children) {
-        aData.children.forEach(function(aChild) {
+      if (!aData.livemark && aData.type == PlacesUtils.TYPE_X_MOZ_PLACE_CONTAINER) {
+        let {root} = PlacesUtils.getFolderContents(aData.id, false, false);
+        let urls = PlacesUtils.getURLsForContainerNode(root);
+        root.containerOpen = false;
+        for (let { uri } of urls) {
           transactions.push(
-            new PlacesTagURITransaction(PlacesUtils._uri(aChild.uri),
-                                        [aData.title])
+            new PlacesTagURITransaction(NetUtil.newURI(uri), [aData.title])
           );
-        });
+        }
       }
       return new PlacesAggregatedTransaction("addTags", transactions);
     }
@@ -205,7 +214,10 @@ this.PlacesUIUtils = {
       return this._getLivemarkCopyTransaction(aData, aContainer, aIndex);
     }
 
-    let transactions = getChildItemsTransactions(aData.children);
+    let {root} = PlacesUtils.getFolderContents(aData.id, false, false);
+    let transactions = getChildItemsTransactions(root);
+    root.containerOpen = false;
+
     if (aData.dateAdded) {
       transactions.push(
         new PlacesEditItemDateAddedTransaction(null, aData.dateAdded)
diff --git a/application/palemoon/components/places/content/bookmarkProperties.js b/application/palemoon/components/places/content/bookmarkProperties.js
index 685ef57d2..e1d1077ab 100644
--- a/application/palemoon/components/places/content/bookmarkProperties.js
+++ b/application/palemoon/components/places/content/bookmarkProperties.js
@@ -382,6 +382,11 @@ var BookmarkPropertiesPanel = {
             .addEventListener("input", this, false);
       }
     }
+    
+    // Ensure the Name Picker textbox is focused on load
+    var namePickerElem = document.getElementById('editBMPanel_namePicker');
+    namePickerElem.focus();
+    namePickerElem.select();
   }),
 
   // nsIDOMEventListener
diff --git a/application/palemoon/components/places/content/controller.js b/application/palemoon/components/places/content/controller.js
index 7f27e8347..7f5f7f652 100644
--- a/application/palemoon/components/places/content/controller.js
+++ b/application/palemoon/components/places/content/controller.js
@@ -1287,15 +1287,15 @@ PlacesController.prototype = {
     if (!didSuppressNotifications)
       result.suppressNotifications = true;
 
-    function addData(type, index, overrideURI) {
-      let wrapNode = PlacesUtils.wrapNode(node, type, overrideURI, doCopy);
+    function addData(type, index, feedURI) {
+      let wrapNode = PlacesUtils.wrapNode(node, type, feedURI);
       dt.mozSetDataAt(type, wrapNode, index);
     }
 
-    function addURIData(index, overrideURI) {
-      addData(PlacesUtils.TYPE_X_MOZ_URL, index, overrideURI);
-      addData(PlacesUtils.TYPE_UNICODE, index, overrideURI);
-      addData(PlacesUtils.TYPE_HTML, index, overrideURI);
+    function addURIData(index, feedURI) {
+      addData(PlacesUtils.TYPE_X_MOZ_URL, index, feedURI);
+      addData(PlacesUtils.TYPE_UNICODE, index, feedURI);
+      addData(PlacesUtils.TYPE_HTML, index, feedURI);
     }
 
     try {
@@ -1387,12 +1387,11 @@ PlacesController.prototype = {
         copiedFolders.push(node);
 
       let livemarkInfo = this.getCachedLivemarkInfo(node);
-      let overrideURI = livemarkInfo ? livemarkInfo.feedURI.spec : null;
-      let resolveShortcuts = !PlacesControllerDragHelper.canMoveNode(node);
+      let feedURI = livemarkInfo && livemarkInfo.feedURI.spec;
 
       contents.forEach(function (content) {
         content.entries.push(
-          PlacesUtils.wrapNode(node, content.type, overrideURI, resolveShortcuts)
+          PlacesUtils.wrapNode(node, content.type, feedURI)
         );
       });
     }, this);
diff --git a/application/palemoon/components/places/content/places.js b/application/palemoon/components/places/content/places.js
index a94193823..40dbcb9b8 100644
--- a/application/palemoon/components/places/content/places.js
+++ b/application/palemoon/components/places/content/places.js
@@ -491,7 +491,7 @@ var PlacesOrganizer = {
 
     Task.spawn(function() {
       try {
-        yield BookmarkJSONUtils.importFromFile(aFile, true);
+        yield BookmarkJSONUtils.importFromFile(aFile.path, true);
       } catch(ex) {
         PlacesOrganizer._showErrorAlert(PlacesUIUtils.getString("bookmarksRestoreParseError"));
       }
@@ -519,7 +519,7 @@ var PlacesOrganizer = {
     let fp = Cc["@mozilla.org/filepicker;1"].createInstance(Ci.nsIFilePicker);
     let fpCallback = function fpCallback_done(aResult) {
       if (aResult != Ci.nsIFilePicker.returnCancel) {
-        BookmarkJSONUtils.exportToFile(fp.file);
+        BookmarkJSONUtils.exportToFile(fp.file.path);
       }
     };
 
diff --git a/application/palemoon/components/places/jar.mn b/application/palemoon/components/places/jar.mn
index 44ae61fd3..41222e156 100644
--- a/application/palemoon/components/places/jar.mn
+++ b/application/palemoon/components/places/jar.mn
@@ -6,29 +6,29 @@ browser.jar:
 % overlay chrome://browser/content/places/places.xul chrome://browser/content/places/downloadsViewOverlay.xul
 # Provide another URI for the bookmarkProperties dialog so we can persist the
 # attributes separately
-    content/browser/places/bookmarkProperties2.xul       (content/bookmarkProperties.xul)
-*   content/browser/places/places.xul                    (content/places.xul) 
-*   content/browser/places/places.js                     (content/places.js)
-    content/browser/places/places.css                    (content/places.css)
-    content/browser/places/organizer.css                 (content/organizer.css)
-    content/browser/places/bookmarkProperties.xul        (content/bookmarkProperties.xul)
-    content/browser/places/bookmarkProperties.js         (content/bookmarkProperties.js)
-    content/browser/places/placesOverlay.xul             (content/placesOverlay.xul)
-*   content/browser/places/menu.xml                      (content/menu.xml)
-    content/browser/places/tree.xml                      (content/tree.xml)
-    content/browser/places/controller.js                 (content/controller.js)
-    content/browser/places/treeView.js                   (content/treeView.js)
-*   content/browser/places/browserPlacesViews.js         (content/browserPlacesViews.js)
+  content/browser/places/bookmarkProperties2.xul       (content/bookmarkProperties.xul)
+* content/browser/places/places.xul                    (content/places.xul) 
+* content/browser/places/places.js                     (content/places.js)
+  content/browser/places/places.css                    (content/places.css)
+  content/browser/places/organizer.css                 (content/organizer.css)
+  content/browser/places/bookmarkProperties.xul        (content/bookmarkProperties.xul)
+  content/browser/places/bookmarkProperties.js         (content/bookmarkProperties.js)
+  content/browser/places/placesOverlay.xul             (content/placesOverlay.xul)
+* content/browser/places/menu.xml                      (content/menu.xml)
+  content/browser/places/tree.xml                      (content/tree.xml)
+  content/browser/places/controller.js                 (content/controller.js)
+  content/browser/places/treeView.js                   (content/treeView.js)
+* content/browser/places/browserPlacesViews.js         (content/browserPlacesViews.js)
 # keep the Places version of the history sidebar at history/history-panel.xul 
 # to prevent having to worry about between versions of the browser
-*   content/browser/history/history-panel.xul            (content/history-panel.xul) 
-    content/browser/places/history-panel.js              (content/history-panel.js)
+* content/browser/history/history-panel.xul            (content/history-panel.xul) 
+  content/browser/places/history-panel.js              (content/history-panel.js)
 # ditto for the bookmarks sidebar
-    content/browser/bookmarks/bookmarksPanel.xul         (content/bookmarksPanel.xul)
-    content/browser/bookmarks/bookmarksPanel.js          (content/bookmarksPanel.js)
-*   content/browser/bookmarks/sidebarUtils.js            (content/sidebarUtils.js)
-    content/browser/places/moveBookmarks.xul             (content/moveBookmarks.xul)
-    content/browser/places/moveBookmarks.js              (content/moveBookmarks.js)
-    content/browser/places/editBookmarkOverlay.xul       (content/editBookmarkOverlay.xul)
-    content/browser/places/editBookmarkOverlay.js        (content/editBookmarkOverlay.js)
-*   content/browser/places/downloadsViewOverlay.xul      (content/downloadsViewOverlay.xul)
+  content/browser/bookmarks/bookmarksPanel.xul         (content/bookmarksPanel.xul)
+  content/browser/bookmarks/bookmarksPanel.js          (content/bookmarksPanel.js)
+* content/browser/bookmarks/sidebarUtils.js            (content/sidebarUtils.js)
+  content/browser/places/moveBookmarks.xul             (content/moveBookmarks.xul)
+  content/browser/places/moveBookmarks.js              (content/moveBookmarks.js)
+  content/browser/places/editBookmarkOverlay.xul       (content/editBookmarkOverlay.xul)
+  content/browser/places/editBookmarkOverlay.js        (content/editBookmarkOverlay.js)
+* content/browser/places/downloadsViewOverlay.xul      (content/downloadsViewOverlay.xul)
diff --git a/application/palemoon/components/places/moz.build b/application/palemoon/components/places/moz.build
index 2e35e1951..f8b0d125d 100644
--- a/application/palemoon/components/places/moz.build
+++ b/application/palemoon/components/places/moz.build
@@ -7,4 +7,3 @@
 JAR_MANIFESTS += ['jar.mn']
 
 EXTRA_JS_MODULES += [ 'PlacesUIUtils.jsm' ]
-
diff --git a/application/palemoon/components/preferences/advanced.js b/application/palemoon/components/preferences/advanced.js
index 0803496fe..aab58b386 100644
--- a/application/palemoon/components/preferences/advanced.js
+++ b/application/palemoon/components/preferences/advanced.js
@@ -455,7 +455,7 @@ var gAdvancedPane = {
     var list = document.getElementById("offlineAppsList");
     var item = list.selectedItem;
     var origin = item.getAttribute("origin");
-    var principal = BrowserUtils.principalFromOrigin(origin);
+    var principal = Services.scriptSecurityManager.createCodebasePrincipalFromOrigin(origin);
 
     var prompts = Components.classes["@mozilla.org/embedcomp/prompt-service;1"]
                             .getService(Components.interfaces.nsIPromptService);
@@ -474,7 +474,7 @@ var gAdvancedPane = {
     // get the permission
     var pm = Components.classes["@mozilla.org/permissionmanager;1"]
                        .getService(Components.interfaces.nsIPermissionManager);
-    var perm = pm.getPermissionObject(principal, "offline-app");
+    var perm = pm.getPermissionObject(principal, "offline-app", true);
     if (perm) {
       // clear offline cache entries
       try {
diff --git a/application/palemoon/components/preferences/advanced.xul b/application/palemoon/components/preferences/advanced.xul
index 3bd5becb3..34998c1b8 100644
--- a/application/palemoon/components/preferences/advanced.xul
+++ b/application/palemoon/components/preferences/advanced.xul
@@ -27,10 +27,7 @@
       <!--XXX button prefs -->
 
       <!-- General tab -->
-<!-- Pale Moon: remove accessibility features, they confuse people anyway  -->
-<!--      <preference id="accessibility.browsewithcaret"   name="accessibility.browsewithcaret"   type="bool"/> -->
       <preference id="accessibility.typeaheadfind"     name="accessibility.typeaheadfind"     type="bool"/>
-<!--      <preference id="accessibility.blockautorefresh"  name="accessibility.blockautorefresh"  type="bool"/> -->
 
       <preference id="general.autoScroll"              name="general.autoScroll"              type="bool"/>
       <preference id="general.smoothScroll"            name="general.smoothScroll"            type="bool"/>
@@ -51,8 +48,8 @@
                   type="bool"/>
 #endif
       <preference id="pref.general.compatmode" name="general.useragent.compatMode"        type="int"/>
-
-      <!-- Data Choices tab -->
+      
+      <preference id="pref.general.captiveportal" name="network.captive-portal-service.enabled" type="bool"/>
 
       <!-- Network tab -->
       <preference id="browser.cache.disk.capacity"     name="browser.cache.disk.capacity"     type="int"/>
@@ -136,22 +133,13 @@
         <tabpanel id="generalPanel" orient="vertical">
 
           <!-- Accessibility -->
-<!-- Pale Moon: remove accessibility features, they confuse people anyway  -->
           <groupbox id="accessibilityGroup" align="start">
             <caption label="&accessibility.label;"/>
 
-<!--            <checkbox id="useCursorNavigation"
-                      label="&useCursorNavigation.label;"
-                      accesskey="&useCursorNavigation.accesskey;"
-                      preference="accessibility.browsewithcaret"/> -->
             <checkbox id="searchStartTyping"
                       label="&searchStartTyping.label;"
                       accesskey="&searchStartTyping.accesskey;"
                       preference="accessibility.typeaheadfind"/>
-<!--            <checkbox id="blockAutoRefresh"
-                      label="&blockAutoRefresh.label;"
-                      accesskey="&blockAutoRefresh.accesskey;"
-                      preference="accessibility.blockautorefresh"/> -->
           </groupbox>
 
           <!-- Browsing -->
@@ -193,6 +181,7 @@
             </hbox>
           </groupbox>
 #endif
+          <!-- User Agent compatibility -->
           <groupbox id="UACompatGroup" orient="vertical">
             <caption label="&UACompatGroup.label;"/>
             <hbox align="center">
@@ -206,6 +195,15 @@
                 </menulist>
             </hbox>
           </groupbox>
+          
+          <!-- Captive portal detection -->
+          <groupbox id="captivePortalGroup" orient="vertical">
+            <caption label="&captivePortalGroup.label;"/>
+            <checkbox id="captivePortalDetect"
+                      label="&captivePortalDetect.label;"
+                      preference="pref.general.captiveportal"/>
+          </groupbox>
+          
         </tabpanel>
 
         <!-- Network -->
diff --git a/application/palemoon/components/preferences/connection.js b/application/palemoon/components/preferences/connection.js
index c1dd1bb6d..da038c925 100644
--- a/application/palemoon/components/preferences/connection.js
+++ b/application/palemoon/components/preferences/connection.js
@@ -63,7 +63,7 @@ var gConnectionsDialog = {
     autologinProxyPref.disabled = proxyTypePref.value == 0;
 
     var noProxiesPref = document.getElementById("network.proxy.no_proxies_on");
-    noProxiesPref.disabled = proxyTypePref.value != 1;
+    noProxiesPref.disabled = proxyTypePref.value == 0;
 
     var autoconfigURLPref = document.getElementById("network.proxy.autoconfig_url");
     autoconfigURLPref.disabled = proxyTypePref.value != 2;
diff --git a/application/palemoon/components/preferences/connection.xul b/application/palemoon/components/preferences/connection.xul
index 491bf4878..e6079dd54 100644
--- a/application/palemoon/components/preferences/connection.xul
+++ b/application/palemoon/components/preferences/connection.xul
@@ -138,9 +138,6 @@
                 <radio id="networkProxySOCKSVersion5" value="5" label="&socks5.label;" accesskey="&socks5.accesskey;"/>
               </radiogroup>
             </row>
-            <label value="&noproxy.label;" accesskey="&noproxy.accesskey;" control="networkProxyNone"/>
-            <textbox id="networkProxyNone" preference="network.proxy.no_proxies_on" multiline="true" rows="2"/>
-            <label value="&noproxyExplain.label;" control="networkProxyNone"/>
           </rows>
         </grid>
         <radio value="2" label="&autoTypeRadio.label;" accesskey="&autoTypeRadio.accesskey;"/>
@@ -154,6 +151,9 @@
         </hbox>
       </radiogroup>
       <separator class="thin"/>
+      <label value="&noproxy.label;" accesskey="&noproxy.accesskey;" control="networkProxyNone"/>
+      <textbox id="networkProxyNone" preference="network.proxy.no_proxies_on" multiline="true" rows="2"/>
+      <label value="&noproxyExplain.label;" control="networkProxyNone"/>
       <checkbox id="autologinProxy" preference="signon.autologin.proxy"
                 label="&autologinproxy.label;" accesskey="&autologinproxy.accesskey;"
                 tooltiptext="&autologinproxy.tooltip;"/>
diff --git a/application/palemoon/components/preferences/jar.mn b/application/palemoon/components/preferences/jar.mn
index 2e2949306..6e143dea3 100644
--- a/application/palemoon/components/preferences/jar.mn
+++ b/application/palemoon/components/preferences/jar.mn
@@ -3,41 +3,42 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 browser.jar:
-*   content/browser/preferences/advanced.xul
-*   content/browser/preferences/advanced.js
-    content/browser/preferences/applications.xul
-*   content/browser/preferences/applications.js
-    content/browser/preferences/applicationManager.xul
-*   content/browser/preferences/applicationManager.js
-*   content/browser/preferences/colors.xul
-*   content/browser/preferences/cookies.xul
-*   content/browser/preferences/cookies.js
-    content/browser/preferences/content.xul
-    content/browser/preferences/content.js
-*   content/browser/preferences/connection.xul
-    content/browser/preferences/connection.js
-*   content/browser/preferences/fonts.xul
-    content/browser/preferences/fonts.js
-    content/browser/preferences/handlers.xml
-    content/browser/preferences/handlers.css
-*   content/browser/preferences/languages.xul
-    content/browser/preferences/languages.js
-*   content/browser/preferences/main.xul
-    content/browser/preferences/main.js
-    content/browser/preferences/permissions.xul
-*   content/browser/preferences/permissions.js
-*   content/browser/preferences/preferences.xul
-    content/browser/preferences/privacy.xul
-    content/browser/preferences/privacy.js
-    content/browser/preferences/sanitize.xul
-    content/browser/preferences/sanitize.js
-    content/browser/preferences/security.xul
-    content/browser/preferences/security.js
-    content/browser/preferences/selectBookmark.xul
-    content/browser/preferences/selectBookmark.js
+* content/browser/preferences/advanced.xul
+* content/browser/preferences/advanced.js
+  content/browser/preferences/applications.xul
+* content/browser/preferences/applications.js
+  content/browser/preferences/applicationManager.xul
+* content/browser/preferences/applicationManager.js
+* content/browser/preferences/colors.xul
+* content/browser/preferences/cookies.xul
+* content/browser/preferences/cookies.js
+  content/browser/preferences/content.xul
+  content/browser/preferences/content.js
+* content/browser/preferences/connection.xul
+  content/browser/preferences/connection.js
+* content/browser/preferences/fonts.xul
+  content/browser/preferences/fonts.js
+  content/browser/preferences/handlers.xml
+  content/browser/preferences/handlers.css
+* content/browser/preferences/languages.xul
+  content/browser/preferences/languages.js
+* content/browser/preferences/main.xul
+  content/browser/preferences/main.js
+  content/browser/preferences/newtaburl.js
+  content/browser/preferences/permissions.xul
+* content/browser/preferences/permissions.js
+* content/browser/preferences/preferences.xul
+  content/browser/preferences/privacy.xul
+  content/browser/preferences/privacy.js
+  content/browser/preferences/sanitize.xul
+  content/browser/preferences/sanitize.js
+  content/browser/preferences/security.xul
+  content/browser/preferences/security.js
+  content/browser/preferences/selectBookmark.xul
+  content/browser/preferences/selectBookmark.js
 #ifdef MOZ_SERVICES_SYNC
-    content/browser/preferences/sync.xul
-    content/browser/preferences/sync.js
+  content/browser/preferences/sync.xul
+  content/browser/preferences/sync.js
 #endif
-*   content/browser/preferences/tabs.xul
-*   content/browser/preferences/tabs.js
+* content/browser/preferences/tabs.xul
+* content/browser/preferences/tabs.js
diff --git a/application/palemoon/components/preferences/main.xul b/application/palemoon/components/preferences/main.xul
index 7634056eb..bb51947b0 100644
--- a/application/palemoon/components/preferences/main.xul
+++ b/application/palemoon/components/preferences/main.xul
@@ -96,6 +96,7 @@
                  type="autocomplete" autocompletesearch="history"
                  onsyncfrompreference="return gMainPane.syncFromHomePref();"
                  onsynctopreference="return gMainPane.syncToHomePref(this.value);"
+                 oninput="gNewtabUrl.writeNewtabUrl(null, this.value);"
                  placeholder="&abouthome.pageTitle;"
                  preference="browser.startup.homepage"/>
       </hbox>
@@ -103,15 +104,15 @@
         <button label="" accesskey="&useCurrentPage.accesskey;"
                 label1="&useCurrentPage.label;"
                 label2="&useMultiple.label;"
-                oncommand="gMainPane.setHomePageToCurrent();"
+                oncommand="gMainPane.setHomePageToCurrent(); gNewtabUrl.writeNewtabUrl();"
                 id="useCurrent"
                 preference="pref.browser.homepage.disable_button.current_page"/>
         <button label="&chooseBookmark.label;" accesskey="&chooseBookmark.accesskey;"
-                oncommand="gMainPane.setHomePageToBookmark();"
+                oncommand="gMainPane.setHomePageToBookmark(); gNewtabUrl.writeNewtabUrl();"
                 id="useBookmark"
                 preference="pref.browser.homepage.disable_button.bookmark_page"/>
         <button label="&restoreDefault.label;" accesskey="&restoreDefault.accesskey;"
-                oncommand="gMainPane.restoreDefaultHomePage();"
+                oncommand="gMainPane.restoreDefaultHomePage(); gNewtabUrl.writeNewtabUrl();"
                 id="restoreDefaultHomePage"
                 preference="pref.browser.homepage.disable_button.restore_default"/>
       </hbox>
diff --git a/application/palemoon/components/preferences/newtaburl.js b/application/palemoon/components/preferences/newtaburl.js
new file mode 100644
index 000000000..3c82df846
--- /dev/null
+++ b/application/palemoon/components/preferences/newtaburl.js
@@ -0,0 +1,102 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public

+ * License, v. 2.0. If a copy of the MPL was not distributed with this

+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

+

+var gNewtabUrl = {

+  /**

+   * Writes browser.newtab.url with the appropriate value.

+   * If the choice is "my home page", get and sanitize

+   * the browser home page URL to make it suitable for newtab use.

+   *

+   * Called from prefwindow ondialogaccept in preferences.xul,

+   * newtabPage oncommand in tabs.xul, browserHomePage oninput,

+   * useCurrent, useBookmark and restoreDefaultHomePage oncommand

+   * in main.xul to consider instantApply.

+   */

+  writeNewtabUrl: function(newtabUrlChoice, browserHomepageUrl) {

+    try {

+      if (newtabUrlChoice) {

+        if (Services.prefs.getBoolPref("browser.preferences.instantApply")) {

+          newtabUrlChoice = parseInt(newtabUrlChoice);

+        } else {

+          return;

+        }

+      } else {

+        if (this.newtabUrlChoiceIsSet) {

+          newtabUrlChoice = Services.prefs.getIntPref("browser.newtab.choice");

+        } else {

+          newtabUrlChoice = this.getNewtabChoice();

+        }

+      }

+      if (browserHomepageUrl || browserHomepageUrl == "") {

+        if (Services.prefs.getBoolPref("browser.preferences.instantApply")) {

+          if (browserHomepageUrl == "") {

+            browserHomepageUrl = "about:home";

+          }

+        } else {

+          return;

+        }

+      } else {

+        browserHomepageUrl = Services.prefs.getComplexValue("browser.startup.homepage",

+                              Components.interfaces.nsIPrefLocalizedString).data;

+      }

+      let newtabUrlPref = Services.prefs.getCharPref("browser.newtab.url");

+      switch (newtabUrlChoice) {

+        case 1:

+          newtabUrlPref = "about:logopage";

+          break;

+        case 2:

+          newtabUrlPref = Services.prefs.getDefaultBranch("browser.")

+                            .getComplexValue("startup.homepage",

+                              Components.interfaces.nsIPrefLocalizedString).data;

+          break;

+        case 3:

+          // If url is a pipe-delimited set of pages, just take the first one.

+          let newtabUrlSanitizedPref=browserHomepageUrl.split("|")[0];

+          // XXX: do we need extra sanitation here, e.g. for invalid URLs?

+          Services.prefs.setCharPref("browser.newtab.myhome", newtabUrlSanitizedPref);

+          newtabUrlPref = newtabUrlSanitizedPref;

+          break;

+        case 4:

+          newtabUrlPref = "about:newtab";

+          break;

+        default:

+          // In case of any other value it's a custom URL, consider instantApply.

+          if (this.newtabPageCustom) {

+            newtabUrlPref = this.newtabPageCustom;

+          }

+      } 

+      Services.prefs.setCharPref("browser.newtab.url",newtabUrlPref);

+    } catch(e) { console.error(e); }

+  },

+

+  /**

+   * Determines the value of browser.newtab.choice based

+   * on the value of browser.newtab.url

+   *

+   * @returns the value of browser.newtab.choice

+   */

+  getNewtabChoice: function() {

+    let newtabUrlPref = Services.prefs.getCharPref("browser.newtab.url");

+    let browserHomepageUrl = Services.prefs.getComplexValue("browser.startup.homepage",

+                              Components.interfaces.nsIPrefLocalizedString).data;

+    let newtabUrlSanitizedPref = browserHomepageUrl.split("|")[0];

+    let defaultStartupHomepage = Services.prefs.getDefaultBranch("browser.")

+                                  .getComplexValue("startup.homepage",

+                                    Components.interfaces.nsIPrefLocalizedString).data;

+    switch (newtabUrlPref) {

+      case "about:logopage": 

+        return 1;

+      case defaultStartupHomepage:

+        return 2;

+      case newtabUrlSanitizedPref:

+        return 3;

+      case "about:newtab":

+        return 4;

+      default: // Custom URL entered.

+        // We need this to consider instantApply.

+        this.newtabPageCustom = newtabUrlPref;

+        return 0;

+    }

+  }

+};

diff --git a/application/palemoon/components/preferences/preferences.xul b/application/palemoon/components/preferences/preferences.xul
index 2f00b960a..a1d9c8cf7 100644
--- a/application/palemoon/components/preferences/preferences.xul
+++ b/application/palemoon/components/preferences/preferences.xul
@@ -56,10 +56,10 @@
 #endif
 #endif
             onunload="if (typeof gSecurityPane != 'undefined') gSecurityPane.syncAddonSecurityLevel();"
-            ondialogaccept="if (typeof gTabsPane != 'undefined') gTabsPane.writeNewtabUrl();
-                            return true;">
+            ondialogaccept="gNewtabUrl.writeNewtabUrl();">
 
     <script type="application/javascript" src="chrome://browser/content/utilityOverlay.js"/>
+    <script type="application/javascript" src="chrome://browser/content/preferences/newtaburl.js"/>
 
     <stringbundle id="bundleBrand" src="chrome://branding/locale/brand.properties"/>
     <stringbundle id="bundlePreferences"
diff --git a/application/palemoon/components/preferences/security.xul b/application/palemoon/components/preferences/security.xul
index d3d321b16..bc1625275 100644
--- a/application/palemoon/components/preferences/security.xul
+++ b/application/palemoon/components/preferences/security.xul
@@ -43,13 +43,22 @@
 
       <!-- Security Protocols -->
       
-      <preference id="network.stricttransportsecurity.preloadlist"
-                  name="network.stricttransportsecurity.preloadlist"
+      <preference id="network.stricttransportsecurity.enabled"
+                  name="network.stricttransportsecurity.enabled"
                   type="bool"/>
       <preference id="security.cert_pinning.enforcement_level"
                   name="security.cert_pinning.enforcement_level"
                   type="int"/>
       
+      <!-- Opportunistic Encryption -->
+                  
+      <preference id="network.http.upgrade-insecure-requests"
+                  name="network.http.upgrade-insecure-requests"
+                  type="bool"/>
+      <preference id="network.http.altsvc.oe"
+                  name="network.http.altsvc.oe"
+                  type="bool"/>
+      
       <!-- XSS Filter -->
       <!--
       <preference id="security.xssfilter.enable" name="security.xssfilter.enable" type="bool"/>
@@ -137,13 +146,23 @@
         <checkbox id="enableHSTS"
                   label="&enableHSTS.label;"
                   accesskey="&enableHSTS.accesskey;"
-                  preference="network.stricttransportsecurity.preloadlist" />
+                  preference="network.stricttransportsecurity.enabled" />
         <checkbox id="enableHPKP"
                   label="&enableHPKP.label;"
                   accesskey="&enableHPKP.accesskey;"
                   oncommand="gSecurityPane.updateHPKPPref();"/>
       </vbox>
     </groupbox>
+    
+    <groupbox id="OpportunisticEncryption">
+      <caption label="&OpEnc.label;"/>
+      <checkbox id="enableUIROpEnc"
+                label="&enableUIROpEnc.label;"
+                preference="network.http.upgrade-insecure-requests" />
+      <checkbox id="enableAltSvcOpEnc"
+                label="&enableAltSvcOpEnc.label;"
+                preference="network.http.altsvc.oe" />
+    </groupbox>    
 
     <!-- XSS Filter -->
     <!--
diff --git a/application/palemoon/components/preferences/tabs.js b/application/palemoon/components/preferences/tabs.js
index f0ad8490c..b09cb60df 100644
--- a/application/palemoon/components/preferences/tabs.js
+++ b/application/palemoon/components/preferences/tabs.js
@@ -78,80 +78,13 @@ var gTabsPane = {
   /**
    * Determines the value of the New Tab display drop-down based
    * on the value of browser.newtab.url.
-   *
-   * @returns the appropriate value of browser.newtab.choice
    */
   readNewtabUrl: function() {
-    let newtabUrlPref = document.getElementById("browser.newtab.url");
-    let newtabUrlSanitizedPref = document.getElementById("browser.newtab.myhome");
     let newtabUrlChoice = document.getElementById("browser.newtab.choice");
-    switch (newtabUrlPref.value) {
-      case "about:logopage": 
-        newtabUrlChoice.value = 1;
-        break;
-      case "http://start.palemoon.org/":
-        newtabUrlChoice.value = 2;
-        break;
-      case newtabUrlSanitizedPref.value:
-        newtabUrlChoice.value = 3;
-        break;
-      case "about:newtab":
-        newtabUrlChoice.value = 4;
-        break;
-      default: // Custom URL entered.
-        document.getElementById("newtabPageCustom").hidden = false;
-        newtabUrlChoice.value = 0;
-        // We need this to consider instantApply.
-        this.newtabPageCustom = newtabUrlPref.value;
+    newtabUrlChoice.value = gNewtabUrl.getNewtabChoice();
+    if (newtabUrlChoice.value == 0) {
+      document.getElementById("newtabPageCustom").hidden = false;
     }
-  },
-
-  /**
-   * Writes browser.newtab.url with the appropriate value.
-   * if the choice is "my home page", get and sanitize the browser home page
-   * URL to make it suitable for newtab use.
-   *
-   * Called from prefwindow's ondialogaccept handler and
-   * from browser.newtab.choice's oncommand to consider instantApply.
-   */
-  writeNewtabUrl: function(newtabUrlChoice) {
-    try {
-      if (newtabUrlChoice) {
-        if (Services.prefs.getBoolPref("browser.preferences.instantApply")) {
-          newtabUrlChoice = parseInt(newtabUrlChoice);
-        } else {
-          return;
-        }
-      } else {
-        newtabUrlChoice = Services.prefs.getIntPref("browser.newtab.choice");
-      }
-      let browserHomepageUrl = Services.prefs.getComplexValue("browser.startup.homepage",
-                                Components.interfaces.nsIPrefLocalizedString).data;
-      let newtabUrlPref = Services.prefs.getCharPref("browser.newtab.url");
-      switch (newtabUrlChoice) {
-        case 1:
-          newtabUrlPref = "about:logopage";
-          break;
-        case 2:
-          newtabUrlPref = "http://start.palemoon.org/";
-          break;
-        case 3:
-          // If url is a pipe-delimited set of pages, just take the first one.
-          let newtabUrlSanitizedPref=browserHomepageUrl.split("|")[0];
-          // XXX: do we need extra sanitation here, e.g. for invalid URLs?
-          Services.prefs.setCharPref("browser.newtab.myhome", newtabUrlSanitizedPref);
-          newtabUrlPref = newtabUrlSanitizedPref;
-          break;
-        case 4:
-          newtabUrlPref = "about:newtab";
-          break;
-        default:
-          // In case of any other value it's a custom URL, consider instantApply.
-          if (this.newtabPageCustom) {
-            newtabUrlPref = this.newtabPageCustom;
-          }
-      } 
-      Services.prefs.setCharPref("browser.newtab.url",newtabUrlPref);
-    } catch(e) { console.error(e); }
+    gNewtabUrl.newtabUrlChoiceIsSet = true;
   }
 };
diff --git a/application/palemoon/components/preferences/tabs.xul b/application/palemoon/components/preferences/tabs.xul
index f5b44b776..64529d60d 100644
--- a/application/palemoon/components/preferences/tabs.xul
+++ b/application/palemoon/components/preferences/tabs.xul
@@ -85,7 +85,7 @@
         <menulist 
           id="newtabPage"
           preference="browser.newtab.choice"
-          oncommand="gTabsPane.writeNewtabUrl(event.target.value);">
+          oncommand="gNewtabUrl.writeNewtabUrl(event.target.value);">
           <menupopup>
             <menuitem label="&newtabPage.custom.label;"    value="0" id="newtabPageCustom" hidden="true" />
             <menuitem label="&newtabPage.blank.label;"     value="1" />
diff --git a/application/palemoon/components/privatebrowsing/jar.mn b/application/palemoon/components/privatebrowsing/jar.mn
index a01b7f0d3..75e985c13 100644
--- a/application/palemoon/components/privatebrowsing/jar.mn
+++ b/application/palemoon/components/privatebrowsing/jar.mn
@@ -3,4 +3,4 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 browser.jar:
-*   content/browser/aboutPrivateBrowsing.xhtml            (content/aboutPrivateBrowsing.xhtml) 
+* content/browser/aboutPrivateBrowsing.xhtml      (content/aboutPrivateBrowsing.xhtml) 
diff --git a/application/palemoon/components/search/jar.mn b/application/palemoon/components/search/jar.mn
index 88a33a98c..e6c42f97d 100644
--- a/application/palemoon/components/search/jar.mn
+++ b/application/palemoon/components/search/jar.mn
@@ -3,7 +3,7 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 browser.jar:
-*       content/browser/search/search.xml                           (content/search.xml)
-        content/browser/search/searchbarBindings.css                (content/searchbarBindings.css)
-        content/browser/search/engineManager.xul                    (content/engineManager.xul)
-        content/browser/search/engineManager.js                     (content/engineManager.js)
+* content/browser/search/search.xml                 (content/search.xml)
+  content/browser/search/searchbarBindings.css      (content/searchbarBindings.css)
+  content/browser/search/engineManager.xul          (content/engineManager.xul)
+  content/browser/search/engineManager.js           (content/engineManager.js)
diff --git a/application/palemoon/components/search/moz.build b/application/palemoon/components/search/moz.build
index 35f6d454a..c97072bba 100644
--- a/application/palemoon/components/search/moz.build
+++ b/application/palemoon/components/search/moz.build
@@ -4,5 +4,4 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-
 JAR_MANIFESTS += ['jar.mn']
\ No newline at end of file
diff --git a/application/palemoon/components/sessionstore/SessionStore.jsm b/application/palemoon/components/sessionstore/SessionStore.jsm
index c5e55321c..e19a578f4 100644
--- a/application/palemoon/components/sessionstore/SessionStore.jsm
+++ b/application/palemoon/components/sessionstore/SessionStore.jsm
@@ -2739,7 +2739,9 @@ var SessionStoreInternal = {
     for (var t = 0; t < newTabCount; t++) {
       tabs.push(t < openTabCount ?
                 tabbrowser.tabs[t] :
-                tabbrowser.addTab("about:blank", {skipAnimation: true}));
+                tabbrowser.addTab("about:blank",
+                                  {skipAnimation: true,
+                                   skipBackgroundNotify: true}));
       // when resuming at startup: add additionally requested pages to the end
       if (!aOverwriteTabs && root._firstTabs) {
         tabbrowser.moveTabTo(tabs[t], t);
@@ -4684,7 +4686,8 @@ var TabAttributes = {
   // 'image' should not be accessed directly but handled by using the
   //         gBrowser.getIcon()/setIcon() methods.
   // 'pending' is used internal by sessionstore and managed accordingly.
-  _skipAttrs: new Set(["image", "pending"]),
+  // 'skipbackgroundnotify' is used internal by tabbrowser.xml.
+  _skipAttrs: new Set(["image", "pending", "skipbackgroundnotify"]),
 
   persist: function (name) {
     if (this._attrs.has(name) || this._skipAttrs.has(name)) {
diff --git a/application/palemoon/components/sessionstore/jar.mn b/application/palemoon/components/sessionstore/jar.mn
index 529692e7e..825b00fbb 100644
--- a/application/palemoon/components/sessionstore/jar.mn
+++ b/application/palemoon/components/sessionstore/jar.mn
@@ -3,6 +3,6 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 browser.jar:
-*   content/browser/aboutSessionRestore.xhtml             (content/aboutSessionRestore.xhtml)
-*   content/browser/aboutSessionRestore.js                (content/aboutSessionRestore.js)
-    content/browser/content-sessionStore.js               (content/content-sessionStore.js)
+* content/browser/aboutSessionRestore.xhtml             (content/aboutSessionRestore.xhtml)
+* content/browser/aboutSessionRestore.js                (content/aboutSessionRestore.js)
+  content/browser/content-sessionStore.js               (content/content-sessionStore.js)
diff --git a/application/palemoon/components/sessionstore/moz.build b/application/palemoon/components/sessionstore/moz.build
index 8b38aeba5..84278dafa 100644
--- a/application/palemoon/components/sessionstore/moz.build
+++ b/application/palemoon/components/sessionstore/moz.build
@@ -26,6 +26,4 @@ EXTRA_JS_MODULES.sessionstore = [
     'XPathGenerator.jsm',
 ]
 
-EXTRA_PP_JS_MODULES.sessionstore += [
-    'SessionStore.jsm',
-]
\ No newline at end of file
+EXTRA_PP_JS_MODULES.sessionstore += ['SessionStore.jsm']
\ No newline at end of file
diff --git a/application/palemoon/components/shell/jar.mn b/application/palemoon/components/shell/jar.mn
index 1f33b5d56..0864e1b30 100644
--- a/application/palemoon/components/shell/jar.mn
+++ b/application/palemoon/components/shell/jar.mn
@@ -3,5 +3,5 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 browser.jar:
-*       content/browser/setDesktopBackground.xul              (content/setDesktopBackground.xul)
-        content/browser/setDesktopBackground.js               (content/setDesktopBackground.js)
+* content/browser/setDesktopBackground.xul      (content/setDesktopBackground.xul)
+  content/browser/setDesktopBackground.js       (content/setDesktopBackground.js)
diff --git a/application/palemoon/components/shell/moz.build b/application/palemoon/components/shell/moz.build
index 94ec88571..16bffd7d9 100644
--- a/application/palemoon/components/shell/moz.build
+++ b/application/palemoon/components/shell/moz.build
@@ -6,37 +6,23 @@
 
 JAR_MANIFESTS += ['jar.mn']
 
-XPIDL_SOURCES += [
-    'nsIShellService.idl',
-]
+XPIDL_SOURCES += ['nsIShellService.idl']
 
 if CONFIG['OS_ARCH'] == 'WINNT':
-    XPIDL_SOURCES += [
-        'nsIWindowsShellService.idl',
-    ]
+    XPIDL_SOURCES += ['nsIWindowsShellService.idl']
 elif CONFIG['MOZ_WIDGET_TOOLKIT'] == 'cocoa':
-    XPIDL_SOURCES += [
-        'nsIMacShellService.idl',
-    ]
+    XPIDL_SOURCES += ['nsIMacShellService.idl']
 elif 'gtk' in CONFIG['MOZ_WIDGET_TOOLKIT']:
-    XPIDL_SOURCES += [
-        'nsIGNOMEShellService.idl',
-    ]
+    XPIDL_SOURCES += ['nsIGNOMEShellService.idl']
 
 XPIDL_MODULE = 'shellservice'
 
 if CONFIG['OS_ARCH'] == 'WINNT':
-    SOURCES += [
-        'nsWindowsShellService.cpp',
-    ]
+    SOURCES += ['nsWindowsShellService.cpp']
 elif CONFIG['MOZ_WIDGET_TOOLKIT'] == 'cocoa':
-    SOURCES += [
-        'nsMacShellService.cpp',
-    ]
+    SOURCES += ['nsMacShellService.cpp']
 elif 'gtk' in CONFIG['MOZ_WIDGET_TOOLKIT']:
-    SOURCES += [
-        'nsGNOMEShellService.cpp',
-    ]
+    SOURCES += ['nsGNOMEShellService.cpp']
 
 if SOURCES:
     FINAL_LIBRARY = 'browsercomps'
@@ -46,9 +32,7 @@ EXTRA_COMPONENTS += [
     'nsSetDefaultBrowser.manifest',
 ]
 
-EXTRA_JS_MODULES += [
-    'ShellService.jsm',
-]
+EXTRA_JS_MODULES += ['ShellService.jsm']
 
 for var in ('MOZ_APP_NAME', 'MOZ_APP_VERSION'):
     DEFINES[var] = '"%s"' % CONFIG[var]
diff --git a/application/palemoon/components/statusbar/Status.jsm b/application/palemoon/components/statusbar/Status.jsm
index d888c7d94..19e12ddfd 100644
--- a/application/palemoon/components/statusbar/Status.jsm
+++ b/application/palemoon/components/statusbar/Status.jsm
@@ -35,7 +35,7 @@ S4EStatusService.prototype =
   _defaultStatus:          { val: "", type: "" },
 
   _isFullScreen:           false,
-  _isFullScreenVideo:      false,
+  _isVideo:                false,
 
   _statusText:             { val: "", type: "" },
   _noUpdate:               false,
@@ -222,18 +222,10 @@ S4EStatusService.prototype =
     }
   },
 
-  updateFullScreen: function()
+  setFullScreenState: function(isFullScreen, isVideo)
   {
-    this._isFullScreen = this._window.fullScreen;
-    this._isFullScreenVideo = false;
-    if(this._isFullScreen)
-    {
-      let fsEl = this._window.content.document.mozFullScreenElement;
-      if(fsEl && (fsEl.nodeName == "VIDEO" || fsEl.getElementsByTagName("VIDEO").length > 0))
-      {
-        this._isFullScreenVideo = true;
-      }
-    }
+    this._isFullScreen = isFullScreen;
+    this._isVideo = isFullScreen && isVideo;
 
     this.clearStatusField();
     this.updateStatusField(true);
@@ -305,7 +297,7 @@ S4EStatusService.prototype =
 
     let label = null;
 
-    if(this._isFullScreen && this._service.advancedStatusDetectFullScreen)
+    if(this._isFullScreen)
     {
       switch(location)
       {
@@ -330,7 +322,7 @@ S4EStatusService.prototype =
         break;
       case 3: // Popup
       default:
-        if(this._isFullScreenVideo && this._service.advancedStatusDetectVideo)
+        if(this._isVideo)
         {
           return;
         }
diff --git a/application/palemoon/components/statusbar/Status4Evar.jsm b/application/palemoon/components/statusbar/Status4Evar.jsm
index 055306a88..6400f2e2a 100644
--- a/application/palemoon/components/statusbar/Status4Evar.jsm
+++ b/application/palemoon/components/statusbar/Status4Evar.jsm
@@ -31,7 +31,7 @@ function Status4Evar(window, gBrowser, toolbox)
   this.statusService = new S4EStatusService(this._window, s4e_service, this.getters);
   this.progressMeter = new S4EProgressService(gBrowser, s4e_service, this.getters, this.statusService);
   this.downloadStatus = new S4EDownloadService(this._window, gBrowser, s4e_service, this.getters);
-  this.sizeModeService = new SizeModeService(this._window, this);
+  this.sizeModeService = new SizeModeService(this._window, gBrowser, this);
 
   this._window.addEventListener("unload", this, false);
 }
@@ -232,20 +232,31 @@ S4EWindowGetters.prototype =
   }
 };
 
-function SizeModeService(window, s4e)
+function SizeModeService(window, gBrowser, s4e)
 {
   this._window = window;
+  this._gBrowser = gBrowser;
   this._s4e = s4e;
+  this._mm = this._window.messageManager;
 
   this.lastFullScreen = this._window.fullScreen;
   this.lastwindowState = this._window.windowState;
+
+  if(s4e_service.advancedStatusDetectFullScreen)
+  {
+    this._mm.addMessageListener("status4evar@caligonstudios.com:video-detect-answer", this)
+    this._mm.loadFrameScript("resource:///modules/statusbar/content-thunk.js", true);
+  }
+
   this._window.addEventListener("sizemodechange", this, false);
 }
 
 SizeModeService.prototype =
 {
   _window:         null,
+  _gBrowser:       null,
   _s4e:            null,
+  _mm:             null,
 
   lastFullScreen:  null,
   lastwindowState: null,
@@ -254,7 +265,13 @@ SizeModeService.prototype =
   {
     this._window.removeEventListener("sizemodechange", this, false);
 
-    ["_window", "_s4e"].forEach(function(prop)
+    if(s4e_service.advancedStatusDetectFullScreen)
+    {
+      this._mm.removeDelayedFrameScript("resource:///modules/statusbar/content-thunk.js");
+      this._mm.removeMessageListener("status4evar@caligonstudios.com:video-detect-answer", this);
+    }
+
+    ["_window", "_gBrowser", "_s4e", "_mm"].forEach(function(prop)
     {
       delete this[prop];
     }, this);
@@ -262,10 +279,18 @@ SizeModeService.prototype =
 
   handleEvent: function(e)
   {
-    if(this._window.fullScreen != this.lastFullScreen)
+    if(this._window.fullScreen != this.lastFullScreen && s4e_service.advancedStatusDetectFullScreen)
     {
       this.lastFullScreen = this._window.fullScreen;
-      this._s4e.statusService.updateFullScreen();
+
+      if(this.lastFullScreen && s4e_service.advancedStatusDetectVideo)
+      {
+        this._gBrowser.selectedBrowser.messageManager.sendAsyncMessage("status4evar@caligonstudios.com:video-detect");
+      }
+      else
+      {
+        this._s4e.statusService.setFullScreenState(this.lastFullScreen, false);
+      }
     }
 
     if(this._window.windowState != this.lastwindowState)
@@ -275,5 +300,13 @@ SizeModeService.prototype =
     }
   },
 
-  QueryInterface: XPCOMUtils.generateQI([ CI.nsIDOMEventListener ])
+  receiveMessage: function(message)
+  {
+    if(message.name == "status4evar@caligonstudios.com:video-detect-answer")
+    {
+      this._s4e.statusService.setFullScreenState(this.lastFullScreen, message.data.isVideo);
+    }
+  },
+
+  QueryInterface: XPCOMUtils.generateQI([ CI.nsIDOMEventListener, CI.nsIMessageListener ])
 };
diff --git a/application/palemoon/components/statusbar/content-thunk.js b/application/palemoon/components/statusbar/content-thunk.js
new file mode 100644
index 000000000..fe1fbabad
--- /dev/null
+++ b/application/palemoon/components/statusbar/content-thunk.js
@@ -0,0 +1,23 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+function handleVideoDetect(message)
+{
+  let isVideo = false;
+
+  let fsEl = content.document.mozFullScreenElement;
+  if(fsEl)
+  {
+    isVideo = (
+      fsEl.nodeName == "VIDEO"
+      || (fsEl.nodeName == "IFRAME" && fsEl.contentDocument && fsEl.contentDocument.getElementsByTagName("VIDEO").length > 0)
+      || fsEl.getElementsByTagName("VIDEO").length > 0
+    );
+  }
+
+  sendAsyncMessage("status4evar@caligonstudios.com:video-detect-answer", {isVideo: isVideo});
+}
+
+addMessageListener("status4evar@caligonstudios.com:video-detect", handleVideoDetect);
+
diff --git a/application/palemoon/components/statusbar/jar.mn b/application/palemoon/components/statusbar/jar.mn
index db7f278c7..b5a8d09b2 100644
--- a/application/palemoon/components/statusbar/jar.mn
+++ b/application/palemoon/components/statusbar/jar.mn
@@ -3,13 +3,13 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
 browser.jar:
-% overlay chrome://browser/content/browser.xul                  chrome://browser/content/statusbar/overlay.xul
-% style chrome://global/content/customizeToolbar.xul            chrome://browser/skin/statusbar/overlay.css
-        content/browser/statusbar/overlay.js                    (content/overlay.js)
-        content/browser/statusbar/prefs.js                      (content/prefs.js)
-        content/browser/statusbar/prefs.xml                     (content/prefs.xml)
-        content/browser/statusbar/tabbrowser.xml                (content/tabbrowser.xml)
-        content/browser/statusbar/overlay.xul                   (content/overlay.xul)
-        content/browser/statusbar/prefs.xul                     (content/prefs.xul)
-        content/browser/statusbar/overlay.css                   (content/overlay.css)
-        content/browser/statusbar/prefs.css                     (content/prefs.css)
\ No newline at end of file
+% overlay chrome://browser/content/browser.xul chrome://browser/content/statusbar/overlay.xul
+% style chrome://global/content/customizeToolbar.xul chrome://browser/skin/statusbar/overlay.css
+  content/browser/statusbar/overlay.js          (content/overlay.js)
+  content/browser/statusbar/prefs.js            (content/prefs.js)
+  content/browser/statusbar/prefs.xml           (content/prefs.xml)
+  content/browser/statusbar/tabbrowser.xml      (content/tabbrowser.xml)
+  content/browser/statusbar/overlay.xul         (content/overlay.xul)
+  content/browser/statusbar/prefs.xul           (content/prefs.xul)
+  content/browser/statusbar/overlay.css         (content/overlay.css)
+  content/browser/statusbar/prefs.css           (content/prefs.css)
\ No newline at end of file
diff --git a/application/palemoon/components/statusbar/moz.build b/application/palemoon/components/statusbar/moz.build
index ba8cfef86..0f7f597a5 100644
--- a/application/palemoon/components/statusbar/moz.build
+++ b/application/palemoon/components/statusbar/moz.build
@@ -16,6 +16,7 @@ EXTRA_COMPONENTS += [
 ]
 
 EXTRA_JS_MODULES.statusbar = [
+    'content-thunk.js',
     'Downloads.jsm',
     'Progress.jsm',
     'Status.jsm',
diff --git a/application/palemoon/base/content/sync/aboutSyncTabs-bindings.xml b/application/palemoon/components/sync/aboutSyncTabs-bindings.xml
index e6108209a..e6108209a 100644
--- a/application/palemoon/base/content/sync/aboutSyncTabs-bindings.xml
+++ b/application/palemoon/components/sync/aboutSyncTabs-bindings.xml
diff --git a/application/palemoon/base/content/sync/aboutSyncTabs.css b/application/palemoon/components/sync/aboutSyncTabs.css
index 5a353175b..5a353175b 100644
--- a/application/palemoon/base/content/sync/aboutSyncTabs.css
+++ b/application/palemoon/components/sync/aboutSyncTabs.css
diff --git a/application/palemoon/base/content/sync/aboutSyncTabs.js b/application/palemoon/components/sync/aboutSyncTabs.js
index 410494b5b..410494b5b 100644
--- a/application/palemoon/base/content/sync/aboutSyncTabs.js
+++ b/application/palemoon/components/sync/aboutSyncTabs.js
diff --git a/application/palemoon/base/content/sync/aboutSyncTabs.xul b/application/palemoon/components/sync/aboutSyncTabs.xul
index a4aa0032f..a4aa0032f 100644
--- a/application/palemoon/base/content/sync/aboutSyncTabs.xul
+++ b/application/palemoon/components/sync/aboutSyncTabs.xul
diff --git a/application/palemoon/base/content/sync/addDevice.js b/application/palemoon/components/sync/addDevice.js
index 0390d4397..0390d4397 100644
--- a/application/palemoon/base/content/sync/addDevice.js
+++ b/application/palemoon/components/sync/addDevice.js
diff --git a/application/palemoon/base/content/sync/addDevice.xul b/application/palemoon/components/sync/addDevice.xul
index f2371aad0..f2371aad0 100644
--- a/application/palemoon/base/content/sync/addDevice.xul
+++ b/application/palemoon/components/sync/addDevice.xul
diff --git a/application/palemoon/base/content/sync/genericChange.js b/application/palemoon/components/sync/genericChange.js
index df6639178..df6639178 100644
--- a/application/palemoon/base/content/sync/genericChange.js
+++ b/application/palemoon/components/sync/genericChange.js
diff --git a/application/palemoon/base/content/sync/genericChange.xul b/application/palemoon/components/sync/genericChange.xul
index 3c0b2cd6c..3c0b2cd6c 100644
--- a/application/palemoon/base/content/sync/genericChange.xul
+++ b/application/palemoon/components/sync/genericChange.xul
diff --git a/application/palemoon/components/sync/jar.mn b/application/palemoon/components/sync/jar.mn
new file mode 100644
index 000000000..3782038cd
--- /dev/null
+++ b/application/palemoon/components/sync/jar.mn
@@ -0,0 +1,22 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+browser.jar:
+  content/browser/sync/aboutSyncTabs.xul
+  content/browser/sync/aboutSyncTabs.js
+  content/browser/sync/aboutSyncTabs.css
+  content/browser/sync/aboutSyncTabs-bindings.xml
+  content/browser/sync/setup.xul
+  content/browser/sync/addDevice.js
+  content/browser/sync/addDevice.xul
+  content/browser/sync/setup.js
+  content/browser/sync/genericChange.xul
+  content/browser/sync/genericChange.js
+  content/browser/sync/key.xhtml
+  content/browser/sync/notification.xml
+  content/browser/sync/quota.xul
+  content/browser/sync/quota.js
+  content/browser/sync/utils.js
+  content/browser/sync/progress.js
+  content/browser/sync/progress.xhtml
\ No newline at end of file
diff --git a/application/palemoon/base/content/sync/key.xhtml b/application/palemoon/components/sync/key.xhtml
index 92abf0ee6..92abf0ee6 100644
--- a/application/palemoon/base/content/sync/key.xhtml
+++ b/application/palemoon/components/sync/key.xhtml
diff --git a/application/basilisk/components/webextensions/moz.build b/application/palemoon/components/sync/moz.build
index 116e90415..2d64d506c 100644
--- a/application/basilisk/components/webextensions/moz.build
+++ b/application/palemoon/components/sync/moz.build
@@ -1,4 +1,4 @@
-# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# -*- Mode: python; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 40 -*-
 # vim: set filetype=python:
 # This Source Code Form is subject to the terms of the Mozilla Public
 # License, v. 2.0. If a copy of the MPL was not distributed with this
@@ -6,9 +6,3 @@
 
 JAR_MANIFESTS += ['jar.mn']
 
-EXTRA_COMPONENTS += [
-    'extensions-browser.manifest',
-]
-
-DIRS += ['schemas']
-
diff --git a/application/palemoon/base/content/sync/notification.xml b/application/palemoon/components/sync/notification.xml
index 7a2b77382..8ac881e08 100644
--- a/application/palemoon/base/content/sync/notification.xml
+++ b/application/palemoon/components/sync/notification.xml
@@ -88,7 +88,7 @@
                            tooltiptext="&closeNotification.tooltip;"
                            oncommand="document.getBindingParent(this).close()"/>
         <xul:hbox anonid="details" align="center" flex="1">
-          <xul:image anonid="messageImage" class="messageImage" xbl:inherits="src=image"/>
+          <xul:image anonid="messageImage" class="messageImage" xbl:inherits="src=image,type"/>
           <xul:description anonid="messageText" class="messageText" xbl:inherits="xbl:text=label"/>
 
           <!-- The children are the buttons defined by the notification. -->
diff --git a/application/palemoon/base/content/sync/progress.js b/application/palemoon/components/sync/progress.js
index 101160fa8..101160fa8 100644
--- a/application/palemoon/base/content/sync/progress.js
+++ b/application/palemoon/components/sync/progress.js
diff --git a/application/palemoon/base/content/sync/progress.xhtml b/application/palemoon/components/sync/progress.xhtml
index d403cb20d..d403cb20d 100644
--- a/application/palemoon/base/content/sync/progress.xhtml
+++ b/application/palemoon/components/sync/progress.xhtml
diff --git a/application/palemoon/components/sync/quota.js b/application/palemoon/components/sync/quota.js
new file mode 100644
index 000000000..b416a44cc
--- /dev/null
+++ b/application/palemoon/components/sync/quota.js
@@ -0,0 +1,247 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+const Ci = Components.interfaces;
+const Cc = Components.classes;
+const Cr = Components.results;
+const Cu = Components.utils;
+
+Cu.import("resource://services-sync/main.js");
+Cu.import("resource://gre/modules/DownloadUtils.jsm");
+
+var gSyncQuota = {
+
+  init: function init() {
+    this.bundle = document.getElementById("quotaStrings");
+    let caption = document.getElementById("treeCaption");
+    caption.firstChild.nodeValue = this.bundle.getString("quota.treeCaption.label");
+
+    gUsageTreeView.init();
+    this.tree = document.getElementById("usageTree");
+    this.tree.view = gUsageTreeView;
+
+    this.loadData();
+  },
+
+  loadData: function loadData() {
+    this._usage_req = Weave.Service.getStorageInfo(Weave.INFO_COLLECTION_USAGE,
+                                                   function (error, usage) {
+      delete gSyncQuota._usage_req;
+      // displayUsageData handles null values, so no need to check 'error'.
+      gUsageTreeView.displayUsageData(usage);
+    });
+
+    let usageLabel = document.getElementById("usageLabel");
+    let bundle = this.bundle;
+
+    this._quota_req = Weave.Service.getStorageInfo(Weave.INFO_QUOTA,
+                                                   function (error, quota) {
+      delete gSyncQuota._quota_req;
+
+      if (error) {
+        usageLabel.value = bundle.getString("quota.usageError.label");
+        return;
+      }
+      let used = gSyncQuota.convertKB(quota[0]);
+      if (!quota[1]) {
+        // No quota on the server.
+        usageLabel.value = bundle.getFormattedString(
+          "quota.usageNoQuota.label", used);
+        return;
+      }
+      let percent = Math.round(100 * quota[0] / quota[1]);
+      let total = gSyncQuota.convertKB(quota[1]);
+      usageLabel.value = bundle.getFormattedString(
+        "quota.usagePercentage.label", [percent].concat(used).concat(total));
+    });
+  },
+
+  onCancel: function onCancel() {
+    if (this._usage_req) {
+      this._usage_req.abort();
+    }
+    if (this._quota_req) {
+      this._quota_req.abort();
+    }
+    return true;
+  },
+
+  onAccept: function onAccept() {
+    let engines = gUsageTreeView.getEnginesToDisable();
+    for each (let engine in engines) {
+      Weave.Service.engineManager.get(engine).enabled = false;
+    }
+    if (engines.length) {
+      // The 'Weave' object will disappear once the window closes.
+      let Service = Weave.Service;
+      Weave.Utils.nextTick(function() { Service.sync(); });
+    }
+    return this.onCancel();
+  },
+
+  convertKB: function convertKB(value) {
+    return DownloadUtils.convertByteUnits(value * 1024);
+  }
+
+};
+
+var gUsageTreeView = {
+
+  _ignored: {keys: true,
+             meta: true,
+             clients: true},
+
+  /*
+   * Internal data structures underlaying the tree.
+   */
+  _collections: [],
+  _byname: {},
+
+  init: function init() {
+    let retrievingLabel = gSyncQuota.bundle.getString("quota.retrieving.label");
+    for each (let engine in Weave.Service.engineManager.getEnabled()) {
+      if (this._ignored[engine.name])
+        continue;
+
+      // Some engines use the same pref, which means they can only be turned on
+      // and off together. We need to combine them here as well.
+      let existing = this._byname[engine.prefName];
+      if (existing) {
+        existing.engines.push(engine.name);
+        continue;
+      }
+
+      let obj = {name: engine.prefName,
+                 title: this._collectionTitle(engine),
+                 engines: [engine.name],
+                 enabled: true,
+                 sizeLabel: retrievingLabel};
+      this._collections.push(obj);
+      this._byname[engine.prefName] = obj;
+    }
+  },
+
+  _collectionTitle: function _collectionTitle(engine) {
+    try {
+      return gSyncQuota.bundle.getString(
+        "collection." + engine.prefName + ".label");
+    } catch (ex) {
+      return engine.Name;
+    }
+  },
+
+  /*
+   * Process the quota information as returned by info/collection_usage.
+   */
+  displayUsageData: function displayUsageData(data) {
+    for each (let coll in this._collections) {
+      coll.size = 0;
+      // If we couldn't retrieve any data, just blank out the label.
+      if (!data) {
+        coll.sizeLabel = "";
+        continue;
+      }
+
+      for each (let engineName in coll.engines)
+        coll.size += data[engineName] || 0;
+      let sizeLabel = "";
+      sizeLabel = gSyncQuota.bundle.getFormattedString(
+        "quota.sizeValueUnit.label", gSyncQuota.convertKB(coll.size));
+      coll.sizeLabel = sizeLabel;
+    }
+    let sizeColumn = this.treeBox.columns.getNamedColumn("size");
+    this.treeBox.invalidateColumn(sizeColumn);
+  },
+
+  /*
+   * Handle click events on the tree.
+   */
+  onTreeClick: function onTreeClick(event) {
+    if (event.button == 2)
+      return;
+
+    let cell = this.treeBox.getCellAt(event.clientX, event.clientY);
+    if (cell.col && cell.col.id == "enabled")
+      this.toggle(cell.row);
+  },
+
+  /*
+   * Toggle enabled state of an engine.
+   */
+  toggle: function toggle(row) {
+    // Update the tree
+    let collection = this._collections[row];
+    collection.enabled = !collection.enabled;
+    this.treeBox.invalidateRow(row);
+  },
+
+  /*
+   * Return a list of engines (or rather their pref names) that should be
+   * disabled.
+   */
+  getEnginesToDisable: function getEnginesToDisable() {
+    // Tycho: return [coll.name for each (coll in this._collections) if (!coll.enabled)];
+    let engines = [];
+    for each (let coll in this._collections) {
+      if (!coll.enabled) {
+        engines.push(coll.name);
+      }
+    }
+    return engines;
+  },
+
+  // nsITreeView
+
+  get rowCount() {
+    return this._collections.length;
+  },
+
+  getRowProperties: function(index) { return ""; },
+  getCellProperties: function(row, col) { return ""; },
+  getColumnProperties: function(col) { return ""; },
+  isContainer: function(index) { return false; },
+  isContainerOpen: function(index) { return false; },
+  isContainerEmpty: function(index) { return false; },
+  isSeparator: function(index) { return false; },
+  isSorted: function() { return false; },
+  canDrop: function(index, orientation, dataTransfer) { return false; },
+  drop: function(row, orientation, dataTransfer) {},
+  getParentIndex: function(rowIndex) {},
+  hasNextSibling: function(rowIndex, afterIndex) { return false; },
+  getLevel: function(index) { return 0; },
+  getImageSrc: function(row, col) {},
+
+  getCellValue: function(row, col) {
+    return this._collections[row].enabled;
+  },
+
+  getCellText: function getCellText(row, col) {
+    let collection = this._collections[row];
+    switch (col.id) {
+      case "collection":
+        return collection.title;
+      case "size":
+        return collection.sizeLabel;
+      default:
+        return "";
+    }
+  },
+
+  setTree: function setTree(tree) {
+    this.treeBox = tree;
+  },
+
+  toggleOpenState: function(index) {},
+  cycleHeader: function(col) {},
+  selectionChanged: function() {},
+  cycleCell: function(row, col) {},
+  isEditable: function(row, col) { return false; },
+  isSelectable: function (row, col) { return false; },
+  setCellValue: function(row, col, value) {},
+  setCellText: function(row, col, value) {},
+  performAction: function(action) {},
+  performActionOnRow: function(action, row) {},
+  performActionOnCell: function(action, row, col) {}
+
+};
diff --git a/application/palemoon/components/sync/quota.xul b/application/palemoon/components/sync/quota.xul
new file mode 100644
index 000000000..99e6ed78b
--- /dev/null
+++ b/application/palemoon/components/sync/quota.xul
@@ -0,0 +1,65 @@
+<?xml version="1.0"?>
+
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+
+<?xml-stylesheet href="chrome://global/skin/" type="text/css"?>
+<?xml-stylesheet href="chrome://browser/skin/syncQuota.css"?>
+
+<!DOCTYPE dialog [
+<!ENTITY % brandDTD SYSTEM "chrome://branding/locale/brand.dtd">
+<!ENTITY % syncBrandDTD SYSTEM "chrome://browser/locale/syncBrand.dtd">
+<!ENTITY % syncQuotaDTD SYSTEM "chrome://browser/locale/syncQuota.dtd">
+%brandDTD;
+%syncBrandDTD;
+%syncQuotaDTD;
+]>
+<dialog id="quotaDialog"
+        windowtype="Sync:ViewQuota"
+        persist="screenX screenY width height"
+        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
+        xmlns:html="http://www.w3.org/1999/xhtml"
+        onload="gSyncQuota.init()"
+        buttons="accept,cancel"
+        title="&quota.dialogTitle.label;"
+        ondialogcancel="return gSyncQuota.onCancel();"
+        ondialogaccept="return gSyncQuota.onAccept();">
+
+  <script type="application/javascript"
+          src="chrome://browser/content/sync/quota.js"/>
+
+  <stringbundleset id="stringbundleset">
+    <stringbundle id="quotaStrings"
+                  src="chrome://browser/locale/syncQuota.properties"/>
+  </stringbundleset>
+
+  <vbox flex="1">
+    <label id="usageLabel"
+           value="&quota.retrievingInfo.label;"/>
+    <separator/>
+    <tree id="usageTree"
+          seltype="single"
+          hidecolumnpicker="true"
+          onclick="gUsageTreeView.onTreeClick(event);"
+          flex="1">
+      <treecols>
+        <treecol id="enabled"
+                 type="checkbox"
+                 fixed="true"/>
+        <splitter class="tree-splitter"/>
+        <treecol id="collection"
+                 label="&quota.typeColumn.label;"
+                 flex="1"/>
+        <splitter class="tree-splitter"/>
+        <treecol id="size"
+                 label="&quota.sizeColumn.label;"
+                 flex="1"/>
+      </treecols>
+      <treechildren flex="1"/>
+    </tree>
+    <separator/>
+    <description id="treeCaption"> </description>
+  </vbox>
+
+</dialog>
diff --git a/application/palemoon/base/content/sync/setup.js b/application/palemoon/components/sync/setup.js
index e8d67a5f6..e8d67a5f6 100644
--- a/application/palemoon/base/content/sync/setup.js
+++ b/application/palemoon/components/sync/setup.js
diff --git a/application/palemoon/base/content/sync/setup.xul b/application/palemoon/components/sync/setup.xul
index cf2cc77e4..cf2cc77e4 100644
--- a/application/palemoon/base/content/sync/setup.xul
+++ b/application/palemoon/components/sync/setup.xul
diff --git a/application/palemoon/base/content/sync/utils.js b/application/palemoon/components/sync/utils.js
index d41ecf18a..d41ecf18a 100644
--- a/application/palemoon/base/content/sync/utils.js
+++ b/application/palemoon/components/sync/utils.js
diff --git a/application/palemoon/config/version.txt b/application/palemoon/config/version.txt
index 466c71dc8..dc6d77132 100644
--- a/application/palemoon/config/version.txt
+++ b/application/palemoon/config/version.txt
@@ -1 +1 @@
-28.1.0a1
\ No newline at end of file
+28.5.0a1
\ No newline at end of file
diff --git a/application/palemoon/configure.in b/application/palemoon/configure.in
index 0dbb0d8bc..96f63781e 100644
--- a/application/palemoon/configure.in
+++ b/application/palemoon/configure.in
@@ -27,3 +27,16 @@ if test -n "$MOZ_BROWSER_STATUSBAR"; then
 fi
 
 AC_SUBST(MOZ_BROWSER_STATUSBAR)
+
+dnl ========================================================
+dnl = Disable Sync
+dnl ========================================================
+MOZ_ARG_DISABLE_BOOL(sync,
+[  --disable-sync           Disable Sync],
+    MOZ_SERVICES_SYNC=,
+    MOZ_SERVICES_SYNC=1)
+
+if test -z "$MOZ_SERVICES_SYNC"; then
+    MOZ_SERVICES_CLOUDSYNC=
+fi
+
diff --git a/application/palemoon/confvars.sh b/application/palemoon/confvars.sh
index 830523778..6216cba5b 100644
--- a/application/palemoon/confvars.sh
+++ b/application/palemoon/confvars.sh
@@ -53,9 +53,9 @@ MOZ_PROFILE_MIGRATOR=
 # MAR_CHANNEL_ID must not contained the follow 3 characters: ",\t"
 # ACCEPTED_MAR_CHANNEL_IDS should usually be the same as MAR_CHANNEL_ID
 # If more than one ID is needed, then you should use a comma seperated list.
-MOZ_UPDATER=1
-MAR_CHANNEL_ID=palemoon-release
-ACCEPTED_MAR_CHANNEL_IDS=palemoon-release
+MOZ_UPDATER=
+MAR_CHANNEL_ID=unofficial
+ACCEPTED_MAR_CHANNEL_IDS=unofficial,unstable,release
 
 # Platform Feature: Developer Tools
 # XXX: Devtools are disabled until they can be made to work with Pale Moon
@@ -99,7 +99,6 @@ if test "$OS_ARCH" = "WINNT" -o \
 fi
 
 # Short-circuit a few services to be removed
-MOZ_MAINTENANCE_SERVICE=
 MOZ_SERVICES_HEALTHREPORT=
 MOZ_ADDON_SIGNING=0
 MOZ_REQUIRE_SIGNING=0
diff --git a/application/palemoon/fonts/moz.build b/application/palemoon/fonts/moz.build
index 02c027c46..8840a87f8 100644
--- a/application/palemoon/fonts/moz.build
+++ b/application/palemoon/fonts/moz.build
@@ -6,6 +6,4 @@
 
 if CONFIG['OS_ARCH'] in ('WINNT', 'Linux'):
     DIST_SUBDIR = ''
-    FINAL_TARGET_FILES.fonts += [
-        'TwemojiMozilla.ttf'
-    ]
+    FINAL_TARGET_FILES.fonts += ['TwemojiMozilla.ttf']
diff --git a/application/palemoon/installer/package-manifest.in b/application/palemoon/installer/package-manifest.in
index e63af4013..d8722bf08 100644
--- a/application/palemoon/installer/package-manifest.in
+++ b/application/palemoon/installer/package-manifest.in
@@ -59,8 +59,8 @@
 #ifdef XP_WIN32
 @BINPATH@/uninstall/helper.exe
 #endif
-#ifdef MOZ_UPDATER
 @RESPATH@/update.locale
+#ifdef MOZ_UPDATER
 @RESPATH@/updater.ini
 #endif
 
@@ -141,13 +141,6 @@
 @RESPATH@/run-mozilla.sh
 #endif
 #endif
-#ifdef XP_WIN
-#ifdef _AMD64_
-@BINPATH@/@DLL_PREFIX@qipcap64@DLL_SUFFIX@
-#else
-@BINPATH@/@DLL_PREFIX@qipcap@DLL_SUFFIX@
-#endif
-#endif
 
 ; [Components]
 @RESPATH@/components/*
@@ -248,8 +241,10 @@
 ; gre location for now.
 @RESPATH@/defaults/pref/channel-prefs.js
 
+#ifdef MOZ_SERVICES_SYNC
 ; Services (gre) prefs
 @RESPATH@/defaults/pref/services-sync.js
+#endif
 
 ; [Layout Engine Resources]
 ; Style Sheets, Graphics and other Resources used by the layout engine.
@@ -323,13 +318,6 @@
 @RESPATH@/chrome/pippki@JAREXT@
 @RESPATH@/chrome/pippki.manifest
 
-; for Solaris SPARC
-#ifdef SOLARIS
-bin/libfreebl_32fpu_3.so
-bin/libfreebl_32int_3.so
-bin/libfreebl_32int64_3.so
-#endif
-
 ; [Updater]
 ;
 #ifdef MOZ_UPDATER
diff --git a/application/palemoon/installer/windows/Makefile.in b/application/palemoon/installer/windows/Makefile.in
index 7ba70d912..d2be8aec2 100644
--- a/application/palemoon/installer/windows/Makefile.in
+++ b/application/palemoon/installer/windows/Makefile.in
@@ -14,12 +14,6 @@ INSTALLER_FILES = \
 	nsis/shared.nsh \
 	$(NULL)
 
-ifdef MOZ_MAINTENANCE_SERVICE
-INSTALLER_FILES += \
-	nsis/maintenanceservice_installer.nsi \
-	$(NULL)
-endif
-
 BRANDING_FILES = \
 	branding.nsi \
 	appname.bmp \
@@ -58,17 +52,6 @@ uninstaller::
 	  --preprocess-locale $(topsrcdir) \
 	  $(PPL_LOCALE_ARGS) $(AB_CD) $(CONFIG_DIR)
 
-# For building the maintenanceservice installer
-ifdef MOZ_MAINTENANCE_SERVICE
-maintenanceservice_installer::
-	$(INSTALL) $(addprefix $(srcdir)/,$(INSTALLER_FILES)) $(CONFIG_DIR)
-	$(call py_action,preprocessor,-Fsubstitution $(DEFINES) $(ACDEFINES) \
-	  $(srcdir)/nsis/defines.nsi.in -o $(CONFIG_DIR)/defines.nsi)
-	$(PYTHON) $(topsrcdir)/toolkit/mozapps/installer/windows/nsis/preprocess-locale.py \
-	  --preprocess-locale $(topsrcdir) \
-	  $(PPL_LOCALE_ARGS) $(AB_CD) $(CONFIG_DIR)
-endif
-
 $(CONFIG_DIR)/setup.exe::
 	$(RM) -r $(CONFIG_DIR)
 	$(MKDIR) $(CONFIG_DIR)
@@ -79,10 +62,6 @@ $(CONFIG_DIR)/setup.exe::
 	$(PYTHON) $(topsrcdir)/toolkit/mozapps/installer/windows/nsis/preprocess-locale.py \
 	  --preprocess-locale $(topsrcdir) \
 	  $(PPL_LOCALE_ARGS) $(AB_CD) $(CONFIG_DIR)
-	$(PYTHON) $(topsrcdir)/toolkit/mozapps/installer/windows/nsis/preprocess-locale.py \
-	  --preprocess-single-file $(topsrcdir) \
-	  $(PPL_LOCALE_ARGS) $(CONFIG_DIR) \
-	  nsisstrings.properties nsisstrings.nlf
 
 GARBARGE_DIRS += instgen
 
diff --git a/application/palemoon/installer/windows/nsis/defines.nsi.in b/application/palemoon/installer/windows/nsis/defines.nsi.in
index 97422c4f6..1764b10c4 100644
--- a/application/palemoon/installer/windows/nsis/defines.nsi.in
+++ b/application/palemoon/installer/windows/nsis/defines.nsi.in
@@ -3,23 +3,6 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-# Defining FunnelcakeVersion will append the value of StubURLVersionAppend to
-# StubURLVersion, append the value of URLManualDownloadAppend to
-# URLManualDownload, and append the value of URLStubDownloadAppend to
-# URLStubDownload. The value of FunnelcakeVersion should not be defined when it
-# is not used and when it is defined its value should never be empty.
-# !define FunnelcakeVersion        "999"
-
-!ifdef FunnelcakeVersion
-!define URLManualDownloadAppend  "&f=${FunnelcakeVersion}"
-!define URLStubDownloadAppend    "-f${FunnelcakeVersion}"
-!define StubURLVersionAppend     "-${FunnelcakeVersion}"
-!else
-!define URLManualDownloadAppend  ""
-!define URLStubDownloadAppend    ""
-!define StubURLVersionAppend     ""
-!endif
-
 # These defines should match application.ini settings
 !define AppName               "Pale Moon"
 !define AppVersion            "@APP_VERSION@"
@@ -68,10 +51,6 @@
 
 !define MinSupportedCPU "SSE2"
 
-#ifdef MOZ_MAINTENANCE_SERVICE
-!define MOZ_MAINTENANCE_SERVICE
-#endif
-
 # File details shared by both the installer and uninstaller
 VIProductVersion "1.0.0.0"
 VIAddVersionKey "ProductName"     "${BrandShortName}"
@@ -84,13 +63,3 @@ VIAddVersionKey "FileVersion"     "${AppVersion}"
 VIAddVersionKey "ProductVersion"  "${AppVersion}"
 # Comments is not used but left below commented out for future reference
 # VIAddVersionKey "Comments"        "Comments"
-
-# Control positions in Dialog Units so they are placed correctly with
-# non-default DPI settings
-!define OPTIONS_ITEM_EDGE_DU 90u
-!define OPTIONS_ITEM_WIDTH_DU 356u
-!define OPTIONS_SUBITEM_EDGE_DU 119u
-!define OPTIONS_SUBITEM_WIDTH_DU 327u
-!define INSTALL_BLURB_TOP_DU 78u
-!define APPNAME_BMP_EDGE_DU 19u
-!define APPNAME_BMP_TOP_DU 12u
diff --git a/application/palemoon/installer/windows/nsis/installer.nsi b/application/palemoon/installer/windows/nsis/installer.nsi
index 276b94f74..9216bb6e1 100644
--- a/application/palemoon/installer/windows/nsis/installer.nsi
+++ b/application/palemoon/installer/windows/nsis/installer.nsi
@@ -165,11 +165,6 @@ Page custom preOptions leaveOptions
 !define MUI_DIRECTORYPAGE_VERIFYONLEAVE
 !insertmacro MUI_PAGE_DIRECTORY
 
-; Custom Components Page
-!ifdef MOZ_MAINTENANCE_SERVICE
-Page custom preComponents leaveComponents
-!endif
-
 ; Custom Shortcuts Page
 Page custom preShortcuts leaveShortcuts
 
@@ -427,41 +422,6 @@ Section "-Application" APP_IDX
     ${EndIf}
   ${EndIf}
 
-!ifdef MOZ_MAINTENANCE_SERVICE
-  ; If the maintenance service page was displayed then a value was already 
-  ; explicitly selected for installing the maintenance service and 
-  ; and so InstallMaintenanceService will already be 0 or 1.
-  ; If the maintenance service page was not displayed then 
-  ; InstallMaintenanceService will be equal to "".
-  ${If} $InstallMaintenanceService == ""
-    Call IsUserAdmin
-    Pop $R0
-    ${If} $R0 == "true"
-    ; Only proceed if we have HKLM write access
-    ${AndIf} $TmpVal == "HKLM"
-      ; On Windows < XP SP3 we do not install the maintenance service.
-      ${If} ${IsWinXP}
-      ${AndIf} ${AtMostServicePack} 2
-        StrCpy $InstallMaintenanceService "0"
-      ${Else}
-        ; The user is an admin, so we should default to installing the service.
-        StrCpy $InstallMaintenanceService "1"
-      ${EndIf}
-    ${Else}
-      ; The user is not admin, so we can't install the service.
-      StrCpy $InstallMaintenanceService "0"
-    ${EndIf}
-  ${EndIf}
-
-  ${If} $InstallMaintenanceService == "1"
-    ; The user wants to install the maintenance service, so execute
-    ; the pre-packaged maintenance service installer. 
-    ; This option can only be turned on if the user is an admin so there
-    ; is no need to use ExecShell w/ verb runas to enforce elevated.
-    nsExec::Exec "$\"$INSTDIR\maintenanceservice_installer.exe$\""
-  ${EndIf}
-!endif
-
   ; These need special handling on uninstall since they may be overwritten by
   ; an install into a different location.
   StrCpy $0 "Software\Microsoft\Windows\CurrentVersion\App Paths\${FileMainEXE}"
@@ -578,13 +538,6 @@ Section "-Application" APP_IDX
       ${EndIf}
     ${EndUnless}
   ${EndIf}
-
-!ifdef MOZ_MAINTENANCE_SERVICE
-  ${If} $TmpVal == "HKLM"
-    ; Add the registry keys for allowed certificates.
-    ${AddMaintCertKeys}
-  ${EndIf}
-!endif
 SectionEnd
 
 ; Cleanup operations to perform at the end of the installation.
@@ -948,59 +901,6 @@ Function leaveShortcuts
   ${EndIf}
 FunctionEnd
 
-!ifdef MOZ_MAINTENANCE_SERVICE
-Function preComponents
-  ; If the service already exists, don't show this page
-  ServicesHelper::IsInstalled "MozillaMaintenance"
-  Pop $R9
-  ${If} $R9 == 1
-    ; The service already exists so don't show this page.
-    Abort
-  ${EndIf}
-
-  ; On Windows < XP SP3 we do not install the maintenance service.
-  ${If} ${IsWinXP}
-  ${AndIf} ${AtMostServicePack} 2
-    Abort
-  ${EndIf}
-
-  ; Don't show the custom components page if the
-  ; user is not an admin
-  Call IsUserAdmin
-  Pop $R9
-  ${If} $R9 != "true"
-    Abort
-  ${EndIf}
-
-  ; Only show the maintenance service page if we have write access to HKLM
-  ClearErrors
-  WriteRegStr HKLM "Software\Mozilla" \
-              "${BrandShortName}InstallerTest" "Write Test"
-  ${If} ${Errors}
-    ClearErrors
-    Abort
-  ${Else}
-    DeleteRegValue HKLM "Software\Mozilla" "${BrandShortName}InstallerTest"
-  ${EndIf}
-
-  StrCpy $PageName "Components"
-  ${CheckCustomCommon}
-  !insertmacro MUI_HEADER_TEXT "$(COMPONENTS_PAGE_TITLE)" "$(COMPONENTS_PAGE_SUBTITLE)"
-  !insertmacro MUI_INSTALLOPTIONS_DISPLAY "components.ini"
-FunctionEnd
-
-Function leaveComponents
-  ${MUI_INSTALLOPTIONS_READ} $0 "components.ini" "Settings" "State"
-  ${If} $0 != 0
-    Abort
-  ${EndIf}
-  ${MUI_INSTALLOPTIONS_READ} $InstallMaintenanceService "components.ini" "Field 2" "State"
-  ${If} $InstallType == ${INSTALLTYPE_CUSTOM}
-    Call CheckExistingInstall
-  ${EndIf}
-FunctionEnd
-!endif
-
 Function preSummary
   StrCpy $PageName "Summary"
   ; Setup the summary.ini file for the Custom Summary Page
@@ -1180,7 +1080,6 @@ Function .onInit
 
   !insertmacro InitInstallOptionsFile "options.ini"
   !insertmacro InitInstallOptionsFile "shortcuts.ini"
-  !insertmacro InitInstallOptionsFile "components.ini"
   !insertmacro InitInstallOptionsFile "summary.ini"
 
   WriteINIStr "$PLUGINSDIR\options.ini" "Settings" NumFields "5"
@@ -1255,36 +1154,6 @@ Function .onInit
   WriteINIStr "$PLUGINSDIR\shortcuts.ini" "Field 3" Bottom "50"
   WriteINIStr "$PLUGINSDIR\shortcuts.ini" "Field 3" State  "1"
 
-  ; Don't offer to install the quick launch shortcut on Windows 7
-  ${Unless} ${AtLeastWin7}
-    WriteINIStr "$PLUGINSDIR\shortcuts.ini" "Field 4" Type   "checkbox"
-    WriteINIStr "$PLUGINSDIR\shortcuts.ini" "Field 4" Text   "$(ICONS_QUICKLAUNCH)"
-    WriteINIStr "$PLUGINSDIR\shortcuts.ini" "Field 4" Left   "0"
-    WriteINIStr "$PLUGINSDIR\shortcuts.ini" "Field 4" Right  "-1"
-    WriteINIStr "$PLUGINSDIR\shortcuts.ini" "Field 4" Top    "60"
-    WriteINIStr "$PLUGINSDIR\shortcuts.ini" "Field 4" Bottom "70"
-    WriteINIStr "$PLUGINSDIR\shortcuts.ini" "Field 4" State  "1"
-  ${EndUnless}
-
-  ; Setup the components.ini file for the Components Page
-  WriteINIStr "$PLUGINSDIR\components.ini" "Settings" NumFields "2"
-
-  WriteINIStr "$PLUGINSDIR\components.ini" "Field 1" Type   "label"
-  WriteINIStr "$PLUGINSDIR\components.ini" "Field 1" Text   "$(OPTIONAL_COMPONENTS_DESC)"
-  WriteINIStr "$PLUGINSDIR\components.ini" "Field 1" Left   "0"
-  WriteINIStr "$PLUGINSDIR\components.ini" "Field 1" Right  "-1"
-  WriteINIStr "$PLUGINSDIR\components.ini" "Field 1" Top    "5"
-  WriteINIStr "$PLUGINSDIR\components.ini" "Field 1" Bottom "25"
-
-  WriteINIStr "$PLUGINSDIR\components.ini" "Field 2" Type   "checkbox"
-  WriteINIStr "$PLUGINSDIR\components.ini" "Field 2" Text   "$(MAINTENANCE_SERVICE_CHECKBOX_DESC)"
-  WriteINIStr "$PLUGINSDIR\components.ini" "Field 2" Left   "0"
-  WriteINIStr "$PLUGINSDIR\components.ini" "Field 2" Right  "-1"
-  WriteINIStr "$PLUGINSDIR\components.ini" "Field 2" Top    "27"
-  WriteINIStr "$PLUGINSDIR\components.ini" "Field 2" Bottom "37"
-  WriteINIStr "$PLUGINSDIR\components.ini" "Field 2" State  "1"
-  WriteINIStr "$PLUGINSDIR\components.ini" "Field 2" Flags  "GROUP"
-
   ; There must always be a core directory.
   ${GetSize} "$EXEDIR\core\" "/S=0K" $R5 $R7 $R8
   SectionSetSize ${APP_IDX} $R5
diff --git a/application/palemoon/installer/windows/nsis/maintenanceservice_installer.nsi b/application/palemoon/installer/windows/nsis/maintenanceservice_installer.nsi
deleted file mode 100644
index 1f73bac6a..000000000
--- a/application/palemoon/installer/windows/nsis/maintenanceservice_installer.nsi
+++ /dev/null
@@ -1,332 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-; Set verbosity to 3 (e.g. no script) to lessen the noise in the build logs
-!verbose 3
-
-; 7-Zip provides better compression than the lzma from NSIS so we add the files
-; uncompressed and use 7-Zip to create a SFX archive of it
-SetDatablockOptimize on
-SetCompress off
-CRCCheck on
-
-RequestExecutionLevel admin
-
-; The commands inside this ifdef require NSIS 3.0a2 or greater so the ifdef can
-; be removed after we require NSIS 3.0a2 or greater.
-!ifdef NSIS_PACKEDVERSION
-  Unicode true
-  ManifestSupportedOS all
-  ManifestDPIAware true
-!endif
-
-!addplugindir ./
-
-; Variables
-Var TempMaintServiceName
-Var BrandFullNameDA
-Var BrandFullName
-
-; Other included files may depend upon these includes!
-; The following includes are provided by NSIS.
-!include FileFunc.nsh
-!include LogicLib.nsh
-!include MUI.nsh
-!include WinMessages.nsh
-!include WinVer.nsh
-!include WordFunc.nsh
-
-!insertmacro GetOptions
-!insertmacro GetParameters
-!insertmacro GetSize
-
-; The test slaves use this fallback key to run tests.
-; And anyone that wants to run tests themselves should already have 
-; this installed.
-!define FallbackKey \
-  "SOFTWARE\Mozilla\MaintenanceService\3932ecacee736d366d6436db0f55bce4"
-
-!define CompanyName "Mozilla Corporation"
-!define BrandFullNameInternal ""
-
-; The following includes are custom.
-!include defines.nsi
-; We keep defines.nsi defined so that we get other things like 
-; the version number, but we redefine BrandFullName
-!define MaintFullName "Mozilla Maintenance Service"
-!undef BrandFullName
-!define BrandFullName "${MaintFullName}"
-
-!include common.nsh
-!include locales.nsi
-
-VIAddVersionKey "FileDescription" "${MaintFullName} Installer"
-VIAddVersionKey "OriginalFilename" "maintenanceservice_installer.exe"
-
-Name "${MaintFullName}"
-OutFile "maintenanceservice_installer.exe"
-
-; Get installation folder from registry if available
-InstallDirRegKey HKLM "Software\Mozilla\MaintenanceService" ""
-
-SetOverwrite on
-
-; serviceinstall.cpp also uses this key, in case the path is changed, update
-; there too.
-!define MaintUninstallKey \
- "Software\Microsoft\Windows\CurrentVersion\Uninstall\MozillaMaintenanceService"
-
-; Always install into the 32-bit location even if we have a 64-bit build.
-; This is because we use only 1 service for all Basilisk channels.
-; Allow either x86 and x64 builds to exist at this location, depending on
-; what is the latest build.
-InstallDir "$PROGRAMFILES32\${MaintFullName}\"
-ShowUnInstDetails nevershow
-
-################################################################################
-# Modern User Interface - MUI
-
-!define MUI_ICON setup.ico
-!define MUI_UNICON setup.ico
-!define MUI_WELCOMEPAGE_TITLE_3LINES
-!define MUI_UNWELCOMEFINISHPAGE_BITMAP wizWatermark.bmp
-
-;Interface Settings
-!define MUI_ABORTWARNING
-
-; Uninstaller Pages
-!insertmacro MUI_UNPAGE_CONFIRM
-!insertmacro MUI_UNPAGE_INSTFILES
-
-################################################################################
-# Language
-
-!insertmacro MOZ_MUI_LANGUAGE 'baseLocale'
-!verbose push
-!verbose 3
-!include "overrideLocale.nsh"
-!include "customLocale.nsh"
-!verbose pop
-
-; Set this after the locale files to override it if it is in the locale
-; using " " for BrandingText will hide the "Nullsoft Install System..." branding
-BrandingText " "
-
-Function .onInit
-  ; Remove the current exe directory from the search order.
-  ; This only effects LoadLibrary calls and not implicitly loaded DLLs.
-  System::Call 'kernel32::SetDllDirectoryW(w "")'
-
-  SetSilent silent
-
-  ${Unless} ${AtLeastWin7}
-    Abort
-  ${EndUnless}
-FunctionEnd
-
-Function un.onInit
-  ; Remove the current exe directory from the search order.
-  ; This only effects LoadLibrary calls and not implicitly loaded DLLs.
-  System::Call 'kernel32::SetDllDirectoryW(w "")'
-
-; The commands inside this ifndef are needed prior to NSIS 3.0a2 and can be
-; removed after we require NSIS 3.0a2 or greater.
-!ifndef NSIS_PACKEDVERSION
-  ${If} ${AtLeastWinVista}
-    System::Call 'user32::SetProcessDPIAware()'
-  ${EndIf}
-!endif
-
-  StrCpy $BrandFullNameDA "${MaintFullName}"
-  StrCpy $BrandFullName "${MaintFullName}"
-FunctionEnd
-
-Section "MaintenanceService"
-  AllowSkipFiles off
-
-  CreateDirectory $INSTDIR
-  SetOutPath $INSTDIR
-
-  ; If the service already exists, then it will be stopped when upgrading it
-  ; via the maintenanceservice_tmp.exe command executed below.
-  ; The maintenanceservice_tmp.exe command will rename the file to
-  ; maintenanceservice.exe if maintenanceservice_tmp.exe is newer.
-  ; If the service does not exist yet, we install it and drop the file on
-  ; disk as maintenanceservice.exe directly.
-  StrCpy $TempMaintServiceName "maintenanceservice.exe"
-  IfFileExists "$INSTDIR\maintenanceservice.exe" 0 skipAlreadyExists
-    StrCpy $TempMaintServiceName "maintenanceservice_tmp.exe"
-  skipAlreadyExists:
-
-  ; We always write out a copy and then decide whether to install it or 
-  ; not via calling its 'install' cmdline which works by version comparison.
-  CopyFiles "$EXEDIR\maintenanceservice.exe" "$INSTDIR\$TempMaintServiceName"
-
-  ; The updater.ini file is only used when performing an install or upgrade,
-  ; and only if that install or upgrade is successful.  If an old updater.ini
-  ; happened to be copied into the maintenance service installation directory
-  ; but the service was not newer, the updater.ini file would be unused.
-  ; It is used to fill the description of the service on success.
-  CopyFiles "$EXEDIR\updater.ini" "$INSTDIR\updater.ini"
-
-  ; Install the application maintenance service.
-  ; If a service already exists, the command line parameter will stop the
-  ; service and only install itself if it is newer than the already installed
-  ; service.  If successful it will remove the old maintenanceservice.exe
-  ; and replace it with maintenanceservice_tmp.exe.
-  ClearErrors
-  ${GetParameters} $0
-  ${GetOptions} "$0" "/Upgrade" $0
-  ${If} ${Errors}
-    ExecWait '"$INSTDIR\$TempMaintServiceName" install'
-  ${Else}
-    ; The upgrade cmdline is the same as install except
-    ; It will fail if the service isn't already installed.
-    ExecWait '"$INSTDIR\$TempMaintServiceName" upgrade'
-  ${EndIf}
-
-  WriteUninstaller "$INSTDIR\Uninstall.exe"
-  WriteRegStr HKLM "${MaintUninstallKey}" "DisplayName" "${MaintFullName}"
-  WriteRegStr HKLM "${MaintUninstallKey}" "UninstallString" \
-                   '"$INSTDIR\uninstall.exe"'
-  WriteRegStr HKLM "${MaintUninstallKey}" "DisplayIcon" \
-                   "$INSTDIR\Uninstall.exe,0"
-  WriteRegStr HKLM "${MaintUninstallKey}" "DisplayVersion" "${AppVersion}"
-  WriteRegStr HKLM "${MaintUninstallKey}" "Publisher" "Mozilla"
-  WriteRegStr HKLM "${MaintUninstallKey}" "Comments" "${BrandFullName}"
-  WriteRegDWORD HKLM "${MaintUninstallKey}" "NoModify" 1
-  ${GetSize} "$INSTDIR" "/S=0K" $R2 $R3 $R4
-  WriteRegDWORD HKLM "${MaintUninstallKey}" "EstimatedSize" $R2
-
-  ; Write out that a maintenance service was attempted.
-  ; We do this because on upgrades we will check this value and we only
-  ; want to install once on the first upgrade to maintenance service.
-  ; Also write out that we are currently installed, preferences will check
-  ; this value to determine if we should show the service update pref.
-  ; Since the Maintenance service can be installed either x86 or x64,
-  ; always use the 64-bit registry for checking if an attempt was made.
-  ${If} ${RunningX64}
-    SetRegView 64
-  ${EndIf}
-  WriteRegDWORD HKLM "Software\Mozilla\MaintenanceService" "Attempted" 1
-  WriteRegDWORD HKLM "Software\Mozilla\MaintenanceService" "Installed" 1
-  DeleteRegValue HKLM "Software\Mozilla\MaintenanceService" "FFPrefetchDisabled"
-
-  ; Included here for debug purposes only.  
-  ; These keys are used to bypass the installation dir is a valid installation
-  ; check from the service so that tests can be run.
-  ; WriteRegStr HKLM "${FallbackKey}\0" "name" "Mozilla Corporation"
-  ; WriteRegStr HKLM "${FallbackKey}\0" "issuer" "DigiCert SHA2 Assured ID Code Signing CA"
-  ${If} ${RunningX64}
-    SetRegView lastused
-  ${EndIf}
-SectionEnd
-
-; By renaming before deleting we improve things slightly in case
-; there is a file in use error. In this case a new install can happen.
-Function un.RenameDelete
-  Pop $9
-  ; If the .moz-delete file already exists previously, delete it
-  ; If it doesn't exist, the call is ignored.
-  ; We don't need to pass /REBOOTOK here since it was already marked that way
-  ; if it exists.
-  Delete "$9.moz-delete"
-  Rename "$9" "$9.moz-delete"
-  ${If} ${Errors}
-    Delete /REBOOTOK "$9"
-  ${Else} 
-    Delete /REBOOTOK "$9.moz-delete"
-  ${EndIf}
-  ClearErrors
-FunctionEnd
-
-Section "Uninstall"
-  ; Delete the service so that no updates will be attempted
-  ExecWait '"$INSTDIR\maintenanceservice.exe" uninstall'
-
-  Push "$INSTDIR\updater.ini"
-  Call un.RenameDelete
-  Push "$INSTDIR\maintenanceservice.exe"
-  Call un.RenameDelete
-  Push "$INSTDIR\maintenanceservice_tmp.exe"
-  Call un.RenameDelete
-  Push "$INSTDIR\maintenanceservice.old"
-  Call un.RenameDelete
-  Push "$INSTDIR\Uninstall.exe"
-  Call un.RenameDelete
-  Push "$INSTDIR\update\updater.ini"
-  Call un.RenameDelete
-  Push "$INSTDIR\update\updater.exe"
-  Call un.RenameDelete
-  Push "$INSTDIR\logs\maintenanceservice.log"
-  Call un.RenameDelete
-  Push "$INSTDIR\logs\maintenanceservice-1.log"
-  Call un.RenameDelete
-  Push "$INSTDIR\logs\maintenanceservice-2.log"
-  Call un.RenameDelete
-  Push "$INSTDIR\logs\maintenanceservice-3.log"
-  Call un.RenameDelete
-  Push "$INSTDIR\logs\maintenanceservice-4.log"
-  Call un.RenameDelete
-  Push "$INSTDIR\logs\maintenanceservice-5.log"
-  Call un.RenameDelete
-  Push "$INSTDIR\logs\maintenanceservice-6.log"
-  Call un.RenameDelete
-  Push "$INSTDIR\logs\maintenanceservice-7.log"
-  Call un.RenameDelete
-  Push "$INSTDIR\logs\maintenanceservice-8.log"
-  Call un.RenameDelete
-  Push "$INSTDIR\logs\maintenanceservice-9.log"
-  Call un.RenameDelete
-  Push "$INSTDIR\logs\maintenanceservice-10.log"
-  Call un.RenameDelete
-  Push "$INSTDIR\logs\maintenanceservice-install.log"
-  Call un.RenameDelete
-  Push "$INSTDIR\logs\maintenanceservice-uninstall.log"
-  Call un.RenameDelete
-  SetShellVarContext all
-  Push "$APPDATA\Mozilla\logs\maintenanceservice.log"
-  Call un.RenameDelete
-  Push "$APPDATA\Mozilla\logs\maintenanceservice-1.log"
-  Call un.RenameDelete
-  Push "$APPDATA\Mozilla\logs\maintenanceservice-2.log"
-  Call un.RenameDelete
-  Push "$APPDATA\Mozilla\logs\maintenanceservice-3.log"
-  Call un.RenameDelete
-  Push "$APPDATA\Mozilla\logs\maintenanceservice-4.log"
-  Call un.RenameDelete
-  Push "$APPDATA\Mozilla\logs\maintenanceservice-5.log"
-  Call un.RenameDelete
-  Push "$APPDATA\Mozilla\logs\maintenanceservice-6.log"
-  Call un.RenameDelete
-  Push "$APPDATA\Mozilla\logs\maintenanceservice-7.log"
-  Call un.RenameDelete
-  Push "$APPDATA\Mozilla\logs\maintenanceservice-8.log"
-  Call un.RenameDelete
-  Push "$APPDATA\Mozilla\logs\maintenanceservice-9.log"
-  Call un.RenameDelete
-  Push "$APPDATA\Mozilla\logs\maintenanceservice-10.log"
-  Call un.RenameDelete
-  Push "$APPDATA\Mozilla\logs\maintenanceservice-install.log"
-  Call un.RenameDelete
-  Push "$APPDATA\Mozilla\logs\maintenanceservice-uninstall.log"
-  Call un.RenameDelete
-  RMDir /REBOOTOK "$APPDATA\Mozilla\logs"
-  RMDir /REBOOTOK "$APPDATA\Mozilla"
-  RMDir /REBOOTOK "$INSTDIR\logs"
-  RMDir /REBOOTOK "$INSTDIR\update"
-  RMDir /REBOOTOK "$INSTDIR"
-
-  DeleteRegKey HKLM "${MaintUninstallKey}"
-
-  ${If} ${RunningX64}
-    SetRegView 64
-  ${EndIf}
-  DeleteRegValue HKLM "Software\Mozilla\MaintenanceService" "Installed"
-  DeleteRegValue HKLM "Software\Mozilla\MaintenanceService" "FFPrefetchDisabled"
-  DeleteRegKey HKLM "${FallbackKey}\"
-  ${If} ${RunningX64}
-    SetRegView lastused
-  ${EndIf}
-SectionEnd
diff --git a/application/palemoon/installer/windows/nsis/shared.nsh b/application/palemoon/installer/windows/nsis/shared.nsh
index 294e3e6fc..815853ae7 100644
--- a/application/palemoon/installer/windows/nsis/shared.nsh
+++ b/application/palemoon/installer/windows/nsis/shared.nsh
@@ -124,51 +124,6 @@
   ${FixDistributionsINI}
 
   RmDir /r /REBOOTOK "$INSTDIR\${TO_BE_DELETED}"
-
-!ifdef MOZ_MAINTENANCE_SERVICE
-  Call IsUserAdmin
-  Pop $R0
-  ${If} $R0 == "true"
-  ; Only proceed if we have HKLM write access
-  ${AndIf} $TmpVal == "HKLM"
-  ; On Windows 2000 we do not install the maintenance service.
-  ${AndIf} ${AtLeastWinXP}
-    ; We check to see if the maintenance service install was already attempted.
-    ; Since the Maintenance service can be installed either x86 or x64,
-    ; always use the 64-bit registry for checking if an attempt was made.
-    ${If} ${RunningX64}
-      SetRegView 64
-    ${EndIf}
-    ReadRegDWORD $5 HKLM "Software\Mozilla\MaintenanceService" "Attempted"
-    ClearErrors
-    ${If} ${RunningX64}
-      SetRegView lastused
-    ${EndIf}
-
-    ; Add the registry keys for allowed certificates.
-    ${AddMaintCertKeys}
-
-    ; If the maintenance service is already installed, do nothing.
-    ; The maintenance service will launch:
-    ; maintenanceservice_installer.exe /Upgrade to upgrade the maintenance
-    ; service if necessary.   If the update was done from updater.exe without
-    ; the service (i.e. service is failing), updater.exe will do the update of
-    ; the service.  The reasons we do not do it here is because we don't want
-    ; to have to prompt for limited user accounts when the service isn't used
-    ; and we currently call the PostUpdate twice, once for the user and once
-    ; for the SYSTEM account.  Also, this would stop the maintenance service
-    ; and we need a return result back to the service when run that way.
-    ${If} $5 == ""
-      ; An install of maintenance service was never attempted.
-      ; We know we are an Admin and that we have write access into HKLM
-      ; based on the above checks, so attempt to just run the EXE.
-      ; In the worst case, in case there is some edge case with the
-      ; IsAdmin check and the permissions check, the maintenance service
-      ; will just fail to be attempted to be installed.
-      nsExec::Exec "$\"$INSTDIR\maintenanceservice_installer.exe$\""
-    ${EndIf}
-  ${EndIf}
-!endif
 !macroend
 !define PostUpdate "!insertmacro PostUpdate"
 
@@ -718,54 +673,6 @@
 !macroend
 !define UpdateProtocolHandlers "!insertmacro UpdateProtocolHandlers"
 
-!ifdef MOZ_MAINTENANCE_SERVICE
-; Adds maintenance service certificate keys for the install dir.
-; For the cert to work, it must also be signed by a trusted cert for the user.
-!macro AddMaintCertKeys
-  Push $R0
-  ; Allow main Mozilla cert information for updates
-  ; This call will push the needed key on the stack
-  ServicesHelper::PathToUniqueRegistryPath "$INSTDIR"
-  Pop $R0
-  ${If} $R0 != ""
-    ; More than one certificate can be specified in a different subfolder
-    ; for example: $R0\1, but each individual binary can be signed
-    ; with at most one certificate.  A fallback certificate can only be used
-    ; if the binary is replaced with a different certificate.
-    ; We always use the 64bit registry for certs.
-    ${If} ${RunningX64}
-      SetRegView 64
-    ${EndIf}
-
-    ; PrefetchProcessName was originally used to experiment with deleting
-    ; Windows prefetch as a speed optimization.  It is no longer used though.
-    DeleteRegValue HKLM "$R0" "prefetchProcessName"
-
-    ; Setting the Attempted value will ensure that a new Maintenance Service
-    ; install will never be attempted again after this from updates.  The value
-    ; is used only to see if updates should attempt new service installs.
-    WriteRegDWORD HKLM "Software\Mozilla\MaintenanceService" "Attempted" 1
-
-    ; These values associate the allowed certificates for the current
-    ; installation.
-    WriteRegStr HKLM "$R0\0" "name" "${CERTIFICATE_NAME}"
-    WriteRegStr HKLM "$R0\0" "issuer" "${CERTIFICATE_ISSUER}"
-    ; These values associate the allowed certificates for the previous
-    ;  installation, so that we can update from it cleanly using the
-    ;  old updater.exe (which will still have this signature).
-    WriteRegStr HKLM "$R0\1" "name" "${CERTIFICATE_NAME_PREVIOUS}"
-    WriteRegStr HKLM "$R0\1" "issuer" "${CERTIFICATE_ISSUER_PREVIOUS}"
-    ${If} ${RunningX64}
-      SetRegView lastused
-    ${EndIf}
-    ClearErrors
-  ${EndIf}
-  ; Restore the previously used value back
-  Pop $R0
-!macroend
-!define AddMaintCertKeys "!insertmacro AddMaintCertKeys"
-!endif
-
 ; Removes various registry entries for reasons noted below (does not use SHCTX).
 !macro RemoveDeprecatedKeys
   StrCpy $0 "SOFTWARE\Classes"
diff --git a/application/palemoon/installer/windows/nsis/uninstaller.nsi b/application/palemoon/installer/windows/nsis/uninstaller.nsi
index 333fd33d6..c85af3656 100644
--- a/application/palemoon/installer/windows/nsis/uninstaller.nsi
+++ b/application/palemoon/installer/windows/nsis/uninstaller.nsi
@@ -450,24 +450,6 @@ Section "Uninstall"
   ; uninstalls of PaleMoon-release with reinstalls of PaleMoon-release, for example.
   WriteRegStr HKCU "Software\Mozilla\PaleMoon" "Uninstalled-${UpdateChannel}" "True"
 
-!ifdef MOZ_MAINTENANCE_SERVICE
-  ; Get the path the allowed cert is at and remove it
-  ; Keep this block of code last since it modfies the reg view
-  ServicesHelper::PathToUniqueRegistryPath "$INSTDIR"
-  Pop $MaintCertKey
-  ${If} $MaintCertKey != ""
-    ; Always use the 64bit registry for certs on 64bit systems.
-    ${If} ${RunningX64}
-      SetRegView 64
-    ${EndIf}
-    DeleteRegKey HKLM "$MaintCertKey"
-    ${If} ${RunningX64}
-      SetRegView lastused
-    ${EndIf}
-  ${EndIf}
-  Call un.UninstallServiceIfNotUsed
-!endif
-
   ${un.IsFirewallSvcRunning}
   Pop $0
   ${If} "$0" == "true"
diff --git a/application/palemoon/locales/Makefile.in b/application/palemoon/locales/Makefile.in
index c81329a9a..38a867658 100644
--- a/application/palemoon/locales/Makefile.in
+++ b/application/palemoon/locales/Makefile.in
@@ -121,7 +121,9 @@ searchplugins: $(addprefix $(FINAL_TARGET)/searchplugins/,$(SEARCHPLUGINS))
 libs-%:
 	$(NSINSTALL) -D $(DIST)/install
 	@$(MAKE) -C ../../../toolkit/locales libs-$*
+ifdef MOZ_SERVICES_SYNC
 	@$(MAKE) -C ../../../services/sync/locales AB_CD=$* XPI_NAME=locale-$*
+endif
 	@$(MAKE) -C ../../../extensions/spellcheck/locales AB_CD=$* XPI_NAME=locale-$*
 	@$(MAKE) -C ../../../intl/locales AB_CD=$* XPI_NAME=locale-$*
 ifdef MOZ_DEVTOOLS
diff --git a/application/palemoon/locales/en-US/chrome/browser/aboutHome.dtd b/application/palemoon/locales/en-US/chrome/browser/aboutHome.dtd
index 03ffe629d..d3bd85fc8 100644
--- a/application/palemoon/locales/en-US/chrome/browser/aboutHome.dtd
+++ b/application/palemoon/locales/en-US/chrome/browser/aboutHome.dtd
@@ -4,8 +4,10 @@
 
 <!ENTITY % brandDTD SYSTEM "chrome://branding/locale/brand.dtd">
 %brandDTD;
+#ifdef MOZ_SERVICES_SYNC
 <!ENTITY % syncBrandDTD SYSTEM "chrome://browser/locale/syncBrand.dtd">
 %syncBrandDTD;
+#endif
 
 <!-- These strings are used in the about:home page -->
 
@@ -19,4 +21,6 @@
 <!ENTITY abouthome.addonsButton.label    "Add-ons">
 <!ENTITY abouthome.appsButton.label      "Marketplace">
 <!ENTITY abouthome.downloadsButton.label "Downloads">
+#ifdef MOZ_SERVICES_SYNC
 <!ENTITY abouthome.syncButton.label      "&syncBrand.shortName.label;">
+#endif
\ No newline at end of file
diff --git a/application/palemoon/locales/en-US/chrome/browser/aboutRobots.dtd b/application/palemoon/locales/en-US/chrome/browser/aboutRobots.dtd
deleted file mode 100644
index 139603d8d..000000000
--- a/application/palemoon/locales/en-US/chrome/browser/aboutRobots.dtd
+++ /dev/null
@@ -1,29 +0,0 @@
-<!-- This Source Code Form is subject to the terms of the Mozilla Public
-   - License, v. 2.0. If a copy of the MPL was not distributed with this
-   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
-
-<!-- These strings are used in the about:robots page, which ties in with the
-     robots theme used in the Firefox 3 Beta 2/3 first run pages.
-     They're just meant to be fun and whimsical, with references to some geeky
-     but well-known robots in movies and books. Be creative with translations! -->
-
-<!-- Nonsense line from the movie "The Day The Earth Stood Still". No translation needed. -->
-<!ENTITY robots.pagetitle  "Gort! Klaatu barada nikto!">
-<!-- Movie: Logan's Run... Box (cybog): "Welcome Humans! I am ready for you." -->
-<!ENTITY robots.errorTitleText "Welcome Humans!">
-<!-- Movie: The Day The Earth Stood Still. Spoken by Klaatu. -->
-<!ENTITY robots.errorShortDescText "We have come to visit you in peace and with goodwill!">
-<!-- Various books by Isaac Asimov. http://en.wikipedia.org/wiki/Three_Laws_of_Robotics -->
-<!ENTITY robots.errorLongDesc1 "Robots may not injure a human being or, through inaction, allow a human being to come to harm.">
-<!-- Movie: Blade Runner. Batty: "I've seen things you people wouldn't believe..." -->
-<!ENTITY robots.errorLongDesc2 "Robots have seen things you people wouldn't believe.">
-<!-- Book: Hitchhiker's Guide To The Galaxy. What the Sirius Cybernetics Corporation calls robots. -->
-<!ENTITY robots.errorLongDesc3 "Robots are Your Plastic Pal Who's Fun To Be With.">
-<!-- TV: Futurama. Bender's first line is "Bite my shiny metal ass." -->
-<!ENTITY robots.errorLongDesc4 "Robots have shiny metal posteriors which should not be bitten.">
-<!-- TV: Battlestar Galactica (2004 series). From the opening text. -->
-<!ENTITY robots.errorTrailerDescText "And they have a plan.">
-<!-- TV: Battlestar Galactica (2004 series). Common expletive referring to Cylons. -->
-<!ENTITY robots.imgtitle "Frakkin' Toasters">
-<!-- Book: Hitchhiker's Guide To The Galaxy. Arthur presses a button and it warns him. -->
-<!ENTITY robots.dontpress "Please do not press this button again.">
diff --git a/application/palemoon/locales/en-US/chrome/browser/baseMenuOverlay.dtd b/application/palemoon/locales/en-US/chrome/browser/baseMenuOverlay.dtd
index a926b0ed2..27de3797f 100644
--- a/application/palemoon/locales/en-US/chrome/browser/baseMenuOverlay.dtd
+++ b/application/palemoon/locales/en-US/chrome/browser/baseMenuOverlay.dtd
@@ -14,6 +14,7 @@
                        for the help button in the menubar but Gnome does not.   -->
 <!ENTITY helpMenuWin.label        "Help"> 
 <!ENTITY helpMenuWin.accesskey    "H">
+<!ENTITY updateCmd.label          "Check for Updates…">
 <!ENTITY aboutProduct.label       "About &brandShortName;">
 <!ENTITY aboutProduct.accesskey   "A">
 <!ENTITY productHelp.label        "&brandShortName; Help">
diff --git a/application/palemoon/locales/en-US/chrome/browser/browser.dtd b/application/palemoon/locales/en-US/chrome/browser/browser.dtd
index 2d80c8078..c810b074e 100644
--- a/application/palemoon/locales/en-US/chrome/browser/browser.dtd
+++ b/application/palemoon/locales/en-US/chrome/browser/browser.dtd
@@ -417,8 +417,8 @@ items are mutually exclusive. -->
 <!ENTITY mediaMute.accesskey         "M">
 <!ENTITY mediaUnmute.label           "Unmute">
 <!ENTITY mediaUnmute.accesskey       "m">
-<!ENTITY mediaPlaybackRate.label     "Play Speed">
-<!ENTITY mediaPlaybackRate.accesskey "l">
+<!ENTITY mediaPlaybackRate2.label     "Play Speed">
+<!ENTITY mediaPlaybackRate2.accesskey "d">
 <!ENTITY mediaPlaybackRate050x.label "Slow Motion (0.5×)">
 <!ENTITY mediaPlaybackRate050x.accesskey "S">
 <!ENTITY mediaPlaybackRate100x.label "Normal Speed">
@@ -430,6 +430,8 @@ movie "Space Balls" and is meant to say that this speed is very
 fast. -->
 <!ENTITY mediaPlaybackRate200x.label "Ludicrous Speed (2×)">
 <!ENTITY mediaPlaybackRate200x.accesskey "L">
+<!ENTITY mediaLoop.label             "Loop">
+<!ENTITY mediaLoop.accesskey         "L">
 <!-- LOCALIZATION NOTE: The access keys for "Show Controls" and
 "Hide Controls" are the same because the two context-menu
 items are mutually exclusive. -->
@@ -507,6 +509,8 @@ you can use these alternative items. Otherwise, their values should be empty.  -
 <!ENTITY closeCmd.key                   "W">  
 <!ENTITY closeCmd.accesskey             "C">
 
+<!ENTITY toggleMuteCmd.key              "M">
+
 <!ENTITY pageStyleMenu.label "Page Style">
 <!ENTITY pageStyleMenu.accesskey "y">
 <!ENTITY pageStyleNoStyle.label "No Style">
@@ -565,6 +569,7 @@ just addresses the organization to follow, e.g. "This site is run by " -->
      The word "toolbar" is appended automatically and should not be contained below! -->
 <!ENTITY tabsToolbar.label "Browser tabs">
 
+#ifdef MOZ_SERVICES_SYNC
 <!-- LOCALIZATION NOTE (syncTabsMenu2.label): This appears in the history menu -->
 <!ENTITY syncTabsMenu2.label     "Tabs From Other Devices">
 
@@ -575,6 +580,7 @@ just addresses the organization to follow, e.g. "This site is run by " -->
 <!ENTITY syncSyncNowItem.label        "Sync Now">
 <!ENTITY syncSyncNowItem.accesskey    "S">
 <!ENTITY syncToolbarButton.label      "Sync">
+#endif
 
 <!ENTITY addonBarCloseButton.tooltip  "Close Add-on Bar">
 <!ENTITY toggleAddonBarCmd.key        "/">
diff --git a/application/palemoon/locales/en-US/chrome/browser/browser.properties b/application/palemoon/locales/en-US/chrome/browser/browser.properties
index 9969bd753..4c45e2513 100644
--- a/application/palemoon/locales/en-US/chrome/browser/browser.properties
+++ b/application/palemoon/locales/en-US/chrome/browser/browser.properties
@@ -201,6 +201,22 @@ update.openUpdateUI.upgradeButton.accesskey=U
 update.restart.upgradeButton.label=Upgrade Now
 update.restart.upgradeButton.accesskey=U
 
+# Check for Updates in the Help Menu
+# LOCALIZATION NOTE (updatesItem_*): these are alternative labels for Check for Update item in Help menu.
+# Which one is used depends on Update process state.
+updatesItem_default=Check for Updates…
+updatesItem_defaultFallback=Check for Updates…
+updatesItem_default.accesskey=C
+updatesItem_downloading=Downloading %S…
+updatesItem_downloadingFallback=Downloading Update…
+updatesItem_downloading.accesskey=D
+updatesItem_resume=Resume Downloading %S…
+updatesItem_resumeFallback=Resume Downloading Update…
+updatesItem_resume.accesskey=D
+updatesItem_pending=Apply Downloaded Update Now…
+updatesItem_pendingFallback=Apply Downloaded Update Now…
+updatesItem_pending.accesskey=D
+
 # RSS Pretty Print
 feedShowFeedNew=Subscribe to '%S'…
 
@@ -397,3 +413,8 @@ slowStartup.helpButton.label = Learn How to Speed It Up
 slowStartup.helpButton.accesskey = L
 slowStartup.disableNotificationButton.label = Don't Tell Me Again
 slowStartup.disableNotificationButton.accesskey = A
+
+muteTab.label = Mute Tab
+muteTab.accesskey = M
+unmuteTab.label = Unmute Tab
+unmuteTab.accesskey = M
\ No newline at end of file
diff --git a/application/palemoon/locales/en-US/chrome/browser/downloads/downloads.properties b/application/palemoon/locales/en-US/chrome/browser/downloads/downloads.properties
index 2a5b77633..44d9ec90e 100644
--- a/application/palemoon/locales/en-US/chrome/browser/downloads/downloads.properties
+++ b/application/palemoon/locales/en-US/chrome/browser/downloads/downloads.properties
@@ -67,6 +67,9 @@ shortTimeLeftDays=%1$Sd
 statusSeparator=%1$S \u2014 %2$S
 statusSeparatorBeforeNumber=%1$S \u2014  %2$S
 
+fileExecutableSecurityWarning="%S" is an executable file. Executable files may contain viruses or other malicious code that could harm your computer. Use caution when opening this file. Are you sure you want to launch "%S"?
+fileExecutableSecurityWarningTitle=Open Executable File?
+
 # LOCALIZATION NOTE (otherDownloads2):
 # This is displayed in an item at the bottom of the Downloads Panel when
 # there are more downloads than can fit in the list in the panel. Use a
diff --git a/application/palemoon/locales/en-US/chrome/browser/palemoon.dtd b/application/palemoon/locales/en-US/chrome/browser/palemoon.dtd
index 038d8eb75..4b4fac9ff 100644
--- a/application/palemoon/locales/en-US/chrome/browser/palemoon.dtd
+++ b/application/palemoon/locales/en-US/chrome/browser/palemoon.dtd
@@ -2,13 +2,14 @@
    - License, v. 2.0. If a copy of the MPL was not distributed with this
    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
 
-<!ENTITY chronicles.title.55.2
-'The Chronicles of the Pale Moon, 55:2'>
+<!ENTITY chronicles.title.66.1
+'The Chronicles of the Pale Moon, 66:1'>
 
-<!ENTITY chronicles.quote.55.2
-'And so, our focus was drawn through time and space to the <em>emerging dragon</em> who would not abandon hope.<br/>
-Its resilience, stubbornness and spirit unbroken, and searching for long hours to find those willing to <em>join</em> its cause.<br/>
-The old nest abandoned, the death throes of the Beast ignored, and more determined than ever to find glory in the future.'>
+<!ENTITY chronicles.quote.66.1
+'The <em>landscape changed</em> as time went on: flowing, twisting, corrupting. The dull sheen of <em>tainted metal</em> shining through everywhere.<br/>
+In the trees, roots, animals, and even the <em>mountainous valleys</em> that had always been an <em>oasis of difference</em>.<br/>
+Still, our dragon continued, untainted and resolute, soaring above.<br/>
+There would be a home yet, <em>a sanctuary</em>, a place for all those not given in to this <em>singular</em> invading force that was <em>misshaping</em> the world.'>
 
-<!ENTITY chronicles.from.55.2
-'from <strong>The Chronicles of the Pale Moon,</strong> 55:2'>
+<!ENTITY chronicles.from.66.1
+'from <strong>The Chronicles of the Pale Moon,</strong> 66:1'>
diff --git a/application/palemoon/locales/en-US/chrome/browser/permissions/aboutPermissions.dtd b/application/palemoon/locales/en-US/chrome/browser/permissions/aboutPermissions.dtd
index 2030d4f59..5b220a7f0 100644
--- a/application/palemoon/locales/en-US/chrome/browser/permissions/aboutPermissions.dtd
+++ b/application/palemoon/locales/en-US/chrome/browser/permissions/aboutPermissions.dtd
@@ -32,7 +32,7 @@
 
 <!ENTITY image.label                     "Load Images">
 
-<!ENTITY cookie.label                    "Set Cookies">
+<!ENTITY cookie.label                    "Store Cookies and Site Data">
 <!ENTITY cookie.remove                   "Remove Cookies">
 <!ENTITY cookie.manage                   "Manage Cookies…">
 <!ENTITY cookie.removeAll                "Remove All Cookies">
diff --git a/application/palemoon/locales/en-US/chrome/browser/preferences/advanced.dtd b/application/palemoon/locales/en-US/chrome/browser/preferences/advanced.dtd
index 6ef29c680..dcb7b0e90 100644
--- a/application/palemoon/locales/en-US/chrome/browser/preferences/advanced.dtd
+++ b/application/palemoon/locales/en-US/chrome/browser/preferences/advanced.dtd
@@ -33,6 +33,15 @@
 <!ENTITY setDefault.accesskey            "d">
 <!ENTITY isDefault.label                 "&brandShortName; is currently your default browser">
 
+<!ENTITY UACompatGroup.label             "Compatibility">
+<!ENTITY UACompat.label                  "User Agent Mode:">
+<!ENTITY UACompat.Native                 "Native">
+<!ENTITY UACompat.Gecko                  "Gecko Compatibility">
+<!ENTITY UACompat.Firefox                "Firefox Compatibility">
+
+<!ENTITY captivePortalGroup.label        "Captive portals">
+<!ENTITY captivePortalDetect.label       "Detect restricted network access">
+
 <!ENTITY dataChoicesTab.label            "Data Choices">
 
 <!ENTITY crashReporterSection.label      "Crash Reporter">
@@ -126,12 +135,6 @@
 <!ENTITY viewSecurityDevices.label       "Security Devices">
 <!ENTITY viewSecurityDevices.accesskey   "y">
 
-<!ENTITY UACompatGroup.label    "Compatibility">
-<!ENTITY UACompat.label         "User Agent Mode:">
-<!ENTITY UACompat.Native        "Native">
-<!ENTITY UACompat.Gecko         "Gecko Compatibility">
-<!ENTITY UACompat.Firefox       "Firefox Compatibility">
-
 <!ENTITY scrollparamTab.label               "Scrolling">
 <!ENTITY smoothscroll.explain.label         "The parameters below only have an effect if smooth scrolling is enabled overall with the checkbox above.">
 <!ENTITY smoothscroll.to                    "to">
diff --git a/application/palemoon/locales/en-US/chrome/browser/preferences/preferences.properties b/application/palemoon/locales/en-US/chrome/browser/preferences/preferences.properties
index b262eebf5..34f167586 100644
--- a/application/palemoon/locales/en-US/chrome/browser/preferences/preferences.properties
+++ b/application/palemoon/locales/en-US/chrome/browser/preferences/preferences.properties
@@ -8,8 +8,8 @@ labelDefaultFont=Default (%S)
 
 #### Permissions Manager
 
-cookiepermissionstext=You can specify which websites are always or never allowed to use cookies. Type the exact address of the site you want to manage and then click Block, Allow for Session, or Allow.
-cookiepermissionstitle=Exceptions - Cookies
+cookiepermissionstext=You can specify which websites are always or never allowed to use cookies or store site data. Type the exact address of the site you want to manage and then click Block, Allow for Session, or Allow.
+cookiepermissionstitle=Exceptions - Cookies and Site Data
 addonspermissionstext=You can specify which websites are allowed to install add-ons. Type the exact address of the site you want to allow and then click Allow.
 addons_permissions_title=Allowed Sites - Add-ons Installation
 popuppermissionstext=You can specify which websites are allowed to open pop-up windows. Type the exact address of the site you want to allow and then click Allow.
diff --git a/application/palemoon/locales/en-US/chrome/browser/preferences/privacy.dtd b/application/palemoon/locales/en-US/chrome/browser/preferences/privacy.dtd
index ef3303b94..37f8b78c0 100644
--- a/application/palemoon/locales/en-US/chrome/browser/preferences/privacy.dtd
+++ b/application/palemoon/locales/en-US/chrome/browser/preferences/privacy.dtd
@@ -20,10 +20,10 @@
 <!ENTITY  locbar.openpage.label         "Open tabs">
 <!ENTITY  locbar.openpage.accesskey     "O">
 
-<!ENTITY  acceptCookies.label           "Accept cookies from sites">
+<!ENTITY  acceptCookies.label           "Allow sites to store cookies and data">
 <!ENTITY  acceptCookies.accesskey       "A">
 
-<!ENTITY  acceptThirdParty.pre.label      "Accept third-party cookies:">
+<!ENTITY  acceptThirdParty.pre.label      "Accept third-party cookies and site data:">
 <!ENTITY  acceptThirdParty.pre.accesskey  "c">
 <!ENTITY  acceptThirdParty.always.label   "Always">
 <!ENTITY  acceptThirdParty.never.label    "Never">
@@ -48,7 +48,7 @@
 <!ENTITY  historyHeader.custom.label       "Use custom settings for history">
 <!ENTITY  historyHeader.post.label         "">
 
-<!ENTITY  rememberDescription.label      "&brandShortName; will remember your browsing, download, form and search history, and keep cookies from websites you visit.">
+<!ENTITY  rememberDescription.label      "&brandShortName; will remember your browsing, download, form and search history, and keep cookies and site data from websites you visit.">
 
 <!-- LOCALIZATION NOTE (rememberActions.pre.label): include a trailing space as needed -->
 <!-- LOCALIZATION NOTE (rememberActions.middle.label): include a starting and trailing space as needed -->
diff --git a/application/palemoon/locales/en-US/chrome/browser/preferences/security.dtd b/application/palemoon/locales/en-US/chrome/browser/preferences/security.dtd
index 2bd3b3aec..930736d56 100644
--- a/application/palemoon/locales/en-US/chrome/browser/preferences/security.dtd
+++ b/application/palemoon/locales/en-US/chrome/browser/preferences/security.dtd
@@ -40,6 +40,10 @@
 <!ENTITY  enableHPKP.label           "Enable Certificate Key Pinning (HPKP)">
 <!ENTITY  enableHPKP.accesskey       "C">
 
+<!ENTITY  OpEnc.label                "Opportunistic Encryption (OE)">
+<!ENTITY  enableUIROpEnc.label       "Enable Upgrade Insecure Requests">
+<!ENTITY  enableAltSvcOpEnc.label    "Enable HTTP Alternative Services for OE">
+
 <!ENTITY  XSSFilt.label              "XSS Filter">
 <!ENTITY  enableXSSFilt.label        "Enable XSS filter">
 <!ENTITY  enableXSSFilt.accesskey    "f">
diff --git a/application/palemoon/locales/en-US/chrome/browser/tabbrowser.properties b/application/palemoon/locales/en-US/chrome/browser/tabbrowser.properties
index 0d21d4d14..a4a0be0a0 100644
--- a/application/palemoon/locales/en-US/chrome/browser/tabbrowser.properties
+++ b/application/palemoon/locales/en-US/chrome/browser/tabbrowser.properties
@@ -24,3 +24,7 @@ tabs.closeWarningTitle=Confirm close
 tabs.closeWarningMultipleTabs=You are about to close %S tabs. Are you sure you want to continue?
 tabs.closeButtonMultiple=Close tabs
 tabs.closeWarningPromptMe=Warn me when I attempt to close multiple tabs
+
+tabs.muteAudio.tooltip=Mute tab
+tabs.unmuteAudio.tooltip=Unmute tab
+tabs.unblockAudio.tooltip=Play tab
diff --git a/application/palemoon/locales/en-US/installer/custom.properties b/application/palemoon/locales/en-US/installer/custom.properties
index ef29b1e7e..8f95a194b 100644
--- a/application/palemoon/locales/en-US/installer/custom.properties
+++ b/application/palemoon/locales/en-US/installer/custom.properties
@@ -46,7 +46,9 @@ WARN_MANUALLY_CLOSE_APP_UNINSTALL=$BrandShortName must be closed to proceed with
 WARN_MANUALLY_CLOSE_APP_LAUNCH=$BrandShortName is already running.\n\nPlease close $BrandShortName prior to launching the version you have just installed.
 WARN_WRITE_ACCESS=You don't have access to write to the installation directory.\n\nClick OK to select a different directory.
 WARN_DISK_SPACE=You don't have sufficient disk space to install to this location.\n\nClick OK to select a different location.
-WARN_MIN_SUPPORTED_OS_MSG=Sorry, $BrandShortName can't be installed. This version of $BrandShortName requires ${MinSupportedVer} or newer.
+WARN_MIN_SUPPORTED_OSVER_MSG=Sorry, $BrandShortName can't be installed. This version of $BrandShortName requires ${MinSupportedVer} or newer.
+WARN_MIN_SUPPORTED_CPU_MSG=Sorry, $BrandShortName can't be installed. This version of $BrandShortName requires a processor with ${MinSupportedCPU} support.
+WARN_MIN_SUPPORTED_OSVER_CPU_MSG=Sorry, $BrandShortName can't be installed. This version of $BrandShortName requires ${MinSupportedVer} or newer and a processor with ${MinSupportedCPU} support.
 WARN_RESTART_REQUIRED_UNINSTALL=Your computer must be restarted to complete a previous uninstall of $BrandShortName. Do you want to reboot now?
 WARN_RESTART_REQUIRED_UPGRADE=Your computer must be restarted to complete a previous upgrade of $BrandShortName. Do you want to reboot now?
 ERROR_CREATE_DIRECTORY_PREFIX=Error creating directory:
diff --git a/application/palemoon/locales/en-US/installer/nsisstrings.properties b/application/palemoon/locales/en-US/installer/nsisstrings.properties
deleted file mode 100644
index 0144c2a98..000000000
--- a/application/palemoon/locales/en-US/installer/nsisstrings.properties
+++ /dev/null
@@ -1,64 +0,0 @@
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-# LOCALIZATION NOTE:
-
-# This file must be saved as UTF8
-
-# Accesskeys are defined by prefixing the letter that is to be used for the
-# accesskey with an ampersand (e.g. &).
-
-# Do not replace $BrandShortName, $BrandFullName, or $BrandFullNameDA with a
-# custom string and always use the same one as used by the en-US files.
-# $BrandFullNameDA allows the string to contain an ampersand (e.g. DA stands
-# for double ampersand) and prevents the letter following the ampersand from
-# being used as an accesskey.
-
-# You can use \n to create a newline in the string but only when the string
-# from en-US contains a \n.
-
-WIN_CAPTION=$BrandShortName Setup
-
-INTRO_BLURB1=Thanks for choosing $BrandFullName, the browser that chooses you above everything else.
-INSTALL_BLURB1=You're about to enjoy the very latest in speed, flexibility and security so you're always in control.
-INSTALL_BLURB2=That's because $BrandShortName is made by a non-profit to make browsing and the Web better for you.
-INSTALL_BLURB3=You're also joining a global community of users, contributors and developers working to make the best browser in the world.
-
-WARN_MIN_SUPPORTED_OS_MSG=Sorry, $BrandShortName can't be installed. This version of $BrandShortName requires ${MinSupportedVer} or newer.
-WARN_WRITE_ACCESS=You don't have access to write to the installation directory.\n\nClick OK to select a different directory.
-WARN_DISK_SPACE=You don't have sufficient disk space to install to this location.\n\nClick OK to select a different location.
-WARN_ROOT_INSTALL=Unable to install to the root of your disk.\n\nClick OK to select a different location.
-WARN_MANUALLY_CLOSE_APP_LAUNCH=$BrandShortName is already running.\n\nPlease close $BrandShortName prior to launching the version you have just installed.
-
-ERROR_DOWNLOAD=Your download was interrupted.\n\nPlease click the OK button to continue.
-
-INSTALL_BUTTON=&Install
-UPGRADE_BUTTON=&Upgrade
-CANCEL_BUTTON=Cancel
-OPTIONS_BUTTON=&Options
-
-MAKE_DEFAULT=&Make $BrandShortName my default browser
-CREATE_SHORTCUTS=Create Shortcuts for $BrandShortName:
-ADD_SC_TASKBAR=On my &Task bar
-ADD_SC_QUICKLAUNCHBAR=On my &Quick Launch bar
-ADD_CheckboxShortcutInStartMenu=In my &Start Menu Programs Folder
-ADD_CheckboxShortcutOnDesktop=On my &Desktop
-SPACE_REQUIRED=Space Required:
-SPACE_AVAILABLE=Space Available:
-ONE_MOMENT=One moment, $BrandShortName will launch as soon as the install is complete…
-SEND_PING=S&end information about this installation to Mozilla
-BROWSE_BUTTON=B&rowse…
-DEST_FOLDER=Destination Folder
-
-DOWNLOADING_IN_PROGRESS=Downloading…
-DOWNLOADING_DONE=Downloaded
-INSTALLING_TO_BE_DONE=Installing
-INSTALLING_IN_PROGRESS=Installing…
-
-SELECT_FOLDER_TEXT=Select the folder to install $BrandShortName in.
-
-BYTE=B
-KILO=K
-MEGA=M
-GIGA=G
diff --git a/application/palemoon/locales/jar.mn b/application/palemoon/locales/jar.mn
index e3477c320..5fcee246e 100644
--- a/application/palemoon/locales/jar.mn
+++ b/application/palemoon/locales/jar.mn
@@ -6,93 +6,92 @@
 
 @AB_CD@.jar:
 % locale browser @AB_CD@ %locale/browser/
-    locale/browser/aboutCertError.dtd              (%chrome/browser/aboutCertError.dtd)
-    locale/browser/aboutDialog.dtd                 (%chrome/browser/aboutDialog.dtd)
-    locale/browser/aboutPrivateBrowsing.dtd        (%chrome/browser/aboutPrivateBrowsing.dtd)
-    locale/browser/aboutRobots.dtd                 (%chrome/browser/aboutRobots.dtd)
-    locale/browser/aboutHome.dtd                   (%chrome/browser/aboutHome.dtd)
-    locale/browser/aboutSessionRestore.dtd         (%chrome/browser/aboutSessionRestore.dtd)
+  locale/browser/aboutCertError.dtd                             (%chrome/browser/aboutCertError.dtd)
+  locale/browser/aboutDialog.dtd                                (%chrome/browser/aboutDialog.dtd)
+  locale/browser/aboutPrivateBrowsing.dtd                       (%chrome/browser/aboutPrivateBrowsing.dtd)
+* locale/browser/aboutHome.dtd                                  (%chrome/browser/aboutHome.dtd)
+  locale/browser/aboutSessionRestore.dtd                        (%chrome/browser/aboutSessionRestore.dtd)
 #ifdef MOZ_SERVICES_SYNC
-    locale/browser/syncProgress.dtd                (%chrome/browser/syncProgress.dtd)
-    locale/browser/aboutSyncTabs.dtd               (%chrome/browser/aboutSyncTabs.dtd)
+  locale/browser/syncProgress.dtd                               (%chrome/browser/syncProgress.dtd)
+  locale/browser/aboutSyncTabs.dtd                              (%chrome/browser/aboutSyncTabs.dtd)
 #endif
-*   locale/browser/browser.dtd                     (%chrome/browser/browser.dtd)
-    locale/browser/baseMenuOverlay.dtd             (%chrome/browser/baseMenuOverlay.dtd)
-    locale/browser/charsetOverlay.dtd              (%chrome/browser/charsetOverlay.dtd)
-    locale/browser/browser.properties              (%chrome/browser/browser.properties)
-    locale/browser/charsetMenu.properties          (%chrome/browser/charsetMenu.properties)
-    locale/browser/charsetMenu.dtd                 (%chrome/browser/charsetMenu.dtd)
-    locale/browser/newTab.dtd                      (%chrome/browser/newTab.dtd)
-    locale/browser/newTab.properties               (%chrome/browser/newTab.properties)
-    locale/browser/openLocation.dtd                (%chrome/browser/openLocation.dtd)
-    locale/browser/openLocation.properties         (%chrome/browser/openLocation.properties)
-    locale/browser/pageInfo.dtd                    (%chrome/browser/pageInfo.dtd)
-    locale/browser/pageInfo.properties             (%chrome/browser/pageInfo.properties)
-    locale/browser/palemoon.dtd                    (%chrome/browser/palemoon.dtd)
-    locale/browser/quitDialog.properties           (%chrome/browser/quitDialog.properties)
-    locale/browser/safeMode.dtd                    (%chrome/browser/safeMode.dtd)
-    locale/browser/sanitize.dtd                    (%chrome/browser/sanitize.dtd)
-    locale/browser/search.properties               (%chrome/browser/search.properties)
-    locale/browser/searchbar.dtd                   (%chrome/browser/searchbar.dtd)
-    locale/browser/engineManager.dtd               (%chrome/browser/engineManager.dtd)
-    locale/browser/engineManager.properties        (%chrome/browser/engineManager.properties)
-    locale/browser/setDesktopBackground.dtd        (%chrome/browser/setDesktopBackground.dtd)
-    locale/browser/shellservice.properties         (%chrome/browser/shellservice.properties)
-    locale/browser/statusbar/statusbar-overlay.dtd (%chrome/browser/statusbar/statusbar-overlay.dtd)
-    locale/browser/statusbar/statusbar-prefs.dtd   (%chrome/browser/statusbar/statusbar-prefs.dtd)
-    locale/browser/statusbar/meta.properties       (%chrome/browser/statusbar/meta.properties)
-    locale/browser/statusbar/overlay.properties    (%chrome/browser/statusbar/overlay.properties)
-    locale/browser/statusbar/prefs.properties      (%chrome/browser/statusbar/prefs.properties)
-    locale/browser/tabbrowser.dtd                  (%chrome/browser/tabbrowser.dtd)
-    locale/browser/tabbrowser.properties           (%chrome/browser/tabbrowser.properties)
-    locale/browser/taskbar.properties              (%chrome/browser/taskbar.properties)
-    locale/browser/downloads/downloads.dtd         (%chrome/browser/downloads/downloads.dtd)
-    locale/browser/downloads/downloads.properties  (%chrome/browser/downloads/downloads.properties)
-    locale/browser/places/places.dtd               (%chrome/browser/places/places.dtd)
-    locale/browser/places/places.properties        (%chrome/browser/places/places.properties)
-    locale/browser/places/editBookmarkOverlay.dtd  (%chrome/browser/places/editBookmarkOverlay.dtd)
-    locale/browser/places/bookmarkProperties.properties (%chrome/browser/places/bookmarkProperties.properties)
-    locale/browser/preferences/selectBookmark.dtd  (%chrome/browser/preferences/selectBookmark.dtd)
-    locale/browser/places/moveBookmarks.dtd        (%chrome/browser/places/moveBookmarks.dtd)
-    locale/browser/feeds/subscribe.dtd              (%chrome/browser/feeds/subscribe.dtd)
-    locale/browser/feeds/subscribe.properties       (%chrome/browser/feeds/subscribe.properties)
-    locale/browser/permissions/aboutPermissions.dtd          (%chrome/browser/permissions/aboutPermissions.dtd)
-    locale/browser/permissions/aboutPermissions.properties   (%chrome/browser/permissions/aboutPermissions.properties)
-    locale/browser/preferences/advanced.dtd           (%chrome/browser/preferences/advanced.dtd)
-    locale/browser/preferences/applicationManager.dtd        (%chrome/browser/preferences/applicationManager.dtd)
-    locale/browser/preferences/applicationManager.properties (%chrome/browser/preferences/applicationManager.properties)
-    locale/browser/preferences/colors.dtd             (%chrome/browser/preferences/colors.dtd)
-    locale/browser/preferences/cookies.dtd            (%chrome/browser/preferences/cookies.dtd)
-    locale/browser/preferences/content.dtd            (%chrome/browser/preferences/content.dtd)
-    locale/browser/preferences/connection.dtd         (%chrome/browser/preferences/connection.dtd)
-    locale/browser/preferences/applications.dtd       (%chrome/browser/preferences/applications.dtd)
-    locale/browser/preferences/fonts.dtd              (%chrome/browser/preferences/fonts.dtd)
-    locale/browser/preferences/main.dtd               (%chrome/browser/preferences/main.dtd)
-    locale/browser/preferences/languages.dtd          (%chrome/browser/preferences/languages.dtd)
-    locale/browser/preferences/permissions.dtd        (%chrome/browser/preferences/permissions.dtd)
-    locale/browser/preferences/preferences.dtd        (%chrome/browser/preferences/preferences.dtd)
-    locale/browser/preferences/preferences.properties (%chrome/browser/preferences/preferences.properties)
-    locale/browser/preferences/privacy.dtd            (%chrome/browser/preferences/privacy.dtd)
-    locale/browser/preferences/security.dtd           (%chrome/browser/preferences/security.dtd)
+* locale/browser/browser.dtd                                    (%chrome/browser/browser.dtd)
+  locale/browser/baseMenuOverlay.dtd                            (%chrome/browser/baseMenuOverlay.dtd)
+  locale/browser/charsetOverlay.dtd                             (%chrome/browser/charsetOverlay.dtd)
+  locale/browser/browser.properties                             (%chrome/browser/browser.properties)
+  locale/browser/charsetMenu.properties                         (%chrome/browser/charsetMenu.properties)
+  locale/browser/charsetMenu.dtd                                (%chrome/browser/charsetMenu.dtd)
+  locale/browser/newTab.dtd                                     (%chrome/browser/newTab.dtd)
+  locale/browser/newTab.properties                              (%chrome/browser/newTab.properties)
+  locale/browser/openLocation.dtd                               (%chrome/browser/openLocation.dtd)
+  locale/browser/openLocation.properties                        (%chrome/browser/openLocation.properties)
+  locale/browser/pageInfo.dtd                                   (%chrome/browser/pageInfo.dtd)
+  locale/browser/pageInfo.properties                            (%chrome/browser/pageInfo.properties)
+  locale/browser/palemoon.dtd                                   (%chrome/browser/palemoon.dtd)
+  locale/browser/quitDialog.properties                          (%chrome/browser/quitDialog.properties)
+  locale/browser/safeMode.dtd                                   (%chrome/browser/safeMode.dtd)
+  locale/browser/sanitize.dtd                                   (%chrome/browser/sanitize.dtd)
+  locale/browser/search.properties                              (%chrome/browser/search.properties)
+  locale/browser/searchbar.dtd                                  (%chrome/browser/searchbar.dtd)
+  locale/browser/engineManager.dtd                              (%chrome/browser/engineManager.dtd)
+  locale/browser/engineManager.properties                       (%chrome/browser/engineManager.properties)
+  locale/browser/setDesktopBackground.dtd                       (%chrome/browser/setDesktopBackground.dtd)
+  locale/browser/shellservice.properties                        (%chrome/browser/shellservice.properties)
+  locale/browser/statusbar/statusbar-overlay.dtd                (%chrome/browser/statusbar/statusbar-overlay.dtd)
+  locale/browser/statusbar/statusbar-prefs.dtd                  (%chrome/browser/statusbar/statusbar-prefs.dtd)
+  locale/browser/statusbar/meta.properties                      (%chrome/browser/statusbar/meta.properties)
+  locale/browser/statusbar/overlay.properties                   (%chrome/browser/statusbar/overlay.properties)
+  locale/browser/statusbar/prefs.properties                     (%chrome/browser/statusbar/prefs.properties)
+  locale/browser/tabbrowser.dtd                                 (%chrome/browser/tabbrowser.dtd)
+  locale/browser/tabbrowser.properties                          (%chrome/browser/tabbrowser.properties)
+  locale/browser/taskbar.properties                             (%chrome/browser/taskbar.properties)
+  locale/browser/downloads/downloads.dtd                        (%chrome/browser/downloads/downloads.dtd)
+  locale/browser/downloads/downloads.properties                 (%chrome/browser/downloads/downloads.properties)
+  locale/browser/places/places.dtd                              (%chrome/browser/places/places.dtd)
+  locale/browser/places/places.properties                       (%chrome/browser/places/places.properties)
+  locale/browser/places/editBookmarkOverlay.dtd                 (%chrome/browser/places/editBookmarkOverlay.dtd)
+  locale/browser/places/bookmarkProperties.properties           (%chrome/browser/places/bookmarkProperties.properties)
+  locale/browser/preferences/selectBookmark.dtd                 (%chrome/browser/preferences/selectBookmark.dtd)
+  locale/browser/places/moveBookmarks.dtd                       (%chrome/browser/places/moveBookmarks.dtd)
+  locale/browser/feeds/subscribe.dtd                            (%chrome/browser/feeds/subscribe.dtd)
+  locale/browser/feeds/subscribe.properties                     (%chrome/browser/feeds/subscribe.properties)
+  locale/browser/permissions/aboutPermissions.dtd               (%chrome/browser/permissions/aboutPermissions.dtd)
+  locale/browser/permissions/aboutPermissions.properties        (%chrome/browser/permissions/aboutPermissions.properties)
+  locale/browser/preferences/advanced.dtd                       (%chrome/browser/preferences/advanced.dtd)
+  locale/browser/preferences/applicationManager.dtd             (%chrome/browser/preferences/applicationManager.dtd)
+  locale/browser/preferences/applicationManager.properties      (%chrome/browser/preferences/applicationManager.properties)
+  locale/browser/preferences/colors.dtd                         (%chrome/browser/preferences/colors.dtd)
+  locale/browser/preferences/cookies.dtd                        (%chrome/browser/preferences/cookies.dtd)
+  locale/browser/preferences/content.dtd                        (%chrome/browser/preferences/content.dtd)
+  locale/browser/preferences/connection.dtd                     (%chrome/browser/preferences/connection.dtd)
+  locale/browser/preferences/applications.dtd                   (%chrome/browser/preferences/applications.dtd)
+  locale/browser/preferences/fonts.dtd                          (%chrome/browser/preferences/fonts.dtd)
+  locale/browser/preferences/main.dtd                           (%chrome/browser/preferences/main.dtd)
+  locale/browser/preferences/languages.dtd                      (%chrome/browser/preferences/languages.dtd)
+  locale/browser/preferences/permissions.dtd                    (%chrome/browser/preferences/permissions.dtd)
+  locale/browser/preferences/preferences.dtd                    (%chrome/browser/preferences/preferences.dtd)
+  locale/browser/preferences/preferences.properties             (%chrome/browser/preferences/preferences.properties)
+  locale/browser/preferences/privacy.dtd                        (%chrome/browser/preferences/privacy.dtd)
+  locale/browser/preferences/security.dtd                       (%chrome/browser/preferences/security.dtd)
 #ifdef MOZ_SERVICES_SYNC
-    locale/browser/preferences/sync.dtd               (%chrome/browser/preferences/sync.dtd)
+  locale/browser/preferences/sync.dtd                           (%chrome/browser/preferences/sync.dtd)
 #endif
-    locale/browser/preferences/tabs.dtd               (%chrome/browser/preferences/tabs.dtd)
+  locale/browser/preferences/tabs.dtd                           (%chrome/browser/preferences/tabs.dtd)
 #ifdef MOZ_SERVICES_SYNC
-    locale/browser/syncBrand.dtd                (%chrome/browser/syncBrand.dtd)
-    locale/browser/syncSetup.dtd                (%chrome/browser/syncSetup.dtd)
-    locale/browser/syncSetup.properties         (%chrome/browser/syncSetup.properties)
-    locale/browser/syncGenericChange.properties         (%chrome/browser/syncGenericChange.properties)
-    locale/browser/syncKey.dtd                  (%chrome/browser/syncKey.dtd)
-    locale/browser/syncQuota.dtd                (%chrome/browser/syncQuota.dtd)
-    locale/browser/syncQuota.properties         (%chrome/browser/syncQuota.properties)
+  locale/browser/syncBrand.dtd                                  (%chrome/browser/syncBrand.dtd)
+  locale/browser/syncSetup.dtd                                  (%chrome/browser/syncSetup.dtd)
+  locale/browser/syncSetup.properties                           (%chrome/browser/syncSetup.properties)
+  locale/browser/syncGenericChange.properties                   (%chrome/browser/syncGenericChange.properties)
+  locale/browser/syncKey.dtd                                    (%chrome/browser/syncKey.dtd)
+  locale/browser/syncQuota.dtd                                  (%chrome/browser/syncQuota.dtd)
+  locale/browser/syncQuota.properties                           (%chrome/browser/syncQuota.properties)
 #endif
 % locale browser-region @AB_CD@ %locale/browser-region/
-    locale/browser-region/region.properties        (%chrome/browser-region/region.properties)
+  locale/browser-region/region.properties                       (%chrome/browser-region/region.properties)
 # the following files are browser-specific overrides
-    locale/browser/netError.dtd                (%chrome/overrides/netError.dtd)
-    locale/browser/appstrings.properties       (%chrome/overrides/appstrings.properties)
-    locale/browser/downloads/settingsChange.dtd  (%chrome/overrides/settingsChange.dtd)
+  locale/browser/netError.dtd                                   (%chrome/overrides/netError.dtd)
+  locale/browser/appstrings.properties                          (%chrome/overrides/appstrings.properties)
+  locale/browser/downloads/settingsChange.dtd                   (%chrome/overrides/settingsChange.dtd)
 % override chrome://global/locale/netError.dtd chrome://browser/locale/netError.dtd
 % override chrome://global/locale/appstrings.properties chrome://browser/locale/appstrings.properties
 % override chrome://mozapps/locale/downloads/settingsChange.dtd chrome://browser/locale/downloads/settingsChange.dtd
diff --git a/application/palemoon/modules/FormSubmitObserver.jsm b/application/palemoon/modules/FormSubmitObserver.jsm
index e4d3e765e..6b2ea3c84 100644
--- a/application/palemoon/modules/FormSubmitObserver.jsm
+++ b/application/palemoon/modules/FormSubmitObserver.jsm
@@ -42,10 +42,10 @@ FormSubmitObserver.prototype =
   {
     this._content = aWindow;
     this._tab = aTabChildGlobal;
-    this._mm = 

-      this._content.QueryInterface(Ci.nsIInterfaceRequestor)

-                   .getInterface(Ci.nsIDocShell)

-                   .sameTypeRootTreeItem

+    this._mm = 
+      this._content.QueryInterface(Ci.nsIInterfaceRequestor)
+                   .getInterface(Ci.nsIDocShell)
+                   .sameTypeRootTreeItem
                    .QueryInterface(Ci.nsIDocShell)
                    .QueryInterface(Ci.nsIInterfaceRequestor)
                    .getInterface(Ci.nsIContentFrameMessageManager);
@@ -104,13 +104,13 @@ FormSubmitObserver.prototype =
       return;
     }
     
-    // Insure that this is the FormSubmitObserver associated with the form
+    // Ensure that this is the FormSubmitObserver associated with the
     // element / window this notification is about.
-    if (this._content != aFormElement.ownerDocument.defaultView.top.document.defaultView) {
+    let element = aInvalidElements.queryElementAt(0, Ci.nsISupports);
+    if (this._content != element.ownerGlobal.top.document.defaultView) {
       return;
     }
 
-    let element = aInvalidElements.queryElementAt(0, Ci.nsISupports);
     if (!(element instanceof HTMLInputElement ||
           element instanceof HTMLTextAreaElement ||
           element instanceof HTMLSelectElement ||
@@ -118,6 +118,9 @@ FormSubmitObserver.prototype =
       return;
     }
 
+    // Update validation message before showing notification
+    this._validationMessage = element.validationMessage;
+
     // Don't connect up to the same element more than once.
     if (this._element == element) {
       this._showPopup(element);
@@ -127,8 +130,6 @@ FormSubmitObserver.prototype =
 
     element.focus();
 
-    this._validationMessage = element.validationMessage;
-
     // Watch for input changes which may change the validation message.
     element.addEventListener("input", this, false);
 
@@ -142,7 +143,7 @@ FormSubmitObserver.prototype =
   /*
    * Internal
    */
-  

+  
   /*
    * Handles input changes on the form element we've associated a popup
    * with. Updates the validation message or closes the popup if form data
@@ -189,18 +190,17 @@ FormSubmitObserver.prototype =
 
     // Note, this is relative to the browser and needs to be translated
     // in chrome.
-    panelData.contentRect = this._msgRect(aElement);
+    panelData.contentRect = BrowserUtils.getElementBoundingRect(aElement);
 
     // We want to show the popup at the middle of checkbox and radio buttons
     // and where the content begin for the other elements.
     let offset = 0;
-    let position = "";
 
     if (aElement.tagName == 'INPUT' &&
         (aElement.type == 'radio' || aElement.type == 'checkbox')) {
       panelData.position = "bottomcenter topleft";
     } else {
-      let win = aElement.ownerDocument.defaultView;
+      let win = aElement.ownerGlobal;
       let style = win.getComputedStyle(aElement, null);
       if (style.direction == 'rtl') {
         offset = parseInt(style.paddingRight) + parseInt(style.borderRightWidth);
@@ -218,8 +218,8 @@ FormSubmitObserver.prototype =
     this._mm.sendAsyncMessage("FormValidation:HidePopup", {});
   },
 
-  _getWindowUtils: function () {

-    return this._content.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIDOMWindowUtils);

+  _getWindowUtils: function () {
+    return this._content.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIDOMWindowUtils);
   },
 
   _isRootDocumentEvent: function (aEvent) {
@@ -231,21 +231,5 @@ FormSubmitObserver.prototype =
             (target.ownerDocument && target.ownerDocument == this._content.document));
   },
 
-  /*
-   * Return a message manager rect for the element's bounding client rect
-   * in top level browser coords.
-   */
-  _msgRect: function (aElement) {
-    let domRect = aElement.getBoundingClientRect();
-    let zoomFactor = this._getWindowUtils().fullZoom;
-    let { offsetX, offsetY } = BrowserUtils.offsetToTopLevelWindow(this._content, aElement);
-    return {
-      left: (domRect.left + offsetX) * zoomFactor,
-      top: (domRect.top + offsetY) * zoomFactor,
-      width: domRect.width * zoomFactor,
-      height: domRect.height * zoomFactor
-    };
-  },
-
   QueryInterface : XPCOMUtils.generateQI([Ci.nsIFormSubmitObserver])
 };
diff --git a/application/palemoon/modules/WindowsPreviewPerTab.jsm b/application/palemoon/modules/WindowsPreviewPerTab.jsm
index c1ed05c39..4b5030ad4 100644
--- a/application/palemoon/modules/WindowsPreviewPerTab.jsm
+++ b/application/palemoon/modules/WindowsPreviewPerTab.jsm
@@ -3,12 +3,10 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 /*
- * This module implements the front end behavior for AeroPeek. Starting in
- * Windows Vista, the taskbar began showing live thumbnail previews of windows
- * when the user hovered over the window icon in the taskbar. Starting with
- * Windows 7, the taskbar allows an application to expose its tabbed interface
- * in the taskbar by showing thumbnail previews rather than the default window
- * preview. Additionally, when a user hovers over a thumbnail (tab or window),
+ * This module implements the front end behavior for AeroPeek. The taskbar
+ * allows an application to expose its tabbed interface by showing thumbnail
+ * previews rather than the default window preview.
+ * Additionally, when a user hovers over a thumbnail (tab or window),
  * they are shown a live preview of the window (or tab + its containing window).
  *
  * In Windows 7, a title, icon, close button and optional toolbar are shown for
@@ -31,7 +29,7 @@
  * Screen real estate is limited so when there are too many thumbnails to fit
  * on the screen, the taskbar stops displaying thumbnails and instead displays
  * just the title, icon and close button in a similar fashion to previous
- * versions of the taskbar. If there are still too many previews to fit on the 
+ * versions of the taskbar. If there are still too many previews to fit on the
  * screen, the taskbar resorts to a scroll up and scroll down button pair to let
  * the user scroll through the list of tabs. Since this is undoubtedly
  * inconvenient for users with many tabs, the AeroPeek objects turns off all of
@@ -47,9 +45,11 @@ const Cc = Components.classes;
 const Ci = Components.interfaces;
 const Cu = Components.utils;
 
-Cu.import("resource://gre/modules/XPCOMUtils.jsm");
 Cu.import("resource://gre/modules/NetUtil.jsm");
+Cu.import("resource://gre/modules/PlacesUtils.jsm");
 Cu.import("resource://gre/modules/PrivateBrowsingUtils.jsm");
+Cu.import("resource://gre/modules/Services.jsm");
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
 
 // Pref to enable/disable preview-per-tab
 const TOGGLE_PREF_NAME = "browser.taskbar.previews.enable";
@@ -60,17 +60,15 @@ const CACHE_EXPIRATION_TIME_PREF_NAME = "browser.taskbar.previews.cachetime";
 
 const WINTASKBAR_CONTRACTID = "@mozilla.org/windows-taskbar;1";
 
-////////////////////////////////////////////////////////////////////////////////
-//// Various utility properties
+// Various utility properties
 XPCOMUtils.defineLazyServiceGetter(this, "imgTools",
                                    "@mozilla.org/image/tools;1",
                                    "imgITools");
-XPCOMUtils.defineLazyServiceGetter(this, "faviconSvc",
-                                   "@mozilla.org/browser/favicon-service;1",
-                                   "nsIFaviconService");
+XPCOMUtils.defineLazyModuleGetter(this, "PageThumbs",
+                                  "resource://gre/modules/PageThumbs.jsm");
 
 // nsIURI -> imgIContainer
-function _imageFromURI(doc, uri, privateMode, callback) {
+function _imageFromURI(uri, privateMode, callback) {
   let channel = NetUtil.newChannel({
     uri: uri,
     loadUsingSystemPrincipal: true,
@@ -93,19 +91,20 @@ function _imageFromURI(doc, uri, privateMode, callback) {
     } catch (e) {
       // We failed, so use the default favicon (only if this wasn't the default
       // favicon).
-      let defaultURI = faviconSvc.defaultFavicon;
+      let defaultURI = PlacesUtils.favicons.defaultFavicon;
       if (!defaultURI.equals(uri))
-        _imageFromURI(doc, defaultURI, privateMode, callback);
+        _imageFromURI(defaultURI, privateMode, callback);
     }
   });
 }
 
 // string? -> imgIContainer
-function getFaviconAsImage(doc, iconurl, privateMode, callback) {
-  if (iconurl)
-    _imageFromURI(doc, NetUtil.newURI(iconurl), privateMode, callback);
-  else
-    _imageFromURI(doc, faviconSvc.defaultFavicon, privateMode, callback);
+function getFaviconAsImage(iconurl, privateMode, callback) {
+  if (iconurl) {
+    _imageFromURI(NetUtil.newURI(iconurl), privateMode, callback);
+  } else {
+    _imageFromURI(PlacesUtils.favicons.defaultFavicon, privateMode, callback);
+  }
 }
 
 // Snaps the given rectangle to be pixel-aligned at the given scale
@@ -121,16 +120,17 @@ function snapRectAtScale(r, scale) {
   r.height = height / scale;
 }
 
-////////////////////////////////////////////////////////////////////////////////
-//// PreviewController
+// PreviewController
 
 /*
- * This class manages the behavior of the preview.
- *
- * To give greater performance when drawing, the dirty areas of the content
- * window are tracked and drawn on demand into a canvas of the same size.
- * This provides a great increase in responsiveness when drawing a preview
- * for unchanged (or even only slightly changed) tabs.
+ * This class manages the behavior of thumbnails and previews. It has the following
+ * responsibilities:
+ * 1) Responding to requests from Windows taskbar for a thumbnail or window
+ *    preview.
+ * 2) Listening for DOM events that result in a thumbnail or window preview needing
+ *    to be refreshed, and communicating this to the taskbar.
+ * 3) Handling queryies and returning new thumbnail or window preview images to the
+ *    taskbar through PageThumbs.
  *
  * @param win
  *        The TabWindow (see below) that owns the preview that this controls
@@ -143,206 +143,182 @@ function PreviewController(win, tab) {
   this.linkedBrowser = tab.linkedBrowser;
   this.preview = this.win.createTabPreview(this);
 
-  this.linkedBrowser.addEventListener("MozAfterPaint", this, false);
   this.tab.addEventListener("TabAttrModified", this, false);
 
   XPCOMUtils.defineLazyGetter(this, "canvasPreview", function () {
-    let canvas = this.win.win.document.createElementNS("http://www.w3.org/1999/xhtml", "canvas");
+    let canvas = PageThumbs.createCanvas();
     canvas.mozOpaque = true;
     return canvas;
   });
-
-  XPCOMUtils.defineLazyGetter(this, "dirtyRegion",
-    function () {
-      let dirtyRegion = Cc["@mozilla.org/gfx/region;1"]
-                       .createInstance(Ci.nsIScriptableRegion);
-      dirtyRegion.init();
-      return dirtyRegion;
-    });
-
-  XPCOMUtils.defineLazyGetter(this, "winutils",
-    function () {
-      let win = tab.linkedBrowser.contentWindow;
-      return win.QueryInterface(Ci.nsIInterfaceRequestor)
-                .getInterface(Ci.nsIDOMWindowUtils);
-  });
 }
 
 PreviewController.prototype = {
   QueryInterface: XPCOMUtils.generateQI([Ci.nsITaskbarPreviewController,
                                          Ci.nsIDOMEventListener]),
+
   destroy: function () {
     this.tab.removeEventListener("TabAttrModified", this, false);
-    this.linkedBrowser.removeEventListener("MozAfterPaint", this, false);
 
     // Break cycles, otherwise we end up leaking the window with everything
     // attached to it.
     delete this.win;
     delete this.preview;
-    delete this.dirtyRegion;
   },
+
   get wrappedJSObject() {
     return this;
   },
 
-  get dirtyRects() {
-    let rectstream = this.dirtyRegion.getRects();
-    if (!rectstream)
-      return [];
-    let rects = [];
-    for (let i = 0; i < rectstream.length; i+= 4) {
-      let r = {x:      rectstream[i],
-               y:      rectstream[i+1],
-               width:  rectstream[i+2],
-               height: rectstream[i+3]};
-      rects.push(r);
-    }
-    return rects;
-  },
-
   // Resizes the canvasPreview to 0x0, essentially freeing its memory.
-  // updateCanvasPreview() will detect the size mismatch as a resize event
-  // the next time it is called.
   resetCanvasPreview: function () {
     this.canvasPreview.width = 0;
     this.canvasPreview.height = 0;
   },
 
+  /**
+   * Set the canvas dimensions.
+   */
+  resizeCanvasPreview: function (aRequestedWidth, aRequestedHeight) {
+    this.canvasPreview.width = aRequestedWidth;
+    this.canvasPreview.height = aRequestedHeight;
+  },
+
+
   get zoom() {
     // Note that winutils.fullZoom accounts for "quantization" of the zoom factor
-    // from nsIMarkupDocumentViewer due to conversion through appUnits.
+    // from nsIContentViewer due to conversion through appUnits.
     // We do -not- want screenPixelsPerCSSPixel here, because that would -also-
     // incorporate any scaling that is applied due to hi-dpi resolution options.
-    return this.winutils.fullZoom;
-  },
-
-  // Updates the controller's canvas with the parts of the <browser> that need
-  // to be redrawn.
-  updateCanvasPreview: function () {
-    let win = this.linkedBrowser.contentWindow;
-    let bx = this.linkedBrowser.boxObject;
-    // Check for resize
-    if (bx.width != this.canvasPreview.width ||
-        bx.height != this.canvasPreview.height) {
-      // Invalidate the entire area and repaint
-      this.onTabPaint({left:0, top:0, right:win.innerWidth, bottom:win.innerHeight});
-      this.canvasPreview.width = bx.width;
-      this.canvasPreview.height = bx.height;
-    }
+    return this.tab.linkedBrowser.fullZoom;
+  },
 
-    // Draw dirty regions
-    let ctx = this.canvasPreview.getContext("2d");
-    let scale = this.zoom;
-
-    let flags = this.canvasPreviewFlags;
-    // The dirty region may include parts that are offscreen so we clip to the
-    // canvas area.
-    this.dirtyRegion.intersectRect(0, 0, win.innerWidth, win.innerHeight);
-    this.dirtyRects.forEach(function (r) {
-      // We need to snap the rectangle to be pixel aligned in the destination
-      // coordinate space. Otherwise natively themed widgets might not draw.
-      snapRectAtScale(r, scale);
-      let x = r.x;
-      let y = r.y;
-      let width = r.width;
-      let height = r.height;
+  get screenPixelsPerCSSPixel() {
+    let chromeWin = this.tab.ownerGlobal;
+    let windowUtils = chromeWin.getInterface(Ci.nsIDOMWindowUtils);
+    return windowUtils.screenPixelsPerCSSPixel;
+  },
 
-      ctx.save();
-      ctx.scale(scale, scale);
-      ctx.translate(x, y);
-      ctx.drawWindow(win, x, y, width, height, "white", flags);
-      ctx.restore();
-    });
-    this.dirtyRegion.setToRect(0,0,0,0);
+  get browserDims() {
+    return this.tab.linkedBrowser.getBoundingClientRect();
+  },
+
+  cacheBrowserDims: function () {
+    let dims = this.browserDims;
+    this._cachedWidth = dims.width;
+    this._cachedHeight = dims.height;
+  },
 
+  testCacheBrowserDims: function () {
+    let dims = this.browserDims;
+    return this._cachedWidth == dims.width &&
+      this._cachedHeight == dims.height;
+  },
+
+  /**
+   * Capture a new thumbnail image for this preview. Called by the controller
+   * in response to a request for a new thumbnail image.
+   */
+  updateCanvasPreview: function (aFullScale, aCallback) {
+    // Update our cached browser dims so that delayed resize
+    // events don't trigger another invalidation if this tab becomes active.
+    this.cacheBrowserDims();
+    PageThumbs.captureToCanvas(this.linkedBrowser, this.canvasPreview,
+                               aCallback, { fullScale: aFullScale });
     // If we're updating the canvas, then we're in the middle of a peek so
     // don't discard the cache of previews.
     AeroPeek.resetCacheTimer();
   },
 
-  onTabPaint: function (rect) {
-    let x = Math.floor(rect.left),
-        y = Math.floor(rect.top),
-        width = Math.ceil(rect.right) - x,
-        height = Math.ceil(rect.bottom) - y;
-    this.dirtyRegion.unionRect(x, y, width, height);
-  },
-
   updateTitleAndTooltip: function () {
     let title = this.win.tabbrowser.getWindowTitleForBrowser(this.linkedBrowser);
     this.preview.title = title;
     this.preview.tooltip = title;
   },
 
-  //////////////////////////////////////////////////////////////////////////////
-  //// nsITaskbarPreviewController 
+  // nsITaskbarPreviewController
 
+  // window width and height, not browser
   get width() {
     return this.win.width;
   },
 
+  // window width and height, not browser
   get height() {
     return this.win.height;
   },
 
   get thumbnailAspectRatio() {
-    let boxObject = this.tab.linkedBrowser.boxObject;
+    let browserDims = this.browserDims;
     // Avoid returning 0
-    let tabWidth = boxObject.width || 1;
+    let tabWidth = browserDims.width || 1;
     // Avoid divide by 0
-    let tabHeight = boxObject.height || 1;
+    let tabHeight = browserDims.height || 1;
     return tabWidth / tabHeight;
   },
 
-  drawPreview: function (ctx) {
-    let self = this;
-    this.win.tabbrowser.previewTab(this.tab, function () self.previewTabCallback(ctx));
-
-    // We must avoid having the frame drawn around the window. See bug 520807
-    return false;
-  },
-
-  previewTabCallback: function (ctx) {
-    // This will extract the resolution-scale component of the scaling we need,
-    // which should be applied to both chrome and content;
-    // the page zoom component is applied (to content only) within updateCanvasPreview.
-    let scale = this.winutils.screenPixelsPerCSSPixel / this.winutils.fullZoom;
-    ctx.save();
-    ctx.scale(scale, scale);
-    let width = this.win.width;
-    let height = this.win.height;
-    // Draw our toplevel window
-    ctx.drawWindow(this.win.win, 0, 0, width, height, "transparent");
-
-    // XXX (jfkthame): Pending tabs don't seem to draw with the proper scaling
-    // unless we use this block of code; but doing this for "normal" (loaded) tabs
-    // results in blurry rendering on hidpi systems, so we avoid it if possible.
-    // I don't understand why pending and loaded tabs behave differently here...
-    // (see bug 857061).
-    if (this.tab.hasAttribute("pending")) {
-      // Compositor, where art thou?
-      // Draw the tab content on top of the toplevel window
-      this.updateCanvasPreview();
-
-      let boxObject = this.linkedBrowser.boxObject;
-      ctx.translate(boxObject.x, boxObject.y);
-      ctx.drawImage(this.canvasPreview, 0, 0);
-    }
+  /**
+   * Responds to taskbar requests for window previews. Returns the results asynchronously
+   * through updateCanvasPreview.
+   *
+   * @param aTaskbarCallback nsITaskbarPreviewCallback results callback
+   */
+  requestPreview: function (aTaskbarCallback) {
+    // Grab a high res content preview
+    this.resetCanvasPreview();
+    this.updateCanvasPreview(true, (aPreviewCanvas) => {
+      let winWidth = this.win.width;
+      let winHeight = this.win.height;
 
-    ctx.restore();
-  },
+      let composite = PageThumbs.createCanvas();
 
-  drawThumbnail: function (ctx, width, height) {
-    this.updateCanvasPreview();
+      // Use transparency, Aero glass is drawn black without it.
+      composite.mozOpaque = false;
 
-    let scale = width/this.linkedBrowser.boxObject.width;
-    ctx.scale(scale, scale);
-    ctx.drawImage(this.canvasPreview, 0, 0);
+      let ctx = composite.getContext('2d');
+      let scale = this.screenPixelsPerCSSPixel / this.zoom;
 
-    // Don't draw a frame around the thumbnail
-    return false;
+      composite.width = winWidth * scale;
+      composite.height = winHeight * scale;
+
+      ctx.save();
+      ctx.scale(scale, scale);
+
+      // Draw chrome. Note we currently do not get scrollbars for remote frames
+      // in the image above.
+      ctx.drawWindow(this.win.win, 0, 0, winWidth, winHeight, "rgba(0,0,0,0)");
+
+      // Draw the content are into the composite canvas at the right location.
+      ctx.drawImage(aPreviewCanvas, this.browserDims.x, this.browserDims.y,
+                    aPreviewCanvas.width, aPreviewCanvas.height);
+      ctx.restore();
+
+      // Deliver the resulting composite canvas to Windows
+      this.win.tabbrowser.previewTab(this.tab, function () {
+        aTaskbarCallback.done(composite, false);
+      });
+    });
   },
 
+  /**
+   * Responds to taskbar requests for tab thumbnails. Returns the results asynchronously
+   * through updateCanvasPreview.
+   *
+   * Note Windows requests a specific width and height here, if the resulting thumbnail
+   * does not match these dimensions thumbnail display will fail.
+   *
+   * @param aTaskbarCallback nsITaskbarPreviewCallback results callback
+   * @param aRequestedWidth width of the requested thumbnail
+   * @param aRequestedHeight height of the requested thumbnail
+   */
+  requestThumbnail: function (aTaskbarCallback, aRequestedWidth, aRequestedHeight) {
+    this.resizeCanvasPreview(aRequestedWidth, aRequestedHeight);
+    this.updateCanvasPreview(false, (aThumbnailCanvas) => {
+      aTaskbarCallback.done(aThumbnailCanvas, false);
+    });
+  },
+
+  // Event handling
+
   onClose: function () {
     this.win.tabbrowser.removeTab(this.tab);
   },
@@ -355,22 +331,9 @@ PreviewController.prototype = {
     return true;
   },
 
-  //// nsIDOMEventListener
+  // nsIDOMEventListener
   handleEvent: function (evt) {
     switch (evt.type) {
-      case "MozAfterPaint":
-        if (evt.originalTarget === this.linkedBrowser.contentWindow) {
-          let clientRects = evt.clientRects;
-          let length = clientRects.length;
-          for (let i = 0; i < length; i++) {
-            let r = clientRects.item(i);
-            this.onTabPaint(r);
-          }
-        }
-        let preview = this.preview;
-        if (preview.visible)
-          preview.invalidate();
-        break;
       case "TabAttrModified":
         this.updateTitleAndTooltip();
         break;
@@ -386,14 +349,13 @@ XPCOMUtils.defineLazyGetter(PreviewController.prototype, "canvasPreviewFlags",
                      | canvasInterface.DRAWWINDOW_DO_NOT_FLUSH;
 });
 
-////////////////////////////////////////////////////////////////////////////////
-//// TabWindow
+// TabWindow
 
 /*
  * This class monitors a browser window for changes to its tabs
  *
  * @param win
- *        The nsIDOMWindow browser window 
+ *        The nsIDOMWindow browser window
  */
 function TabWindow(win) {
   this.win = win;
@@ -403,6 +365,10 @@ function TabWindow(win) {
 
   for (let i = 0; i < this.tabEvents.length; i++)
     this.tabbrowser.tabContainer.addEventListener(this.tabEvents[i], this, false);
+
+  for (let i = 0; i < this.winEvents.length; i++)
+    this.win.addEventListener(this.winEvents[i], this, false);
+
   this.tabbrowser.addTabsProgressListener(this);
 
   AeroPeek.windows.push(this);
@@ -416,7 +382,10 @@ function TabWindow(win) {
 
 TabWindow.prototype = {
   _enabled: false,
+  _cachedWidth: 0,
+  _cachedHeight: 0,
   tabEvents: ["TabOpen", "TabClose", "TabSelect", "TabMove"],
+  winEvents: ["resize"],
 
   destroy: function () {
     this._destroying = true;
@@ -424,6 +393,10 @@ TabWindow.prototype = {
     let tabs = this.tabbrowser.tabs;
 
     this.tabbrowser.removeTabsProgressListener(this);
+
+    for (let i = 0; i < this.winEvents.length; i++)
+      this.win.removeEventListener(this.winEvents[i], this, false);
+
     for (let i = 0; i < this.tabEvents.length; i++)
       this.tabbrowser.tabContainer.removeEventListener(this.tabEvents[i], this, false);
 
@@ -442,6 +415,15 @@ TabWindow.prototype = {
     return this.win.innerHeight;
   },
 
+  cacheDims: function () {
+    this._cachedWidth = this.width;
+    this._cachedHeight = this.height;
+  },
+
+  testCacheDims: function () {
+    return this._cachedWidth == this.width && this._cachedHeight == this.height;
+  },
+
   // Invoked when the given tab is added to this window
   newTab: function (tab) {
     let controller = new PreviewController(this, tab);
@@ -461,18 +443,8 @@ TabWindow.prototype = {
     let preview = AeroPeek.taskbar.createTaskbarTabPreview(docShell, controller);
     preview.visible = AeroPeek.enabled;
     preview.active = this.tabbrowser.selectedTab == controller.tab;
-    // Grab the default favicon
-    getFaviconAsImage(
-      controller.linkedBrowser.contentWindow.document,
-      null,
-      PrivateBrowsingUtils.isWindowPrivate(this.win),
-      function (img) {
-        // It is possible that we've already gotten the real favicon, so make sure
-        // we have not set one before setting this default one.
-        if (!preview.icon)
-          preview.icon = img;
-      });
-
+    this.onLinkIconAvailable(controller.tab.linkedBrowser,
+                             controller.tab.getAttribute("image"));
     return preview;
   },
 
@@ -484,8 +456,6 @@ TabWindow.prototype = {
     preview.move(null);
     preview.controller.wrappedJSObject.destroy();
 
-    // We don't want to splice from the array if the tabs aren't being removed
-    // from the tab bar as well (as is the case when the window closes).
     this.previews.delete(tab);
     AeroPeek.removePreview(preview);
   },
@@ -499,7 +469,7 @@ TabWindow.prototype = {
     // Because making a tab visible requires that the tab it is next to be
     // visible, it is far simpler to unset the 'next' tab and recreate them all
     // at once.
-    for (let [tab, preview] of this.previews) {
+    for (let [, preview] of this.previews) {
       preview.move(null);
       preview.visible = enable;
     }
@@ -514,27 +484,25 @@ TabWindow.prototype = {
     let previews = this.previews;
     let tabs = this.tabbrowser.tabs;
 
-    // Previews are internally stored using a map, so we need to iterate over
-    // the tabbrowser's array of tabs to retrieve previews in the same order.
-    // Tycho: let inorder = [previews.get(t) for (t of tabs) if (previews.has(t))];
+    // Previews are internally stored using a map, so we need to iterate the
+    // tabbrowser's array of tabs to retrieve previews in the same order.
     let inorder = [];
-    
     for (let t of tabs) {
       if (previews.has(t)) {
         inorder.push(previews.get(t));
       }
     }
 
-    // Since the internal taskbar array has not yet been updated, we must force
-    // the sorting order of our local array on it.  To do so, we must walk
-    // the local array backwards, because otherwise we would send move requests
-    // in the wrong order.  See bug 522610 for details.
+    // Since the internal taskbar array has not yet been updated we must force
+    // on it the sorting order of our local array.  To do so we must walk
+    // the local array backwards, otherwise we would send move requests in the
+    // wrong order.  See bug 522610 for details.
     for (let i = inorder.length - 1; i >= 0; i--) {
       inorder[i].move(inorder[i + 1] || null);
     }
   },
 
-  //// nsIDOMEventListener
+  // nsIDOMEventListener
   handleEvent: function (evt) {
     let tab = evt.originalTarget;
     switch (evt.type) {
@@ -552,28 +520,118 @@ TabWindow.prototype = {
       case "TabMove":
         this.updateTabOrdering();
         break;
+      case "resize":
+        if (!AeroPeek._prefenabled)
+          return;
+        this.onResize();
+        break;
+    }
+  },
+
+  // Set or reset a timer that will invalidate visible thumbnails soon.
+  setInvalidationTimer: function () {
+    if (!this.invalidateTimer) {
+      this.invalidateTimer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
     }
+    this.invalidateTimer.cancel();
+
+    // delay 1 second before invalidating
+    this.invalidateTimer.initWithCallback(() => {
+      // invalidate every preview. note the internal implementation of
+      // invalidate ignores thumbnails that aren't visible.
+      this.previews.forEach(function (aPreview) {
+        let controller = aPreview.controller.wrappedJSObject;
+        if (!controller.testCacheBrowserDims()) {
+          controller.cacheBrowserDims();
+          aPreview.invalidate();
+        }
+      });
+    }, 1000, Ci.nsITimer.TYPE_ONE_SHOT);
   },
 
-  //// Browser progress listener
+  onResize: function () {
+    // Specific to a window.
+
+    // Call invalidate on each tab thumbnail so that Windows will request an
+    // updated image. However don't do this repeatedly across multiple resize
+    // events triggered during window border drags.
+
+    if (this.testCacheDims()) {
+      return;
+    }
+
+    // update the window dims on our TabWindow object.
+    this.cacheDims();
+
+    // invalidate soon
+    this.setInvalidationTimer();
+  },
+
+  invalidateTabPreview: function(aBrowser) {
+    for (let [tab, preview] of this.previews) {
+      if (aBrowser == tab.linkedBrowser) {
+        preview.invalidate();
+        break;
+      }
+    }
+  },
+
+  // Browser progress listener
+
+  onLocationChange: function (aBrowser) {
+    // I'm not sure we need this, onStateChange does a really good job
+    // of picking up page changes.
+    // this.invalidateTabPreview(aBrowser);
+  },
+
+  onStateChange: function (aBrowser, aWebProgress, aRequest, aStateFlags, aStatus) {
+    if (aStateFlags & Ci.nsIWebProgressListener.STATE_STOP &&
+        aStateFlags & Ci.nsIWebProgressListener.STATE_IS_NETWORK) {
+      this.invalidateTabPreview(aBrowser);
+    }
+  },
+
+  directRequestProtocols: new Set([
+    "file", "chrome", "resource", "about"
+  ]),
   onLinkIconAvailable: function (aBrowser, aIconURL) {
     let self = this;
+    let requestURL = null;
+    if (aIconURL) {
+      let shouldRequestFaviconURL = true;
+      try {
+        let urlObject = NetUtil.newURI(aIconURL);
+        shouldRequestFaviconURL =
+          !this.directRequestProtocols.has(urlObject.scheme);
+      } catch (ex) {}
+
+      requestURL = shouldRequestFaviconURL ?
+        "moz-anno:favicon:" + aIconURL :
+        aIconURL;
+    }
+    let isDefaultFavicon = !requestURL;
     getFaviconAsImage(
-      aBrowser.contentWindow.document,
-      aIconURL,PrivateBrowsingUtils.isWindowPrivate(this.win),
-      function (img) {
+      requestURL,
+      PrivateBrowsingUtils.isWindowPrivate(self.win),
+      img => {
         let index = self.tabbrowser.browsers.indexOf(aBrowser);
-        // Only add it if we've found the index.  The tab could have closed!
+        // Only add it if we've found the index and the URI is still the same.
+        // The tab could have closed, and there's no guarantee the icons
+        // will have finished fetching 'in order'.
         if (index != -1) {
           let tab = self.tabbrowser.tabs[index];
-          self.previews.get(tab).icon = img;
+          let preview = self.previews.get(tab);
+          if (tab.getAttribute("image") == aIconURL ||
+              (!preview.icon && isDefaultFavicon)) {
+            preview.icon = img;
+          }
         }
-      });
+      }
+    );
   }
 }
 
-////////////////////////////////////////////////////////////////////////////////
-//// AeroPeek
+// AeroPeek
 
 /*
  * This object acts as global storage and external interface for this feature.
@@ -582,10 +640,12 @@ TabWindow.prototype = {
 this.AeroPeek = {
   available: false,
   // Does the pref say we're enabled?
-  _prefenabled: true,
+  __prefenabled: false,
 
   _enabled: true,
 
+  initialized: false,
+
   // nsITaskbarTabPreview array
   previews: [],
 
@@ -609,24 +669,14 @@ this.AeroPeek = {
     if (!this.available)
       return;
 
-    this.prefs.addObserver(TOGGLE_PREF_NAME, this, false);
-    this.prefs.addObserver(DISABLE_THRESHOLD_PREF_NAME, this, false);
-    this.prefs.addObserver(CACHE_EXPIRATION_TIME_PREF_NAME, this, false);
-
-    this.cacheLifespan = this.prefs.getIntPref(CACHE_EXPIRATION_TIME_PREF_NAME);
-
-    this.maxpreviews = this.prefs.getIntPref(DISABLE_THRESHOLD_PREF_NAME);
-
+    this.prefs.addObserver(TOGGLE_PREF_NAME, this, true);
     this.enabled = this._prefenabled = this.prefs.getBoolPref(TOGGLE_PREF_NAME);
+    this.initialized = true;
   },
 
   destroy: function destroy() {
     this._enabled = false;
 
-    this.prefs.removeObserver(TOGGLE_PREF_NAME, this);
-    this.prefs.removeObserver(DISABLE_THRESHOLD_PREF_NAME, this);
-    this.prefs.removeObserver(CACHE_EXPIRATION_TIME_PREF_NAME, this);
-
     if (this.cacheTimer)
       this.cacheTimer.cancel();
   },
@@ -646,6 +696,61 @@ this.AeroPeek = {
     });
   },
 
+  get _prefenabled() {
+    return this.__prefenabled;
+  },
+
+  set _prefenabled(enable) {
+    if (enable == this.__prefenabled) {
+      return;
+    }
+    this.__prefenabled = enable;
+
+    if (enable) {
+      this.enable();
+    } else {
+      this.disable();
+    }
+  },
+
+  _observersAdded: false,
+
+  enable() {
+    if (!this._observersAdded) {
+      this.prefs.addObserver(DISABLE_THRESHOLD_PREF_NAME, this, true);
+      this.prefs.addObserver(CACHE_EXPIRATION_TIME_PREF_NAME, this, true);
+      PlacesUtils.history.addObserver(this, true);
+      this._observersAdded = true;
+    }
+
+    this.cacheLifespan = this.prefs.getIntPref(CACHE_EXPIRATION_TIME_PREF_NAME);
+
+    this.maxpreviews = this.prefs.getIntPref(DISABLE_THRESHOLD_PREF_NAME);
+
+    // If the user toggled us on/off while the browser was already up
+    // (rather than this code running on startup because the pref was
+    // already set to true), we must initialize previews for open windows:
+    if (this.initialized) {
+      let browserWindows = Services.wm.getEnumerator("navigator:browser");
+      while (browserWindows.hasMoreElements()) {
+        let win = browserWindows.getNext();
+        if (!win.closed) {
+          this.onOpenWindow(win);
+        }
+      }
+    }
+  },
+
+  disable() {
+    while (this.windows.length) {
+      // We can't call onCloseWindow here because it'll bail if we're not
+      // enabled.
+      let tabWinObject = this.windows[0];
+      tabWinObject.destroy(); // This will remove us from the array.
+      delete tabWinObject.win.gTaskbarTabGroup; // Tidy up the window.
+    }
+  },
+
   addPreview: function (preview) {
     this.previews.push(preview);
     this.checkPreviewCount();
@@ -658,15 +763,15 @@ this.AeroPeek = {
   },
 
   checkPreviewCount: function () {
-    if (this.previews.length > this.maxpreviews)
-      this.enabled = false;
-    else
-      this.enabled = this._prefenabled;
+    if (!this._prefenabled) {
+      return;
+    }
+    this.enabled = this.previews.length <= this.maxpreviews;
   },
 
   onOpenWindow: function (win) {
     // This occurs when the taskbar service is not available (xp, vista)
-    if (!this.available)
+    if (!this.available || !this._prefenabled)
       return;
 
     win.gTaskbarTabGroup = new TabWindow(win);
@@ -674,7 +779,7 @@ this.AeroPeek = {
 
   onCloseWindow: function (win) {
     // This occurs when the taskbar service is not available (xp, vista)
-    if (!this.available)
+    if (!this.available || !this._prefenabled)
       return;
 
     win.gTaskbarTabGroup.destroy();
@@ -689,16 +794,20 @@ this.AeroPeek = {
     this.cacheTimer.init(this, 1000*this.cacheLifespan, Ci.nsITimer.TYPE_ONE_SHOT);
   },
 
-  //// nsIObserver
+  // nsIObserver
   observe: function (aSubject, aTopic, aData) {
+    if (aTopic == "nsPref:changed" && aData == TOGGLE_PREF_NAME) {
+      this._prefenabled = this.prefs.getBoolPref(TOGGLE_PREF_NAME);
+    }
+    if (!this._prefenabled) {
+      return;
+    }
     switch (aTopic) {
       case "nsPref:changed":
         if (aData == CACHE_EXPIRATION_TIME_PREF_NAME)
           break;
 
-        if (aData == TOGGLE_PREF_NAME)
-          this._prefenabled = this.prefs.getBoolPref(TOGGLE_PREF_NAME);
-        else if (aData == DISABLE_THRESHOLD_PREF_NAME)
+        if (aData == DISABLE_THRESHOLD_PREF_NAME)
           this.maxpreviews = this.prefs.getIntPref(DISABLE_THRESHOLD_PREF_NAME);
         // Might need to enable/disable ourselves
         this.checkPreviewCount();
@@ -710,10 +819,38 @@ this.AeroPeek = {
         });
         break;
     }
-  }
+  },
+
+  /* nsINavHistoryObserver implementation */
+  onBeginUpdateBatch() {},
+  onEndUpdateBatch() {},
+  onVisit() {},
+  onTitleChanged() {},
+  onFrecencyChanged() {},
+  onManyFrecenciesChanged() {},
+  onDeleteURI() {},
+  onClearHistory() {},
+  onDeleteVisits() {},
+  onPageChanged(uri, changedConst, newValue) {
+    if (this.enabled && changedConst == Ci.nsINavHistoryObserver.ATTRIBUTE_FAVICON) {
+      for (let win of this.windows) {
+        for (let [tab, ] of win.previews) {
+          if (tab.getAttribute("image") == newValue) {
+            win.onLinkIconAvailable(tab.linkedBrowser, newValue);
+          }
+        }
+      }
+    }
+  },
+
+  QueryInterface: XPCOMUtils.generateQI([
+    Ci.nsISupportsWeakReference,
+    Ci.nsINavHistoryObserver,
+    Ci.nsIObserver
+  ]),
 };
 
-XPCOMUtils.defineLazyGetter(AeroPeek, "cacheTimer", function ()
+XPCOMUtils.defineLazyGetter(AeroPeek, "cacheTimer", () =>
   Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer)
 );
 
diff --git a/application/palemoon/modules/moz.build b/application/palemoon/modules/moz.build
index 8032930b2..12a3ece2e 100644
--- a/application/palemoon/modules/moz.build
+++ b/application/palemoon/modules/moz.build
@@ -4,7 +4,6 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
-
 EXTRA_JS_MODULES += [
     'AutoCompletePopup.jsm',
     'BrowserNewTabPreloader.jsm',
@@ -38,5 +37,6 @@ EXTRA_PP_JS_MODULES += [
 # Pass down 'official build' flags
 if CONFIG['MC_OFFICIAL']:
     DEFINES['MC_OFFICIAL'] = 1
+
 if CONFIG['MOZILLA_OFFICIAL']:
     DEFINES['MOZILLA_OFFICIAL'] = 1
diff --git a/application/palemoon/moz.build b/application/palemoon/moz.build
index 2b9d8f09b..72e37673c 100644
--- a/application/palemoon/moz.build
+++ b/application/palemoon/moz.build
@@ -15,9 +15,7 @@ DIRS += [
     'themes',
 ]
 
-DIRS += [
-    'app',
-]
+DIRS += ['app']
 
 if CONFIG['MAKENSISU']:
     DIRS += ['installer/windows']
diff --git a/application/palemoon/themes/linux/browser.css b/application/palemoon/themes/linux/browser.css
index 987406264..01b3f5c9e 100644
--- a/application/palemoon/themes/linux/browser.css
+++ b/application/palemoon/themes/linux/browser.css
@@ -1570,12 +1570,6 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
   background-color: Window;
 }
 
-.browserContainer > findbar {
-  background-color: -moz-dialog;
-  color: -moz-DialogText;
-  text-shadow: none;
-}
-
 /* Throbber */
 #navigator-throbber {
   width: 16px;
@@ -1613,6 +1607,17 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
   background-image: linear-gradient(to top, rgba(0,0,0,.3) 1px, rgba(0,0,0,.05) 1px, transparent 50%);
 }
 
+/* When the tab bar is collapsed, show a 1px border in its place. */
+#TabsToolbar[tabsontop="false"][collapsed="true"] {
+  visibility: visible;
+  height: 1px;
+  border-bottom-width: 1px;
+  /* !important here to override border-style: none on the toolbar */
+  border-bottom-style: solid !important;
+  border-bottom-color: ThreeDShadow;
+  overflow: hidden;
+}
+
 .tabbrowser-tab,
 .tabs-newtab-button {
   position: static;
@@ -1764,6 +1769,90 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
   -moz-margin-end: -1px;
 }
 
+/* Tab sound indicator */
+.tab-icon-sound {
+  -moz-margin-start: 4px;
+  width: 16px;
+  height: 16px;
+  padding: 0;
+}
+
+.allTabs-endimage[soundplaying],
+.tab-icon-sound[soundplaying] {
+  list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio.svg#tab-audio");
+}
+
+.allTabs-endimage[muted],
+.tab-icon-sound[muted] {
+  list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio.svg#tab-audio-muted");
+}
+
+.allTabs-endimage[blocked],
+.tab-icon-sound[blocked] {
+  list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio.svg#tab-audio-blocked");
+}
+
+#TabsToolbar:-moz-lwtheme-brighttext .tab-icon-sound[soundplaying],
+#TabsToolbar:-moz-lwtheme-brighttext .tab-icon-sound[blocked],
+#TabsToolbar:-moz-lwtheme-brighttext .tab-icon-sound[muted] {
+  filter: invert(1);
+}
+
+.tab-icon-sound[soundplaying-scheduledremoval]:not([muted]):not(:hover),
+.tab-icon-overlay[soundplaying-scheduledremoval]:not([muted]):not(:hover) {
+  transition: opacity .3s linear var(--soundplaying-removal-delay);
+  opacity: 0;
+}
+
+/* Tab icon overlay */
+.tab-icon-overlay {
+  width: 16px;
+  height: 16px;
+  margin-top: -8px;
+  margin-inline-start: -15px;
+  margin-inline-end: -1px;
+  position: relative;
+}
+
+.tab-icon-overlay[soundplaying],
+.tab-icon-overlay[muted]:not([crashed]),
+.tab-icon-overlay[blocked]:not([crashed]) {
+  border-radius: 10px;
+}
+
+.tab-icon-overlay[soundplaying]:hover,
+.tab-icon-overlay[muted]:not([crashed]):hover,
+.tab-icon-overlay[blocked]:not([crashed]):hover {
+  background-color: white;
+}
+
+.tab-icon-overlay[soundplaying] {
+  list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio-small.svg#tab-audio");
+}
+
+.tab-icon-overlay[muted] {
+  list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio-small.svg#tab-audio-muted");
+}
+
+.tab-icon-overlay[blocked] {
+  list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio-small.svg#tab-audio-blocked");
+}
+
+#TabsToolbar:-moz-lwtheme-brighttext .tab-icon-overlay[soundplaying]:not([selected]):not(:hover),
+.tab-icon-overlay[soundplaying][selected]:-moz-lwtheme-brighttext:not(:hover) {
+  list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio-small.svg#tab-audio-white");
+}
+
+#TabsToolbar:-moz-lwtheme-brighttext .tab-icon-overlay[muted]:not([crashed]):not([selected]):not(:hover),
+.tab-icon-overlay[muted][selected]:-moz-lwtheme-brighttext:not(:hover) {
+  list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio-small.svg#tab-audio-white-muted");
+}
+
+#TabsToolbar:-moz-lwtheme-brighttext .tab-icon-overlay[blocked]:not([crashed]):not([selected]):not(:hover),
+.tab-icon-overlay[blocked][selected]:-moz-lwtheme-brighttext:not(:hover) {
+  list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio-small.svg#tab-audio-white-blocked");
+}
+
 /* Tabstrip new tab button */
 .tabs-newtab-button,
 #TabsToolbar > #new-tab-button ,
diff --git a/application/palemoon/themes/linux/communicator/jar.mn b/application/palemoon/themes/linux/communicator/jar.mn
index dfd20c523..612d13335 100644
--- a/application/palemoon/themes/linux/communicator/jar.mn
+++ b/application/palemoon/themes/linux/communicator/jar.mn
@@ -4,4 +4,4 @@
 
 browser.jar:
 % skin communicator classic/1.0 %skin/classic/communicator/
-        skin/classic/communicator/communicator.css
+  skin/classic/communicator/communicator.css
diff --git a/application/palemoon/themes/linux/jar.mn b/application/palemoon/themes/linux/jar.mn
index 8b2e9dc77..a79487c7f 100644
--- a/application/palemoon/themes/linux/jar.mn
+++ b/application/palemoon/themes/linux/jar.mn
@@ -59,70 +59,72 @@ browser.jar:
   skin/classic/browser/webRTC-shareDevice-64.png
   skin/classic/browser/webRTC-sharingDevice-16.png
 #endif
-  skin/classic/browser/downloads/buttons.png          (downloads/buttons.png)
-  skin/classic/browser/downloads/download-glow.png    (downloads/download-glow.png)
-  skin/classic/browser/downloads/download-glow-small.png (downloads/download-glow-small.png)
-  skin/classic/browser/downloads/download-notification-finish.png (downloads/download-notification-finish.png)
-  skin/classic/browser/downloads/download-notification-start.png (downloads/download-notification-start.png)
-  skin/classic/browser/downloads/download-summary.png (downloads/download-summary.png)
-  skin/classic/browser/downloads/downloads.css        (downloads/downloads.css)
-  skin/classic/browser/downloads/allDownloadsViewOverlay.css   (downloads/allDownloadsViewOverlay.css)
-  skin/classic/browser/downloads/contentAreaDownloadsView.css  (downloads/contentAreaDownloadsView.css)
-  skin/classic/browser/feeds/feedIcon.png             (feeds/feedIcon.png)
-  skin/classic/browser/feeds/feedIcon16.png           (feeds/feedIcon16.png)
-  skin/classic/browser/feeds/videoFeedIcon.png        (feeds/feedIcon.png)
-  skin/classic/browser/feeds/videoFeedIcon16.png      (feeds/feedIcon16.png)
-  skin/classic/browser/feeds/audioFeedIcon.png        (feeds/feedIcon.png)
-  skin/classic/browser/feeds/audioFeedIcon16.png      (feeds/feedIcon16.png)
-  skin/classic/browser/feeds/subscribe.css            (feeds/subscribe.css)
-  skin/classic/browser/feeds/subscribe-ui.css         (feeds/subscribe-ui.css)
-* skin/classic/browser/newtab/newTab.css              (newtab/newTab.css)
-  skin/classic/browser/newtab/controls.png            (../shared/newtab/controls.png)
-  skin/classic/browser/newtab/noise.png               (../shared/newtab/noise.png)
-  skin/classic/browser/newtab/pinned.png              (../shared/newtab/pinned.png)
-  skin/classic/browser/places/bookmarksMenu.png       (places/bookmarksMenu.png)
-  skin/classic/browser/places/bookmarksToolbar.png    (places/bookmarksToolbar.png)
-  skin/classic/browser/places/calendar.png            (places/calendar.png)
-* skin/classic/browser/places/editBookmarkOverlay.css (places/editBookmarkOverlay.css)
-  skin/classic/browser/places/livemark-item.png       (places/livemark-item.png)
-  skin/classic/browser/places/pageStarred.png         (places/pageStarred.png)
-  skin/classic/browser/places/star-icons.png          (places/star-icons.png)
-  skin/classic/browser/places/starred48.png           (places/starred48.png)
-  skin/classic/browser/places/unstarred48.png         (places/unstarred48.png)
-  skin/classic/browser/places/places.css              (places/places.css)
-  skin/classic/browser/places/organizer.css           (places/organizer.css)
-  skin/classic/browser/places/organizer.xml           (places/organizer.xml)
-  skin/classic/browser/places/query.png               (places/query.png)
-  skin/classic/browser/places/starPage.png            (places/starPage.png)
-  skin/classic/browser/places/tag.png                 (places/tag.png)
-  skin/classic/browser/places/toolbarDropMarker.png   (places/toolbarDropMarker.png)
-  skin/classic/browser/places/unsortedBookmarks.png   (places/unsortedBookmarks.png)
-  skin/classic/browser/places/downloads.png           (places/downloads.png)
-  skin/classic/browser/permissions/aboutPermissions.css (permissions/aboutPermissions.css)
-  skin/classic/browser/preferences/alwaysAsk.png      (preferences/alwaysAsk.png)
-  skin/classic/browser/preferences/mail.png           (preferences/mail.png)
-  skin/classic/browser/preferences/Options.png        (preferences/Options.png)
+  skin/classic/browser/downloads/buttons.png                          (downloads/buttons.png)
+  skin/classic/browser/downloads/download-glow.png                    (downloads/download-glow.png)
+  skin/classic/browser/downloads/download-glow-small.png              (downloads/download-glow-small.png)
+  skin/classic/browser/downloads/download-notification-finish.png     (downloads/download-notification-finish.png)
+  skin/classic/browser/downloads/download-notification-start.png      (downloads/download-notification-start.png)
+  skin/classic/browser/downloads/download-summary.png                 (downloads/download-summary.png)
+  skin/classic/browser/downloads/downloads.css                        (downloads/downloads.css)
+  skin/classic/browser/downloads/allDownloadsViewOverlay.css          (downloads/allDownloadsViewOverlay.css)
+  skin/classic/browser/downloads/contentAreaDownloadsView.css         (downloads/contentAreaDownloadsView.css)
+  skin/classic/browser/feeds/feedIcon.png                             (feeds/feedIcon.png)
+  skin/classic/browser/feeds/feedIcon16.png                           (feeds/feedIcon16.png)
+  skin/classic/browser/feeds/videoFeedIcon.png                        (feeds/feedIcon.png)
+  skin/classic/browser/feeds/videoFeedIcon16.png                      (feeds/feedIcon16.png)
+  skin/classic/browser/feeds/audioFeedIcon.png                        (feeds/feedIcon.png)
+  skin/classic/browser/feeds/audioFeedIcon16.png                      (feeds/feedIcon16.png)
+  skin/classic/browser/feeds/subscribe.css                            (feeds/subscribe.css)
+  skin/classic/browser/feeds/subscribe-ui.css                         (feeds/subscribe-ui.css)
+* skin/classic/browser/newtab/newTab.css                              (newtab/newTab.css)
+  skin/classic/browser/newtab/controls.png                            (../shared/newtab/controls.png)
+  skin/classic/browser/newtab/noise.png                               (../shared/newtab/noise.png)
+  skin/classic/browser/newtab/pinned.png                              (../shared/newtab/pinned.png)
+  skin/classic/browser/places/bookmarksMenu.png                       (places/bookmarksMenu.png)
+  skin/classic/browser/places/bookmarksToolbar.png                    (places/bookmarksToolbar.png)
+  skin/classic/browser/places/calendar.png                            (places/calendar.png)
+* skin/classic/browser/places/editBookmarkOverlay.css                 (places/editBookmarkOverlay.css)
+  skin/classic/browser/places/livemark-item.png                       (places/livemark-item.png)
+  skin/classic/browser/places/pageStarred.png                         (places/pageStarred.png)
+  skin/classic/browser/places/star-icons.png                          (places/star-icons.png)
+  skin/classic/browser/places/starred48.png                           (places/starred48.png)
+  skin/classic/browser/places/unstarred48.png                         (places/unstarred48.png)
+  skin/classic/browser/places/places.css                              (places/places.css)
+  skin/classic/browser/places/organizer.css                           (places/organizer.css)
+  skin/classic/browser/places/organizer.xml                           (places/organizer.xml)
+  skin/classic/browser/places/query.png                               (places/query.png)
+  skin/classic/browser/places/starPage.png                            (places/starPage.png)
+  skin/classic/browser/places/tag.png                                 (places/tag.png)
+  skin/classic/browser/places/toolbarDropMarker.png                   (places/toolbarDropMarker.png)
+  skin/classic/browser/places/unsortedBookmarks.png                   (places/unsortedBookmarks.png)
+  skin/classic/browser/places/downloads.png                           (places/downloads.png)
+  skin/classic/browser/permissions/aboutPermissions.css               (permissions/aboutPermissions.css)
+  skin/classic/browser/preferences/alwaysAsk.png                      (preferences/alwaysAsk.png)
+  skin/classic/browser/preferences/mail.png                           (preferences/mail.png)
+  skin/classic/browser/preferences/Options.png                        (preferences/Options.png)
 #ifdef MOZ_SERVICES_SYNC
-  skin/classic/browser/preferences/Options-sync.png   (preferences/Options-sync.png)
+  skin/classic/browser/preferences/Options-sync.png                   (preferences/Options-sync.png)
 #endif
-* skin/classic/browser/preferences/preferences.css    (preferences/preferences.css)
-  skin/classic/browser/preferences/applications.css   (preferences/applications.css)
+* skin/classic/browser/preferences/preferences.css                    (preferences/preferences.css)
+  skin/classic/browser/preferences/applications.css                   (preferences/applications.css)
 #ifdef MOZ_BROWSER_STATUSBAR
-  skin/classic/browser/statusbar/dynamic.css                   (../shared/statusbar/dynamic.css)
-* skin/classic/browser/statusbar/overlay.css                   (statusbar/overlay.css)
-* skin/classic/browser/statusbar/prefs.css                     (statusbar/prefs.css)
-  skin/classic/browser/statusbar/pulse.png                     (../shared/statusbar/pulse.png)
-  skin/classic/browser/statusbar/pms16.png                     (../shared/statusbar/pms16.png)
-  skin/classic/browser/statusbar/pms24.png                     (../shared/statusbar/pms24.png)
-  skin/classic/browser/statusbar/throbber-idle.png             (../shared/statusbar/throbber-idle.png)
-  skin/classic/browser/statusbar/throbberStatic.png            (../shared/statusbar/throbberStatic.png)
+  skin/classic/browser/statusbar/dynamic.css                          (../shared/statusbar/dynamic.css)
+* skin/classic/browser/statusbar/overlay.css                          (statusbar/overlay.css)
+* skin/classic/browser/statusbar/prefs.css                            (statusbar/prefs.css)
+  skin/classic/browser/statusbar/pulse.png                            (../shared/statusbar/pulse.png)
+  skin/classic/browser/statusbar/pms16.png                            (../shared/statusbar/pms16.png)
+  skin/classic/browser/statusbar/pms24.png                            (../shared/statusbar/pms24.png)
+  skin/classic/browser/statusbar/throbber-idle.png                    (../shared/statusbar/throbber-idle.png)
+  skin/classic/browser/statusbar/throbberStatic.png                   (../shared/statusbar/throbberStatic.png)
 #endif
-  skin/classic/browser/tabbrowser/alltabs.png         (tabbrowser/alltabs.png)
-  skin/classic/browser/tabbrowser/connecting.png      (tabbrowser/connecting.png)
-  skin/classic/browser/tabbrowser/loading.png         (tabbrowser/loading.png)
-  skin/classic/browser/tabbrowser/tab.png             (tabbrowser/tab.png)
-  skin/classic/browser/tabbrowser/tab-overflow-border.png (tabbrowser/tab-overflow-border.png)
-  skin/classic/browser/tabbrowser/tabDragIndicator.png (tabbrowser/tabDragIndicator.png)
+  skin/classic/browser/tabbrowser/alltabs.png                         (tabbrowser/alltabs.png)
+  skin/classic/browser/tabbrowser/connecting.png                      (tabbrowser/connecting.png)
+  skin/classic/browser/tabbrowser/loading.png                         (tabbrowser/loading.png)
+  skin/classic/browser/tabbrowser/tab.png                             (tabbrowser/tab.png)
+  skin/classic/browser/tabbrowser/tab-overflow-border.png             (tabbrowser/tab-overflow-border.png)
+  skin/classic/browser/tabbrowser/tabDragIndicator.png                (tabbrowser/tabDragIndicator.png)
+  skin/classic/browser/tabbrowser/tab-audio.svg                       (../shared/tabbrowser/tab-audio.svg)
+  skin/classic/browser/tabbrowser/tab-audio-small.svg                 (../shared/tabbrowser/tab-audio-small.svg)
 #ifdef MOZ_SERVICES_SYNC
   skin/classic/browser/sync-16-throbber.png
   skin/classic/browser/sync-16.png
@@ -137,6 +139,6 @@ browser.jar:
   skin/classic/browser/syncQuota.css
   skin/classic/browser/syncProgress.css
 #endif
-  skin/classic/browser/notification-pluginNormal.png  (../shared/plugins/notification-pluginNormal.png)
-  skin/classic/browser/notification-pluginAlert.png   (../shared/plugins/notification-pluginAlert.png)
-  skin/classic/browser/notification-pluginBlocked.png (../shared/plugins/notification-pluginBlocked.png)
+  skin/classic/browser/notification-pluginNormal.png                  (../shared/plugins/notification-pluginNormal.png)
+  skin/classic/browser/notification-pluginAlert.png                   (../shared/plugins/notification-pluginAlert.png)
+  skin/classic/browser/notification-pluginBlocked.png                 (../shared/plugins/notification-pluginBlocked.png)
diff --git a/application/palemoon/themes/moz.build b/application/palemoon/themes/moz.build
index d82bda3ef..5040c10c1 100644
--- a/application/palemoon/themes/moz.build
+++ b/application/palemoon/themes/moz.build
@@ -12,4 +12,3 @@ elif toolkit in ('gtk2', 'gtk3', 'qt'):
     DIRS += ['linux']
 else:
     DIRS += ['windows']
-    
diff --git a/application/palemoon/themes/osx/browser.css b/application/palemoon/themes/osx/browser.css
index 97073b161..6d0d92015 100644
--- a/application/palemoon/themes/osx/browser.css
+++ b/application/palemoon/themes/osx/browser.css
@@ -1601,12 +1601,6 @@ richlistitem[type~="action"][actiontype="switchtab"][selected="true"] > .ac-url-
     -moz-padding-start: 0px;
 }
 
-.browserContainer > findbar {
-  background-color: -moz-dialog;
-  color: -moz-DialogText;
-  text-shadow: none;
-}
-
 /* ::::: throbber ::::: */
 
 #navigator-throbber {
@@ -1636,6 +1630,17 @@ richlistitem[type~="action"][actiontype="switchtab"][selected="true"] > .ac-url-
     background-image: linear-gradient(to top, @toolbarShadowColor@ 1px, rgba(0,0,0,.05) 1px, transparent 50%);
 }
 
+/* When the tab bar is collapsed, show a 1px border in its place. */
+#TabsToolbar[tabsontop="false"][collapsed="true"] {
+  visibility: visible;
+  height: 1px;
+  border-bottom-width: 1px;
+  /* !important here to override border-style: none on the toolbar */
+  border-bottom-style: solid !important;
+  border-bottom-color: ThreeDShadow;
+  overflow: hidden;
+}
+
 @media (-moz-mac-lion-theme) {
     #main-window[sizemode=normal] #TabsToolbar {
         padding-left: 2px;
@@ -1827,6 +1832,90 @@ richlistitem[type~="action"][actiontype="switchtab"][selected="true"] > .ac-url-
     }
 }
   
+/* Tab sound indicator */
+.tab-icon-sound {
+  -moz-margin-start: 4px;
+  width: 16px;
+  height: 16px;
+  padding: 0;
+}
+
+.allTabs-endimage[soundplaying],
+.tab-icon-sound[soundplaying] {
+  list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio.svg#tab-audio");
+}
+
+.allTabs-endimage[muted],
+.tab-icon-sound[muted] {
+  list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio.svg#tab-audio-muted");
+}
+
+.allTabs-endimage[blocked],
+.tab-icon-sound[blocked] {
+  list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio.svg#tab-audio-blocked");
+}
+
+#TabsToolbar:-moz-lwtheme-brighttext .tab-icon-sound[soundplaying],
+#TabsToolbar:-moz-lwtheme-brighttext .tab-icon-sound[blocked],
+#TabsToolbar:-moz-lwtheme-brighttext .tab-icon-sound[muted] {
+  filter: invert(1);
+}
+
+.tab-icon-sound[soundplaying-scheduledremoval]:not([muted]):not(:hover),
+.tab-icon-overlay[soundplaying-scheduledremoval]:not([muted]):not(:hover) {
+  transition: opacity .3s linear var(--soundplaying-removal-delay);
+  opacity: 0;
+}
+
+/* Tab icon overlay */
+.tab-icon-overlay {
+  width: 16px;
+  height: 16px;
+  margin-top: -8px;
+  margin-inline-start: -15px;
+  margin-inline-end: -1px;
+  position: relative;
+}
+
+.tab-icon-overlay[soundplaying],
+.tab-icon-overlay[muted]:not([crashed]),
+.tab-icon-overlay[blocked]:not([crashed]) {
+  border-radius: 10px;
+}
+
+.tab-icon-overlay[soundplaying]:hover,
+.tab-icon-overlay[muted]:not([crashed]):hover,
+.tab-icon-overlay[blocked]:not([crashed]):hover {
+  background-color: white;
+}
+
+.tab-icon-overlay[soundplaying] {
+  list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio-small.svg#tab-audio");
+}
+
+.tab-icon-overlay[muted] {
+  list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio-small.svg#tab-audio-muted");
+}
+
+.tab-icon-overlay[blocked] {
+  list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio-small.svg#tab-audio-blocked");
+}
+
+#TabsToolbar:-moz-lwtheme-brighttext .tab-icon-overlay[soundplaying]:not([selected]):not(:hover),
+.tab-icon-overlay[soundplaying][selected]:-moz-lwtheme-brighttext:not(:hover) {
+  list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio-small.svg#tab-audio-white");
+}
+
+#TabsToolbar:-moz-lwtheme-brighttext .tab-icon-overlay[muted]:not([crashed]):not([selected]):not(:hover),
+.tab-icon-overlay[muted][selected]:-moz-lwtheme-brighttext:not(:hover) {
+  list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio-small.svg#tab-audio-white-muted");
+}
+
+#TabsToolbar:-moz-lwtheme-brighttext .tab-icon-overlay[blocked]:not([crashed]):not([selected]):not(:hover),
+.tab-icon-overlay[blocked][selected]:-moz-lwtheme-brighttext:not(:hover) {
+  list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio-small.svg#tab-audio-white-blocked");
+}
+
 /* Tab scrollbox arrow, tabstrip new tab and all-tabs buttons */
 
 .tabbrowser-arrowscrollbox > .scrollbutton-up,
diff --git a/application/palemoon/themes/osx/communicator/jar.mn b/application/palemoon/themes/osx/communicator/jar.mn
index dfd20c523..612d13335 100644
--- a/application/palemoon/themes/osx/communicator/jar.mn
+++ b/application/palemoon/themes/osx/communicator/jar.mn
@@ -4,4 +4,4 @@
 
 browser.jar:
 % skin communicator classic/1.0 %skin/classic/communicator/
-        skin/classic/communicator/communicator.css
+  skin/classic/communicator/communicator.css
diff --git a/application/palemoon/themes/osx/jar.mn b/application/palemoon/themes/osx/jar.mn
index a66563989..c59fb1c72 100644
--- a/application/palemoon/themes/osx/jar.mn
+++ b/application/palemoon/themes/osx/jar.mn
@@ -4,178 +4,180 @@
 
 browser.jar:
 % skin browser classic/1.0 %skin/classic/browser/
-        skin/classic/browser/sanitizeDialog.css
-*       skin/classic/browser/aboutPrivateBrowsing.css
-*       skin/classic/browser/aboutSessionRestore.css
-        skin/classic/browser/aboutSessionRestore-window-icon.png     (preferences/application.png)
-        skin/classic/browser/aboutCertError.css
-        skin/classic/browser/aboutCertError_sectionCollapsed.png
-        skin/classic/browser/aboutCertError_sectionCollapsed-rtl.png
-        skin/classic/browser/aboutCertError_sectionExpanded.png
+  skin/classic/browser/sanitizeDialog.css
+* skin/classic/browser/aboutPrivateBrowsing.css
+* skin/classic/browser/aboutSessionRestore.css
+  skin/classic/browser/aboutSessionRestore-window-icon.png     (preferences/application.png)
+  skin/classic/browser/aboutCertError.css
+  skin/classic/browser/aboutCertError_sectionCollapsed.png
+  skin/classic/browser/aboutCertError_sectionCollapsed-rtl.png
+  skin/classic/browser/aboutCertError_sectionExpanded.png
 #ifdef MOZ_SERVICES_SYNC
-        skin/classic/browser/aboutSyncTabs.css
+  skin/classic/browser/aboutSyncTabs.css
 #endif
-*       skin/classic/browser/autocomplete.css
-        skin/classic/browser/actionicon-tab.png
-        skin/classic/browser/appmenu-icons.png
-        skin/classic/browser/appmenu-dropmarker.png
-*       skin/classic/browser/browser.css
-        skin/classic/browser/click-to-play-warning-stripes.png
-*       skin/classic/browser/engineManager.css
-        skin/classic/browser/Geolocation-16.png
-        skin/classic/browser/Geolocation-64.png
-        skin/classic/browser/Info.png
-        skin/classic/browser/identity.png
-        skin/classic/browser/imagedocument.png 
-        skin/classic/browser/identity-icons-generic.png
-        skin/classic/browser/identity-icons-https.png
-        skin/classic/browser/identity-icons-https-ev.png
-        skin/classic/browser/identity-icons-https-mixed-active.png
-        skin/classic/browser/keyhole-forward-mask.svg
-        skin/classic/browser/KUI-background.png
-        skin/classic/browser/KUI-close.png
-        skin/classic/browser/livemark-folder.png
-        skin/classic/browser/menu-back.png
-        skin/classic/browser/menu-forward.png
-        skin/classic/browser/mixed-content-blocked-16.png
-        skin/classic/browser/mixed-content-blocked-64.png
-        skin/classic/browser/monitor.png
-        skin/classic/browser/monitor_16-10.png
+* skin/classic/browser/autocomplete.css
+  skin/classic/browser/actionicon-tab.png
+  skin/classic/browser/appmenu-icons.png
+  skin/classic/browser/appmenu-dropmarker.png
+* skin/classic/browser/browser.css
+  skin/classic/browser/click-to-play-warning-stripes.png
+* skin/classic/browser/engineManager.css
+  skin/classic/browser/Geolocation-16.png
+  skin/classic/browser/Geolocation-64.png
+  skin/classic/browser/Info.png
+  skin/classic/browser/identity.png
+  skin/classic/browser/imagedocument.png 
+  skin/classic/browser/identity-icons-generic.png
+  skin/classic/browser/identity-icons-https.png
+  skin/classic/browser/identity-icons-https-ev.png
+  skin/classic/browser/identity-icons-https-mixed-active.png
+  skin/classic/browser/keyhole-forward-mask.svg
+  skin/classic/browser/KUI-background.png
+  skin/classic/browser/KUI-close.png
+  skin/classic/browser/livemark-folder.png
+  skin/classic/browser/menu-back.png
+  skin/classic/browser/menu-forward.png
+  skin/classic/browser/mixed-content-blocked-16.png
+  skin/classic/browser/mixed-content-blocked-64.png
+  skin/classic/browser/monitor.png
+  skin/classic/browser/monitor_16-10.png
   skin/classic/browser/panel-expander-closed.png
   skin/classic/browser/panel-expander-closed@2x.png
   skin/classic/browser/panel-expander-open.png
   skin/classic/browser/panel-expander-open@2x.png
   skin/classic/browser/panel-plus-sign.png
-        skin/classic/browser/pageInfo.css
-        skin/classic/browser/pageInfo.png
-        skin/classic/browser/page-livemarks.png
-        skin/classic/browser/page-livemarks@2x.png
-        skin/classic/browser/pointerLock-16.png
-        skin/classic/browser/pointerLock-64.png
-        skin/classic/browser/Privacy-16.png
-        skin/classic/browser/Privacy-32.png
-        skin/classic/browser/Privacy-48.png
+  skin/classic/browser/pageInfo.css
+  skin/classic/browser/pageInfo.png
+  skin/classic/browser/page-livemarks.png
+  skin/classic/browser/page-livemarks@2x.png
+  skin/classic/browser/pointerLock-16.png
+  skin/classic/browser/pointerLock-64.png
+  skin/classic/browser/Privacy-16.png
+  skin/classic/browser/Privacy-32.png
+  skin/classic/browser/Privacy-48.png
   skin/classic/browser/privatebrowsing-mask.png
   skin/classic/browser/privatebrowsing-mask@2x.png
-        skin/classic/browser/privatebrowsing-light.png
-        skin/classic/browser/privatebrowsing-dark.png
-        skin/classic/browser/reload-stop-go.png
-        skin/classic/browser/Search-glass.png
-        skin/classic/browser/searchbar.css
-        skin/classic/browser/searchbar-dropdown-arrow.png
-        skin/classic/browser/Secure24.png
-        skin/classic/browser/setDesktopBackground.css
-        skin/classic/browser/slowStartup-16.png
-        skin/classic/browser/Toolbar.png
-        skin/classic/browser/Toolbar-inverted.png
-        skin/classic/browser/toolbarbutton-dropdown-arrow.png
-        skin/classic/browser/toolbarbutton-dropdown-arrow-inverted.png
-        skin/classic/browser/urlbar-arrow.png
-        skin/classic/browser/urlbar-popup-blocked.png
-        skin/classic/browser/urlbar-history-dropmarker.png
-        skin/classic/browser/web-notifications-icon.svg
-        skin/classic/browser/web-notifications-tray.svg
-        skin/classic/browser/notification-pluginNormal.png           (../shared/plugins/notification-pluginNormal.png)
-        skin/classic/browser/notification-pluginAlert.png            (../shared/plugins/notification-pluginAlert.png)
-        skin/classic/browser/notification-pluginBlocked.png          (../shared/plugins/notification-pluginBlocked.png)
+  skin/classic/browser/privatebrowsing-light.png
+  skin/classic/browser/privatebrowsing-dark.png
+  skin/classic/browser/reload-stop-go.png
+  skin/classic/browser/Search-glass.png
+  skin/classic/browser/searchbar.css
+  skin/classic/browser/searchbar-dropdown-arrow.png
+  skin/classic/browser/Secure24.png
+  skin/classic/browser/setDesktopBackground.css
+  skin/classic/browser/slowStartup-16.png
+  skin/classic/browser/Toolbar.png
+  skin/classic/browser/Toolbar-inverted.png
+  skin/classic/browser/toolbarbutton-dropdown-arrow.png
+  skin/classic/browser/toolbarbutton-dropdown-arrow-inverted.png
+  skin/classic/browser/urlbar-arrow.png
+  skin/classic/browser/urlbar-popup-blocked.png
+  skin/classic/browser/urlbar-history-dropmarker.png
+  skin/classic/browser/web-notifications-icon.svg
+  skin/classic/browser/web-notifications-tray.svg
+  skin/classic/browser/notification-pluginNormal.png                  (../shared/plugins/notification-pluginNormal.png)
+  skin/classic/browser/notification-pluginAlert.png                   (../shared/plugins/notification-pluginAlert.png)
+  skin/classic/browser/notification-pluginBlocked.png                 (../shared/plugins/notification-pluginBlocked.png)
 #ifdef MOZ_WEBRTC
-        skin/classic/browser/webRTC-shareDevice-16.png
-        skin/classic/browser/webRTC-shareDevice-64.png
-        skin/classic/browser/webRTC-sharingDevice-16.png
+  skin/classic/browser/webRTC-shareDevice-16.png
+  skin/classic/browser/webRTC-shareDevice-64.png
+  skin/classic/browser/webRTC-sharingDevice-16.png
 #endif
-        skin/classic/browser/downloads/buttons.png                   (downloads/buttons.png)
-        skin/classic/browser/downloads/download-glow.png             (downloads/download-glow.png)
-        skin/classic/browser/downloads/download-notification-finish.png (downloads/download-notification-finish.png)
-        skin/classic/browser/downloads/download-notification-start.png (downloads/download-notification-start.png)
-        skin/classic/browser/downloads/download-summary.png          (downloads/download-summary.png)
-*       skin/classic/browser/downloads/downloads.css                 (downloads/downloads.css)
-*       skin/classic/browser/downloads/allDownloadsViewOverlay.css   (downloads/allDownloadsViewOverlay.css)
-        skin/classic/browser/downloads/contentAreaDownloadsView.css  (downloads/contentAreaDownloadsView.css)
-        skin/classic/browser/feeds/feedIcon.png                      (feeds/feedIcon.png)
-        skin/classic/browser/feeds/feedIcon16.png                    (feeds/feedIcon16.png)
-        skin/classic/browser/feeds/feed-icons-16.png                 (feeds/feed-icons-16.png)
-        skin/classic/browser/feeds/audioFeedIcon.png                 (feeds/feedIcon.png)
-        skin/classic/browser/feeds/audioFeedIcon16.png               (feeds/feedIcon16.png)
-        skin/classic/browser/feeds/videoFeedIcon.png                 (feeds/feedIcon.png)
-        skin/classic/browser/feeds/videoFeedIcon16.png               (feeds/feedIcon16.png)
-        skin/classic/browser/feeds/subscribe.css                     (feeds/subscribe.css)
-        skin/classic/browser/feeds/subscribe-ui.css                  (feeds/subscribe-ui.css)
-*       skin/classic/browser/newtab/newTab.css                       (newtab/newTab.css)
-        skin/classic/browser/newtab/controls.png                     (../shared/newtab/controls.png)
-        skin/classic/browser/newtab/noise.png                        (../shared/newtab/noise.png)
-        skin/classic/browser/newtab/pinned.png                       (../shared/newtab/pinned.png)
-        skin/classic/browser/places/places.css                       (places/places.css)
-*       skin/classic/browser/places/organizer.css                    (places/organizer.css)
-        skin/classic/browser/places/editBookmark.png                 (places/editBookmark.png)
-        skin/classic/browser/places/bookmark.png                     (places/bookmark.png)
-        skin/classic/browser/places/query.png                        (places/query.png)
-        skin/classic/browser/places/query@2x.png                     (places/query@2x.png)
-        skin/classic/browser/places/bookmarksMenu.png                (places/bookmarksMenu.png)
-        skin/classic/browser/places/bookmarksToolbar.png             (places/bookmarksToolbar.png)
-        skin/classic/browser/places/bookmarksToolbar@2x.png          (places/bookmarksToolbar@2x.png)
-        skin/classic/browser/places/calendar.png                     (places/calendar.png)
-        skin/classic/browser/places/folderDropArrow.png              (places/folderDropArrow.png)
-        skin/classic/browser/places/folderDropArrow@2x.png           (places/folderDropArrow@2x.png)
-        skin/classic/browser/places/toolbarDropMarker.png            (places/toolbarDropMarker.png)
-        skin/classic/browser/places/editBookmarkOverlay.css          (places/editBookmarkOverlay.css)
-        skin/classic/browser/places/libraryToolbar.png               (places/libraryToolbar.png)
-        skin/classic/browser/places/starred48.png                    (places/starred48.png)
-        skin/classic/browser/places/unstarred48.png                  (places/unstarred48.png)
-  skin/classic/browser/places/unfiledBookmarks.png          (places/unfiledBookmarks.png)
-  skin/classic/browser/places/unfiledBookmarks@2x.png       (places/unfiledBookmarks@2x.png)
-        skin/classic/browser/places/tag.png                          (places/tag.png)
-        skin/classic/browser/places/tag@2x.png                       (places/tag@2x.png)
-        skin/classic/browser/places/history.png                      (places/history.png)
-        skin/classic/browser/places/history@2x.png                   (places/history@2x.png)
-        skin/classic/browser/places/allBookmarks.png                 (places/allBookmarks.png)
-        skin/classic/browser/places/unsortedBookmarks.png            (places/unsortedBookmarks.png)
-        skin/classic/browser/places/downloads.png                    (places/downloads.png)
-  skin/classic/browser/places/expander-closed-active.png    (places/expander-closed-active.png)
-  skin/classic/browser/places/expander-open-active.png      (places/expander-open-active.png)
-        skin/classic/browser/places/livemark-item.png                (places/livemark-item.png)
-        skin/classic/browser/places/expander-closed.png              (places/expander-closed.png)
-        skin/classic/browser/places/expander-open.png                (places/expander-open.png)
-        skin/classic/browser/permissions/aboutPermissions.css        (permissions/aboutPermissions.css)
-        skin/classic/browser/preferences/alwaysAsk.png               (preferences/alwaysAsk.png)
-        skin/classic/browser/preferences/application.png             (preferences/application.png)
-        skin/classic/browser/preferences/mail.png                    (preferences/mail.png)
-        skin/classic/browser/preferences/Options.png                 (preferences/Options.png)
+  skin/classic/browser/downloads/buttons.png                          (downloads/buttons.png)
+  skin/classic/browser/downloads/download-glow.png                    (downloads/download-glow.png)
+  skin/classic/browser/downloads/download-notification-finish.png     (downloads/download-notification-finish.png)
+  skin/classic/browser/downloads/download-notification-start.png      (downloads/download-notification-start.png)
+  skin/classic/browser/downloads/download-summary.png                 (downloads/download-summary.png)
+* skin/classic/browser/downloads/downloads.css                        (downloads/downloads.css)
+* skin/classic/browser/downloads/allDownloadsViewOverlay.css          (downloads/allDownloadsViewOverlay.css)
+  skin/classic/browser/downloads/contentAreaDownloadsView.css         (downloads/contentAreaDownloadsView.css)
+  skin/classic/browser/feeds/feedIcon.png                             (feeds/feedIcon.png)
+  skin/classic/browser/feeds/feedIcon16.png                           (feeds/feedIcon16.png)
+  skin/classic/browser/feeds/feed-icons-16.png                        (feeds/feed-icons-16.png)
+  skin/classic/browser/feeds/audioFeedIcon.png                        (feeds/feedIcon.png)
+  skin/classic/browser/feeds/audioFeedIcon16.png                      (feeds/feedIcon16.png)
+  skin/classic/browser/feeds/videoFeedIcon.png                        (feeds/feedIcon.png)
+  skin/classic/browser/feeds/videoFeedIcon16.png                      (feeds/feedIcon16.png)
+  skin/classic/browser/feeds/subscribe.css                            (feeds/subscribe.css)
+  skin/classic/browser/feeds/subscribe-ui.css                         (feeds/subscribe-ui.css)
+* skin/classic/browser/newtab/newTab.css                              (newtab/newTab.css)
+  skin/classic/browser/newtab/controls.png                            (../shared/newtab/controls.png)
+  skin/classic/browser/newtab/noise.png                               (../shared/newtab/noise.png)
+  skin/classic/browser/newtab/pinned.png                              (../shared/newtab/pinned.png)
+  skin/classic/browser/places/places.css                              (places/places.css)
+* skin/classic/browser/places/organizer.css                           (places/organizer.css)
+  skin/classic/browser/places/editBookmark.png                        (places/editBookmark.png)
+  skin/classic/browser/places/bookmark.png                            (places/bookmark.png)
+  skin/classic/browser/places/query.png                               (places/query.png)
+  skin/classic/browser/places/query@2x.png                            (places/query@2x.png)
+  skin/classic/browser/places/bookmarksMenu.png                       (places/bookmarksMenu.png)
+  skin/classic/browser/places/bookmarksToolbar.png                    (places/bookmarksToolbar.png)
+  skin/classic/browser/places/bookmarksToolbar@2x.png                 (places/bookmarksToolbar@2x.png)
+  skin/classic/browser/places/calendar.png                            (places/calendar.png)
+  skin/classic/browser/places/folderDropArrow.png                     (places/folderDropArrow.png)
+  skin/classic/browser/places/folderDropArrow@2x.png                  (places/folderDropArrow@2x.png)
+  skin/classic/browser/places/toolbarDropMarker.png                   (places/toolbarDropMarker.png)
+  skin/classic/browser/places/editBookmarkOverlay.css                 (places/editBookmarkOverlay.css)
+  skin/classic/browser/places/libraryToolbar.png                      (places/libraryToolbar.png)
+  skin/classic/browser/places/starred48.png                           (places/starred48.png)
+  skin/classic/browser/places/unstarred48.png                         (places/unstarred48.png)
+  skin/classic/browser/places/unfiledBookmarks.png                    (places/unfiledBookmarks.png)
+  skin/classic/browser/places/unfiledBookmarks@2x.png                 (places/unfiledBookmarks@2x.png)
+  skin/classic/browser/places/tag.png                                 (places/tag.png)
+  skin/classic/browser/places/tag@2x.png                              (places/tag@2x.png)
+  skin/classic/browser/places/history.png                             (places/history.png)
+  skin/classic/browser/places/history@2x.png                          (places/history@2x.png)
+  skin/classic/browser/places/allBookmarks.png                        (places/allBookmarks.png)
+  skin/classic/browser/places/unsortedBookmarks.png                   (places/unsortedBookmarks.png)
+  skin/classic/browser/places/downloads.png                           (places/downloads.png)
+  skin/classic/browser/places/expander-closed-active.png              (places/expander-closed-active.png)
+  skin/classic/browser/places/expander-open-active.png                (places/expander-open-active.png)
+  skin/classic/browser/places/livemark-item.png                       (places/livemark-item.png)
+  skin/classic/browser/places/expander-closed.png                     (places/expander-closed.png)
+  skin/classic/browser/places/expander-open.png                       (places/expander-open.png)
+  skin/classic/browser/permissions/aboutPermissions.css               (permissions/aboutPermissions.css)
+  skin/classic/browser/preferences/alwaysAsk.png                      (preferences/alwaysAsk.png)
+  skin/classic/browser/preferences/application.png                    (preferences/application.png)
+  skin/classic/browser/preferences/mail.png                           (preferences/mail.png)
+  skin/classic/browser/preferences/Options.png                        (preferences/Options.png)
 #ifdef MOZ_SERVICES_SYNC
-        skin/classic/browser/preferences/Options-sync.png            (preferences/Options-sync.png)
+  skin/classic/browser/preferences/Options-sync.png                   (preferences/Options-sync.png)
 #endif
-        skin/classic/browser/preferences/saveFile.png                (preferences/saveFile.png)
-*       skin/classic/browser/preferences/preferences.css             (preferences/preferences.css)
-        skin/classic/browser/preferences/applications.css            (preferences/applications.css)
+  skin/classic/browser/preferences/saveFile.png                       (preferences/saveFile.png)
+* skin/classic/browser/preferences/preferences.css                    (preferences/preferences.css)
+  skin/classic/browser/preferences/applications.css                   (preferences/applications.css)
 #ifdef MOZ_BROWSER_STATUSBAR
-        skin/classic/browser/statusbar/dynamic.css                   (../shared/statusbar/dynamic.css)
-*       skin/classic/browser/statusbar/overlay.css                   (statusbar/overlay.css)
-*       skin/classic/browser/statusbar/prefs.css                     (statusbar/prefs.css)
-        skin/classic/browser/statusbar/pulse.png                     (../shared/statusbar/pulse.png)
-        skin/classic/browser/statusbar/pms16.png                     (../shared/statusbar/pms16.png)
-        skin/classic/browser/statusbar/pms24.png                     (../shared/statusbar/pms24.png)
-        skin/classic/browser/statusbar/throbber-idle.png             (../shared/statusbar/throbber-idle.png)
-        skin/classic/browser/statusbar/throbberStatic.png            (../shared/statusbar/throbberStatic.png)
+  skin/classic/browser/statusbar/dynamic.css                          (../shared/statusbar/dynamic.css)
+* skin/classic/browser/statusbar/overlay.css                          (statusbar/overlay.css)
+* skin/classic/browser/statusbar/prefs.css                            (statusbar/prefs.css)
+  skin/classic/browser/statusbar/pulse.png                            (../shared/statusbar/pulse.png)
+  skin/classic/browser/statusbar/pms16.png                            (../shared/statusbar/pms16.png)
+  skin/classic/browser/statusbar/pms24.png                            (../shared/statusbar/pms24.png)
+  skin/classic/browser/statusbar/throbber-idle.png                    (../shared/statusbar/throbber-idle.png)
+  skin/classic/browser/statusbar/throbberStatic.png                   (../shared/statusbar/throbberStatic.png)
 #endif
-        skin/classic/browser/tabbrowser/alltabs.png                  (tabbrowser/alltabs.png)
-        skin/classic/browser/tabbrowser/alltabs-inverted.png         (tabbrowser/alltabs-inverted.png)
-        skin/classic/browser/tabbrowser/newtab.png                   (tabbrowser/newtab.png)
-        skin/classic/browser/tabbrowser/newtab-inverted.png          (tabbrowser/newtab-inverted.png)
-        skin/classic/browser/tabbrowser/connecting.png               (tabbrowser/connecting.png)
-        skin/classic/browser/tabbrowser/loading.png                  (tabbrowser/loading.png)
-        skin/classic/browser/tabbrowser/tab-arrow-left.png           (tabbrowser/tab-arrow-left.png)
-        skin/classic/browser/tabbrowser/tab-arrow-left-inverted.png  (tabbrowser/tab-arrow-left-inverted.png)
-        skin/classic/browser/tabbrowser/tab-overflow-border.png      (tabbrowser/tab-overflow-border.png)
-        skin/classic/browser/tabbrowser/tabDragIndicator.png         (tabbrowser/tabDragIndicator.png)
+  skin/classic/browser/tabbrowser/alltabs.png                         (tabbrowser/alltabs.png)
+  skin/classic/browser/tabbrowser/alltabs-inverted.png                (tabbrowser/alltabs-inverted.png)
+  skin/classic/browser/tabbrowser/newtab.png                          (tabbrowser/newtab.png)
+  skin/classic/browser/tabbrowser/newtab-inverted.png                 (tabbrowser/newtab-inverted.png)
+  skin/classic/browser/tabbrowser/connecting.png                      (tabbrowser/connecting.png)
+  skin/classic/browser/tabbrowser/loading.png                         (tabbrowser/loading.png)
+  skin/classic/browser/tabbrowser/tab-arrow-left.png                  (tabbrowser/tab-arrow-left.png)
+  skin/classic/browser/tabbrowser/tab-arrow-left-inverted.png         (tabbrowser/tab-arrow-left-inverted.png)
+  skin/classic/browser/tabbrowser/tab-overflow-border.png             (tabbrowser/tab-overflow-border.png)
+  skin/classic/browser/tabbrowser/tabDragIndicator.png                (tabbrowser/tabDragIndicator.png)
+  skin/classic/browser/tabbrowser/tab-audio.svg                       (../shared/tabbrowser/tab-audio.svg)
+  skin/classic/browser/tabbrowser/tab-audio-small.svg                 (../shared/tabbrowser/tab-audio-small.svg)
 #ifdef MOZ_SERVICES_SYNC
-        skin/classic/browser/sync-throbber.png
-        skin/classic/browser/sync-16.png
-        skin/classic/browser/sync-32.png
-        skin/classic/browser/sync-128.png
-        skin/classic/browser/sync-bg.png
-        skin/classic/browser/sync-desktopIcon.png
-        skin/classic/browser/sync-mobileIcon.png
-        skin/classic/browser/syncSetup.css
-        skin/classic/browser/syncCommon.css
-        skin/classic/browser/syncQuota.css
-        skin/classic/browser/syncProgress.css
+  skin/classic/browser/sync-throbber.png
+  skin/classic/browser/sync-16.png
+  skin/classic/browser/sync-32.png
+  skin/classic/browser/sync-128.png
+  skin/classic/browser/sync-bg.png
+  skin/classic/browser/sync-desktopIcon.png
+  skin/classic/browser/sync-mobileIcon.png
+  skin/classic/browser/syncSetup.css
+  skin/classic/browser/syncCommon.css
+  skin/classic/browser/syncQuota.css
+  skin/classic/browser/syncProgress.css
 #endif
diff --git a/application/palemoon/themes/shared/tabbrowser/tab-audio-small.svg b/application/palemoon/themes/shared/tabbrowser/tab-audio-small.svg
new file mode 100644
index 000000000..abfe71268
--- /dev/null
+++ b/application/palemoon/themes/shared/tabbrowser/tab-audio-small.svg
@@ -0,0 +1,58 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="16" height="16" viewBox="0 0 16 16">
+  <style>
+    .icon:not(:target) {
+      display: none;
+    }
+
+    .icon {
+      fill: #262626;
+    }
+    .icon > .outline {
+      fill: #fff;
+    }
+
+    .icon.white {
+      fill: #fff;
+    }
+    .icon.white > .outline {
+      fill: #000;
+      fill-opacity: .5;
+    }
+  </style>
+
+  <g id="tab-audio" class="icon">
+    <path class="outline" d="M12.4,3.6l-1-0.6l-0.9,2.5H10V1.8c0-0.4-0.5-0.7-0.9-0.4L5.6,5H4C2.9,5,2,5.9,2,7v2c0,1.1,0.9,2,2,2h1.6l3.6,3.6 c0.3,0.3,0.9,0.1,0.9-0.4v-3.7h0.5l0.9,2.5l1-0.6C14,11.5,15,9.8,15,8S14,4.5,12.4,3.6z M9,13l-3-3H4c-0.6,0-1-0.4-1-1V7 c0-0.6,0.4-1,1-1h2l3-3V13z M10,9.5v-3c0.8,0,1.5,0.7,1.5,1.5S10.8,9.5,10,9.5z M11.9,11.5l-0.4-0.9C12.4,10,13,9.1,13,8 s-0.6-2-1.4-2.5l0.3-1C13.2,5.2,14,6.5,14,8S13.2,10.8,11.9,11.5z"/>
+    <path d="M4,6C3.4,6,3,6.4,3,7v2c0,0.6,0.4,1,1,1h2l3,3V3L6,6H4z M10,6.5v3c0.8,0,1.5-0.7,1.5-1.5S10.8,6.5,10,6.5z M11.9,4.5 l-0.4,0.9C12.4,6,13,6.9,13,8s-0.6,2-1.4,2.5l0.4,0.9c1.2-0.7,2.1-2,2.1-3.5S13.2,5.2,11.9,4.5z"/>
+  </g>
+  <g id="tab-audio-muted" class="icon">
+    <path class="outline" d="M5.6,5H4C2.9,5,2,5.9,2,7v2c0,0.7,0.3,1.3,0.9,1.7l-1.8,1.8l2.5,2.5l3-3l2.6,2.6c0.3,0.3,0.9,0.1,0.9-0.4V8.5l3.9-3.9 l-2.5-2.5L10,3.5V1.8c0-0.4-0.5-0.7-0.9-0.4L5.6,5z"/>
+    <path d="M11.5,3.5L9,5.9V3L6,6H4C3.4,6,3,6.4,3,7v2c0,0.6,0.4,1,1,1h0.9l-2.5,2.5l1.1,1.1l9-9L11.5,3.5z M9,13V9.7l-1.7,1.7L9,13z"/>
+  </g>
+
+  <g id="tab-audio-white" class="icon white">
+    <path class="outline" d="M12.4,3.6l-1-0.6l-0.9,2.5H10V1.8c0-0.4-0.5-0.7-0.9-0.4L5.6,5H4C2.9,5,2,5.9,2,7v2c0,1.1,0.9,2,2,2h1.6l3.6,3.6 c0.3,0.3,0.9,0.1,0.9-0.4v-3.7h0.5l0.9,2.5l1-0.6C14,11.5,15,9.8,15,8S14,4.5,12.4,3.6z M9,13l-3-3H4c-0.6,0-1-0.4-1-1V7 c0-0.6,0.4-1,1-1h2l3-3V13z M10,9.5v-3c0.8,0,1.5,0.7,1.5,1.5S10.8,9.5,10,9.5z M11.9,11.5l-0.4-0.9C12.4,10,13,9.1,13,8 s-0.6-2-1.4-2.5l0.3-1C13.2,5.2,14,6.5,14,8S13.2,10.8,11.9,11.5z"/>
+    <path d="M4,6C3.4,6,3,6.4,3,7v2c0,0.6,0.4,1,1,1h2l3,3V3L6,6H4z M10,6.5v3c0.8,0,1.5-0.7,1.5-1.5S10.8,6.5,10,6.5z M11.9,4.5 l-0.4,0.9C12.4,6,13,6.9,13,8s-0.6,2-1.4,2.5l0.4,0.9c1.2-0.7,2.1-2,2.1-3.5S13.2,5.2,11.9,4.5z"/>
+  </g>
+  <g id="tab-audio-white-muted" class="icon white">
+    <path class="outline" d="M5.6,5H4C2.9,5,2,5.9,2,7v2c0,0.7,0.3,1.3,0.9,1.7l-1.8,1.8l2.5,2.5l3-3l2.6,2.6c0.3,0.3,0.9,0.1,0.9-0.4V8.5l3.9-3.9 l-2.5-2.5L10,3.5V1.8c0-0.4-0.5-0.7-0.9-0.4L5.6,5z"/>
+    <path d="M11.5,3.5L9,5.9V3L6,6H4C3.4,6,3,6.4,3,7v2c0,0.6,0.4,1,1,1h0.9l-2.5,2.5l1.1,1.1l9-9L11.5,3.5z M9,13V9.7l-1.7,1.7L9,13z"/>
+  </g>
+
+  <g id="tab-audio-blocked" class="icon">
+    <path class="outline" d="M8,1.2C4.3,1.2,1.2,4.3,1.2,8s3.1,6.8,6.8,6.8s6.8-3.1,6.8-6.8S11.7,1.2,8,1.2z M8,11.9
+      c-2.1,0-3.9-1.7-3.9-3.9c0-2.1,1.7-3.9,3.9-3.9s3.9,1.7,3.9,3.9C11.9,10.1,10.1,11.9,8,11.9z M11.1,7.3L6.6,4.6L5.4,3.9v1.4v5.3V12
+      l1.2-0.7L11,8.6L12.2,8L11.1,7.3z"/>
+    <path d="M8,2C4.7,2,2,4.7,2,8s2.7,6,6,6s6-2.7,6-6S11.3,2,8,2z M8,12.7c-2.6,0-4.7-2.1-4.7-4.7
+      S5.4,3.3,8,3.3s4.7,2.1,4.7,4.7S10.6,12.7,8,12.7z M10.7,8L6.2,5.3v5.4L10.7,8z"/>
+  </g>
+  <g id="tab-audio-white-blocked" class="icon">
+    <path class="outline" d="M8,0c3.3,0,6.4,2.2,7.5,5.3c1.1,3.1,0.1,6.7-2.5,8.9c-2.6,2.1-6.3,2.4-9.2,0.7
+      C1,13.1-0.5,9.8,0.1,6.5C0.9,2.8,4.2,0,8,0z"/>
+    <path d="M8,2C4.7,2,2,4.7,2,8s2.7,6,6,6s6-2.7,6-6S11.3,2,8,2z M8,12.7c-2.6,0-4.7-2.1-4.7-4.7
+      S5.4,3.3,8,3.3s4.7,2.1,4.7,4.7S10.6,12.7,8,12.7z M10.7,8L6.2,5.3v5.4L10.7,8z"/>
+  </g>
+</svg>
diff --git a/application/palemoon/themes/shared/tabbrowser/tab-audio.svg b/application/palemoon/themes/shared/tabbrowser/tab-audio.svg
new file mode 100644
index 000000000..274e10c29
--- /dev/null
+++ b/application/palemoon/themes/shared/tabbrowser/tab-audio.svg
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 16 16">
+  <style>
+    path:not(:target) {
+      display: none;
+    }
+  </style>
+
+  <path id="tab-audio" d="M4,5C2.9,5,2,5.9,2,7v2c0,1.1,0.9,2,2,2h1.2L9,14V2L5.2,5H4z M11,8c0-0.6-0.4-1-1-1v2C10.6,9,11,8.6,11,8z M13,8 c0-1.4-1-2.6-2.3-2.9L10.4,6C11.3,6.2,12,7,12,8s-0.7,1.8-1.6,2l0.4,0.9C12,10.6,13,9.4,13,8z M11.4,3.2l-0.4,0.9 C12.8,4.6,14,6.2,14,8s-1.2,3.4-2.9,3.8l0.4,0.9C13.5,12.2,15,10.3,15,8S13.5,3.8,11.4,3.2z"/>
+
+  <path id="tab-audio-muted" d="M12.5,3.4L9,6.3V2L5.2,5H4C2.9,5,2,5.9,2,7v2c0,0.9,0.6,1.6,1.4,1.9l-1.9,1.5l1,1.2l11-9L12.5,3.4z M9,14v-4l-2.5,2L9,14z"/>
+
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diff --git a/application/palemoon/themes/windows/Toolbar-inverted.png b/application/palemoon/themes/windows/Toolbar-inverted.png
index 2c3253fe8..54d83bf5f 100644
--- a/application/palemoon/themes/windows/Toolbar-inverted.png
+++ b/application/palemoon/themes/windows/Toolbar-inverted.png
diff --git a/application/palemoon/themes/windows/Toolbar-inverted.svg b/application/palemoon/themes/windows/Toolbar-inverted.svg
new file mode 100644
index 000000000..ce59313e6
--- /dev/null
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+       d="M 335.47361,15.091518 V 7.545735 l 3.79578,3.772892 z m -8.85681,1.257631 h 7.59155 l -3.79578,3.772892 z m 6.32629,-1.257631 h -5.06103 c -0.73124,-0.0041 -1.26114,-0.526392 -1.26526,-1.25763 V 8.8033655 c -0.004,-0.7312386 0.53401,-1.2576305 1.26526,-1.2576305 h 5.06103 c 0.73125,0 1.26526,0.5263804 1.26526,1.2576305 v 5.0305225 c 0,0.609375 -0.53402,1.261705 -1.26526,1.25763 z m 0,-3.772891 c 0,-0.73125 -0.53401,-1.257631 -1.26526,-1.257631 h -2.53052 c -0.73125,0 -1.26525,0.526381 -1.26525,1.257631 v 1.25763 c 0,0.73125 0.534,1.257631 1.26525,1.257631 h 2.53052 c 0.73125,0 1.26526,-0.526381 1.26526,-1.257631 z m -2.53052,-8.8034143 3.79578,3.7728917 h -7.59155 z m -5.06103,5.0305223 v 7.545783 l -3.79578,-3.772891 z"
+       id="path9590"
+       style="display:inline;fill:url(#radialGradient4921);fill-opacity:1;stroke-width:1.21875;filter:url(#filter4933)" />
+    <path
+       d="m 274,8 h 10 v 2 h -10 z"
+       id="path10158"
+       style="display:inline;fill:url(#radialGradient4941);fill-opacity:1;stroke-width:0.96615839" />
+    <path
+       d="m 302,10 h -4 v 4 h -2 v -4 h -4 V 8 h 4 V 4 h 2 v 4 h 4 z"
+       id="path10726"
+       style="display:inline;fill:url(#radialGradient4949);fill-opacity:1;stroke-width:0.96615839" />
+    <path
+       transform="matrix(0.79035179,0,0,0.79514606,-0.14216927,3.8570695e-5)"
+       d="m 406.82037,12.583531 c -0.12181,0.73125 -0.24375,1.4625 -0.4875,2.071875 -0.4875,1.584375 -1.4625,3.046875 -3.04686,4.021874 0.4875,0.4875 1.58436,1.096875 1.58436,1.096875 0,0 -2.4375,0.365625 -4.99686,0.365625 l -0.12181,-0.121875 v 0.121875 c -1.21875,0 -2.4375,-0.365625 -3.65625,-0.73125 0.85311,-0.73125 1.4625,-1.584374 1.95,-2.559374 0.73125,-1.4625 0.73125,-3.65625 0.73125,-3.65625 0,0 1.09686,1.828125 1.70625,2.559375 1.4625,-0.73125 2.4375,-2.19375 2.55936,-3.65625 0.12181,-1.096875 -0.24375,-2.071875 -0.73125,-2.8031253 -0.4875,-0.8531251 -1.21875,-1.3406251 -2.07186,-1.7062501 0.24375,-0.4874999 0.60936,-1.0968749 0.975,-1.584375 0.4875,-0.73125 1.09686,-1.21875 1.58436,-1.4625 2.55939,1.340625 4.3875,4.5093751 4.02189,8.0437504 z m -8.53125,-2.4375 c 0,0 -1.34061,-1.8281254 -1.95,-2.4375004 -1.70625,0.853125 -2.68125,2.4375004 -2.68125,4.1437504 0.12181,1.828125 1.34064,3.290625 2.925,4.021875 -0.36561,0.609375 -0.73125,1.21875 -1.21875,1.70625 -0.4875,0.609375 -1.09686,0.974999 -1.4625,1.340624 -2.80311,-1.706249 -4.50936,-4.874999 -4.02186,-8.287499 0.1218,-0.8531253 0.36561,-1.7062504 0.60936,-2.4375004 0.4875,-1.3406249 1.34064,-2.4375 2.55939,-3.290625 0.1218,-0.121875 0.24375,-0.121875 0.36561,-0.24375 -0.4875,-0.4875 -1.95,-0.975 -1.95,-0.975 0,0 3.04689,-0.975 8.2875,-0.365625 -1.58436,2.315625 -1.4625,6.8250004 -1.4625,6.8250004 z"
+       id="path11294"
+       style="display:inline;fill:url(#radialGradient4957);fill-opacity:1;stroke-width:1.21875;filter:url(#filter4969)" />
+    <path
+       transform="matrix(0.79035179,0,0,0.79514606,-0.14216927,3.8570695e-5)"
+       d="m 429.73975,20.187746 -2.55504,0.05558 c -0.48738,0.0106 -0.61242,-0.769541 -0.61242,-1.378916 0,0 0.31966,-4.276424 -3.79578,-8.803414 -3.20233,-3.5225593 -8.85682,-3.7728916 -8.85682,-3.7728916 -0.60938,0 -1.26177,-0.171597 -1.25602,-0.6590635 l 0.028,-2.3732094 c 0.006,-0.4874666 0.61868,-0.7406188 1.22806,-0.7406188 0,0 7.05132,0.3003217 11.38734,5.0305223 3.72704,4.065871 5.06103,11.318675 5.06103,11.318675 0,0.4875 -0.0191,1.310083 -0.62831,1.323336 z M 413.91969,8.8033655 c 0,0 4.48239,0.7421569 7.0114,3.0905195 2.59016,2.40515 3.11068,6.970525 3.11068,6.970525 0,0.4875 -0.7448,1.278471 -1.23236,1.278471 h -1.35283 c -0.4875,0 -1.21059,-0.669096 -1.21059,-1.278471 0,0 0.4472,-2.304652 -1.91012,-4.45401 -1.78736,-1.629677 -4.41618,-1.834143 -4.41618,-1.834143 -0.60938,0 -1.23946,-0.793663 -1.22806,-1.281032 l 0.028,-1.195314 c 0.0114,-0.4873685 0.59073,-1.2965455 1.20011,-1.2965455 z m 1.20944,6.3426395 c 1.34062,0 2.54933,1.124665 2.54933,2.46529 0,1.340626 -1.09688,2.576451 -2.4375,2.576451 -1.34063,0 -2.54933,-1.208035 -2.54933,-2.548661 0,-1.340625 1.09687,-2.49308 2.4375,-2.49308 z"
+       id="path11862"
+       style="display:inline;fill:url(#radialGradient4977);fill-opacity:1;stroke-width:1.21875;filter:url(#filter4989)" />
+    <path
+       transform="matrix(0.79035179,0,0,0.79514606,-0.14216927,3.8570695e-5)"
+       d="m 448.08169,13.833888 v 2.515261 c 0,0.975 -0.41214,1.257631 -1.26525,1.257631 h -10.12208 c -0.85314,0 -1.26526,-0.282631 -1.26526,-1.257631 V 6.2881044 c 0,-0.9750001 0.41212,-1.2576306 1.26526,-1.2576306 h 10.12208 c 0.85311,0 1.26525,0.2826305 1.26525,1.2576306 v 2.5152611 l 5.06104,-2.5152611 V 16.349149 Z"
+       id="path12430"
+       style="display:inline;fill:url(#radialGradient4997);fill-opacity:1;stroke-width:1.21875;filter:url(#filter5009)" />
+    <g
+       transform="matrix(0.79035179,0,0,0.79514606,-0.14216927,3.8570695e-5)"
+       style="display:inline"
+       id="g4779">
+      <path
+         id="bookmarks-star-4"
+         d="M 165.92886,2.5152127 V 20.122041 h 8.85681 1.26526 2.53052 c 1.26526,0 2.53052,-1.257631 2.53052,-2.515261 V 15.091518 7.545735 5.0304738 c 0,-1.2576306 -1.26526,-2.5152611 -2.53052,-2.5152611 h -2.53052 -1.26526 z m 7.59155,2.5152611 1.26526,2.5152612 c 0,0 0.39827,0.9972133 0.68613,1.1930622 0.26974,0.1834496 1.07417,0.064568 1.07417,0.064568 h 3.30074 l -2.53052,3.1379238 c 0,0 -0.38069,0.332603 -0.51773,0.634968 -0.20593,0.452534 -0.18971,0.518683 -0.12151,1.257631 0.10732,1.162403 0.63924,3.772892 0.63924,3.772892 l -2.53052,-1.257631 c 0,0 -0.77873,-0.42944 -1.26526,-0.430166 -0.5721,0 -1.26526,0.430166 -1.26526,0.430166 l -2.53051,1.257631 c 0,0 0.56012,-2.658345 0.73559,-3.772892 0.11606,-0.733074 0.10061,-0.753616 -0.15752,-1.257631 -0.13995,-0.274086 -0.57807,-0.782455 -0.57807,-0.782455 l -2.53052,-2.9904368 h 3.02161 c 0,0 0.91024,-0.099407 1.27135,-0.3263622 0.27408,-0.1711231 0.76807,-0.9312683 0.76807,-0.9312683 z"
+         style="fill:url(#radialGradient4710);fill-opacity:1;stroke-width:1.265625;filter:url(#filter4729)" />
+      <path
+         id="bookmarks-overlay-1"
+         d="m 163.39834,2.5152127 c -1.26526,0 -2.53052,1.2576305 -2.53052,2.5152611 v 2.5152612 7.545783 2.515262 c 0,1.25763 1.26526,2.515261 2.53052,2.515261 h 2.91839 l 0.0559,-4.840061 V 7.6882296 l 0.028,-5.1730169 z"
+         style="fill:url(#radialGradient4712);fill-opacity:1;stroke:none;stroke-width:1.265625;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:0;stroke-opacity:1;paint-order:markers stroke fill;filter:url(#filter4774)" />
+      <path
+         id="bookmarks-divider-7"
+         d="M 165.92886,2.5152127 V 20.122041"
+         style="opacity:0.66300001;fill:url(#radialGradient4714);fill-opacity:1;stroke:url(#radialGradient4750);stroke-width:1.2614392;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
+    </g>
+    <path
+       transform="matrix(0.79035179,0,0,0.79514606,-0.14216927,3.8570695e-5)"
+       style="display:inline;fill:url(#radialGradient4709-1);fill-opacity:1;stroke-width:1;filter:url(#filter4844)"
+       id="path4214-3"
+       d="m 133.03211,35.213608 -6.32629,6.288153 c -0.24,0.36 -0.8202,0.518975 -1.3002,0.518975 -0.48,0 -0.87032,-0.158975 -1.23032,-0.518975 l -6.3263,-6.288153 c -0.6,-0.72 -0.96335,-1.29465 -0.003,-1.287183 l 3.79916,0.02955 -0.0908,-7.535242 c -0.009,-0.719949 0.67572,-1.307177 1.39571,-1.31116 l 5.02367,-0.02779 c 0.71999,-0.004 1.25401,0.619416 1.22796,1.33895 l 0.035,7.535242 3.80499,-0.02955 c 0.95998,-0.0075 0.71078,0.567183 -0.009,1.287183 z" />
+  </g>
+</svg>
diff --git a/application/palemoon/themes/windows/browser.css b/application/palemoon/themes/windows/browser.css
index 1aefa428c..9f32b59cf 100644
--- a/application/palemoon/themes/windows/browser.css
+++ b/application/palemoon/themes/windows/browser.css
@@ -31,6 +31,8 @@
 %endif
 
 :root {
+  --toolbox-after-color: ThreeDShadow;
+
   --toolbar-custom-color: hsl(210,75%,92%);
   --toolbar-highlight-top: rgba(255,255,255,.5);
   --toolbar-highlight-bottom: transparent;
@@ -52,6 +54,15 @@
   --window-text-color: currentColor;
 }
 
+/* Use SVG for HiDPI 133%+ */
+@media (min-resolution: 1.33dppx) {
+  :root {
+    --toolbarbutton-image: url("chrome://browser/skin/Toolbar.svg");
+    --toolbarbutton-glass-image: url("chrome://browser/skin/Toolbar-glass.svg");
+    --toolbarbutton-inverted-image: url("chrome://browser/skin/Toolbar-inverted.svg");
+  }
+}
+
 :root:-moz-lwtheme-brighttext {
   --toolbar-highlight-top: rgba(32,32,32,.8);
   --toolbar-highlight-bottom: rgba(32,32,32,0);
@@ -82,7 +93,7 @@
   display: -moz-box;
   -moz-box-ordinal-group: 101; /* tabs toolbar is 100 */
   height: 1px;
-  background-color: ThreeDShadow;
+  background-color: var(--toolbox-after-color);
 }
 #navigator-toolbox[tabsontop=false]::after,
 #main-window[disablechrome] #navigator-toolbox::after {
@@ -1788,12 +1799,6 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
   -moz-padding-start: 0px;
 }
 
-.browserContainer > findbar {
-  background-color: -moz-dialog;
-  color: -moz-DialogText;
-  text-shadow: none;
-}
-
 /* ::::: throbber ::::: */
 
 #navigator-throbber {
@@ -1838,6 +1843,17 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
   background-image: linear-gradient(to top, @toolbarShadowColor@ 1px, rgba(0,0,0,.05) 1px, transparent 50%);
 }
 
+/* When the tab bar is collapsed, show a 1px border in its place. */
+#TabsToolbar[tabsontop="false"][collapsed="true"] {
+  visibility: visible;
+  height: 1px;
+  border-bottom-width: 1px;
+  /* !important here to override border-style: none on the toolbar */
+  border-bottom-style: solid !important;
+  border-bottom-color: var(--toolbox-after-color);
+  overflow: hidden;
+}
+
 .tabbrowser-tab,
 .tabs-newtab-button {
   -moz-appearance: none;
@@ -2024,6 +2040,90 @@ richlistitem[type~="action"][actiontype="switchtab"] > .ac-url-box > .ac-action-
   list-style-image: url("chrome://global/skin/icons/close-inverted.svg");
 }
 
+/* Tab sound indicator */
+.tab-icon-sound {
+  -moz-margin-start: 4px;
+  width: 16px;
+  height: 16px;
+  padding: 0;
+}
+
+.allTabs-endimage[soundplaying],
+.tab-icon-sound[soundplaying] {
+  list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio.svg#tab-audio");
+}
+
+.allTabs-endimage[muted],
+.tab-icon-sound[muted] {
+  list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio.svg#tab-audio-muted");
+}
+
+.allTabs-endimage[blocked],
+.tab-icon-sound[blocked] {
+  list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio.svg#tab-audio-blocked");
+}
+
+#TabsToolbar:-moz-lwtheme-brighttext .tab-icon-sound[soundplaying],
+#TabsToolbar:-moz-lwtheme-brighttext .tab-icon-sound[blocked],
+#TabsToolbar:-moz-lwtheme-brighttext .tab-icon-sound[muted] {
+  filter: invert(1);
+}
+
+.tab-icon-sound[soundplaying-scheduledremoval]:not([muted]):not(:hover),
+.tab-icon-overlay[soundplaying-scheduledremoval]:not([muted]):not(:hover) {
+  transition: opacity .3s linear var(--soundplaying-removal-delay);
+  opacity: 0;
+}
+
+/* Tab icon overlay */
+.tab-icon-overlay {
+  width: 16px;
+  height: 16px;
+  margin-top: -8px;
+  margin-inline-start: -15px;
+  margin-inline-end: -1px;
+  position: relative;
+}
+
+.tab-icon-overlay[soundplaying],
+.tab-icon-overlay[muted]:not([crashed]),
+.tab-icon-overlay[blocked]:not([crashed]) {
+  border-radius: 10px;
+}
+
+.tab-icon-overlay[soundplaying]:hover,
+.tab-icon-overlay[muted]:not([crashed]):hover,
+.tab-icon-overlay[blocked]:not([crashed]):hover {
+  background-color: white;
+}
+
+.tab-icon-overlay[soundplaying] {
+  list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio-small.svg#tab-audio");
+}
+
+.tab-icon-overlay[muted] {
+  list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio-small.svg#tab-audio-muted");
+}
+
+.tab-icon-overlay[blocked] {
+  list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio-small.svg#tab-audio-blocked");
+}
+
+#TabsToolbar:-moz-lwtheme-brighttext .tab-icon-overlay[soundplaying]:not([selected]):not(:hover),
+.tab-icon-overlay[soundplaying][selected]:-moz-lwtheme-brighttext:not(:hover) {
+  list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio-small.svg#tab-audio-white");
+}
+
+#TabsToolbar:-moz-lwtheme-brighttext .tab-icon-overlay[muted]:not([crashed]):not([selected]):not(:hover),
+.tab-icon-overlay[muted][selected]:-moz-lwtheme-brighttext:not(:hover) {
+  list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio-small.svg#tab-audio-white-muted");
+}
+
+#TabsToolbar:-moz-lwtheme-brighttext .tab-icon-overlay[blocked]:not([crashed]):not([selected]):not(:hover),
+.tab-icon-overlay[blocked][selected]:-moz-lwtheme-brighttext:not(:hover) {
+  list-style-image: url("chrome://browser/skin/tabbrowser/tab-audio-small.svg#tab-audio-white-blocked");
+}
+
 /* Tab scrollbox arrow, tabstrip new tab and all-tabs buttons */
 
 .tabbrowser-arrowscrollbox > .scrollbutton-up,
@@ -2957,8 +3057,8 @@ toolbar[brighttext] #addonbar-closebutton {
   
   @media (-moz-os-version: windows-vista),
          (-moz-os-version: windows-win7) {
-    #navigator-toolbox:not(:-moz-lwtheme)::after {
-      background-color: #aabccf;
+    :root:not(:-moz-lwtheme) {
+      --toolbox-after-color: #aabccf;
     }
   }
 
@@ -2967,9 +3067,9 @@ toolbar[brighttext] #addonbar-closebutton {
     :root {
       --toolbar-custom-color: hsl(210,0%,92%);
     }
-
-    #navigator-toolbox:not(:-moz-lwtheme)::after {
-      background-color: #bcbcbc;
+    
+    :root:not(:-moz-lwtheme) {
+      --toolbox-after-color: #bcbcbc;
     }
   }
  
diff --git a/application/palemoon/themes/windows/communicator/jar.mn b/application/palemoon/themes/windows/communicator/jar.mn
index dfd20c523..612d13335 100644
--- a/application/palemoon/themes/windows/communicator/jar.mn
+++ b/application/palemoon/themes/windows/communicator/jar.mn
@@ -4,4 +4,4 @@
 
 browser.jar:
 % skin communicator classic/1.0 %skin/classic/communicator/
-        skin/classic/communicator/communicator.css
+  skin/classic/communicator/communicator.css
diff --git a/application/palemoon/themes/windows/downloads/download-glow.png b/application/palemoon/themes/windows/downloads/download-glow.png
deleted file mode 100644
index 53182d7a4..000000000
--- a/application/palemoon/themes/windows/downloads/download-glow.png
+++ /dev/null
diff --git a/application/palemoon/themes/windows/downloads/downloads.css b/application/palemoon/themes/windows/downloads/downloads.css
index 91ea652ed..f16989655 100644
--- a/application/palemoon/themes/windows/downloads/downloads.css
+++ b/application/palemoon/themes/windows/downloads/downloads.css
@@ -326,6 +326,11 @@ toolbar[brighttext] #downloads-indicator-icon {
                               0, 108, 18, 90) center no-repeat;
 }
 
+#downloads-indicator[attention] > #downloads-indicator-anchor > #downloads-indicator-icon {
+  background: -moz-image-rect(var(--toolbarbutton-image),
+                                19, 108, 36, 90) center no-repeat;
+}
+
 @media (-moz-windows-compositor) {
   :-moz-any(#toolbar-menubar, #nav-bar[tabsontop=false]) #downloads-indicator-icon:not(:-moz-lwtheme),
   #TabsToolbar[tabsontop=true] #downloads-indicator-icon:not(:-moz-lwtheme),
@@ -333,10 +338,12 @@ toolbar[brighttext] #downloads-indicator-icon {
     background: -moz-image-rect(var(--toolbarbutton-glass-image),
                                 0, 108, 18, 90) center no-repeat;
   }
+  #downloads-indicator[attention] > #downloads-indicator-anchor > #downloads-indicator-icon {
+    background: -moz-image-rect(var(--toolbarbutton-glass-image),
+                                19, 108, 36, 90) center no-repeat;
 }
 
-#downloads-indicator[attention] > #downloads-indicator-anchor > #downloads-indicator-icon {
-  background-image: url("chrome://browser/skin/downloads/download-glow.png");
+
 }
 
 /* In the next few rules, we use :not([counter]) as a shortcut that is
@@ -360,10 +367,10 @@ toolbar[brighttext] #downloads-indicator:not([counter]) > #downloads-indicator-a
     background: -moz-image-rect(var(--toolbarbutton-glass-image),
                                 0, 108, 18, 90) center no-repeat;
   }
-}
-
-#downloads-indicator:not([counter])[attention] > #downloads-indicator-anchor > #downloads-indicator-progress-area > #downloads-indicator-counter {
-  background-image: url("chrome://browser/skin/downloads/download-glow.png");
+  #downloads-indicator:not([counter])[attention] > #downloads-indicator-anchor > #downloads-indicator-progress-area > #downloads-indicator-counter {
+    background: -moz-image-rect(var(--toolbarbutton-glass-image),
+                                19, 108, 36, 90) center no-repeat;
+  }
 }
 
 /*** Download notifications ***/
diff --git a/application/palemoon/themes/windows/jar.mn b/application/palemoon/themes/windows/jar.mn
index 0a4342d40..604466c9f 100644
--- a/application/palemoon/themes/windows/jar.mn
+++ b/application/palemoon/themes/windows/jar.mn
@@ -4,163 +4,167 @@
 
 browser.jar:
 % skin browser classic/1.0 %skin/classic/browser/
-        skin/classic/browser/sanitizeDialog.css
-*       skin/classic/browser/aboutPrivateBrowsing.css
-*       skin/classic/browser/aboutSessionRestore.css
-        skin/classic/browser/aboutSessionRestore-window-icon.png
-        skin/classic/browser/aboutCertError.css
-        skin/classic/browser/aboutCertError_sectionCollapsed.png
-        skin/classic/browser/aboutCertError_sectionCollapsed-rtl.png
-        skin/classic/browser/aboutCertError_sectionExpanded.png
+  skin/classic/browser/sanitizeDialog.css
+* skin/classic/browser/aboutPrivateBrowsing.css
+* skin/classic/browser/aboutSessionRestore.css
+  skin/classic/browser/aboutSessionRestore-window-icon.png
+  skin/classic/browser/aboutCertError.css
+  skin/classic/browser/aboutCertError_sectionCollapsed.png
+  skin/classic/browser/aboutCertError_sectionCollapsed-rtl.png
+  skin/classic/browser/aboutCertError_sectionExpanded.png
 #ifdef MOZ_SERVICES_SYNC
-        skin/classic/browser/aboutSyncTabs.css
+  skin/classic/browser/aboutSyncTabs.css
 #endif
-*       skin/classic/browser/autocomplete.css
-        skin/classic/browser/actionicon-tab.png
-        skin/classic/browser/appmenu-icons.png
-        skin/classic/browser/appmenu-dropmarker.png
-*       skin/classic/browser/browser.css
-        skin/classic/browser/caption-buttons.svg
-        skin/classic/browser/click-to-play-warning-stripes.png
-*       skin/classic/browser/engineManager.css
-        skin/classic/browser/Geolocation-16.png
-        skin/classic/browser/Geolocation-64.png
-        skin/classic/browser/Info.png
-        skin/classic/browser/identity.png
-        skin/classic/browser/imagedocument.png					
-        skin/classic/browser/identity-icons-generic.png
-        skin/classic/browser/identity-icons-https.png
-        skin/classic/browser/identity-icons-https-ev.png
-        skin/classic/browser/identity-icons-https-mixed-active.png
-        skin/classic/browser/keyhole-forward-mask.svg
-        skin/classic/browser/KUI-background.png
-        skin/classic/browser/KUI-close.png
-        skin/classic/browser/livemark-folder.png
-        skin/classic/browser/menu-back.png
-        skin/classic/browser/menu-forward.png
-        skin/classic/browser/mixed-content-blocked-16.png
-        skin/classic/browser/mixed-content-blocked-64.png
-        skin/classic/browser/monitor.png
-        skin/classic/browser/monitor_16-10.png
-        skin/classic/browser/pageInfo.css
-        skin/classic/browser/pageInfo.png
-        skin/classic/browser/page-livemarks.png                      (feeds/feedIcon16.png)
-        skin/classic/browser/pointerLock-16.png
-        skin/classic/browser/pointerLock-64.png
-        skin/classic/browser/Privacy-16.png
-        skin/classic/browser/Privacy-32.png
-        skin/classic/browser/Privacy-48.png
-        skin/classic/browser/Privacy-64.png
-        skin/classic/browser/privatebrowsing-light.png
-        skin/classic/browser/privatebrowsing-dark.png
-        skin/classic/browser/reload-stop-go.png
-        skin/classic/browser/sanitize.png
-        skin/classic/browser/searchbar.css
-        skin/classic/browser/searchbar-dropdown-arrow.png
-        skin/classic/browser/Secure24.png
-        skin/classic/browser/setDesktopBackground.css
-        skin/classic/browser/slowStartup-16.png
-        skin/classic/browser/Toolbar.png
-        skin/classic/browser/Toolbar-glass.png
-        skin/classic/browser/Toolbar-inverted.png
-        skin/classic/browser/toolbarbutton-dropdown-arrow.png
-        skin/classic/browser/toolbarbutton-dropdown-arrow-inverted.png
-        skin/classic/browser/urlbar-arrow.png
-        skin/classic/browser/urlbar-popup-blocked.png
-        skin/classic/browser/urlbar-history-dropmarker.png
-        skin/classic/browser/web-notifications-icon.svg
-        skin/classic/browser/web-notifications-tray.svg
-        skin/classic/browser/notification-pluginNormal.png           (../shared/plugins/notification-pluginNormal.png)
-        skin/classic/browser/notification-pluginAlert.png            (../shared/plugins/notification-pluginAlert.png)
-        skin/classic/browser/notification-pluginBlocked.png          (../shared/plugins/notification-pluginBlocked.png)
+* skin/classic/browser/autocomplete.css
+  skin/classic/browser/actionicon-tab.png
+  skin/classic/browser/appmenu-icons.png
+  skin/classic/browser/appmenu-dropmarker.png
+* skin/classic/browser/browser.css
+  skin/classic/browser/caption-buttons.svg
+  skin/classic/browser/click-to-play-warning-stripes.png
+* skin/classic/browser/engineManager.css
+  skin/classic/browser/Geolocation-16.png
+  skin/classic/browser/Geolocation-64.png
+  skin/classic/browser/Info.png
+  skin/classic/browser/identity.png
+  skin/classic/browser/imagedocument.png					
+  skin/classic/browser/identity-icons-generic.png
+  skin/classic/browser/identity-icons-https.png
+  skin/classic/browser/identity-icons-https-ev.png
+  skin/classic/browser/identity-icons-https-mixed-active.png
+  skin/classic/browser/keyhole-forward-mask.svg
+  skin/classic/browser/KUI-background.png
+  skin/classic/browser/KUI-close.png
+  skin/classic/browser/livemark-folder.png
+  skin/classic/browser/menu-back.png
+  skin/classic/browser/menu-forward.png
+  skin/classic/browser/mixed-content-blocked-16.png
+  skin/classic/browser/mixed-content-blocked-64.png
+  skin/classic/browser/monitor.png
+  skin/classic/browser/monitor_16-10.png
+  skin/classic/browser/pageInfo.css
+  skin/classic/browser/pageInfo.png
+  skin/classic/browser/page-livemarks.png                             (feeds/feedIcon16.png)
+  skin/classic/browser/pointerLock-16.png
+  skin/classic/browser/pointerLock-64.png
+  skin/classic/browser/Privacy-16.png
+  skin/classic/browser/Privacy-32.png
+  skin/classic/browser/Privacy-48.png
+  skin/classic/browser/Privacy-64.png
+  skin/classic/browser/privatebrowsing-light.png
+  skin/classic/browser/privatebrowsing-dark.png
+  skin/classic/browser/reload-stop-go.png
+  skin/classic/browser/sanitize.png
+  skin/classic/browser/searchbar.css
+  skin/classic/browser/searchbar-dropdown-arrow.png
+  skin/classic/browser/Secure24.png
+  skin/classic/browser/setDesktopBackground.css
+  skin/classic/browser/slowStartup-16.png
+  skin/classic/browser/Toolbar.png
+  skin/classic/browser/Toolbar-glass.png
+  skin/classic/browser/Toolbar-inverted.png
+  skin/classic/browser/Toolbar.svg
+  skin/classic/browser/Toolbar-glass.svg
+  skin/classic/browser/Toolbar-inverted.svg
+  skin/classic/browser/toolbarbutton-dropdown-arrow.png
+  skin/classic/browser/toolbarbutton-dropdown-arrow-inverted.png
+  skin/classic/browser/urlbar-arrow.png
+  skin/classic/browser/urlbar-popup-blocked.png
+  skin/classic/browser/urlbar-history-dropmarker.png
+  skin/classic/browser/web-notifications-icon.svg
+  skin/classic/browser/web-notifications-tray.svg
+  skin/classic/browser/notification-pluginNormal.png                  (../shared/plugins/notification-pluginNormal.png)
+  skin/classic/browser/notification-pluginAlert.png                   (../shared/plugins/notification-pluginAlert.png)
+  skin/classic/browser/notification-pluginBlocked.png                 (../shared/plugins/notification-pluginBlocked.png)
 #ifdef MOZ_WEBRTC
-        skin/classic/browser/webRTC-shareDevice-16.png
-        skin/classic/browser/webRTC-shareDevice-64.png
-        skin/classic/browser/webRTC-sharingDevice-16.png
+  skin/classic/browser/webRTC-shareDevice-16.png
+  skin/classic/browser/webRTC-shareDevice-64.png
+  skin/classic/browser/webRTC-sharingDevice-16.png
 #endif
-        skin/classic/browser/downloads/buttons.png                   (downloads/buttons.png)
-        skin/classic/browser/downloads/download-glow.png             (downloads/download-glow.png)
-        skin/classic/browser/downloads/download-notification-finish.png (downloads/download-notification-finish.png)
-        skin/classic/browser/downloads/download-notification-start.png (downloads/download-notification-start.png)
-        skin/classic/browser/downloads/download-summary.png          (downloads/download-summary.png)
-        skin/classic/browser/downloads/downloads.css                 (downloads/downloads.css)
-        skin/classic/browser/downloads/allDownloadsViewOverlay.css   (downloads/allDownloadsViewOverlay.css)
-        skin/classic/browser/downloads/contentAreaDownloadsView.css  (downloads/contentAreaDownloadsView.css)
-        skin/classic/browser/feeds/feedIcon.png                      (feeds/feedIcon.png)
-        skin/classic/browser/feeds/feedIcon16.png                    (feeds/feedIcon16.png)
-        skin/classic/browser/feeds/videoFeedIcon.png                 (feeds/feedIcon.png)
-        skin/classic/browser/feeds/videoFeedIcon16.png               (feeds/feedIcon16.png)
-        skin/classic/browser/feeds/audioFeedIcon.png                 (feeds/feedIcon.png)
-        skin/classic/browser/feeds/audioFeedIcon16.png               (feeds/feedIcon16.png)
-        skin/classic/browser/feeds/feed-icons-16.png                 (feeds/feed-icons-16.png)
-        skin/classic/browser/feeds/subscribe.css                     (feeds/subscribe.css)
-        skin/classic/browser/feeds/subscribe-ui.css                  (feeds/subscribe-ui.css)
-*       skin/classic/browser/newtab/newTab.css                       (newtab/newTab.css)
-        skin/classic/browser/newtab/controls.png                     (../shared/newtab/controls.png)
-        skin/classic/browser/newtab/noise.png                        (../shared/newtab/noise.png)
-        skin/classic/browser/newtab/pinned.png                       (../shared/newtab/pinned.png)
-        skin/classic/browser/places/places.css                       (places/places.css)
-*       skin/classic/browser/places/organizer.css                    (places/organizer.css)
-        skin/classic/browser/places/editBookmark.png                 (places/editBookmark.png)
-        skin/classic/browser/places/bookmark.png                     (places/bookmark.png)
-        skin/classic/browser/places/query.png                        (places/query.png)
-        skin/classic/browser/places/bookmarksMenu.png                (places/bookmarksMenu.png)
-        skin/classic/browser/places/bookmarksToolbar.png             (places/bookmarksToolbar.png)
-        skin/classic/browser/places/calendar.png                     (places/calendar.png)
-        skin/classic/browser/places/toolbarDropMarker.png            (places/toolbarDropMarker.png)
-        skin/classic/browser/places/editBookmarkOverlay.css          (places/editBookmarkOverlay.css)
-        skin/classic/browser/places/libraryToolbar.png               (places/libraryToolbar.png)
-        skin/classic/browser/places/starred48.png                    (places/starred48.png)
-        skin/classic/browser/places/unstarred48.png                  (places/unstarred48.png)
-        skin/classic/browser/places/tag.png                          (places/tag.png)
-        skin/classic/browser/places/history.png                      (places/history.png)
-        skin/classic/browser/places/allBookmarks.png                 (places/allBookmarks.png)
-        skin/classic/browser/places/unsortedBookmarks.png            (places/unsortedBookmarks.png)
-        skin/classic/browser/places/downloads.png                    (places/downloads.png)
-        skin/classic/browser/places/livemark-item.png                (places/livemark-item.png)
-        skin/classic/browser/permissions/aboutPermissions.css        (permissions/aboutPermissions.css)
-        skin/classic/browser/preferences/alwaysAsk.png               (preferences/alwaysAsk.png)
-        skin/classic/browser/preferences/application.png             (preferences/application.png)
-        skin/classic/browser/preferences/mail.png                    (preferences/mail.png)
-        skin/classic/browser/preferences/Options.png                 (preferences/Options.png)
+  skin/classic/browser/downloads/buttons.png                          (downloads/buttons.png)
+  skin/classic/browser/downloads/download-notification-finish.png     (downloads/download-notification-finish.png)
+  skin/classic/browser/downloads/download-notification-start.png      (downloads/download-notification-start.png)
+  skin/classic/browser/downloads/download-summary.png                 (downloads/download-summary.png)
+  skin/classic/browser/downloads/downloads.css                        (downloads/downloads.css)
+  skin/classic/browser/downloads/allDownloadsViewOverlay.css          (downloads/allDownloadsViewOverlay.css)
+  skin/classic/browser/downloads/contentAreaDownloadsView.css         (downloads/contentAreaDownloadsView.css)
+  skin/classic/browser/feeds/feedIcon.png                             (feeds/feedIcon.png)
+  skin/classic/browser/feeds/feedIcon16.png                           (feeds/feedIcon16.png)
+  skin/classic/browser/feeds/videoFeedIcon.png                        (feeds/feedIcon.png)
+  skin/classic/browser/feeds/videoFeedIcon16.png                      (feeds/feedIcon16.png)
+  skin/classic/browser/feeds/audioFeedIcon.png                        (feeds/feedIcon.png)
+  skin/classic/browser/feeds/audioFeedIcon16.png                      (feeds/feedIcon16.png)
+  skin/classic/browser/feeds/feed-icons-16.png                        (feeds/feed-icons-16.png)
+  skin/classic/browser/feeds/subscribe.css                            (feeds/subscribe.css)
+  skin/classic/browser/feeds/subscribe-ui.css                         (feeds/subscribe-ui.css)
+* skin/classic/browser/newtab/newTab.css                              (newtab/newTab.css)
+  skin/classic/browser/newtab/controls.png                            (../shared/newtab/controls.png)
+  skin/classic/browser/newtab/noise.png                               (../shared/newtab/noise.png)
+  skin/classic/browser/newtab/pinned.png                              (../shared/newtab/pinned.png)
+  skin/classic/browser/places/places.css                              (places/places.css)
+* skin/classic/browser/places/organizer.css                           (places/organizer.css)
+  skin/classic/browser/places/editBookmark.png                        (places/editBookmark.png)
+  skin/classic/browser/places/bookmark.png                            (places/bookmark.png)
+  skin/classic/browser/places/query.png                               (places/query.png)
+  skin/classic/browser/places/bookmarksMenu.png                       (places/bookmarksMenu.png)
+  skin/classic/browser/places/bookmarksToolbar.png                    (places/bookmarksToolbar.png)
+  skin/classic/browser/places/calendar.png                            (places/calendar.png)
+  skin/classic/browser/places/toolbarDropMarker.png                   (places/toolbarDropMarker.png)
+  skin/classic/browser/places/editBookmarkOverlay.css                 (places/editBookmarkOverlay.css)
+  skin/classic/browser/places/libraryToolbar.png                      (places/libraryToolbar.png)
+  skin/classic/browser/places/starred48.png                           (places/starred48.png)
+  skin/classic/browser/places/unstarred48.png                         (places/unstarred48.png)
+  skin/classic/browser/places/tag.png                                 (places/tag.png)
+  skin/classic/browser/places/history.png                             (places/history.png)
+  skin/classic/browser/places/allBookmarks.png                        (places/allBookmarks.png)
+  skin/classic/browser/places/unsortedBookmarks.png                   (places/unsortedBookmarks.png)
+  skin/classic/browser/places/downloads.png                           (places/downloads.png)
+  skin/classic/browser/places/livemark-item.png                       (places/livemark-item.png)
+  skin/classic/browser/permissions/aboutPermissions.css               (permissions/aboutPermissions.css)
+  skin/classic/browser/preferences/alwaysAsk.png                      (preferences/alwaysAsk.png)
+  skin/classic/browser/preferences/application.png                    (preferences/application.png)
+  skin/classic/browser/preferences/mail.png                           (preferences/mail.png)
+  skin/classic/browser/preferences/Options.png                        (preferences/Options.png)
 #ifdef MOZ_SERVICES_SYNC
-        skin/classic/browser/preferences/Options-sync.png            (preferences/Options-sync.png)
+  skin/classic/browser/preferences/Options-sync.png                   (preferences/Options-sync.png)
 #endif
-        skin/classic/browser/preferences/saveFile.png                (preferences/saveFile.png)
-*       skin/classic/browser/preferences/preferences.css             (preferences/preferences.css)
-        skin/classic/browser/preferences/applications.css            (preferences/applications.css)
+  skin/classic/browser/preferences/saveFile.png                       (preferences/saveFile.png)
+* skin/classic/browser/preferences/preferences.css                    (preferences/preferences.css)
+  skin/classic/browser/preferences/applications.css                   (preferences/applications.css)
 #ifdef MOZ_BROWSER_STATUSBAR
-        skin/classic/browser/statusbar/dynamic.css                   (../shared/statusbar/dynamic.css)
-*       skin/classic/browser/statusbar/overlay.css                   (statusbar/overlay.css)
-*       skin/classic/browser/statusbar/prefs.css                     (statusbar/prefs.css)
-        skin/classic/browser/statusbar/pulse.png                     (../shared/statusbar/pulse.png)
-        skin/classic/browser/statusbar/pms16.png                     (../shared/statusbar/pms16.png)
-        skin/classic/browser/statusbar/pms24.png                     (../shared/statusbar/pms24.png)
-        skin/classic/browser/statusbar/throbber-idle.png             (../shared/statusbar/throbber-idle.png)
-        skin/classic/browser/statusbar/throbberStatic.png            (../shared/statusbar/throbberStatic.png)
+  skin/classic/browser/statusbar/dynamic.css                          (../shared/statusbar/dynamic.css)
+* skin/classic/browser/statusbar/overlay.css                          (statusbar/overlay.css)
+* skin/classic/browser/statusbar/prefs.css                            (statusbar/prefs.css)
+  skin/classic/browser/statusbar/pulse.png                            (../shared/statusbar/pulse.png)
+  skin/classic/browser/statusbar/pms16.png                            (../shared/statusbar/pms16.png)
+  skin/classic/browser/statusbar/pms24.png                            (../shared/statusbar/pms24.png)
+  skin/classic/browser/statusbar/throbber-idle.png                    (../shared/statusbar/throbber-idle.png)
+  skin/classic/browser/statusbar/throbberStatic.png                   (../shared/statusbar/throbberStatic.png)
 #endif
-        skin/classic/browser/tabbrowser/alltabs.png                  (tabbrowser/alltabs.png)
-        skin/classic/browser/tabbrowser/alltabs-inverted.png         (tabbrowser/alltabs-inverted.png)
-        skin/classic/browser/tabbrowser/newtab.png                   (tabbrowser/newtab.png)
-        skin/classic/browser/tabbrowser/newtab-glass.png             (tabbrowser/newtab-glass.png)
-        skin/classic/browser/tabbrowser/newtab-inverted.png          (tabbrowser/newtab-inverted.png)
-        skin/classic/browser/tabbrowser/connecting.png               (tabbrowser/connecting.png)
-        skin/classic/browser/tabbrowser/loading.png                  (tabbrowser/loading.png)
-        skin/classic/browser/tabbrowser/tab-arrow-left.png           (tabbrowser/tab-arrow-left.png)
-        skin/classic/browser/tabbrowser/tab-arrow-left-glass.png     (tabbrowser/tab-arrow-left-glass.png)
-        skin/classic/browser/tabbrowser/tab-arrow-left-inverted.png  (tabbrowser/tab-arrow-left-inverted.png)
-        skin/classic/browser/tabbrowser/tab-overflow-border.png      (tabbrowser/tab-overflow-border.png)
-        skin/classic/browser/tabbrowser/tabDragIndicator.png         (tabbrowser/tabDragIndicator.png)
+  skin/classic/browser/tabbrowser/alltabs.png                         (tabbrowser/alltabs.png)
+  skin/classic/browser/tabbrowser/alltabs-inverted.png                (tabbrowser/alltabs-inverted.png)
+  skin/classic/browser/tabbrowser/newtab.png                          (tabbrowser/newtab.png)
+  skin/classic/browser/tabbrowser/newtab-glass.png                    (tabbrowser/newtab-glass.png)
+  skin/classic/browser/tabbrowser/newtab-inverted.png                 (tabbrowser/newtab-inverted.png)
+  skin/classic/browser/tabbrowser/connecting.png                      (tabbrowser/connecting.png)
+  skin/classic/browser/tabbrowser/loading.png                         (tabbrowser/loading.png)
+  skin/classic/browser/tabbrowser/tab-arrow-left.png                  (tabbrowser/tab-arrow-left.png)
+  skin/classic/browser/tabbrowser/tab-arrow-left-glass.png            (tabbrowser/tab-arrow-left-glass.png)
+  skin/classic/browser/tabbrowser/tab-arrow-left-inverted.png         (tabbrowser/tab-arrow-left-inverted.png)
+  skin/classic/browser/tabbrowser/tab-overflow-border.png             (tabbrowser/tab-overflow-border.png)
+  skin/classic/browser/tabbrowser/tabDragIndicator.png                (tabbrowser/tabDragIndicator.png)
+  skin/classic/browser/tabbrowser/tab-audio.svg                       (../shared/tabbrowser/tab-audio.svg)
+  skin/classic/browser/tabbrowser/tab-audio-small.svg                 (../shared/tabbrowser/tab-audio-small.svg)
 #ifdef MOZ_SERVICES_SYNC
-        skin/classic/browser/sync-throbber.png
-        skin/classic/browser/sync-16.png
-        skin/classic/browser/sync-32.png
-        skin/classic/browser/sync-128.png
-        skin/classic/browser/sync-bg.png
-        skin/classic/browser/sync-desktopIcon.png
-        skin/classic/browser/sync-mobileIcon.png
-        skin/classic/browser/syncSetup.css
-        skin/classic/browser/syncCommon.css
-        skin/classic/browser/syncQuota.css
-        skin/classic/browser/syncProgress.css
+  skin/classic/browser/sync-throbber.png
+  skin/classic/browser/sync-16.png
+  skin/classic/browser/sync-32.png
+  skin/classic/browser/sync-128.png
+  skin/classic/browser/sync-bg.png
+  skin/classic/browser/sync-desktopIcon.png
+  skin/classic/browser/sync-mobileIcon.png
+  skin/classic/browser/syncSetup.css
+  skin/classic/browser/syncCommon.css
+  skin/classic/browser/syncQuota.css
+  skin/classic/browser/syncProgress.css
 #endif
diff --git a/application/palemoon/themes/windows/places/organizer.css b/application/palemoon/themes/windows/places/organizer.css
index 16a0ab09c..45851d0da 100644
--- a/application/palemoon/themes/windows/places/organizer.css
+++ b/application/palemoon/themes/windows/places/organizer.css
@@ -8,6 +8,13 @@
   --toolbarbutton-image: url("chrome://browser/skin/Toolbar.png");
 }
 
+/* Use SVG for HiDPI 133%+ */
+@media (min-resolution: 1.33dppx) {
+  :root {
+    --toolbarbutton-image: url("chrome://browser/skin/Toolbar.svg");
+  }
+}
+
 /* Toolbar */
 #placesToolbar {
   padding: 3px;
diff --git a/application/palemoon/themes/windows/statusbar/overlay.css b/application/palemoon/themes/windows/statusbar/overlay.css
index 77e8d8732..7f9a5982f 100644
--- a/application/palemoon/themes/windows/statusbar/overlay.css
+++ b/application/palemoon/themes/windows/statusbar/overlay.css
@@ -53,7 +53,7 @@ toolbar[brighttext] #status4evar-download-button #status4evar-download-icon
 
 #status4evar-download-button[attention] #status4evar-download-icon
 {
-	background-image: url("chrome://browser/skin/downloads/download-glow.png");
+	background: -moz-image-rect(var(--toolbarbutton-glass-image), 19, 108, 36, 90) center no-repeat;
 }
 
 toolbar[mode="icons"] #status4evar-download-button[forcelabel="true"] > label
diff --git a/application/xulrunner/confvars.sh b/application/xulrunner/confvars.sh
index a317df2a6..794b2b4b1 100644
--- a/application/xulrunner/confvars.sh
+++ b/application/xulrunner/confvars.sh
@@ -13,10 +13,6 @@ MOZ_CHROME_FILE_FORMAT=omni
 
 MOZ_UPDATER=1
 
-if test "$OS_ARCH" = "WINNT"; then
-  MOZ_MAINTENANCE_SERVICE=
-fi
-
 MOZ_PLACES=1
 MOZ_WEBRTC=1
 MOZ_WEBGL_CONFORMANT=1