Remove Pale Moon from the Unified XUL Platform repository

Development will proceed at https://github.com/MoonchildProductions/Pale-Moon

1 files changed, 0 insertions, 7440 deletions

diff --git a/application/palemoon/base/content/browser.js b/application/palemoon/base/content/browser.js
deleted file mode 100644
index 7615bc92a..000000000
--- a/application/palemoon/base/content/browser.js
+++ /dev/null
@@ -1,7440 +0,0 @@
-# -*- Mode: javascript; 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/.
-
-var Ci = Components.interfaces;
-var Cu = Components.utils;
-
-Cu.import("resource://gre/modules/XPCOMUtils.jsm");
-Cu.import("resource://gre/modules/Services.jsm");
-Cu.import("resource:///modules/RecentWindow.jsm");
-
-XPCOMUtils.defineLazyModuleGetter(this, "Task",
-                                  "resource://gre/modules/Task.jsm");
-
-XPCOMUtils.defineLazyModuleGetter(this, "CharsetMenu",
-                                  "resource:///modules/CharsetMenu.jsm");
-
-const nsIWebNavigation = Ci.nsIWebNavigation;
-const gToolbarInfoSeparators = ["|", "-"];
-
-var gLastBrowserCharset = null;
-var gPrevCharset = null;
-var gProxyFavIcon = null;
-var gLastValidURLStr = "";
-var gInPrintPreviewMode = false;
-var gContextMenu = null; // nsContextMenu instance
-var gMultiProcessBrowser = false;
-
-#ifndef XP_MACOSX
-var gEditUIVisible = true;
-#endif
-
-[
-  ["gBrowser",            "content"],
-  ["gNavToolbox",         "navigator-toolbox"],
-  ["gURLBar",             "urlbar"],
-  ["gNavigatorBundle",    "bundle_browser"]
-].forEach(function (elementGlobal) {
-  var [name, id] = elementGlobal;
-  window.__defineGetter__(name, function () {
-    var element = document.getElementById(id);
-    if (!element)
-      return null;
-    delete window[name];
-    return window[name] = element;
-  });
-  window.__defineSetter__(name, function (val) {
-    delete window[name];
-    return window[name] = val;
-  });
-});
-
-// Smart getter for the findbar.  If you don't wish to force the creation of
-// the findbar, check gFindBarInitialized first.
-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",
-  "resource://gre/modules/BrowserUtils.jsm");
-
-XPCOMUtils.defineLazyGetter(this, "gPrefService", function() {
-  return Services.prefs;
-});
-
-this.__defineGetter__("AddonManager", function() {
-  let tmp = {};
-  Cu.import("resource://gre/modules/AddonManager.jsm", tmp);
-  return this.AddonManager = tmp.AddonManager;
-});
-this.__defineSetter__("AddonManager", function (val) {
-  delete this.AddonManager;
-  return this.AddonManager = val;
-});
-
-XPCOMUtils.defineLazyModuleGetter(this, "PluralForm",
-  "resource://gre/modules/PluralForm.jsm");
-
-XPCOMUtils.defineLazyModuleGetter(this, "AboutHomeUtils",
-  "resource:///modules/AboutHomeUtils.jsm");
-
-#ifdef MOZ_SERVICES_SYNC
-XPCOMUtils.defineLazyModuleGetter(this, "Weave",
-  "resource://services-sync/main.js");
-#endif
-
-XPCOMUtils.defineLazyGetter(this, "PopupNotifications", function () {
-  let tmp = {};
-  Cu.import("resource:///modules/PopupNotifications.jsm", tmp);
-  try {
-    return new tmp.PopupNotifications(gBrowser,
-                                      document.getElementById("notification-popup"),
-                                      document.getElementById("notification-popup-box"));
-  } catch (ex) {
-    Cu.reportError(ex);
-    return null;
-  }
-});
-
-XPCOMUtils.defineLazyModuleGetter(this, "PageThumbs",
-  "resource://gre/modules/PageThumbs.jsm");
-
-XPCOMUtils.defineLazyModuleGetter(this, "gBrowserNewTabPreloader",
-  "resource:///modules/BrowserNewTabPreloader.jsm", "BrowserNewTabPreloader");
-
-XPCOMUtils.defineLazyModuleGetter(this, "PrivateBrowsingUtils",
-  "resource://gre/modules/PrivateBrowsingUtils.jsm");
-
-XPCOMUtils.defineLazyModuleGetter(this, "FormValidationHandler",
-  "resource:///modules/FormValidationHandler.jsm");
-
-var gInitialPages = [
-  "about:blank",
-  "about:newtab",
-  "about:home",
-  "about:privatebrowsing",
-  "about:sessionrestore",
-  "about:logopage"
-];
-
-#include browser-addons.js
-#include browser-feeds.js
-#include browser-fullScreen.js
-#include browser-fullZoom.js
-#include browser-places.js
-#include browser-plugins.js
-#include browser-tabPreviews.js
-#include browser-thumbnails.js
-#include browser-uacompat.js
-
-#ifdef MOZ_WEBRTC
-#include browser-webrtcUI.js
-#endif
-
-#include browser-gestureSupport.js
-
-#ifdef MOZ_SERVICES_SYNC
-#include browser-syncui.js
-#endif
-
-XPCOMUtils.defineLazyGetter(this, "Win7Features", function () {
-#ifdef XP_WIN
-  const WINTASKBAR_CONTRACTID = "@mozilla.org/windows-taskbar;1";
-  if (WINTASKBAR_CONTRACTID in Cc &&
-      Cc[WINTASKBAR_CONTRACTID].getService(Ci.nsIWinTaskbar).available) {
-    let AeroPeek = Cu.import("resource:///modules/WindowsPreviewPerTab.jsm", {}).AeroPeek;
-    return {
-      onOpenWindow: function () {
-        AeroPeek.onOpenWindow(window);
-      },
-      onCloseWindow: function () {
-        AeroPeek.onCloseWindow(window);
-      }
-    };
-  }
-#endif
-  return null;
-});
-
-XPCOMUtils.defineLazyGetter(this, "PageMenu", function() {
-  let tmp = {};
-  Cu.import("resource:///modules/PageMenu.jsm", tmp);
-  return new tmp.PageMenu();
-});
-
-/**
-* We can avoid adding multiple load event listeners and save some time by adding
-* one listener that calls all real handlers.
-*/
-function pageShowEventHandlers(persisted) {
-  charsetLoadListener();
-  XULBrowserWindow.asyncUpdateUI();
-
-  // The PluginClickToPlay events are not fired when navigating using the
-  // BF cache. |persisted| is true when the page is loaded from the
-  // BF cache, so this code reshows the notification if necessary.
-  if (persisted)
-    gPluginHandler.reshowClickToPlayNotification();
-}
-
-function UpdateBackForwardCommands(aWebNavigation) {
-  var backBroadcaster = document.getElementById("Browser:Back");
-  var forwardBroadcaster = document.getElementById("Browser:Forward");
-
-  // Avoid setting attributes on broadcasters if the value hasn't changed!
-  // Remember, guys, setting attributes on elements is expensive!  They
-  // get inherited into anonymous content, broadcast to other widgets, etc.!
-  // Don't do it if the value hasn't changed! - dwh
-
-  var backDisabled = backBroadcaster.hasAttribute("disabled");
-  var forwardDisabled = forwardBroadcaster.hasAttribute("disabled");
-  if (backDisabled == aWebNavigation.canGoBack) {
-    if (backDisabled)
-      backBroadcaster.removeAttribute("disabled");
-    else
-      backBroadcaster.setAttribute("disabled", true);
-  }
-
-  if (forwardDisabled == aWebNavigation.canGoForward) {
-    if (forwardDisabled)
-      forwardBroadcaster.removeAttribute("disabled");
-    else
-      forwardBroadcaster.setAttribute("disabled", true);
-  }
-}
-
-/**
- * Click-and-Hold implementation for the Back and Forward buttons
- * XXXmano: should this live in toolbarbutton.xml?
- */
-function SetClickAndHoldHandlers() {
-  var timer;
-
-  function openMenu(aButton) {
-    cancelHold(aButton);
-    aButton.firstChild.hidden = false;
-    aButton.open = true;
-  }
-
-  function mousedownHandler(aEvent) {
-    if (aEvent.button != 0 ||
-        aEvent.currentTarget.open ||
-        aEvent.currentTarget.disabled)
-      return;
-
-    // Prevent the menupopup from opening immediately
-    aEvent.currentTarget.firstChild.hidden = true;
-
-    aEvent.currentTarget.addEventListener("mouseout", mouseoutHandler, false);
-    aEvent.currentTarget.addEventListener("mouseup", mouseupHandler, false);
-    timer = setTimeout(openMenu, 500, aEvent.currentTarget);
-  }
-
-  function mouseoutHandler(aEvent) {
-    let buttonRect = aEvent.currentTarget.getBoundingClientRect();
-    if (aEvent.clientX >= buttonRect.left &&
-        aEvent.clientX <= buttonRect.right &&
-        aEvent.clientY >= buttonRect.bottom)
-      openMenu(aEvent.currentTarget);
-    else
-      cancelHold(aEvent.currentTarget);
-  }
-
-  function mouseupHandler(aEvent) {
-    cancelHold(aEvent.currentTarget);
-  }
-
-  function cancelHold(aButton) {
-    clearTimeout(timer);
-    aButton.removeEventListener("mouseout", mouseoutHandler, false);
-    aButton.removeEventListener("mouseup", mouseupHandler, false);
-  }
-
-  function clickHandler(aEvent) {
-    if (aEvent.button == 0 &&
-        aEvent.target == aEvent.currentTarget &&
-        !aEvent.currentTarget.open &&
-        !aEvent.currentTarget.disabled) {
-      let cmdEvent = document.createEvent("xulcommandevent");
-      cmdEvent.initCommandEvent("command", true, true, window, 0,
-                                aEvent.ctrlKey, aEvent.altKey, aEvent.shiftKey,
-                                aEvent.metaKey, null);
-      aEvent.currentTarget.dispatchEvent(cmdEvent);
-    }
-  }
-
-  function _addClickAndHoldListenersOnElement(aElm) {
-    aElm.addEventListener("mousedown", mousedownHandler, true);
-    aElm.addEventListener("click", clickHandler, true);
-  }
-
-  // Bug 414797: Clone unified-back-forward-button's context menu into both the
-  // back and the forward buttons.
-  var unifiedButton = document.getElementById("unified-back-forward-button");
-  if (unifiedButton && !unifiedButton._clickHandlersAttached) {
-    unifiedButton._clickHandlersAttached = true;
-
-    let popup = document.getElementById("backForwardMenu").cloneNode(true);
-    popup.removeAttribute("id");
-    // Prevent the context attribute on unified-back-forward-button from being
-    // inherited.
-    popup.setAttribute("context", "");
-
-    let backButton = document.getElementById("back-button");
-    backButton.setAttribute("type", "menu");
-    backButton.appendChild(popup);
-    _addClickAndHoldListenersOnElement(backButton);
-
-    let forwardButton = document.getElementById("forward-button");
-    popup = popup.cloneNode(true);
-    forwardButton.setAttribute("type", "menu");
-    forwardButton.appendChild(popup);
-    _addClickAndHoldListenersOnElement(forwardButton);
-  }
-}
-
-const gSessionHistoryObserver = {
-  observe: function(subject, topic, data)
-  {
-    if (topic != "browser:purge-session-history")
-      return;
-
-    var backCommand = document.getElementById("Browser:Back");
-    backCommand.setAttribute("disabled", "true");
-    var fwdCommand = document.getElementById("Browser:Forward");
-    fwdCommand.setAttribute("disabled", "true");
-
-    // Hide session restore button on about:home
-    window.messageManager.broadcastAsyncMessage("Browser:HideSessionRestoreButton");
-
-    if (gURLBar) {
-      // Clear undo history of the URL bar
-      gURLBar.editor.transactionManager.clear()
-    }
-  }
-};
-
-var gFindBarSettings = {
-  messageName: "Findbar:Keypress",
-  prefName: "accessibility.typeaheadfind",
-  findAsYouType: null,
-
-  init: function() {
-    window.messageManager.addMessageListener(this.messageName, this);
-
-    gPrefService.addObserver(this.prefName, this, false);
-    this.writeFindAsYouType();
-  },
-
-  uninit: function() {
-    window.messageManager.removeMessageListener(this.messageName, this);
-
-    try {
-      gPrefService.removeObserver(this.prefName, this);
-    } catch (ex) {
-      Cu.reportError(ex);
-    }
-  },
-
-  observe: function(aSubject, aTopic, aData) {
-    if (aTopic != "nsPref:changed") {
-      return;
-    }
-
-    this.writeFindAsYouType();
-  },
-
-  writeFindAsYouType: function() {
-    this.findAsYouType = gPrefService.getBoolPref(this.prefName);
-  },
-
-  receiveMessage: function(aMessage) {
-    switch (aMessage.name) {
-      case this.messageName:
-        // If the find bar for chrome window's context 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 (!gFindBarInitialized && 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 gFindBar.receiveMessage(aMessage);
-          }
-        }
-        break;
-    }
-  }
-};
-
-var gURLBarSettings = {
-  prefSuggest: "browser.urlbar.suggest.",
-  /*
-  For searching in the source code:
-    browser.urlbar.suggest.bookmark
-    browser.urlbar.suggest.history
-    browser.urlbar.suggest.openpage
-  */
-  prefSuggests: [
-    "bookmark",
-    "history",
-    "openpage"
-  ],
-  prefKeyword: "keyword.enabled",
-
-  observe: function(aSubject, aTopic, aData) {
-    if (aTopic != "nsPref:changed")
-      return;
-
-    this.writePlaceholder();
-  },
-
-  writePlaceholder: function() {
-    if (!gURLBar) {
-      return;
-    }
-
-    let attribute = "placeholder";
-    let prefs = this.prefSuggests.map(pref => {
-      return this.prefSuggest + pref;
-    });
-    prefs.push(this.prefKeyword);
-    let placeholderDefault = prefs.some(pref => {
-      return gPrefService.getBoolPref(pref);
-    });
-
-    if (placeholderDefault) {
-      gURLBar.setAttribute(
-          attribute, gNavigatorBundle.getString("urlbar.placeholder"));
-    } else {
-      gURLBar.setAttribute(
-          attribute, gNavigatorBundle.getString("urlbar.placeholderURLOnly"));
-    }
-  }
-};
-
-/**
- * Given a starting docshell and a URI to look up, find the docshell the URI
- * is loaded in.
- * @param   aDocument
- *          A document to find instead of using just a URI - this is more specific.
- * @param   aDocShell
- *          The doc shell to start at
- * @param   aSoughtURI
- *          The URI that we're looking for
- * @returns The doc shell that the sought URI is loaded in. Can be in
- *          subframes.
- */
-function findChildShell(aDocument, aDocShell, aSoughtURI) {
-  aDocShell.QueryInterface(Components.interfaces.nsIWebNavigation);
-  aDocShell.QueryInterface(Components.interfaces.nsIInterfaceRequestor);
-  var doc = aDocShell.getInterface(Components.interfaces.nsIDOMDocument);
-  if ((aDocument && doc == aDocument) ||
-      (aSoughtURI && aSoughtURI.spec == aDocShell.currentURI.spec))
-    return aDocShell;
-
-  var node = aDocShell.QueryInterface(Components.interfaces.nsIDocShellTreeItem);
-  for (var i = 0; i < node.childCount; ++i) {
-    var docShell = node.getChildAt(i);
-    docShell = findChildShell(aDocument, docShell, aSoughtURI);
-    if (docShell)
-      return docShell;
-  }
-  return null;
-}
-
-var gPopupBlockerObserver = {
-  _reportButton: null,
-
-  onReportButtonClick: function (aEvent)
-  {
-    if (aEvent.button != 0 || aEvent.target != this._reportButton)
-      return;
-
-    document.getElementById("blockedPopupOptions")
-            .openPopup(this._reportButton, "after_end", 0, 2, false, false, aEvent);
-  },
-
-  handleEvent: function (aEvent)
-  {
-    if (aEvent.originalTarget != gBrowser.selectedBrowser)
-      return;
-
-    if (!this._reportButton && gURLBar)
-      this._reportButton = document.getElementById("page-report-button");
-
-    if (!gBrowser.selectedBrowser.blockedPopups ||
-        !gBrowser.selectedBrowser.blockedPopups.length) {
-      // Hide the icon in the location bar (if the location bar exists)
-      if (gURLBar)
-        this._reportButton.hidden = true;
-      return;
-    }
-
-    if (gURLBar)
-      this._reportButton.hidden = false;
-
-    // Only show the notification again if we've not already shown it. Since
-    // notifications are per-browser, we don't need to worry about re-adding
-    // it.
-    if (!gBrowser.selectedBrowser.blockedPopups.reported) {
-      if (gPrefService.getBoolPref("privacy.popups.showBrowserMessage")) {
-        var brandBundle = document.getElementById("bundle_brand");
-        var brandShortName = brandBundle.getString("brandShortName");
-        var popupCount = gBrowser.selectedBrowser.blockedPopups.length;
-        var popupButtonText = gNavigatorBundle.getString("popupWarningButton");
-        var popupButtonAccesskey = gNavigatorBundle.getString("popupWarningButton.accesskey");
-        var messageBase = gNavigatorBundle.getString("popupWarning.message");
-        var message = PluralForm.get(popupCount, messageBase)
-                                .replace("#1", brandShortName)
-                                .replace("#2", popupCount);
-
-        var notificationBox = gBrowser.getNotificationBox();
-        var notification = notificationBox.getNotificationWithValue("popup-blocked");
-        if (notification) {
-          notification.label = message;
-        }
-        else {
-          var buttons = [{
-            label: popupButtonText,
-            accessKey: popupButtonAccesskey,
-            popup: "blockedPopupOptions",
-            callback: null
-          }];
-
-          const priority = notificationBox.PRIORITY_WARNING_MEDIUM;
-          notificationBox.appendNotification(message, "popup-blocked",
-                                             "chrome://browser/skin/Info.png",
-                                             priority, buttons);
-        }
-      }
-
-      // Record the fact that we've reported this blocked popup, so we don't
-      // show it again.
-      gBrowser.selectedBrowser.blockedPopups.reported = true;
-    }
-  },
-
-  toggleAllowPopupsForSite: function (aEvent)
-  {
-    var pm = Services.perms;
-    var shouldBlock = aEvent.target.getAttribute("block") == "true";
-    var perm = shouldBlock ? pm.DENY_ACTION : pm.ALLOW_ACTION;
-    pm.add(gBrowser.currentURI, "popup", perm);
-
-    gBrowser.getNotificationBox().removeCurrentNotification();
-  },
-
-  fillPopupList: function (aEvent)
-  {
-    // XXXben - rather than using |currentURI| here, which breaks down on multi-framed sites
-    //          we should really walk the blockedPopups and create a list of "allow for <host>"
-    //          menuitems for the common subset of hosts present in the report, this will
-    //          make us frame-safe.
-    //
-    // XXXjst - Note that when this is fixed to work with multi-framed sites,
-    //          also back out the fix for bug 343772 where
-    //          nsGlobalWindow::CheckOpenAllow() was changed to also
-    //          check if the top window's location is whitelisted.
-    let browser = gBrowser.selectedBrowser;
-    var uri = browser.currentURI;
-    var blockedPopupAllowSite = document.getElementById("blockedPopupAllowSite");
-    try {
-      blockedPopupAllowSite.removeAttribute("hidden");
-
-      var pm = Services.perms;
-      if (pm.testPermission(uri, "popup") == pm.ALLOW_ACTION) {
-        // Offer an item to block popups for this site, if a whitelist entry exists
-        // already for it.
-        let blockString = gNavigatorBundle.getFormattedString("popupBlock", [uri.host || uri.spec]);
-        blockedPopupAllowSite.setAttribute("label", blockString);
-        blockedPopupAllowSite.setAttribute("block", "true");
-      }
-      else {
-        // Offer an item to allow popups for this site
-        let allowString = gNavigatorBundle.getFormattedString("popupAllow", [uri.host || uri.spec]);
-        blockedPopupAllowSite.setAttribute("label", allowString);
-        blockedPopupAllowSite.removeAttribute("block");
-      }
-    }
-    catch (e) {
-      blockedPopupAllowSite.setAttribute("hidden", "true");
-    }
-
-    if (PrivateBrowsingUtils.isWindowPrivate(window))
-      blockedPopupAllowSite.setAttribute("disabled", "true");
-    else
-      blockedPopupAllowSite.removeAttribute("disabled");
-
-    let blockedPopupDontShowMessage = document.getElementById("blockedPopupDontShowMessage");
-    let showMessage = gPrefService.getBoolPref("privacy.popups.showBrowserMessage");
-    blockedPopupDontShowMessage.setAttribute("checked", !showMessage);
-    if (aEvent.target.anchorNode.id == "page-report-button") {
-      aEvent.target.anchorNode.setAttribute("open", "true");
-      blockedPopupDontShowMessage.setAttribute("label", gNavigatorBundle.getString("popupWarningDontShowFromLocationbar"));
-    } else {
-      blockedPopupDontShowMessage.setAttribute("label", gNavigatorBundle.getString("popupWarningDontShowFromMessage"));
-    }
-
-    let blockedPopupsSeparator =
-        document.getElementById("blockedPopupsSeparator");
-    blockedPopupsSeparator.setAttribute("hidden", true);
-
-    gBrowser.selectedBrowser.retrieveListOfBlockedPopups().then(blockedPopups => {
-      let foundUsablePopupURI = false;
-      if (blockedPopups) {
-        for (let i = 0; i < blockedPopups.length; i++) {
-          let blockedPopup = blockedPopups[i];
-
-          // popupWindowURI will be null if the file picker popup is blocked.
-          // xxxdz this should make the option say "Show file picker" and do it (Bug 590306)
-          if (!blockedPopup.popupWindowURIspec)
-            continue;
-
-          var popupURIspec = blockedPopup.popupWindowURIspec;
-
-          // Sometimes the popup URI that we get back from the blockedPopup
-          // isn't useful (for instance, netscape.com's popup URI ends up
-          // being "http://www.netscape.com", which isn't really the URI of
-          // the popup they're trying to show).  This isn't going to be
-          // useful to the user, so we won't create a menu item for it.
-          if (popupURIspec == "" || popupURIspec == "about:blank" ||
-              popupURIspec == "<self>" ||
-              popupURIspec == uri.spec)
-            continue;
-
-          // Because of the short-circuit above, we may end up in a situation
-          // in which we don't have any usable popup addresses to show in
-          // the menu, and therefore we shouldn't show the separator.  However,
-          // since we got past the short-circuit, we must've found at least
-          // one usable popup URI and thus we'll turn on the separator later.
-          foundUsablePopupURI = true;
-
-          var menuitem = document.createElement("menuitem");
-          var label = gNavigatorBundle.getFormattedString("popupShowPopupPrefix",
-                                                          [popupURIspec]);
-          menuitem.setAttribute("label", label);
-          menuitem.setAttribute("oncommand", "gPopupBlockerObserver.showBlockedPopup(event);");
-          menuitem.setAttribute("popupReportIndex", i);
-          menuitem.popupReportBrowser = browser;
-          aEvent.target.appendChild(menuitem);
-        }
-      }
-
-      // Show the separator if we added any
-      // showable popup addresses to the menu.
-      if (foundUsablePopupURI)
-        blockedPopupsSeparator.removeAttribute("hidden");
-    }, null);
-  },
-
-  onPopupHiding: function (aEvent) {
-    if (aEvent.target.anchorNode.id == "page-report-button")
-      aEvent.target.anchorNode.removeAttribute("open");
-
-    let item = aEvent.target.lastChild;
-    while (item && item.getAttribute("observes") != "blockedPopupsSeparator") {
-      let next = item.previousSibling;
-      item.parentNode.removeChild(item);
-      item = next;
-    }
-  },
-
-  showBlockedPopup: function (aEvent)
-  {
-    var target = aEvent.target;
-    var popupReportIndex = target.getAttribute("popupReportIndex");
-    let browser = target.popupReportBrowser;
-    browser.unblockPopup(popupReportIndex);
-  },
-
-  editPopupSettings: function ()
-  {
-    var host = "";
-    try {
-      host = gBrowser.currentURI.host;
-    }
-    catch (e) { }
-
-    var bundlePreferences = document.getElementById("bundle_preferences");
-    var params = { blockVisible   : false,
-                   sessionVisible : false,
-                   allowVisible   : true,
-                   prefilledHost  : host,
-                   permissionType : "popup",
-                   windowTitle    : bundlePreferences.getString("popuppermissionstitle"),
-                   introText      : bundlePreferences.getString("popuppermissionstext") };
-    var existingWindow = Services.wm.getMostRecentWindow("Browser:Permissions");
-    if (existingWindow) {
-      existingWindow.initWithParams(params);
-      existingWindow.focus();
-    }
-    else
-      window.openDialog("chrome://browser/content/preferences/permissions.xul",
-                        "_blank", "resizable,dialog=no,centerscreen", params);
-  },
-
-  dontShowMessage: function ()
-  {
-    var showMessage = gPrefService.getBoolPref("privacy.popups.showBrowserMessage");
-    gPrefService.setBoolPref("privacy.popups.showBrowserMessage", !showMessage);
-    gBrowser.getNotificationBox().removeCurrentNotification();
-  }
-};
-
-const gXSSObserver = {
-
-  observe: function (aSubject, aTopic, aData)
-  {
-
-    // Don't do anything if the notification is disabled.
-    if (!gPrefService.getBoolPref("security.xssfilter.displayWarning"))
-      return;
-
-    // Parse incoming XSS array
-    aSubject.QueryInterface(Ci.nsIArray);
-    var policy = aSubject.queryElementAt(0, Ci.nsISupportsString).data;
-    var content = aSubject.queryElementAt(1, Ci.nsISupportsString).data;
-    var domain = aSubject.queryElementAt(2, Ci.nsISupportsString).data;
-    var url = aSubject.queryElementAt(3, Ci.nsISupportsCString).data;
-    var blockMode = aSubject.queryElementAt(4, Ci.nsISupportsPRBool).data;
-
-    // If it is a block mode event, do not display the infobar
-    if (blockMode)
-      return;
-
-    var nb = gBrowser.getNotificationBox();
-    const priority = nb.PRIORITY_WARNING_MEDIUM;
-
-    var buttons = [{
-      label: 'View Unsafe Content',
-      accessKey: 'V',
-      popup: null,
-      callback: function () {
-        alert(content);
-      }
-    }];
-
-    if (domain !== "")
-      buttons.push({
-        label: 'Add Domain Exception',
-        accessKey: 'A',
-        popup: null,
-        callback: function () {
-          let whitelist = gPrefService.getCharPref("security.xssfilter.whitelist");
-          if (whitelist != "") {
-            whitelist = whitelist + "," + domain;
-          } else {
-            whitelist = domain;
-          }
-          // Write the updated whitelist. Since this is observed by the XSS filter,
-          // it will automatically sync to the back-end and update immediately.
-          gPrefService.setCharPref("security.xssfilter.whitelist", whitelist);
-          // After setting this, we automatically reload the page.
-          BrowserReloadSkipCache();
-        }
-      });
-    
-    nb.appendNotification("The XSS Filter has detected a potential XSS attack. Type: " +
-                          policy, 'popup-blocked', 'chrome://browser/skin/Info.png',
-                          priority, buttons);
-  }
-};
-
-var gBrowserInit = {
-  delayedStartupFinished: false,
-
-  onLoad: function() {
-    gMultiProcessBrowser = gPrefService.getBoolPref("browser.tabs.remote");
-
-    var mustLoadSidebar = false;
-
-    Cc["@mozilla.org/eventlistenerservice;1"]
-      .getService(Ci.nsIEventListenerService)
-      .addSystemEventListener(gBrowser, "click", contentAreaClick, true);
-
-    gBrowser.addEventListener("DOMUpdatePageReport", gPopupBlockerObserver, false);
-
-    // Note that the XBL binding is untrusted
-    gBrowser.addEventListener("PluginBindingAttached", gPluginHandler, true, true);
-    gBrowser.addEventListener("PluginCrashed",         gPluginHandler, true);
-    gBrowser.addEventListener("PluginOutdated",        gPluginHandler, true);
-    gBrowser.addEventListener("PluginInstantiated",    gPluginHandler, true);
-    gBrowser.addEventListener("PluginRemoved",         gPluginHandler, true);
-
-    Services.obs.addObserver(gPluginHandler.pluginCrashed, "plugin-crashed", false);
-
-    window.addEventListener("AppCommand", HandleAppCommandEvent, true);
-
-    // These routines add message listeners. They must run before
-    // loading the frame script to ensure that we don't miss any
-    // message sent between when the frame script is loaded and when
-    // the listener is registered.
-#ifdef MOZ_DEVTOOLS
-    DevToolsTheme.init();
-#endif
-    gFindBarSettings.init();
-
-    messageManager.loadFrameScript("chrome://browser/content/content.js", true);
-    messageManager.loadFrameScript("chrome://browser/content/content-sessionStore.js", true);
-
-    // initialize observers and listeners
-    // and give C++ access to gBrowser
-    XULBrowserWindow.init();
-    window.QueryInterface(Ci.nsIInterfaceRequestor)
-          .getInterface(nsIWebNavigation)
-          .QueryInterface(Ci.nsIDocShellTreeItem).treeOwner
-          .QueryInterface(Ci.nsIInterfaceRequestor)
-          .getInterface(Ci.nsIXULWindow)
-          .XULBrowserWindow = window.XULBrowserWindow;
-    window.QueryInterface(Ci.nsIDOMChromeWindow).browserDOMWindow =
-      new nsBrowserAccess();
-
-    // set default character set if provided
-    // window.arguments[1]: character set (string)
-    if ("arguments" in window && window.arguments.length > 1 && window.arguments[1]) {
-      if (window.arguments[1].startsWith("charset=")) {
-        var arrayArgComponents = window.arguments[1].split("=");
-        if (arrayArgComponents) {
-          //we should "inherit" the charset menu setting in a new window
-          //TFE FIXME: this is now a wrappednative and can't be set this way.
-          //getMarkupDocumentViewer().defaultCharacterSet = arrayArgComponents[1];
-        }
-      }
-    }
-
-    // Manually hook up session and global history for the first browser
-    // so that we don't have to load global history before bringing up a
-    // window.
-    // Wire up session and global history before any possible
-    // progress notifications for back/forward button updating
-    gBrowser.webNavigation.sessionHistory = Cc["@mozilla.org/browser/shistory;1"].
-                                            createInstance(Ci.nsISHistory);
-    Services.obs.addObserver(gBrowser.browsers[0], "browser:purge-session-history", false);
-
-    // remove the disablehistory attribute so the browser cleans up, as
-    // though it had done this work itself
-    gBrowser.browsers[0].removeAttribute("disablehistory");
-
-    // enable global history
-    try {
-      if (!gMultiProcessBrowser)
-      gBrowser.docShell.useGlobalHistory = true;
-    } catch(ex) {
-      Cu.reportError("Places database may be locked: " + ex);
-    }
-
-    // hook up UI through progress listener
-    gBrowser.addProgressListener(window.XULBrowserWindow);
-    gBrowser.addTabsProgressListener(window.TabsProgressListener);
-
-    // setup our common DOMLinkAdded listener
-    gBrowser.addEventListener("DOMLinkAdded", DOMLinkHandler, false);
-
-    // setup our MozApplicationManifest listener
-    gBrowser.addEventListener("MozApplicationManifest",
-                              OfflineApps, false);
-
-    // setup simple gestures support
-    gGestureSupport.init(true);
-
-    // setup history swipe animation
-    gHistorySwipeAnimation.init();
-
-    if (window.opener && !window.opener.closed) {
-      let openerSidebarBox = window.opener.document.getElementById("sidebar-box");
-      // If the opener had a sidebar, open the same sidebar in our window.
-      // The opener can be the hidden window too, if we're coming from the state
-      // where no windows are open, and the hidden window has no sidebar box.
-      if (openerSidebarBox && !openerSidebarBox.hidden) {
-        let sidebarCmd = openerSidebarBox.getAttribute("sidebarcommand");
-        let sidebarCmdElem = document.getElementById(sidebarCmd);
-
-        // dynamically generated sidebars will fail this check.
-        if (sidebarCmdElem) {
-          let sidebarBox = document.getElementById("sidebar-box");
-          let sidebarTitle = document.getElementById("sidebar-title");
-
-          sidebarTitle.setAttribute(
-            "value", window.opener.document.getElementById("sidebar-title").getAttribute("value"));
-          sidebarBox.setAttribute("width", openerSidebarBox.boxObject.width);
-
-          sidebarBox.setAttribute("sidebarcommand", sidebarCmd);
-          // Note: we're setting 'src' on sidebarBox, which is a <vbox>, not on
-          // the <browser id="sidebar">. This lets us delay the actual load until
-          // delayedStartup().
-          sidebarBox.setAttribute(
-            "src", window.opener.document.getElementById("sidebar").getAttribute("src"));
-          mustLoadSidebar = true;
-
-          sidebarBox.hidden = false;
-          document.getElementById("sidebar-splitter").hidden = false;
-          sidebarCmdElem.setAttribute("checked", "true");
-        }
-      }
-    }
-    else {
-      let box = document.getElementById("sidebar-box");
-      if (box.hasAttribute("sidebarcommand")) {
-        let commandID = box.getAttribute("sidebarcommand");
-        if (commandID) {
-          let command = document.getElementById(commandID);
-          if (command) {
-            mustLoadSidebar = true;
-            box.hidden = false;
-            document.getElementById("sidebar-splitter").hidden = false;
-            command.setAttribute("checked", "true");
-          }
-          else {
-            // Remove the |sidebarcommand| attribute, because the element it
-            // refers to no longer exists, so we should assume this sidebar
-            // panel has been uninstalled. (249883)
-            box.removeAttribute("sidebarcommand");
-          }
-        }
-      }
-    }
-
-    // Certain kinds of automigration rely on this notification to complete their
-    // tasks BEFORE the browser window is shown.
-    Services.obs.notifyObservers(null, "browser-window-before-show", "");
-
-    // Set a sane starting width/height for all resolutions on new profiles.
-    if (!document.documentElement.hasAttribute("width")) {
-      let defaultWidth;
-      let defaultHeight;
-
-      // Very small: maximize the window
-      // Portrait  : use about full width and 3/4 height, to view entire pages
-      //             at once (without being obnoxiously tall)
-      // Widescreen: use about half width, to suggest side-by-side page view
-      // Otherwise : use 3/4 height and width
-      if (screen.availHeight <= 600) {
-        document.documentElement.setAttribute("sizemode", "maximized");
-        defaultWidth = 610;
-        defaultHeight = 450;
-      }
-      else {
-        if (screen.availWidth <= screen.availHeight) {
-          defaultWidth = screen.availWidth * .9;
-          defaultHeight = screen.availHeight * .75;
-        }
-        else if (screen.availWidth >= 2048) {
-          defaultWidth = (screen.availWidth / 2) - 20;
-          defaultHeight = screen.availHeight - 10;
-        }
-        else {
-          defaultWidth = screen.availWidth * .75;
-          defaultHeight = screen.availHeight * .75;
-        }
-
-#ifdef MOZ_WIDGET_GTK2
-        // On X, we're not currently able to account for the size of the window
-        // border.  Use 28px as a guess (titlebar + bottom window border)
-        defaultHeight -= 28;
-#endif
-      }
-      document.documentElement.setAttribute("width", defaultWidth);
-      document.documentElement.setAttribute("height", defaultHeight);
-    }
-
-    if (!gShowPageResizers)
-      document.getElementById("status-bar").setAttribute("hideresizer", "true");
-
-    if (!window.toolbar.visible) {
-      // adjust browser UI for popups
-      if (gURLBar) {
-        gURLBar.setAttribute("readonly", "true");
-        gURLBar.setAttribute("enablehistory", "false");
-      }
-      goSetCommandEnabled("cmd_newNavigatorTab", false);
-    }
-
-#ifdef MENUBAR_CAN_AUTOHIDE
-    updateAppButtonDisplay();
-#endif
-
-    // Misc. inits.
-    CombinedStopReload.init();
-    allTabs.readPref();
-    TabsOnTop.init();
-    AudioIndicator.init();
-    gPrivateBrowsingUI.init();
-    TabsInTitlebar.init();
-    retrieveToolbarIconsizesFromTheme();
-    ToolbarIconColor.init();
-    UserAgentCompatibility.init();
-
-#ifdef XP_WIN
-    if (window.matchMedia("(-moz-os-version: windows-win8)").matches &&
-        window.matchMedia("(-moz-windows-default-theme)").matches) {
-      let windows8WindowFrameColor = Cu.import("resource:///modules/Windows8WindowFrameColor.jsm", {}).Windows8WindowFrameColor;
-      
-      var windowFrameColor;
-      windowFrameColor = windows8WindowFrameColor.get_win8();
-
-      // Formula from Microsoft's UWP guideline.
-      let backgroundLuminance = (windowFrameColor[0] * 2 +
-                                 windowFrameColor[1] * 5 +
-                                 windowFrameColor[2]) / 8;
-      if (backgroundLuminance <= 128) {
-        document.documentElement.setAttribute("darkwindowframe", "true");
-      }
-    }
-#endif
-
-    // Wait until chrome is painted before executing code not critical to making the window visible
-    this._boundDelayedStartup = this._delayedStartup.bind(this, mustLoadSidebar);
-    window.addEventListener("MozAfterPaint", this._boundDelayedStartup);
-
-    this._loadHandled = true;
-  },
-
-  _cancelDelayedStartup: function () {
-    window.removeEventListener("MozAfterPaint", this._boundDelayedStartup);
-    this._boundDelayedStartup = null;
-  },
-
-  _delayedStartup: function(mustLoadSidebar) {
-    let tmp = {};
-
-    this._cancelDelayedStartup();
-
-    let uriToLoad = this._getUriToLoad();
-    var isLoadingBlank = isBlankPageURL(uriToLoad);
-
-    // This pageshow listener needs to be registered before we may call
-    // swapBrowsersAndCloseOther() to receive pageshow events fired by that.
-    gBrowser.addEventListener("pageshow", function(event) {
-      // Filter out events that are not about the document load we are interested in
-      if (content && event.target == content.document)
-        setTimeout(pageShowEventHandlers, 0, event.persisted);
-    }, true);
-
-    if (uriToLoad && uriToLoad != "about:blank") {
-      if (uriToLoad instanceof Ci.nsISupportsArray) {
-        let count = uriToLoad.Count();
-        let specs = [];
-        for (let i = 0; i < count; i++) {
-          let urisstring = uriToLoad.GetElementAt(i).QueryInterface(Ci.nsISupportsString);
-          specs.push(urisstring.data);
-        }
-
-        // This function throws for certain malformed URIs, so use exception handling
-        // so that we don't disrupt startup
-        try {
-          gBrowser.loadTabs(specs, false, true);
-        } catch (e) {}
-      }
-      else if (uriToLoad instanceof XULElement) {
-        // swap the given tab with the default about:blank tab and then close
-        // the original tab in the other window.
-
-        // Stop the about:blank load
-        gBrowser.stop();
-        // make sure it has a docshell
-        gBrowser.docShell;
-
-        gBrowser.swapBrowsersAndCloseOther(gBrowser.selectedTab, uriToLoad);
-      }
-      // window.arguments[2]: referrer (nsIURI | string)
-      //                 [3]: postData (nsIInputStream)
-      //                 [4]: allowThirdPartyFixup (bool)
-      //                 [5]: referrerPolicy (int)
-      //                 [6]: originPrincipal (nsIPrincipal)
-      //                 [7]: triggeringPrincipal (nsIPrincipal)
-      else if (window.arguments.length >= 3) {
-        let referrerURI = window.arguments[2];
-        if (typeof(referrerURI) == "string") {
-          try {
-            referrerURI = makeURI(referrerURI);
-          } catch (e) {
-            referrerURI = null;
-          }
-        }
-        let referrerPolicy = (window.arguments[5] != undefined ?
-            window.arguments[5] : Ci.nsIHttpChannel.REFERRER_POLICY_DEFAULT);
-        loadURI(uriToLoad, referrerURI, window.arguments[3] || null,
-                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[6], !!window.arguments[6], window.arguments[7]);
-        window.focus();
-      }
-      // Note: loadOneOrMoreURIs *must not* be called if window.arguments.length >= 3.
-      // Such callers expect that window.arguments[0] is handled as a single URI.
-      else
-        loadOneOrMoreURIs(uriToLoad);
-    }
-
-    Services.obs.addObserver(gSessionHistoryObserver, "browser:purge-session-history", false);
-    Services.obs.addObserver(gXPInstallObserver, "addon-install-disabled", false);
-    Services.obs.addObserver(gXPInstallObserver, "addon-install-started", false);
-    Services.obs.addObserver(gXPInstallObserver, "addon-install-blocked", false);
-    Services.obs.addObserver(gXPInstallObserver, "addon-install-origin-blocked", false);
-    Services.obs.addObserver(gXPInstallObserver, "addon-install-failed", false);
-    Services.obs.addObserver(gXPInstallObserver, "addon-install-complete", false);
-    Services.obs.addObserver(gXSSObserver, "xss-on-violate-policy", false);
-
-    gPrefService.addObserver(gURLBarSettings.prefSuggest, gURLBarSettings, false);
-    gPrefService.addObserver(gURLBarSettings.prefKeyword, gURLBarSettings, false);
-
-    gURLBarSettings.writePlaceholder();
-
-    BrowserOffline.init();
-    OfflineApps.init();
-    IndexedDBPromptHelper.init();
-    AddonManager.addAddonListener(AddonsMgrListener);
-#ifdef MOZ_WEBRTC
-    WebrtcIndicator.init();
-#endif
-
-    // Ensure login manager is up and running.
-    Services.logins;
-
-    if (mustLoadSidebar) {
-      let sidebar = document.getElementById("sidebar");
-      let sidebarBox = document.getElementById("sidebar-box");
-      sidebar.setAttribute("src", sidebarBox.getAttribute("src"));
-    }
-
-    UpdateUrlbarSearchSplitterState();
-
-    if (!isLoadingBlank || !focusAndSelectUrlBar())
-      gBrowser.selectedBrowser.focus();
-
-    gNavToolbox.customizeDone = BrowserToolboxCustomizeDone;
-    gNavToolbox.customizeChange = BrowserToolboxCustomizeChange;
-
-    // Set up Sanitize Item
-    this._initializeSanitizer();
-
-    // Enable/Disable auto-hide tabbar
-    gBrowser.tabContainer.updateVisibility();
-
-    gPrefService.addObserver(gHomeButton.prefDomain, gHomeButton, false);
-
-    var homeButton = document.getElementById("home-button");
-    gHomeButton.updateTooltip(homeButton);
-    gHomeButton.updatePersonalToolbarStyle(homeButton);
-
-    // BiDi UI
-    gBidiUI = isBidiEnabled();
-    if (gBidiUI) {
-      document.getElementById("documentDirection-separator").hidden = false;
-      document.getElementById("documentDirection-swap").hidden = false;
-      document.getElementById("textfieldDirection-separator").hidden = false;
-      document.getElementById("textfieldDirection-swap").hidden = false;
-    }
-
-    // Setup click-and-hold gestures access to the session history
-    // menus if global click-and-hold isn't turned on
-    if (!Services.prefs.getBoolPref("ui.click_hold_context_menus", false))
-      SetClickAndHoldHandlers();
-
-    // Initialize the full zoom setting.
-    // We do this before the session restore service gets initialized so we can
-    // apply full zoom settings to tabs restored by the session restore service.
-    FullZoom.init();
-
-    // Bug 666804 - NetworkPrioritizer support for e10s
-    if (!gMultiProcessBrowser) {
-      let NP = {};
-      Cu.import("resource:///modules/NetworkPrioritizer.jsm", NP);
-      NP.trackBrowserWindow(window);
-    }
-
-    // initialize the session-restore service (in case it's not already running)
-    let ss = Cc["@mozilla.org/browser/sessionstore;1"].getService(Ci.nsISessionStore);
-    let ssPromise = ss.init(window);
-
-    PlacesToolbarHelper.init();
-
-    ctrlTab.readPref();
-    gPrefService.addObserver(ctrlTab.prefName, ctrlTab, false);
-    gPrefService.addObserver(allTabs.prefName, allTabs, false);
-
-    // Initialize the download manager some time after the app starts so that
-    // auto-resume downloads begin (such as after crashing or quitting with
-    // active downloads) and speeds up the first-load of the download manager UI.
-    // If the user manually opens the download manager before the timeout, the
-    // downloads will start right away, and getting the service again won't hurt.
-    setTimeout(function() {
-      try {
-        Cu.import("resource:///modules/DownloadsCommon.jsm", {})
-          .DownloadsCommon.initializeAllDataLinks();
-        Cu.import("resource:///modules/DownloadsTaskbar.jsm", {})
-          .DownloadsTaskbar.registerIndicator(window);
-      } catch(ex) {
-        Cu.reportError(ex);
-      }
-    }, 10000);
-
-    // Load the Login Manager data from disk off the main thread, some time
-    // after startup.  If the data is required before the timeout, for example
-    // because a restored page contains a password field, it will be loaded on
-    // the main thread, and this initialization request will be ignored.
-    setTimeout(function() {
-      try {
-        Services.logins;
-      } catch (ex) {
-        Cu.reportError(ex);
-      }
-    }, 3000);
-    
-    // The object handling the downloads indicator is also initialized here in the
-    // delayed startup function, but the actual indicator element is not loaded
-    // unless there are downloads to be displayed.
-    DownloadsButton.initializeIndicator();
-
-#ifndef XP_MACOSX
-    updateEditUIVisibility();
-    let placesContext = document.getElementById("placesContext");
-    placesContext.addEventListener("popupshowing", updateEditUIVisibility, false);
-    placesContext.addEventListener("popuphiding", updateEditUIVisibility, false);
-#endif
-
-#ifdef MOZ_PERSONAS
-    gBrowser.mPanelContainer.addEventListener("InstallBrowserTheme", LightWeightThemeWebInstaller, false, true);
-    gBrowser.mPanelContainer.addEventListener("PreviewBrowserTheme", LightWeightThemeWebInstaller, false, true);
-    gBrowser.mPanelContainer.addEventListener("ResetBrowserThemePreview", LightWeightThemeWebInstaller, false, true);
-#endif
-
-    // Bug 666808 - AeroPeek support for e10s
-    if (!gMultiProcessBrowser) {
-      if (Win7Features)
-        Win7Features.onOpenWindow();
-    }
-
-   // called when we go into full screen, even if initiated by a web page script
-    window.addEventListener("fullscreen", onFullScreen, true);
-
-    // Called when we enter DOM full-screen mode. Note we can already be in browser
-    // full-screen mode when we enter DOM full-screen mode.
-    window.addEventListener("MozDOMFullscreen:NewOrigin", onMozEnteredDomFullscreen, true);
-
-    if (window.fullScreen)
-      onFullScreen();
-    if (document.mozFullScreen)
-      onMozEnteredDomFullscreen();
-
-#ifdef MOZ_SERVICES_SYNC
-    // initialize the sync UI
-    gSyncUI.init();
-#endif
-
-    gBrowserThumbnails.init();
-
-    setUrlAndSearchBarWidthForConditionalForwardButton();
-    window.addEventListener("resize", function resizeHandler(event) {
-      if (event.target == window)
-        setUrlAndSearchBarWidthForConditionalForwardButton();
-    });
-
-    // Enable Error Console?
-    let consoleEnabled = gPrefService.getBoolPref("devtools.errorconsole.enabled");
-    if (consoleEnabled) {
-      let cmd = document.getElementById("Tools:ErrorConsole");
-      cmd.removeAttribute("disabled");
-      cmd.removeAttribute("hidden");
-    }
-
-#ifdef MENUBAR_CAN_AUTOHIDE
-    // If the user (or the locale) hasn't enabled the top-level "Character
-    // Encoding" menu via the "browser.menu.showCharacterEncoding" preference,
-    // hide it.
-    if ("true" != gPrefService.getComplexValue("browser.menu.showCharacterEncoding",
-                                               Ci.nsIPrefLocalizedString).data)
-      document.getElementById("appmenu_charsetMenu").hidden = true;
-#endif
-
-    let appMenuButton = document.getElementById("appmenu-button");
-    let appMenuPopup = document.getElementById("appmenu-popup");
-    if (appMenuButton && appMenuPopup) {
-      let appMenuOpening = null;
-      appMenuButton.addEventListener("mousedown", function(event) {
-        if (event.button == 0)
-          appMenuOpening = new Date();
-      }, false);
-      appMenuPopup.addEventListener("popupshown", function(event) {
-        if (event.target != appMenuPopup || !appMenuOpening)
-          return;
-        let duration = new Date() - appMenuOpening;
-        appMenuOpening = null;
-      }, false);
-    }
-
-    window.addEventListener("mousemove", MousePosTracker, false);
-    window.addEventListener("dragover", MousePosTracker, false);
-
-    // End startup crash tracking after a delay to catch crashes while restoring
-    // tabs and to postpone saving the pref to disk.
-    try {
-      const startupCrashEndDelay = 30 * 1000;
-      setTimeout(Services.startup.trackStartupCrashEnd, startupCrashEndDelay);
-    } catch (ex) {
-      Cu.reportError("Could not end startup crash tracking: " + ex);
-    }
-
-    ssPromise.then(() =>{
-      // Bail out if the window has been closed in the meantime.
-      if (window.closed) {
-        return;
-      }
-      if ("TabView" in window) {
-        TabView.init();
-      }
-      // XXX: do we still need this?...
-      setTimeout(function () { BrowserChromeTest.markAsReady(); }, 0);
-    });
-
-    this.delayedStartupFinished = true;
-
-    Services.obs.notifyObservers(window, "browser-delayed-startup-finished", "");
-  },
-
-  // Returns the URI(s) to load at startup.
-  _getUriToLoad: function () {
-    // window.arguments[0]: URI to load (string), or an nsISupportsArray of
-    //                      nsISupportsStrings to load, or a xul:tab of
-    //                      a tabbrowser, which will be replaced by this
-    //                      window (for this case, all other arguments are
-    //                      ignored).
-    if (!window.arguments || !window.arguments[0])
-      return null;
-
-    let uri = window.arguments[0];
-    let sessionStartup = Cc["@mozilla.org/browser/sessionstartup;1"]
-                           .getService(Ci.nsISessionStartup);
-    let defaultArgs = Cc["@mozilla.org/browser/clh;1"]
-                        .getService(Ci.nsIBrowserHandler)
-                        .defaultArgs;
-
-    // If the given URI matches defaultArgs (the default homepage) we want
-    // to block its load if we're going to restore a session anyway.
-    if (uri == defaultArgs && sessionStartup.willOverrideHomepage)
-      return null;
-
-    return uri;
-  },
-
-  onUnload: function() {
-    // In certain scenarios it's possible for unload to be fired before onload,
-    // (e.g. if the window is being closed after browser.js loads but before the
-    // load completes). In that case, there's nothing to do here.
-    if (!this._loadHandled)
-      return;
-
-    // First clean up services initialized in gBrowserInit.onLoad (or those whose
-    // uninit methods don't depend on the services having been initialized).
-    
-    allTabs.uninit();
-
-    CombinedStopReload.uninit();
-
-    gGestureSupport.init(false);
-
-    gHistorySwipeAnimation.uninit();
-
-    FullScreen.cleanup();
-
-    Services.obs.removeObserver(gPluginHandler.pluginCrashed, "plugin-crashed");
-
-    try {
-      gBrowser.removeProgressListener(window.XULBrowserWindow);
-      gBrowser.removeTabsProgressListener(window.TabsProgressListener);
-    } catch (ex) {
-    }
-
-    BookmarkingUI.uninit();
-
-    TabsOnTop.uninit();
-    
-    AudioIndicator.uninit();
-
-    TabsInTitlebar.uninit();
-    
-    ToolbarIconColor.uninit();
-
-#ifdef MOZ_DEVTOOLS
-    DevToolsTheme.uninit();
-#endif
-    gFindBarSettings.uninit();
-
-    UserAgentCompatibility.uninit();
-
-    var enumerator = Services.wm.getEnumerator(null);
-    enumerator.getNext();
-    if (!enumerator.hasMoreElements()) {
-      document.persist("sidebar-box", "sidebarcommand");
-      document.persist("sidebar-box", "width");
-      document.persist("sidebar-box", "src");
-      document.persist("sidebar-title", "value");
-    }
-
-    // Now either cancel delayedStartup, or clean up the services initialized from
-    // it.
-    if (this._boundDelayedStartup) {
-      this._cancelDelayedStartup();
-    } else {
-      if (Win7Features)
-        Win7Features.onCloseWindow();
-
-      gPrefService.removeObserver(ctrlTab.prefName, ctrlTab);
-      gPrefService.removeObserver(allTabs.prefName, allTabs);
-      ctrlTab.uninit();
-      if ("TabView" in window) {
-        TabView.uninit();
-      }
-      gBrowserThumbnails.uninit();
-      FullZoom.destroy();
-
-      Services.obs.removeObserver(gSessionHistoryObserver, "browser:purge-session-history");
-      Services.obs.removeObserver(gXPInstallObserver, "addon-install-disabled");
-      Services.obs.removeObserver(gXPInstallObserver, "addon-install-started");
-      Services.obs.removeObserver(gXPInstallObserver, "addon-install-blocked");
-      Services.obs.removeObserver(gXPInstallObserver, "addon-install-origin-blocked");
-      Services.obs.removeObserver(gXPInstallObserver, "addon-install-failed");
-      Services.obs.removeObserver(gXPInstallObserver, "addon-install-complete");
-      Services.obs.removeObserver(gXSSObserver, "xss-on-violate-policy");
-
-      try {
-        gPrefService.removeObserver(gURLBarSettings.prefSuggest, gURLBarSettings);
-        gPrefService.removeObserver(gURLBarSettings.prefKeyword, gURLBarSettings);
-      } catch (ex) {
-        Cu.reportError(ex);
-      }
-
-      try {
-        gPrefService.removeObserver(gHomeButton.prefDomain, gHomeButton);
-      } catch (ex) {
-        Cu.reportError(ex);
-      }
-
-      BrowserOffline.uninit();
-      OfflineApps.uninit();
-      IndexedDBPromptHelper.uninit();
-      AddonManager.removeAddonListener(AddonsMgrListener);
-    }
-
-    // Final window teardown, do this last.
-    window.XULBrowserWindow.destroy();
-    window.XULBrowserWindow = null;
-    window.QueryInterface(Ci.nsIInterfaceRequestor)
-          .getInterface(Ci.nsIWebNavigation)
-          .QueryInterface(Ci.nsIDocShellTreeItem).treeOwner
-          .QueryInterface(Ci.nsIInterfaceRequestor)
-          .getInterface(Ci.nsIXULWindow)
-          .XULBrowserWindow = null;
-    window.QueryInterface(Ci.nsIDOMChromeWindow).browserDOMWindow = null;
-  },
-
-#ifdef XP_MACOSX
-  // nonBrowserWindowStartup(), nonBrowserWindowDelayedStartup(), and
-  // nonBrowserWindowShutdown() are used for non-browser windows in
-  // macBrowserOverlay
-  nonBrowserWindowStartup: function() {
-    // Disable inappropriate commands / submenus
-    var disabledItems = ['Browser:SavePage',
-                         'Browser:SendLink', 'cmd_pageSetup', 'cmd_print', 'cmd_find', 'cmd_findAgain',
-                         'viewToolbarsMenu', 'viewSidebarMenuMenu', 'Browser:Reload',
-                         'viewFullZoomMenu', 'pageStyleMenu', 'charsetMenu', 'View:PageSource', 'View:FullScreen',
-                         'viewHistorySidebar', 'Browser:AddBookmarkAs', 'Browser:BookmarkAllTabs',
-                         'View:PageInfo', 'Browser:ToggleAddonBar'];
-    var element;
-
-    for (let disabledItem of disabledItems) {
-      element = document.getElementById(disabledItem);
-      if (element)
-        element.setAttribute("disabled", "true");
-    }
-
-    // If no windows are active (i.e. we're the hidden window), disable the close, minimize
-    // and zoom menu commands as well
-    if (window.location.href == "chrome://browser/content/hiddenWindow.xul") {
-      var hiddenWindowDisabledItems = ['cmd_close', 'minimizeWindow', 'zoomWindow'];
-      for (let hiddenWindowDisabledItem of hiddenWindowDisabledItems) {
-        element = document.getElementById(hiddenWindowDisabledItem);
-        if (element)
-          element.setAttribute("disabled", "true");
-      }
-
-      // also hide the window-list separator
-      element = document.getElementById("sep-window-list");
-      element.setAttribute("hidden", "true");
-
-      // Setup the dock menu.
-      let dockMenuElement = document.getElementById("menu_mac_dockmenu");
-      if (dockMenuElement != null) {
-        let nativeMenu = Cc["@mozilla.org/widget/standalonenativemenu;1"]
-                         .createInstance(Ci.nsIStandaloneNativeMenu);
-
-        try {
-          nativeMenu.init(dockMenuElement);
-
-          let dockSupport = Cc["@mozilla.org/widget/macdocksupport;1"]
-                            .getService(Ci.nsIMacDockSupport);
-          dockSupport.dockMenu = nativeMenu;
-        }
-        catch (e) {
-        }
-      }
-    }
-
-    if (PrivateBrowsingUtils.permanentPrivateBrowsing) {
-      document.getElementById("macDockMenuNewWindow").hidden = true;
-    }
-
-    this._delayedStartupTimeoutId = setTimeout(this.nonBrowserWindowDelayedStartup.bind(this), 0);
-  },
-
-  nonBrowserWindowDelayedStartup: function() {
-    this._delayedStartupTimeoutId = null;
-
-    // initialise the offline listener
-    BrowserOffline.init();
-
-    // Set up Sanitize Item
-    this._initializeSanitizer();
-
-    // initialize the private browsing UI
-    gPrivateBrowsingUI.init();
-
-#ifdef MOZ_SERVICES_SYNC
-    // initialize the sync UI
-    gSyncUI.init();
-#endif
-  },
-
-  nonBrowserWindowShutdown: function() {
-    // If nonBrowserWindowDelayedStartup hasn't run yet, we have no work to do -
-    // just cancel the pending timeout and return;
-    if (this._delayedStartupTimeoutId) {
-      clearTimeout(this._delayedStartupTimeoutId);
-      return;
-    }
-
-    BrowserOffline.uninit();
-  },
-#endif
-
-  _initializeSanitizer: function() {
-    const kDidSanitizeDomain = "privacy.sanitize.didShutdownSanitize";
-    if (gPrefService.prefHasUserValue(kDidSanitizeDomain)) {
-      gPrefService.clearUserPref(kDidSanitizeDomain);
-      // We need to persist this preference change, since we want to
-      // check it at next app start even if the browser exits abruptly
-      gPrefService.savePrefFile(null);
-    }
-
-    /**
-     * Migrate Firefox 3.0 privacy.item prefs under one of these conditions:
-     *
-     * a) User has customized any privacy.item prefs
-     * b) privacy.sanitize.sanitizeOnShutdown is set
-     */
-    if (!gPrefService.getBoolPref("privacy.sanitize.migrateFx3Prefs")) {
-      let itemBranch = gPrefService.getBranch("privacy.item.");
-      let itemArray = itemBranch.getChildList("");
-
-      // See if any privacy.item prefs are set
-      let doMigrate = itemArray.some(function (name) itemBranch.prefHasUserValue(name));
-      // Or if sanitizeOnShutdown is set
-      if (!doMigrate)
-        doMigrate = gPrefService.getBoolPref("privacy.sanitize.sanitizeOnShutdown");
-
-      if (doMigrate) {
-        let cpdBranch = gPrefService.getBranch("privacy.cpd.");
-        let clearOnShutdownBranch = gPrefService.getBranch("privacy.clearOnShutdown.");
-        for (let name of itemArray) {
-          try {
-            // don't migrate password or offlineApps clearing in the CRH dialog since
-            // there's no UI for those anymore. They default to false. bug 497656
-            if (name != "passwords" && name != "offlineApps")
-              cpdBranch.setBoolPref(name, itemBranch.getBoolPref(name));
-            clearOnShutdownBranch.setBoolPref(name, itemBranch.getBoolPref(name));
-          }
-          catch(e) {
-            Cu.reportError("Exception thrown during privacy pref migration: " + e);
-          }
-        }
-      }
-
-      gPrefService.setBoolPref("privacy.sanitize.migrateFx3Prefs", true);
-    }
-  },
-}
-
-
-/* Legacy global init functions */
-var BrowserStartup        = gBrowserInit.onLoad.bind(gBrowserInit);
-var BrowserShutdown       = gBrowserInit.onUnload.bind(gBrowserInit);
-#ifdef XP_MACOSX
-var nonBrowserWindowStartup        = gBrowserInit.nonBrowserWindowStartup.bind(gBrowserInit);
-var nonBrowserWindowDelayedStartup = gBrowserInit.nonBrowserWindowDelayedStartup.bind(gBrowserInit);
-var nonBrowserWindowShutdown       = gBrowserInit.nonBrowserWindowShutdown.bind(gBrowserInit);
-#endif
-
-function HandleAppCommandEvent(evt) {
-  switch (evt.command) {
-  case "Back":
-    BrowserBack();
-    break;
-  case "Forward":
-    BrowserForward();
-    break;
-  case "Reload":
-    BrowserReloadSkipCache();
-    break;
-  case "Stop":
-    if (XULBrowserWindow.stopCommand.getAttribute("disabled") != "true")
-      BrowserStop();
-    break;
-  case "Search":
-    BrowserSearch.webSearch();
-    break;
-  case "Bookmarks":
-    toggleSidebar('viewBookmarksSidebar');
-    break;
-  case "Home":
-    BrowserHome();
-    break;
-  case "New":
-    BrowserOpenTab();
-    break;
-  case "Close":
-    BrowserCloseTabOrWindow();
-    break;
-  case "Find":
-    gFindBar.onFindCommand();
-    break;
-  case "Help":
-    openHelpLink('firefox-help');
-    break;
-  case "Open":
-    BrowserOpenFileWindow();
-    break;
-  case "Print":
-    PrintUtils.print();
-    break;
-  case "Save":
-    saveDocument(window.content.document);
-    break;
-  case "SendMail":
-    MailIntegration.sendLinkForWindow(window.content);
-    break;
-  default:
-    return;
-  }
-  evt.stopPropagation();
-  evt.preventDefault();
-}
-
-function gotoHistoryIndex(aEvent) {
-  let index = aEvent.target.getAttribute("index");
-  if (!index)
-    return false;
-
-  let where = whereToOpenLink(aEvent);
-
-  if (where == "current") {
-    // Normal click. Go there in the current tab and update session history.
-
-    try {
-      gBrowser.gotoIndex(index);
-    }
-    catch(ex) {
-      return false;
-    }
-    return true;
-  }
-  // Modified click. Go there in a new tab/window.
-
-  duplicateTabIn(gBrowser.selectedTab, where, index - gBrowser.sessionHistory.index);
-  return true;
-}
-
-function BrowserForward(aEvent) {
-  let where = whereToOpenLink(aEvent, false, true);
-
-  if (where == "current") {
-    try {
-      gBrowser.goForward();
-    }
-    catch(ex) {
-    }
-  }
-  else {
-    duplicateTabIn(gBrowser.selectedTab, where, 1);
-  }
-}
-
-function BrowserBack(aEvent) {
-  let where = whereToOpenLink(aEvent, false, true);
-
-  if (where == "current") {
-    try {
-      gBrowser.goBack();
-    }
-    catch(ex) {
-    }
-  }
-  else {
-    duplicateTabIn(gBrowser.selectedTab, where, -1);
-  }
-}
-
-function BrowserHandleBackspace()
-{
-  switch (gPrefService.getIntPref("browser.backspace_action")) {
-  case 0:
-    BrowserBack();
-    break;
-  case 1:
-    goDoCommand("cmd_scrollPageUp");
-    break;
-  }
-}
-
-function BrowserHandleShiftBackspace()
-{
-  switch (gPrefService.getIntPref("browser.backspace_action")) {
-  case 0:
-    BrowserForward();
-    break;
-  case 1:
-    goDoCommand("cmd_scrollPageDown");
-    break;
-  }
-}
-
-function BrowserStop() {
-  const stopFlags = nsIWebNavigation.STOP_ALL;
-  gBrowser.webNavigation.stop(stopFlags);
-}
-
-function BrowserReloadOrDuplicate(aEvent) {
-  var backgroundTabModifier = aEvent.button == 1 ||
-#ifdef XP_MACOSX
-    aEvent.metaKey;
-#else
-    aEvent.ctrlKey;
-#endif
-  if (aEvent.shiftKey && !backgroundTabModifier) {
-    BrowserReloadSkipCache();
-    return;
-  }
-
-  let where = whereToOpenLink(aEvent, false, true);
-  if (where == "current")
-    BrowserReload();
-  else
-    duplicateTabIn(gBrowser.selectedTab, where);
-}
-
-function BrowserReload() {
-  const reloadFlags = nsIWebNavigation.LOAD_FLAGS_NONE;
-  BrowserReloadWithFlags(reloadFlags);
-}
-
-function BrowserReloadSkipCache() {
-  // Bypass proxy and cache.
-  const reloadFlags = nsIWebNavigation.LOAD_FLAGS_BYPASS_PROXY | nsIWebNavigation.LOAD_FLAGS_BYPASS_CACHE;
-  BrowserReloadWithFlags(reloadFlags);
-}
-
-var BrowserHome = BrowserGoHome;
-function BrowserGoHome(aEvent) {
-  if (aEvent && "button" in aEvent &&
-      aEvent.button == 2) // right-click: do nothing
-    return;
-
-  var homePage = gHomeButton.getHomePage();
-  var where = whereToOpenLink(aEvent, false, true);
-  var urls;
-
-  // Home page should open in a new tab when current tab is an app tab
-  if (where == "current" &&
-      gBrowser &&
-      gBrowser.selectedTab.pinned)
-    where = "tab";
-
-  // openUILinkIn in utilityOverlay.js doesn't handle loading multiple pages
-  switch (where) {
-  case "current":
-    loadOneOrMoreURIs(homePage);
-    break;
-  case "tabshifted":
-  case "tab":
-    urls = homePage.split("|");
-    var loadInBackground = Services.prefs.getBoolPref("browser.tabs.loadBookmarksInBackground", false);
-    gBrowser.loadTabs(urls, loadInBackground);
-    break;
-  case "window":
-    OpenBrowserWindow();
-    break;
-  }
-}
-
-function loadOneOrMoreURIs(aURIString)
-{
-#ifdef XP_MACOSX
-  // we're not a browser window, pass the URI string to a new browser window
-  if (window.location.href != getBrowserURL())
-  {
-    window.openDialog(getBrowserURL(), "_blank", "all,dialog=no", aURIString);
-    return;
-  }
-#endif
-  // This function throws for certain malformed URIs, so use exception handling
-  // so that we don't disrupt startup
-  try {
-    gBrowser.loadTabs(aURIString.split("|"), false, true);
-  }
-  catch (e) {
-  }
-}
-
-function focusAndSelectUrlBar() {
-  if (gURLBar) {
-    if (window.fullScreen)
-      FullScreen.showNavToolbox();
-
-    gURLBar.select();
-    if (document.activeElement == gURLBar.inputField)
-      return true;
-  }
-  return false;
-}
-
-function openLocation() {
-  if (focusAndSelectUrlBar())
-    return;
-
-#ifdef XP_MACOSX
-  if (window.location.href != getBrowserURL()) {
-    var win = getTopWin();
-    if (win) {
-      // If there's an open browser window, it should handle this command
-      win.focus()
-      win.openLocation();
-    }
-    else {
-      // If there are no open browser windows, open a new one
-      win = window.openDialog("chrome://browser/content/", "_blank",
-                              "chrome,all,dialog=no", BROWSER_NEW_TAB_URL);
-      win.addEventListener("load", openLocationCallback, false);
-    }
-    return;
-  }
-#endif
-  openDialog("chrome://browser/content/openLocation.xul", "_blank",
-             "chrome,modal,titlebar", window);
-}
-
-function openLocationCallback()
-{
-  // make sure the DOM is ready
-  setTimeout(function() { this.openLocation(); }, 0);
-}
-
-function BrowserOpenTab()
-{
-  openUILinkIn(BROWSER_NEW_TAB_URL, "tab");
-}
-
-/* Called from the openLocation dialog. This allows that dialog to instruct
-   its opener to open a new window and then step completely out of the way.
-   Anything less byzantine is causing horrible crashes, rather believably,
-   though oddly only on Linux. */
-function delayedOpenWindow(chrome, flags, href, postData)
-{
-  // The other way to use setTimeout,
-  // setTimeout(openDialog, 10, chrome, "_blank", flags, url),
-  // doesn't work here.  The extra "magic" extra argument setTimeout adds to
-  // the callback function would confuse gBrowserInit.onLoad() by making
-  // window.arguments[1] be an integer instead of null.
-  setTimeout(function() { openDialog(chrome, "_blank", flags, href, null, null, postData); }, 10);
-}
-
-/* Required because the tab needs time to set up its content viewers and get the load of
-   the URI kicked off before becoming the active content area. */
-function delayedOpenTab(aUrl, aReferrer, aCharset, aPostData, aAllowThirdPartyFixup)
-{
-  gBrowser.loadOneTab(aUrl, {
-                      referrerURI: aReferrer,
-                      charset: aCharset,
-                      postData: aPostData,
-                      inBackground: false,
-                      allowThirdPartyFixup: aAllowThirdPartyFixup});
-}
-
-var gLastOpenDirectory = {
-  _lastDir: null,
-  get path() {
-    if (!this._lastDir || !this._lastDir.exists()) {
-      try {
-        this._lastDir = gPrefService.getComplexValue("browser.open.lastDir",
-                                                     Ci.nsILocalFile);
-        if (!this._lastDir.exists())
-          this._lastDir = null;
-      }
-      catch(e) {}
-    }
-    return this._lastDir;
-  },
-  set path(val) {
-    try {
-      if (!val || !val.isDirectory())
-        return;
-    } catch(e) {
-      return;
-    }
-    this._lastDir = val.clone();
-
-    // Don't save the last open directory pref inside the Private Browsing mode
-    if (!PrivateBrowsingUtils.isWindowPrivate(window))
-      gPrefService.setComplexValue("browser.open.lastDir", Ci.nsILocalFile,
-                                   this._lastDir);
-  },
-  reset: function() {
-    this._lastDir = null;
-  }
-};
-
-function BrowserOpenFileWindow()
-{
-  // Get filepicker component.
-  try {
-    const nsIFilePicker = Ci.nsIFilePicker;
-    let fp = Cc["@mozilla.org/filepicker;1"].createInstance(nsIFilePicker);
-    let fpCallback = function fpCallback_done(aResult) {
-      if (aResult == nsIFilePicker.returnOK) {
-        try {
-          if (fp.file) {
-            gLastOpenDirectory.path =
-              fp.file.parent.QueryInterface(Ci.nsILocalFile);
-          }
-        } catch (ex) {
-        }
-        openUILinkIn(fp.fileURL.spec, "current");
-      }
-    };
-
-    fp.init(window, gNavigatorBundle.getString("openFile"),
-            nsIFilePicker.modeOpen);
-    fp.appendFilters(nsIFilePicker.filterAll | nsIFilePicker.filterText |
-                     nsIFilePicker.filterImages | nsIFilePicker.filterXML |
-                     nsIFilePicker.filterHTML);
-    fp.displayDirectory = gLastOpenDirectory.path;
-    fp.open(fpCallback);
-  } catch (ex) {
-  }
-}
-
-function BrowserCloseTabOrWindow() {
-#ifdef XP_MACOSX
-  // If we're not a browser window, just close the window
-  if (window.location.href != getBrowserURL()) {
-    closeWindow(true);
-    return;
-  }
-#endif
-
-  // If the current tab is the last one, this will close the window.
-  gBrowser.removeCurrentTab({animate: true});
-}
-
-function BrowserTryToCloseWindow()
-{
-  if (WindowIsClosing())
-    window.close();     // WindowIsClosing does all the necessary checks
-}
-
-function loadURI(uri, referrer, postData, allowThirdPartyFixup, referrerPolicy,
-                 originPrincipal, forceAboutBlankViewerInCurrent,
-                 triggeringPrincipal) {
-  if (postData === undefined)
-    postData = null;
-
-  var flags = nsIWebNavigation.LOAD_FLAGS_NONE;
-  if (allowThirdPartyFixup) {
-    flags |= nsIWebNavigation.LOAD_FLAGS_ALLOW_THIRD_PARTY_FIXUP;
-    flags |= nsIWebNavigation.LOAD_FLAGS_FIXUP_SCHEME_TYPOS;
-  }
-
-  try {
-    gBrowser.loadURIWithFlags(uri, {
-                              flags: flags,
-                              referrerURI: referrer,
-                              referrerPolicy: referrerPolicy,
-                              postData: postData,
-                              originPrincipal: originPrincipal,
-                              triggeringPrincipal: triggeringPrincipal,
-                              forceAboutBlankViewerInCurrent: forceAboutBlankViewerInCurrent,
-                              });
-  } catch (e) {}
-}
-
-/**
- * Given a urlbar value, discerns between URIs, keywords and aliases.
- *
- * @param url
- *        The urlbar value.
- * @param callback (optional, deprecated)
- *        The callback function invoked when done. This parameter is
- *        deprecated, please use the Promise that is returned.
- *
- * @return Promise<{ postData, url, mayInheritPrincipal }>
- */
-function getShortcutOrURIAndPostData(url, callback = null) {
-  if (callback) {
-    Deprecated.warning("Please use the Promise returned by " +
-                       "getShortcutOrURIAndPostData() instead of passing a " +
-                       "callback",
-                       "https://bugzilla.mozilla.org/show_bug.cgi?id=1100294");
-  }
-
-  return Task.spawn(function* () {
-    let mayInheritPrincipal = false;
-    let postData = null;
-    let shortcutURL = null;
-    let keyword = url;
-    let param = "";
-
-    let offset = url.indexOf(" ");
-    if (offset > 0) {
-      keyword = url.substr(0, offset);
-      param = url.substr(offset + 1);
-    }
-
-    let engine = Services.search.getEngineByAlias(keyword);
-    if (engine) {
-      let submission = engine.getSubmission(param, null, "keyword");
-      postData = submission.postData;
-      return { postData: submission.postData, url: submission.uri.spec,
-               mayInheritPrincipal };
-    }
-
-    let entry = yield PlacesUtils.keywords.fetch(keyword);
-    if (entry) {
-      shortcutURL = entry.url.href;
-      postData = entry.postData;
-    }
-
-    if (!shortcutURL) {
-      return { postData, url, mayInheritPrincipal };
-    }
-
-    let escapedPostData = "";
-    if (postData)
-      escapedPostData = unescape(postData);
-
-    if (/%s/i.test(shortcutURL) || /%s/i.test(escapedPostData)) {
-      let charset = "";
-      const re = /^(.*)\&mozcharset=([a-zA-Z][_\-a-zA-Z0-9]+)\s*$/;
-      let matches = shortcutURL.match(re);
-
-      if (matches) {
-        [, shortcutURL, charset] = matches;
-      } else {
-        let uri;
-        try {
-          // makeURI() throws if URI is invalid.
-          uri = makeURI(shortcutURL);
-        } catch (ex) {}
-
-        if (uri) {
-          // Try to get the saved character-set.
-          // Will return an empty string if character-set is not found.
-          charset = yield PlacesUtils.getCharsetForURI(uri);
-        }
-      }
-
-      // encodeURIComponent produces UTF-8, and cannot be used for other charsets.
-      // escape() works in those cases, but it doesn't uri-encode +, @, and /.
-      // Therefore we need to manually replace these ASCII characters by their
-      // encodeURIComponent result, to match the behavior of nsEscape() with
-      // url_XPAlphas
-      let encodedParam = "";
-      if (charset && charset != "UTF-8")
-        encodedParam = escape(convertFromUnicode(charset, param)).
-                       replace(/[+@\/]+/g, encodeURIComponent);
-      else // Default charset is UTF-8
-        encodedParam = encodeURIComponent(param);
-
-      shortcutURL = shortcutURL.replace(/%s/g, encodedParam).replace(/%S/g, param);
-
-      if (/%s/i.test(escapedPostData)) // POST keyword
-        postData = getPostDataStream(escapedPostData, param, encodedParam,
-                                     "application/x-www-form-urlencoded");
-
-      // This URL came from a bookmark, so it's safe to let it inherit the current
-      // document's principal.
-      mayInheritPrincipal = true;
-
-      return { postData, url: shortcutURL, mayInheritPrincipal };
-    }
-
-    if (param) {
-      // This keyword doesn't take a parameter, but one was provided. Just return
-      // the original URL.
-      postData = null;
-
-      return { postData, url, mayInheritPrincipal };
-    }
-
-    // This URL came from a bookmark, so it's safe to let it inherit the current
-    // document's principal.
-    mayInheritPrincipal = true;
-
-    return { postData, url: shortcutURL, mayInheritPrincipal };
-  }).then(data => {
-    if (callback) {
-      callback(data);
-    }
-
-    return data;
-  });
-}
-
-function getPostDataStream(aStringData, aKeyword, aEncKeyword, aType) {
-  var dataStream = Cc["@mozilla.org/io/string-input-stream;1"].
-                   createInstance(Ci.nsIStringInputStream);
-  aStringData = aStringData.replace(/%s/g, aEncKeyword).replace(/%S/g, aKeyword);
-  dataStream.data = aStringData;
-
-  var mimeStream = Cc["@mozilla.org/network/mime-input-stream;1"].
-                   createInstance(Ci.nsIMIMEInputStream);
-  mimeStream.addHeader("Content-Type", aType);
-  mimeStream.addContentLength = true;
-  mimeStream.setData(dataStream);
-  return mimeStream.QueryInterface(Ci.nsIInputStream);
-}
-
-function getLoadContext() {
-  return window.QueryInterface(Ci.nsIInterfaceRequestor)
-               .getInterface(Ci.nsIWebNavigation)
-               .QueryInterface(Ci.nsILoadContext);
-}
-
-function readFromClipboard()
-{
-  var url;
-
-  try {
-    // Create transferable that will transfer the text.
-    var trans = Components.classes["@mozilla.org/widget/transferable;1"]
-                          .createInstance(Components.interfaces.nsITransferable);
-    trans.init(getLoadContext());
-
-    trans.addDataFlavor("text/unicode");
-
-    // If available, use selection clipboard, otherwise global one
-    if (Services.clipboard.supportsSelectionClipboard())
-      Services.clipboard.getData(trans, Services.clipboard.kSelectionClipboard);
-    else
-      Services.clipboard.getData(trans, Services.clipboard.kGlobalClipboard);
-
-    var data = {};
-    var dataLen = {};
-    trans.getTransferData("text/unicode", data, dataLen);
-
-    if (data) {
-      data = data.value.QueryInterface(Components.interfaces.nsISupportsString);
-      url = data.data.substring(0, dataLen.value / 2);
-    }
-  } catch (ex) {
-  }
-
-  return url;
-}
-
-function BrowserViewSourceOfDocument(aArgsOrDocument)
-{
-  let args;
-
-  if (aArgsOrDocument instanceof Document) {
-    let doc = aArgsOrDocument;
-
-    let requestor = doc.defaultView
-                       .QueryInterface(Ci.nsIInterfaceRequestor);
-    let browser = requestor.getInterface(Ci.nsIWebNavigation)
-                           .QueryInterface(Ci.nsIDocShell)
-                           .chromeEventHandler;
-    let outerWindowID = requestor.getInterface(Ci.nsIDOMWindowUtils)
-                                 .outerWindowID;
-    let URL = browser.currentURI.spec;
-    args = { browser, outerWindowID, URL };
-  } else {
-    args = aArgsOrDocument;
-  }
-
-  let viewInternal = () => {
-    top.gViewSourceUtils.viewSource(args);
-  }
-
-  // Check if external view source is enabled.  If so, try it.  If it fails,
-  // fallback to internal view source.
-  if (Services.prefs.getBoolPref("view_source.editor.external")) {
-    top.gViewSourceUtils
-       .openInExternalEditor(args, null, null, null, result => {
-      if (!result) {
-        viewInternal();
-      }
-    });
-  } else {
-    // Display using internal view source
-    viewInternal();
-  }
-}
-
-// doc - document to use for source, or null for this window's document
-// initialTab - name of the initial tab to display, or null for the first tab
-// imageElement - image to load in the Media Tab of the Page Info window; can be null/omitted
-function BrowserPageInfo(doc, initialTab, imageElement) {
-  var args = {doc: doc, initialTab: initialTab, imageElement: imageElement};
-  var windows = Services.wm.getEnumerator("Browser:page-info");
-
-  var documentURL = doc ? doc.location : window.content.document.location;
-
-  // Check for windows matching the url
-  while (windows.hasMoreElements()) {
-    var currentWindow = windows.getNext();
-    if (currentWindow.document.documentElement.getAttribute("relatedUrl") == documentURL) {
-      currentWindow.focus();
-      currentWindow.resetPageInfo(args);
-      return currentWindow;
-    }
-  }
-
-  // We didn't find a matching window, so open a new one.
-  return openDialog("chrome://browser/content/pageinfo/pageInfo.xul", "",
-                    "chrome,toolbar,dialog=no,resizable", args);
-}
-
-function URLBarSetURI(aURI) {
-  var value = gBrowser.userTypedValue;
-  var valid = false;
-
-  if (value == null) {
-    let uri = aURI || gBrowser.currentURI;
-    // Strip off "wyciwyg://" and passwords for the location bar
-    try {
-      uri = Services.uriFixup.createExposableURI(uri);
-    } catch (e) {}
-
-    // Replace initial page URIs with an empty string
-    // only if there's no opener (bug 370555).
-    // Bug 863515 - Make content.opener checks work in electrolysis.
-    if (gInitialPages.indexOf(uri.spec) != -1)
-      value = !gMultiProcessBrowser && content.opener ? uri.spec : "";
-    else
-      value = losslessDecodeURI(uri);
-
-    valid = !isBlankPageURL(uri.spec);
-  }
-
-  let isDifferentValidValue = valid && value != gURLBar.value;
-  gURLBar.value = value;
-  gURLBar.valueIsTyped = !valid;
-  if (isDifferentValidValue) {
-    gURLBar.selectionStart = gURLBar.selectionEnd = 0;
-  }
-
-  SetPageProxyState(valid ? "valid" : "invalid");
-}
-
-function losslessDecodeURI(aURI) {
-  let scheme = aURI.scheme;
-  let decodeASCIIOnly = !(/(https|http|file|ftp)/i.test(scheme));
-  
-  var value = aURI.spec;
-  
-  // Try to decode as UTF-8 if there's no encoding sequence that we would break.
-  if (!/%25(?:3B|2F|3F|3A|40|26|3D|2B|24|2C|23)/i.test(value)) {
-    if (decodeASCIIOnly) {
-      // This only decodes ASCII characters (hex) 20-7e, except 25 (%).
-      // This avoids both cases stipulated below (%-related issues, and \r, \n
-      // and \t, which would be %0d, %0a and %09, respectively) as well as any
-      // non-US-ascii characters.
-      value = value.replace(/%(2[0-4]|2[6-9a-f]|[3-6][0-9a-f]|7[0-9a-e])/g, decodeURI);
-    } else {
-      try {
-        value = decodeURI(value)
-                  // 1. decodeURI decodes %25 to %, which creates unintended
-                  //    encoding sequences. Re-encode it, unless it's part of
-                  //    a sequence that survived decodeURI, i.e. one for:
-                  //    ';', '/', '?', ':', '@', '&', '=', '+', '$', ',', '#'
-                  //    (RFC 3987 section 3.2)
-                  // 2. Re-encode whitespace so that it doesn't get eaten away
-                  //    by the location bar (bug 410726).
-                  .replace(/%(?!3B|2F|3F|3A|40|26|3D|2B|24|2C|23)|[\r\n\t]/ig,
-                           encodeURIComponent);
-      } catch (e) {}
-    }
-  }
-  
-  // Encode invisible characters (C0/C1 control characters, U+007F [DEL],
-  // U+00A0 [no-break space], line and paragraph separator,
-  // object replacement character) (bug 452979, bug 909264)
-  value = value.replace(/[\u0000-\u001f\u007f-\u00a0\u2028\u2029\ufffc]/g,
-                        encodeURIComponent);
-
-  // Encode default ignorable characters (bug 546013)
-  // except ZWNJ (U+200C) and ZWJ (U+200D) (bug 582186).
-  // This includes all bidirectional formatting characters.
-  // (RFC 3987 sections 3.2 and 4.1 paragraph 6)
-  value = value.replace(/[\u00ad\u034f\u115f-\u1160\u17b4-\u17b5\u180b-\u180d\u200b\u200e-\u200f\u202a-\u202e\u2060-\u206f\u3164\ufe00-\ufe0f\ufeff\uffa0\ufff0-\ufff8]|\ud834[\udd73-\udd7a]|[\udb40-\udb43][\udc00-\udfff]/g,
-                        encodeURIComponent);
-  return value;
-}
-
-function UpdateUrlbarSearchSplitterState()
-{
-  var splitter = document.getElementById("urlbar-search-splitter");
-  var urlbar = document.getElementById("urlbar-container");
-  var searchbar = document.getElementById("search-container");
-  var stop = document.getElementById("stop-button");
-
-  var ibefore = null;
-  if (urlbar && searchbar) {
-    if (urlbar.nextSibling == searchbar ||
-        urlbar.getAttribute("combined") &&
-        stop && stop.nextSibling == searchbar)
-      ibefore = searchbar;
-    else if (searchbar.nextSibling == urlbar)
-      ibefore = urlbar;
-  }
-
-  if (ibefore) {
-    if (!splitter) {
-      splitter = document.createElement("splitter");
-      splitter.id = "urlbar-search-splitter";
-      splitter.setAttribute("resizebefore", "flex");
-      splitter.setAttribute("resizeafter", "flex");
-      splitter.setAttribute("skipintoolbarset", "true");
-      splitter.className = "chromeclass-toolbar-additional";
-    }
-    urlbar.parentNode.insertBefore(splitter, ibefore);
-  } else if (splitter)
-    splitter.parentNode.removeChild(splitter);
-}
-
-function setUrlAndSearchBarWidthForConditionalForwardButton() {
-  // Workaround for bug 694084: Showing/hiding the conditional forward button resizes
-  // the search bar when the url/search bar splitter hasn't been used.
-  var urlbarContainer = document.getElementById("urlbar-container");
-  var searchbarContainer = document.getElementById("search-container");
-  if (!urlbarContainer ||
-      !searchbarContainer ||
-      urlbarContainer.hasAttribute("width") ||
-      searchbarContainer.hasAttribute("width") ||
-      urlbarContainer.parentNode != searchbarContainer.parentNode)
-    return;
-  urlbarContainer.style.width = searchbarContainer.style.width = "";
-  var urlbarWidth = urlbarContainer.clientWidth;
-  var searchbarWidth = searchbarContainer.clientWidth;
-  urlbarContainer.style.width = urlbarWidth + "px";
-  searchbarContainer.style.width = searchbarWidth + "px";
-}
-
-function UpdatePageProxyState()
-{
-  if (gURLBar && gURLBar.value != gLastValidURLStr)
-    SetPageProxyState("invalid");
-}
-
-function SetPageProxyState(aState)
-{
-  BookmarkingUI.onPageProxyStateChanged(aState);
-
-  if (!gURLBar)
-    return;
-
-  if (!gProxyFavIcon)
-    gProxyFavIcon = document.getElementById("page-proxy-favicon");
-
-  gURLBar.setAttribute("pageproxystate", aState);
-  gProxyFavIcon.setAttribute("pageproxystate", aState);
-
-  // the page proxy state is set to valid via OnLocationChange, which
-  // gets called when we switch tabs.
-  if (aState == "valid") {
-    gLastValidURLStr = gURLBar.value;
-    gURLBar.addEventListener("input", UpdatePageProxyState, false);
-    PageProxySetIcon(gBrowser.getIcon());
-  } else if (aState == "invalid") {
-    gURLBar.removeEventListener("input", UpdatePageProxyState, false);
-    PageProxyClearIcon();
-  }
-}
-
-function PageProxySetIcon (aURL)
-{
-  if (!gProxyFavIcon)
-    return;
-
-  if (gBrowser.selectedBrowser.contentDocument instanceof ImageDocument) {
-    // PageProxyClearIcon();
-    gProxyFavIcon.setAttribute("src", "chrome://browser/skin/imagedocument.png");
-    return;
-  }
-
-  if (!aURL)
-    PageProxyClearIcon();
-  else if (gProxyFavIcon.getAttribute("src") != aURL)
-    gProxyFavIcon.setAttribute("src", aURL);
-}
-
-function PageProxyClearIcon ()
-{
-  gProxyFavIcon.removeAttribute("src");
-}
-
-
-function PageProxyClickHandler(aEvent)
-{
-  if (aEvent.button == 1 && gPrefService.getBoolPref("middlemouse.paste"))
-    middleMousePaste(aEvent);
-}
-
-/**
- *  Handle load of some pages (about:*) so that we can make modifications
- *  to the DOM for unprivileged pages.
- */
-function BrowserOnAboutPageLoad(doc) {
-
-  /* === about:home === */
-
-  if (doc.documentURI.toLowerCase() == "about:home") {
-    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;
-    if (AboutHomeUtils.showKnowYourRights) {
-      docElt.setAttribute("showKnowYourRights", "true");
-      // Set pref to indicate we've shown the notification.
-      let currentVersion = Services.prefs.getIntPref("browser.rights.version");
-      Services.prefs.setBoolPref("browser.rights." + currentVersion + ".shown", true);
-    }
-
-    function updateSearchEngine() {
-      let engine = AboutHomeUtils.defaultSearchEngine;
-      docElt.setAttribute("searchEngineName", engine.name);
-      docElt.setAttribute("searchEnginePostData", engine.postDataString || "");
-      docElt.setAttribute("searchEngineURL", engine.searchURL);
-    }
-    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.
-    Services.obs.addObserver(updateSearchEngine, "browser-search-engine-modified", false);
-
-    // Remove the observer when the page is reloaded or closed.
-    doc.defaultView.addEventListener("pagehide", function removeObserver() {
-      doc.defaultView.removeEventListener("pagehide", removeObserver);
-      Services.obs.removeObserver(updateSearchEngine, "browser-search-engine-modified");
-    }, false);
-  }
-
-  /* === about:newtab === */
-  
-  if (doc.documentURI.toLowerCase() == "about:newtab") {
-
-    let docElt = doc.documentElement;
-
-    function updateSearchEngine() {
-      let engine = AboutHomeUtils.defaultSearchEngine;
-      docElt.setAttribute("searchEngineName", engine.name);
-      docElt.setAttribute("searchEnginePostData", engine.postDataString || "");
-      docElt.setAttribute("searchEngineURL", engine.searchURL);
-    }
-    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.
-    Services.obs.addObserver(updateSearchEngine, "browser-search-engine-modified", false);
-
-    // Remove the observer when the page is reloaded or closed.
-    doc.defaultView.addEventListener("pagehide", function removeObserver() {
-      doc.defaultView.removeEventListener("pagehide", removeObserver);
-      Services.obs.removeObserver(updateSearchEngine, "browser-search-engine-modified");
-    }, false);
-  }
-
-}
-
-/**
- * Handle command events bubbling up from error page content
- */
-var BrowserOnClick = {
-  handleEvent: function BrowserOnClick_handleEvent(aEvent) {
-    if (!aEvent.isTrusted || // Don't trust synthetic events
-        aEvent.button == 2 || aEvent.target.localName != "button") {
-      return;
-    }
-
-    let originalTarget = aEvent.originalTarget;
-    let ownerDoc = originalTarget.ownerDocument;
-
-    // If the event came from an ssl error page, it is probably either the "Add
-    // Exception…" or "Get me out of here!" button
-    if (ownerDoc.documentURI.startsWith("about:certerror")) {
-      this.onAboutCertError(originalTarget, ownerDoc);
-    }
-    else if (ownerDoc.documentURI.startsWith("about:neterror")) {
-      this.onAboutNetError(originalTarget, ownerDoc);
-    }
-    else if (ownerDoc.documentURI.toLowerCase() == "about:home") {
-      this.onAboutHome(originalTarget, ownerDoc);
-    }
-  },
-
-  onAboutCertError: function BrowserOnClick_onAboutCertError(aTargetElm, aOwnerDoc) {
-    let elmId = aTargetElm.getAttribute("id");
-    let isTopFrame = (aOwnerDoc.defaultView.parent === aOwnerDoc.defaultView);
-
-    switch (elmId) {
-      case "exceptionDialogButton":
-        let params = { exceptionAdded : false };
-
-        try {
-          switch (Services.prefs.getIntPref("browser.ssl_override_behavior")) {
-            case 2 : // Pre-fetch & pre-populate
-              params.prefetchCert = true;
-            case 1 : // Pre-populate
-              params.location = aOwnerDoc.location.href;
-          }
-        } catch (e) {
-          Components.utils.reportError("Couldn't get ssl_override pref: " + e);
-        }
-
-        window.openDialog('chrome://pippki/content/exceptionDialog.xul',
-                          '','chrome,centerscreen,modal', params);
-
-        // If the user added the exception cert, attempt to reload the page
-        if (params.exceptionAdded) {
-          aOwnerDoc.location.reload();
-        }
-        break;
-
-      case "getMeOutOfHereButton":
-        getMeOutOfHere();
-        break;
-
-      case "technicalContent":
-        break;
-
-      case "expertContent":
-        break;
-
-    }
-  },
-
-  onAboutNetError: function BrowserOnClick_onAboutNetError(aTargetElm, aOwnerDoc) {
-    let elmId = aTargetElm.getAttribute("id");
-    if (elmId != "errorTryAgain" || !/e=netOffline/.test(aOwnerDoc.documentURI))
-      return;
-    Services.io.offline = false;
-  },
-
-  onAboutHome: function BrowserOnClick_onAboutHome(aTargetElm, aOwnerDoc) {
-    let elmId = aTargetElm.getAttribute("id");
-
-    switch (elmId) {
-      case "restorePreviousSession":
-        let ss = Cc["@mozilla.org/browser/sessionstore;1"].
-                 getService(Ci.nsISessionStore);
-        if (ss.canRestoreLastSession) {
-          ss.restoreLastSession();
-        }
-        aOwnerDoc.getElementById("launcher").removeAttribute("session");
-        break;
-
-      case "downloads":
-        BrowserDownloadsUI();
-        break;
-
-      case "bookmarks":
-        PlacesCommandHook.showPlacesOrganizer("AllBookmarks");
-        break;
-
-      case "history":
-        PlacesCommandHook.showPlacesOrganizer("History");
-        break;
-
-      case "addons":
-        BrowserOpenAddonsMgr();
-        break;
-
-      case "sync":
-        openPreferences("paneSync");
-        break;
-
-      case "settings":
-        openPreferences();
-        break;
-    }
-  },
-};
-
-/**
- * Re-direct the browser to a known-safe page.  This function is
- * used when, for example, the user browses to a known malware page
- * and is presented with about:blocked.  The "Get me out of here!"
- * button should take the user to the default start page so that even
- * when their own homepage is infected, we can get them somewhere safe.
- */
-function getMeOutOfHere() {
-  try {
-    let toBlank = Services.prefs.getBoolPref("browser.escape_to_blank");
-    if (toBlank) {
-      content.location = "about:logopage";
-      return;
-    }
-  } catch(e) {
-    Components.utils.reportError("Couldn't get escape pref: " + e);
-  }
-  // Get the start page from the *default* pref branch, not the user's
-  var prefs = Services.prefs.getDefaultBranch(null);
-  var url = BROWSER_NEW_TAB_URL;
-  try {
-    url = prefs.getComplexValue("browser.startup.homepage",
-                                Ci.nsIPrefLocalizedString).data;
-    // If url is a pipe-delimited set of pages, just take the first one.
-    if (url.includes("|"))
-      url = url.split("|")[0];
-  } catch(e) {
-    Components.utils.reportError("Couldn't get homepage pref: " + e);
-  }
-  content.location = url;
-}
-
-function BrowserFullScreen()
-{
-  window.fullScreen = !window.fullScreen;
-}
-
-function onFullScreen() {
-  FullScreen.toggle();
-}
-
-function onMozEnteredDomFullscreen(event) {
-  FullScreen.enterDomFullscreen(event);
-}
-
-function getWebNavigation()
-{
-  return gBrowser.webNavigation;
-}
-
-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
-   * back on using the web navigation's reload method.
-   */
-
-  var webNav = gBrowser.webNavigation;
-  try {
-    var sh = webNav.sessionHistory;
-    if (sh)
-      webNav = sh.QueryInterface(nsIWebNavigation);
-  } catch (e) {
-  }
-
-  try {
-    webNav.reload(reloadFlags);
-  } catch (e) {
-  }
-}
-
-var PrintPreviewListener = {
-  _printPreviewTab: null,
-  _tabBeforePrintPreview: null,
-
-  getPrintPreviewBrowser: function () {
-    if (!this._printPreviewTab) {
-      this._tabBeforePrintPreview = gBrowser.selectedTab;
-      this._printPreviewTab = gBrowser.loadOneTab("about:blank",
-                                                  { inBackground: false });
-      gBrowser.selectedTab = this._printPreviewTab;
-    }
-    return gBrowser.getBrowserForTab(this._printPreviewTab);
-  },
-  getSourceBrowser: function () {
-    return this._tabBeforePrintPreview ?
-      this._tabBeforePrintPreview.linkedBrowser : gBrowser.selectedBrowser;
-  },
-  getNavToolbox: function () {
-    return gNavToolbox;
-  },
-  onEnter: function () {
-    // We might have accidentally switched tabs since the user invoked print
-    // preview
-    if (gBrowser.selectedTab != this._printPreviewTab) {
-      gBrowser.selectedTab = this._printPreviewTab;
-    }
-    gInPrintPreviewMode = true;
-    this._toggleAffectedChrome();
-  },
-  onExit: function () {
-    gBrowser.selectedTab = this._tabBeforePrintPreview;
-    this._tabBeforePrintPreview = null;
-    gInPrintPreviewMode = false;
-    this._toggleAffectedChrome();
-    gBrowser.removeTab(this._printPreviewTab);
-    this._printPreviewTab = null;
-  },
-  _toggleAffectedChrome: function () {
-    gNavToolbox.collapsed = gInPrintPreviewMode;
-
-    if (gInPrintPreviewMode)
-      this._hideChrome();
-    else
-      this._showChrome();
-
-    if (this._chromeState.sidebarOpen)
-      toggleSidebar(this._sidebarCommand);
-
-#ifdef MENUBAR_CAN_AUTOHIDE
-    updateAppButtonDisplay();
-#endif
-  },
-  _hideChrome: function () {
-    this._chromeState = {};
-
-    var sidebar = document.getElementById("sidebar-box");
-    this._chromeState.sidebarOpen = !sidebar.hidden;
-    this._sidebarCommand = sidebar.getAttribute("sidebarcommand");
-
-    var notificationBox = gBrowser.getNotificationBox();
-    this._chromeState.notificationsOpen = !notificationBox.notificationsHidden;
-    notificationBox.notificationsHidden = true;
-
-    document.getElementById("sidebar").setAttribute("src", "about:blank");
-    var addonBar = document.getElementById("addon-bar");
-    this._chromeState.addonBarOpen = !addonBar.collapsed;
-    addonBar.collapsed = true;
-    gBrowser.updateWindowResizers();
-
-    this._chromeState.findOpen = gFindBarInitialized && !gFindBar.hidden;
-    if (gFindBarInitialized)
-      gFindBar.close();
-
-    var globalNotificationBox = document.getElementById("global-notificationbox");
-    this._chromeState.globalNotificationsOpen = !globalNotificationBox.notificationsHidden;
-    globalNotificationBox.notificationsHidden = true;
-
-    this._chromeState.syncNotificationsOpen = false;
-    var syncNotifications = document.getElementById("sync-notifications");
-    if (syncNotifications) {
-      this._chromeState.syncNotificationsOpen = !syncNotifications.notificationsHidden;
-      syncNotifications.notificationsHidden = true;
-    }
-  },
-  _showChrome: function () {
-    if (this._chromeState.notificationsOpen)
-      gBrowser.getNotificationBox().notificationsHidden = false;
-
-    if (this._chromeState.addonBarOpen) {
-      document.getElementById("addon-bar").collapsed = false;
-      gBrowser.updateWindowResizers();
-    }
-
-    if (this._chromeState.findOpen)
-      gFindBar.open();
-
-    if (this._chromeState.globalNotificationsOpen)
-      document.getElementById("global-notificationbox").notificationsHidden = false;
-
-    if (this._chromeState.syncNotificationsOpen)
-      document.getElementById("sync-notifications").notificationsHidden = false;
-  }
-}
-
-function getMarkupDocumentViewer()
-{
-  return gBrowser.markupDocumentViewer;
-}
-
-// This function is obsolete. Newer code should use <tooltip page="true"/> instead.
-function FillInHTMLTooltip(tipElement)
-{
-  document.getElementById("aHTMLTooltip").fillInPageTooltip(tipElement);
-}
-
-var browserDragAndDrop = {
-  canDropLink: function (aEvent) Services.droppedLinkHandler.canDropLink(aEvent, true),
-
-  dragOver: function (aEvent)
-  {
-    if (this.canDropLink(aEvent)) {
-      aEvent.preventDefault();
-    }
-  },
-
-  dropLinks: function (aEvent, aDisallowInherit) {
-    return Services.droppedLinkHandler.dropLinks(aEvent, aDisallowInherit);
-  }
-};
-
-var homeButtonObserver = {
-  onDrop: function (aEvent)
-    {
-      // disallow setting home pages that inherit the principal
-      let links = browserDragAndDrop.dropLinks(aEvent, true);
-      if (links.length) {
-        setTimeout(openHomeDialog, 0, links.map(link => link.url).join("|"));
-      }
-    },
-
-  onDragOver: function (aEvent)
-    {
-      browserDragAndDrop.dragOver(aEvent);
-      aEvent.dropEffect = "link";
-    },
-  onDragExit: function (aEvent)
-    {
-    }
-}
-
-function openHomeDialog(aURL)
-{
-  var promptTitle = gNavigatorBundle.getString("droponhometitle");
-  var promptMsg;
-  if (aURL.includes("|")) {
-    promptMsg = gNavigatorBundle.getString("droponhomemsgMultiple");
-  } else {
-    promptMsg = gNavigatorBundle.getString("droponhomemsg");
-  }
-
-  var pressedVal  = Services.prompt.confirmEx(window, promptTitle, promptMsg,
-                          Services.prompt.STD_YES_NO_BUTTONS,
-                          null, null, null, null, {value:0});
-
-  if (pressedVal == 0) {
-    try {
-      var homepageStr = Components.classes["@mozilla.org/supports-string;1"]
-                        .createInstance(Components.interfaces.nsISupportsString);
-      homepageStr.data = aURL;
-      gPrefService.setComplexValue("browser.startup.homepage",
-                                   Components.interfaces.nsISupportsString, homepageStr);
-    } catch (ex) {
-      dump("Failed to set the home page.\n"+ex+"\n");
-    }
-  }
-}
-
-var bookmarksButtonObserver = {
-  onDrop: function (aEvent)
-  {
-    let name = { };
-    let url = browserDragAndDrop.drop(aEvent, name);
-    try {
-      PlacesUIUtils.showBookmarkDialog({ action: "add"
-                                       , type: "bookmark"
-                                       , uri: makeURI(url)
-                                       , title: name
-                                       , hiddenRows: [ "description"
-                                                     , "location"
-                                                     , "loadInSidebar"
-                                                     , "keyword" ]
-                                       }, window);
-    } catch(ex) { }
-  },
-
-  onDragOver: function (aEvent)
-  {
-    browserDragAndDrop.dragOver(aEvent);
-    aEvent.dropEffect = "link";
-  },
-
-  onDragExit: function (aEvent)
-  {
-  }
-}
-
-var newTabButtonObserver = {
-  onDragOver: function (aEvent)
-  {
-    browserDragAndDrop.dragOver(aEvent);
-  },
-
-  onDragExit: function (aEvent)
-  {
-  },
-
-  onDrop: function (aEvent)
-  {
-    let links = browserDragAndDrop.dropLinks(aEvent);
-    Task.spawn(function*() {
-      for (let link of links) {
-        let data = yield getShortcutOrURIAndPostData(link.url);
-        if (data.url) {
-          // allow third-party services to fixup this URL
-          openNewTabWith(data.url, null, data.postData, aEvent, true);
-        }
-      }
-    });
-  }
-}
-
-var newWindowButtonObserver = {
-  onDragOver: function (aEvent)
-  {
-    browserDragAndDrop.dragOver(aEvent);
-  },
-  onDragExit: function (aEvent)
-  {
-  },
-  onDrop: function (aEvent)
-  {
-    let links = browserDragAndDrop.dropLinks(aEvent);
-    Task.spawn(function*() {
-      for (let link of links) {
-        let data = yield getShortcutOrURIAndPostData(link.url);
-        if (data.url) {
-          // allow third-party services to fixup this URL
-          openNewWindowWith(data.url, null, data.postData, true);
-        }
-      }
-    });
-  }
-}
-
-const DOMLinkHandler = {
-  handleEvent: function (event) {
-    switch (event.type) {
-      case "DOMLinkAdded":
-        this.onLinkAdded(event);
-        break;
-    }
-  },
-  getLinkIconURI: function(aLink) {
-    let targetDoc = aLink.ownerDocument;
-    var uri = makeURI(aLink.href, targetDoc.characterSet);
-
-    // Verify that the load of this icon is legal.
-    // Some error or special pages can load their favicon.
-    // To be on the safe side, only allow chrome:// favicons.
-    var isAllowedPage = [
-      /^about:neterror\?/,
-      /^about:blocked\?/,
-      /^about:certerror\?/,
-      /^about:home$/,
-    ].some(function (re) re.test(targetDoc.documentURI));
-
-    if (!isAllowedPage || !uri.schemeIs("chrome")) {
-      var ssm = Services.scriptSecurityManager;
-      try {
-        ssm.checkLoadURIWithPrincipal(targetDoc.nodePrincipal, uri,
-                                      Ci.nsIScriptSecurityManager.DISALLOW_SCRIPT);
-      } catch(e) {
-        return null;
-      }
-    }
-
-    try {
-      var contentPolicy = Cc["@mozilla.org/layout/content-policy;1"].
-                          getService(Ci.nsIContentPolicy);
-    } catch(e) {
-      return null; // Refuse to load if we can't do a security check.
-    }
-
-    // Security says okay, now ask content policy
-    if (contentPolicy.shouldLoad(Ci.nsIContentPolicy.TYPE_IMAGE,
-                                 uri, targetDoc.documentURIObject,
-                                 aLink, aLink.type, null)
-                                 != Ci.nsIContentPolicy.ACCEPT)
-      return null;
-
-    try {
-      uri.userPass = "";
-    } catch(e) {
-      // some URIs are immutable
-    }
-    return uri;
-  },
-  onLinkAdded: function (event) {
-    var link = event.originalTarget;
-    var rel = link.rel && link.rel.toLowerCase();
-    if (!link || !link.ownerDocument || !rel || !link.href)
-      return;
-
-    var feedAdded = false;
-    var iconAdded = false;
-    var searchAdded = false;
-    var rels = {};
-    for (let relString of rel.split(/\s+/))
-      rels[relString] = true;
-
-    for (let relVal in rels) {
-      switch (relVal) {
-        case "feed":
-        case "alternate":
-          if (!feedAdded) {
-            if (!rels.feed && rels.alternate && rels.stylesheet)
-              break;
-
-            if (isValidFeed(link, link.ownerDocument.nodePrincipal, "feed" in rels)) {
-              FeedHandler.addFeed(link, link.ownerDocument);
-              feedAdded = true;
-            }
-          }
-          break;
-        case "icon":
-          if (!iconAdded) {
-            if (!gPrefService.getBoolPref("browser.chrome.site_icons"))
-              break;
-
-            var uri = this.getLinkIconURI(link);
-            if (!uri)
-              break;
-
-            if (gBrowser.isFailedIcon(uri))
-              break;
-
-            var browserIndex = gBrowser.getBrowserIndexForDocument(link.ownerDocument);
-            // no browser? no favicon.
-            if (browserIndex == -1)
-              break;
-
-            let tab = gBrowser.tabs[browserIndex];
-            gBrowser.setIcon(tab, uri.spec, link.ownerDocument.nodePrincipal);
-            iconAdded = true;
-          }
-          break;
-        case "search":
-          if (!searchAdded) {
-            var type = link.type && link.type.toLowerCase();
-            type = type.replace(/^\s+|\s*(?:;.*)?$/g, "");
-
-            if (type == "application/opensearchdescription+xml" && link.title &&
-                /^(?:https?|ftp):/i.test(link.href) &&
-                !PrivateBrowsingUtils.isWindowPrivate(window)) {
-              var engine = { title: link.title, href: link.href };
-              Services.search.init(function () {
-                BrowserSearch.addEngine(engine, link.ownerDocument);
-              });
-              searchAdded = true;
-            }
-          }
-          break;
-      }
-    }
-  }
-}
-
-const BrowserSearch = {
-  addEngine: function(engine, targetDoc) {
-    if (!this.searchBar)
-      return;
-
-    var browser = gBrowser.getBrowserForDocument(targetDoc);
-    // ignore search engines from subframes (see bug 479408)
-    if (!browser)
-      return;
-
-    // Check to see whether we've already added an engine with this title
-    if (browser.engines) {
-      if (browser.engines.some(function (e) e.title == engine.title))
-        return;
-    }
-
-    // Append the URI and an appropriate title to the browser data.
-    // Use documentURIObject in the check for shouldLoadFavIcon so that we
-    // do the right thing with about:-style error pages.  Bug 453442
-    var iconURL = null;
-    if (gBrowser.shouldLoadFavIcon(targetDoc.documentURIObject))
-      iconURL = targetDoc.documentURIObject.prePath + "/favicon.ico";
-
-    var hidden = false;
-    // If this engine (identified by title) is already in the list, add it
-    // to the list of hidden engines rather than to the main list.
-    // XXX This will need to be changed when engines are identified by URL;
-    // see bug 335102.
-    if (Services.search.getEngineByName(engine.title))
-      hidden = true;
-
-    var engines = (hidden ? browser.hiddenEngines : browser.engines) || [];
-
-    engines.push({ uri: engine.href,
-                   title: engine.title,
-                   icon: iconURL });
-
-    if (hidden)
-      browser.hiddenEngines = engines;
-    else
-      browser.engines = engines;
-  },
-
-  /**
-   * Gives focus to the search bar, if it is present on the toolbar, or loads
-   * the default engine's search form otherwise. For Mac, opens a new window
-   * or focuses an existing window, if necessary.
-   */
-  webSearch: function BrowserSearch_webSearch() {
-#ifdef XP_MACOSX
-    if (window.location.href != getBrowserURL()) {
-      var win = getTopWin();
-      if (win) {
-        // If there's an open browser window, it should handle this command
-        win.focus();
-        win.BrowserSearch.webSearch();
-      } else {
-        // If there are no open browser windows, open a new one
-        var observer = function observer(subject, topic, data) {
-          if (subject == win) {
-            BrowserSearch.webSearch();
-            Services.obs.removeObserver(observer, "browser-delayed-startup-finished");
-          }
-        }
-        win = window.openDialog(getBrowserURL(), "_blank",
-                                "chrome,all,dialog=no", "about:blank");
-        Services.obs.addObserver(observer, "browser-delayed-startup-finished", false);
-      }
-      return;
-    }
-#endif
-    var searchBar = this.searchBar;
-    if (searchBar && window.fullScreen)
-      FullScreen.showNavToolbox();
-    if (searchBar)
-      searchBar.select();
-    if (!searchBar || document.activeElement != searchBar.textbox.inputField)
-      openUILinkIn(Services.search.defaultEngine.searchForm, "current");
-  },
-
-  /**
-   * Loads a search results page, given a set of search terms. Uses the current
-   * engine if the search bar is visible, or the default engine otherwise.
-   *
-   * @param searchText
-   *        The search terms to use for the search.
-   *
-   * @param useNewTab
-   *        Boolean indicating whether or not the search should load in a new
-   *        tab.
-   *
-   * @param purpose [optional]
-   *        A string meant to indicate the context of the search request. This
-   *        allows the search service to provide a different nsISearchSubmission
-   *        depending on e.g. where the search is triggered in the UI.
-   *
-   * @return string Name of the search engine used to perform a search or null
-   *         if a search was not performed.
-   */
-  loadSearch: function BrowserSearch_search(searchText, useNewTab, purpose) {
-    var engine;
-
-    // If the search bar is visible, use the current engine, otherwise, fall
-    // back to the default engine.
-    if (isElementVisible(this.searchBar))
-      engine = Services.search.currentEngine;
-    else
-      engine = Services.search.defaultEngine;
-
-    var submission = engine.getSubmission(searchText, null, purpose); // HTML response
-
-    // getSubmission can return null if the engine doesn't have a URL
-    // with a text/html response type.  This is unlikely (since
-    // SearchService._addEngineToStore() should fail for such an engine),
-    // but let's be on the safe side.
-    if (!submission) {
-      return null;
-    }
-
-    let inBackground = Services.prefs.getBoolPref("browser.search.context.loadInBackground");
-    openLinkIn(submission.uri.spec,
-               useNewTab ? "tab" : "current",
-               { postData: submission.postData,
-                 inBackground: inBackground,
-                 relatedToCurrent: true });
-
-    return engine.name;
-  },
-
-  /**
-   * Perform a search initiated from the context menu.
-   *
-   * This should only be called from the context menu. See
-   * BrowserSearch.loadSearch for the preferred API.
-   */
-  loadSearchFromContext: function (terms) {
-    let engine = BrowserSearch.loadSearch(terms, true, "contextmenu");
-  },
-
-  /**
-   * Returns the search bar element if it is present in the toolbar, null otherwise.
-   */
-  get searchBar() {
-    return document.getElementById("searchbar");
-  },
-
-  loadAddEngines: function BrowserSearch_loadAddEngines() {
-    var newWindowPref = gPrefService.getIntPref("browser.link.open_newwindow");
-    var where = newWindowPref == 3 ? "tab" : "window";
-    var searchEnginesURL = formatURL("browser.search.searchEnginesURL", true);
-    openUILinkIn(searchEnginesURL, where);
-  },
-};
-
-XPCOMUtils.defineConstant(this, "BrowserSearch", BrowserSearch);
-
-function FillHistoryMenu(aParent) {
-  // Lazily add the hover listeners on first showing and never remove them
-  if (!aParent.hasStatusListener) {
-    // Show history item's uri in the status bar when hovering, and clear on exit
-    aParent.addEventListener("DOMMenuItemActive", function(aEvent) {
-      // Only the current page should have the checked attribute, so skip it
-      if (!aEvent.target.hasAttribute("checked"))
-        XULBrowserWindow.setOverLink(aEvent.target.getAttribute("uri"));
-    }, false);
-    aParent.addEventListener("DOMMenuItemInactive", function() {
-      XULBrowserWindow.setOverLink("");
-    }, false);
-
-    aParent.hasStatusListener = true;
-  }
-
-  // Remove old entries if any
-  var children = aParent.childNodes;
-  for (var i = children.length - 1; i >= 0; --i) {
-    if (children[i].hasAttribute("index"))
-      aParent.removeChild(children[i]);
-  }
-
-  var webNav = gBrowser.webNavigation;
-  var sessionHistory = webNav.sessionHistory;
-
-  var count = sessionHistory.count;
-  if (count <= 1) // don't display the popup for a single item
-    return false;
-
-  const MAX_HISTORY_MENU_ITEMS = 15;
-  var index = sessionHistory.index;
-  var half_length = Math.floor(MAX_HISTORY_MENU_ITEMS / 2);
-  var start = Math.max(index - half_length, 0);
-  var end = Math.min(start == 0 ? MAX_HISTORY_MENU_ITEMS : index + half_length + 1, count);
-  if (end == count)
-    start = Math.max(count - MAX_HISTORY_MENU_ITEMS, 0);
-
-  var tooltipBack = gNavigatorBundle.getString("tabHistory.goBack");
-  var tooltipCurrent = gNavigatorBundle.getString("tabHistory.current");
-  var tooltipForward = gNavigatorBundle.getString("tabHistory.goForward");
-
-  for (var j = end - 1; j >= start; j--) {
-    let item = document.createElement("menuitem");
-    let entry = sessionHistory.getEntryAtIndex(j, false);
-    let uri = entry.URI.spec;
-
-    item.setAttribute("uri", uri);
-    item.setAttribute("label", entry.title || uri);
-    item.setAttribute("index", j);
-
-    if (j != index) {
-      PlacesUtils.favicons.getFaviconURLForPage(entry.URI, function (aURI) {
-        if (aURI) {
-          let iconURL = PlacesUtils.favicons.getFaviconLinkForIcon(aURI).spec;
-          item.style.listStyleImage = "url(" + iconURL + ")";
-        }
-      });
-    }
-
-    if (j < index) {
-      item.className = "unified-nav-back menuitem-iconic menuitem-with-favicon";
-      item.setAttribute("tooltiptext", tooltipBack);
-    } else if (j == index) {
-      item.setAttribute("type", "radio");
-      item.setAttribute("checked", "true");
-      item.className = "unified-nav-current";
-      item.setAttribute("tooltiptext", tooltipCurrent);
-    } else {
-      item.className = "unified-nav-forward menuitem-iconic menuitem-with-favicon";
-      item.setAttribute("tooltiptext", tooltipForward);
-    }
-
-    aParent.appendChild(item);
-  }
-  return true;
-}
-
-function addToUrlbarHistory(aUrlToAdd) {
-  if (!PrivateBrowsingUtils.isWindowPrivate(window) &&
-      aUrlToAdd &&
-      !aUrlToAdd.includes(" ") &&
-      !/[\x00-\x1F]/.test(aUrlToAdd))
-    PlacesUIUtils.markPageAsTyped(aUrlToAdd);
-}
-
-function toJavaScriptConsole()
-{
-  toOpenWindowByType("global:console", "chrome://global/content/console.xul");
-}
-
-function BrowserDownloadsUI()
-{
-  if (PrivateBrowsingUtils.isWindowPrivate(window)) {
-    openUILinkIn("about:downloads", "tab");
-  } else {
-    PlacesCommandHook.showPlacesOrganizer("Downloads");
-  }
-}
-
-function toOpenWindowByType(inType, uri, features)
-{
-  var topWindow = Services.wm.getMostRecentWindow(inType);
-
-  if (topWindow)
-    topWindow.focus();
-  else if (features)
-    window.open(uri, "_blank", features);
-  else
-    window.open(uri, "_blank", "chrome,extrachrome,menubar,resizable,scrollbars,status,toolbar");
-}
-
-function OpenBrowserWindow(options)
-{
-  function newDocumentShown(doc, topic, data) {
-    if (topic == "document-shown" &&
-        doc != document &&
-        doc.defaultView == win) {
-      Services.obs.removeObserver(newDocumentShown, "document-shown");
-    }
-  };
-  Services.obs.addObserver(newDocumentShown, "document-shown", false);
-
-  var charsetArg = new String();
-  var handler = Components.classes["@mozilla.org/browser/clh;1"]
-                          .getService(Components.interfaces.nsIBrowserHandler);
-  var defaultArgs = handler.defaultArgs;
-  var wintype = document.documentElement.getAttribute('windowtype');
-
-  var extraFeatures = "";
-  if (options && options.private) {
-    extraFeatures = ",private";
-    if (!PrivateBrowsingUtils.permanentPrivateBrowsing) {
-      // Force the new window to load about:privatebrowsing instead of the default home page
-      defaultArgs = "about:privatebrowsing";
-    }
-  } else {
-    extraFeatures = ",non-private";
-  }
-
-  // if and only if the current window is a browser window and it has a document with a character
-  // set, then extract the current charset menu setting from the current document and use it to
-  // initialize the new browser window...
-  var win;
-  if (window && (wintype == "navigator:browser") && window.content && window.content.document)
-  {
-    var DocCharset = window.content.document.characterSet;
-    charsetArg = "charset="+DocCharset;
-
-    //we should "inherit" the charset menu setting in a new window
-    win = window.openDialog("chrome://browser/content/", "_blank", "chrome,all,dialog=no" + extraFeatures, defaultArgs, charsetArg);
-  }
-  else // forget about the charset information.
-  {
-    win = window.openDialog("chrome://browser/content/", "_blank", "chrome,all,dialog=no" + extraFeatures, defaultArgs);
-  }
-
-  return win;
-}
-
-var gCustomizeSheet = false;
-function BrowserCustomizeToolbar() {
-  // Disable the toolbar context menu items
-  var menubar = document.getElementById("main-menubar");
-  for (let childNode of menubar.childNodes)
-    childNode.setAttribute("disabled", true);
-
-  var cmd = document.getElementById("cmd_CustomizeToolbars");
-  cmd.setAttribute("disabled", "true");
-
-  var splitter = document.getElementById("urlbar-search-splitter");
-  if (splitter)
-    splitter.parentNode.removeChild(splitter);
-
-  CombinedStopReload.uninit();
-
-  PlacesToolbarHelper.customizeStart();
-  BookmarkingUI.customizeStart();
-  DownloadsButton.customizeStart();
-
-  TabsInTitlebar.allowedBy("customizing-toolbars", false);
-
-  var customizeURL = "chrome://global/content/customizeToolbar.xul";
-  gCustomizeSheet = Services.prefs.getBoolPref("toolbar.customization.usesheet", false);
-
-  if (gCustomizeSheet) {
-    let sheetFrame = document.createElement("iframe");
-    let panel = document.getElementById("customizeToolbarSheetPopup");
-    sheetFrame.id = "customizeToolbarSheetIFrame";
-    sheetFrame.toolbox = gNavToolbox;
-    sheetFrame.panel = panel;
-    sheetFrame.setAttribute("style", panel.getAttribute("sheetstyle"));
-    panel.appendChild(sheetFrame);
-
-    // Open the panel, but make it invisible until the iframe has loaded so
-    // that the user doesn't see a white flash.
-    panel.style.visibility = "hidden";
-    gNavToolbox.addEventListener("beforecustomization", function onBeforeCustomization() {
-      gNavToolbox.removeEventListener("beforecustomization", onBeforeCustomization, false);
-      panel.style.removeProperty("visibility");
-    }, false);
-
-    sheetFrame.setAttribute("src", customizeURL);
-
-    panel.openPopup(gNavToolbox, "after_start", 0, 0);
-  } else {
-    window.openDialog(customizeURL,
-                      "CustomizeToolbar",
-                      "chrome,titlebar,toolbar,location,resizable,dependent",
-                      gNavToolbox);
-  }
-}
-
-function BrowserToolboxCustomizeDone(aToolboxChanged) {
-  if (gCustomizeSheet) {
-    document.getElementById("customizeToolbarSheetPopup").hidePopup();
-    let iframe = document.getElementById("customizeToolbarSheetIFrame");
-    iframe.parentNode.removeChild(iframe);
-  }
-
-  // Update global UI elements that may have been added or removed
-  if (aToolboxChanged) {
-    gURLBar = document.getElementById("urlbar");
-
-    gProxyFavIcon = document.getElementById("page-proxy-favicon");
-    gHomeButton.updateTooltip();
-    gIdentityHandler._cacheElements();
-    window.XULBrowserWindow.init();
-
-#ifndef XP_MACOSX
-    updateEditUIVisibility();
-#endif
-
-    // Hacky: update the PopupNotifications' object's reference to the iconBox,
-    // if it already exists, since it may have changed if the URL bar was
-    // added/removed.
-    if (!window.__lookupGetter__("PopupNotifications"))
-      PopupNotifications.iconBox = document.getElementById("notification-popup-box");
-  }
-
-  PlacesToolbarHelper.customizeDone();
-  BookmarkingUI.customizeDone();
-  DownloadsButton.customizeDone();
-
-  // The url bar splitter state is dependent on whether stop/reload
-  // and the location bar are combined, so we need this ordering
-  CombinedStopReload.init();
-  UpdateUrlbarSearchSplitterState();
-  setUrlAndSearchBarWidthForConditionalForwardButton();
-
-  // Update the urlbar
-  if (gURLBar) {
-    gURLBarSettings.writePlaceholder();
-    URLBarSetURI();
-    XULBrowserWindow.asyncUpdateUI();
-    BookmarkingUI.updateStarState();
-  }
-
-  TabsInTitlebar.allowedBy("customizing-toolbars", true);
-
-  // Re-enable parts of the UI we disabled during the dialog
-  var menubar = document.getElementById("main-menubar");
-  for (let childNode of menubar.childNodes)
-    childNode.setAttribute("disabled", false);
-  var cmd = document.getElementById("cmd_CustomizeToolbars");
-  cmd.removeAttribute("disabled");
-
-  // make sure to re-enable click-and-hold
-  if (!Services.prefs.getBoolPref("ui.click_hold_context_menus", false))
-    SetClickAndHoldHandlers();
-
-  gBrowser.selectedBrowser.focus();
-}
-
-function BrowserToolboxCustomizeChange(aType) {
-  switch (aType) {
-    case "iconsize":
-    case "mode":
-      retrieveToolbarIconsizesFromTheme();
-      break;
-    default:
-      gHomeButton.updatePersonalToolbarStyle();
-      BookmarkingUI.customizeChange();
-      allTabs.readPref();
-  }
-}
-
-/**
- * Allows themes to override the "iconsize" attribute on toolbars.
- */
-function retrieveToolbarIconsizesFromTheme() {
-  function retrieveToolbarIconsize(aToolbar) {
-    if (aToolbar.localName != "toolbar")
-      return;
-
-    // The theme indicates that it wants to override the "iconsize" attribute
-    // by specifying a special value for the "counter-reset" property on the
-    // toolbar. A custom property cannot be used because getComputedStyle can
-    // only return the values of standard CSS properties.
-    let counterReset = getComputedStyle(aToolbar).counterReset;
-    if (counterReset == "smallicons 0")
-      aToolbar.setAttribute("iconsize", "small");
-    else if (counterReset == "largeicons 0")
-      aToolbar.setAttribute("iconsize", "large");
-  }
-
-  Array.forEach(gNavToolbox.childNodes, retrieveToolbarIconsize);
-  gNavToolbox.externalToolbars.forEach(retrieveToolbarIconsize);
-}
-
-/**
- * Update the global flag that tracks whether or not any edit UI (the Edit menu,
- * edit-related items in the context menu, and edit-related toolbar buttons
- * is visible, then update the edit commands' enabled state accordingly.  We use
- * this flag to skip updating the edit commands on focus or selection changes
- * when no UI is visible to improve performance (including pageload performance,
- * since focus changes when you load a new page).
- *
- * If UI is visible, we use goUpdateGlobalEditMenuItems to set the commands'
- * enabled state so the UI will reflect it appropriately.
- *
- * If the UI isn't visible, we enable all edit commands so keyboard shortcuts
- * still work and just lazily disable them as needed when the user presses a
- * shortcut.
- *
- * This doesn't work on Mac, since Mac menus flash when users press their
- * keyboard shortcuts, so edit UI is essentially always visible on the Mac,
- * and we need to always update the edit commands.  Thus on Mac this function
- * is a no op.
- */
-function updateEditUIVisibility()
-{
-#ifndef XP_MACOSX
-  let editMenuPopupState = document.getElementById("menu_EditPopup").state;
-  let contextMenuPopupState = document.getElementById("contentAreaContextMenu").state;
-  let placesContextMenuPopupState = document.getElementById("placesContext").state;
-#ifdef MENUBAR_CAN_AUTOHIDE
-  let appMenuPopupState = document.getElementById("appmenu-popup").state;
-#endif
-
-  // The UI is visible if the Edit menu is opening or open, if the context menu
-  // is open, or if the toolbar has been customized to include the Cut, Copy,
-  // or Paste toolbar buttons.
-  gEditUIVisible = editMenuPopupState == "showing" ||
-                   editMenuPopupState == "open" ||
-                   contextMenuPopupState == "showing" ||
-                   contextMenuPopupState == "open" ||
-                   placesContextMenuPopupState == "showing" ||
-                   placesContextMenuPopupState == "open" ||
-#ifdef MENUBAR_CAN_AUTOHIDE
-                   appMenuPopupState == "showing" ||
-                   appMenuPopupState == "open" ||
-#endif
-                   document.getElementById("cut-button") ||
-                   document.getElementById("copy-button") ||
-                   document.getElementById("paste-button") ? true : false;
-
-  // If UI is visible, update the edit commands' enabled state to reflect
-  // whether or not they are actually enabled for the current focus/selection.
-  if (gEditUIVisible)
-    goUpdateGlobalEditMenuItems();
-
-  // Otherwise, enable all commands, so that keyboard shortcuts still work,
-  // then lazily determine their actual enabled state when the user presses
-  // a keyboard shortcut.
-  else {
-    goSetCommandEnabled("cmd_undo", true);
-    goSetCommandEnabled("cmd_redo", true);
-    goSetCommandEnabled("cmd_cut", true);
-    goSetCommandEnabled("cmd_copy", true);
-    goSetCommandEnabled("cmd_paste", true);
-    goSetCommandEnabled("cmd_selectAll", true);
-    goSetCommandEnabled("cmd_delete", true);
-    goSetCommandEnabled("cmd_switchTextDirection", true);
-  }
-#endif
-}
-
-/**
- * Makes the Character Encoding menu enabled or disabled as appropriate.
- * To be called when the View menu or the app menu is opened.
- */
-function updateCharacterEncodingMenuState()
-{
-  let charsetMenu = document.getElementById("charsetMenu");
-  let appCharsetMenu = document.getElementById("appmenu_charsetMenu");
-  let appDevCharsetMenu =
-    document.getElementById("appmenu_developer_charsetMenu");
-  // gBrowser is null on Mac when the menubar shows in the context of
-  // non-browser windows. The above elements may be null depending on
-  // what parts of the menubar are present. E.g. no app menu on Mac.
-  if (gBrowser &&
-      gBrowser.docShell &&
-      gBrowser.docShell.mayEnableCharacterEncodingMenu) {
-    if (charsetMenu) {
-      charsetMenu.removeAttribute("disabled");
-    }
-    if (appCharsetMenu) {
-      appCharsetMenu.removeAttribute("disabled");
-    }
-    if (appDevCharsetMenu) {
-      appDevCharsetMenu.removeAttribute("disabled");
-    }
-  } else {
-    if (charsetMenu) {
-      charsetMenu.setAttribute("disabled", "true");
-    }
-    if (appCharsetMenu) {
-      appCharsetMenu.setAttribute("disabled", "true");
-    }
-    if (appDevCharsetMenu) {
-      appDevCharsetMenu.setAttribute("disabled", "true");
-    }
-  }
-}
-
-var XULBrowserWindow = {
-  // Stored Status, Link and Loading values
-  status: "",
-  defaultStatus: "",
-  overLink: "",
-  startTime: 0,
-  statusText: "",
-  isBusy: false,
-/* Pale Moon: Don't hide navigation controls and toolbars for "special" pages. SBaD, M!
-  inContentWhitelist: ["about:addons", "about:downloads", "about:permissions",
-                       "about:sync-progress"],*/
-  inContentWhitelist: [],
-
-  QueryInterface: function (aIID) {
-    if (aIID.equals(Ci.nsIWebProgressListener) ||
-        aIID.equals(Ci.nsIWebProgressListener2) ||
-        aIID.equals(Ci.nsISupportsWeakReference) ||
-        aIID.equals(Ci.nsIXULBrowserWindow) ||
-        aIID.equals(Ci.nsISupports))
-      return this;
-    throw Cr.NS_NOINTERFACE;
-  },
-
-  get stopCommand () {
-    delete this.stopCommand;
-    return this.stopCommand = document.getElementById("Browser:Stop");
-  },
-  get reloadCommand () {
-    delete this.reloadCommand;
-    return this.reloadCommand = document.getElementById("Browser:Reload");
-  },
-  get statusTextField () {
-    delete this.statusTextField;
-    return this.statusTextField = document.getElementById("statusbar-display");
-  },
-  get isImage () {
-    delete this.isImage;
-    return this.isImage = document.getElementById("isImage");
-  },
-
-  init: function () {
-    this.throbberElement = document.getElementById("navigator-throbber");
-
-    // Bug 666809 - SecurityUI support for e10s
-    if (gMultiProcessBrowser)
-      return;
-
-    // Initialize the security button's state and tooltip text.  Remember to reset
-    // _hostChanged, otherwise onSecurityChange will short circuit.
-    var securityUI = gBrowser.securityUI;
-    this._hostChanged = true;
-    this.onSecurityChange(null, null, securityUI.state);
-  },
-
-  destroy: function () {
-    // XXXjag to avoid leaks :-/, see bug 60729
-    delete this.throbberElement;
-    delete this.stopCommand;
-    delete this.reloadCommand;
-    delete this.statusTextField;
-    delete this.statusText;
-  },
-
-  setJSStatus: function () {
-    // unsupported
-  },
-
-  setDefaultStatus: function (status) {
-    this.defaultStatus = status;
-    this.updateStatusField();
-  },
-
-  setOverLink: function (url, anchorElt) {
-    // Encode bidirectional formatting characters.
-    // (RFC 3987 sections 3.2 and 4.1 paragraph 6)
-    url = url.replace(/[\u200e\u200f\u202a\u202b\u202c\u202d\u202e]/g,
-                      encodeURIComponent);
-
-    if (gURLBar && gURLBar._mayTrimURLs /* corresponds to browser.urlbar.trimURLs */)
-      url = trimURL(url);
-
-    this.overLink = url;
-    LinkTargetDisplay.update();
-  },
-
-  updateStatusField: function () {
-    var text, type, types = ["overLink"];
-    if (this._busyUI)
-      types.push("status");
-    types.push("defaultStatus");
-    for (type of types) {
-      text = this[type];
-      if (text)
-        break;
-    }
-
-    // check the current value so we don't trigger an attribute change
-    // and cause needless (slow!) UI updates
-    if (this.statusText != text) {
-      let field = this.statusTextField;
-      field.setAttribute("previoustype", field.getAttribute("type"));
-      field.setAttribute("type", type);
-      field.label = text;
-      field.setAttribute("crop", type == "overLink" ? "center" : "end");
-      this.statusText = text;
-    }
-  },
-
-  // Called before links are navigated to to allow us to retarget them if needed.
-  onBeforeLinkTraversal: function(originalTarget, linkURI, linkNode, isAppTab) {
-    let target = this._onBeforeLinkTraversal(originalTarget, linkURI, linkNode, isAppTab);
-    return target;
-  },
-
-  _onBeforeLinkTraversal: function(originalTarget, linkURI, linkNode, isAppTab) {
-    // Don't modify non-default targets or targets that aren't in top-level app
-    // tab docshells (isAppTab will be false for app tab subframes).
-    if (originalTarget != "" || !isAppTab)
-      return originalTarget;
-
-    // External links from within app tabs should always open in new tabs
-    // instead of replacing the app tab's page (Bug 575561)
-    let linkHost;
-    let docHost;
-    try {
-      linkHost = linkURI.host;
-      docHost = linkNode.ownerDocument.documentURIObject.host;
-    } catch(e) {
-      // nsIURI.host can throw for non-nsStandardURL nsIURIs.
-      // If we fail to get either host, just return originalTarget.
-      return originalTarget;
-    }
-
-    if (docHost == linkHost)
-      return originalTarget;
-
-    // Special case: ignore "www" prefix if it is part of host string
-    let [longHost, shortHost] =
-      linkHost.length > docHost.length ? [linkHost, docHost] : [docHost, linkHost];
-    if (longHost == "www." + shortHost)
-      return originalTarget;
-
-    return "_blank";
-  },
-  
-  onLinkIconAvailable: function (aIconURL) {
-    if (gProxyFavIcon && gBrowser.userTypedValue === null) {
-      PageProxySetIcon(aIconURL); // update the favicon in the URL bar
-    }
-  },
-
-  onProgressChange: function (aWebProgress, aRequest,
-                              aCurSelfProgress, aMaxSelfProgress,
-                              aCurTotalProgress, aMaxTotalProgress) {
-    // Do nothing.
-  },
-
-  onProgressChange64: function (aWebProgress, aRequest,
-                                aCurSelfProgress, aMaxSelfProgress,
-                                aCurTotalProgress, aMaxTotalProgress) {
-    return this.onProgressChange(aWebProgress, aRequest,
-      aCurSelfProgress, aMaxSelfProgress, aCurTotalProgress,
-      aMaxTotalProgress);
-  },
-
-  // This function fires only for the currently selected tab.
-  onStateChange: function (aWebProgress, aRequest, aStateFlags, aStatus) {
-    const nsIWebProgressListener = Ci.nsIWebProgressListener;
-    const nsIChannel = Ci.nsIChannel;
-
-    if (aStateFlags & nsIWebProgressListener.STATE_START &&
-        aStateFlags & nsIWebProgressListener.STATE_IS_NETWORK) {
-
-      if (aRequest && aWebProgress.isTopLevel) {
-        // clear out feed data
-        gBrowser.selectedBrowser.feeds = null;
-
-        // clear out search-engine data
-        gBrowser.selectedBrowser.engines = null;
-      }
-
-      this.isBusy = true;
-
-      if (!(aStateFlags & nsIWebProgressListener.STATE_RESTORING)) {
-        this._busyUI = true;
-
-        // Turn the throbber on.
-        if (this.throbberElement)
-          this.throbberElement.setAttribute("busy", "true");
-
-        // XXX: This needs to be based on window activity...
-        this.stopCommand.removeAttribute("disabled");
-        CombinedStopReload.switchToStop();
-      }
-    }
-    else if (aStateFlags & nsIWebProgressListener.STATE_STOP) {
-      // This (thanks to the filter) is a network stop or the last
-      // request stop outside of loading the document, stop throbbers
-      // and progress bars and such
-      if (aRequest) {
-        let msg = "";
-        let location;
-        // Get the URI either from a channel or a pseudo-object
-        if (aRequest instanceof nsIChannel || "URI" in aRequest) {
-          location = aRequest.URI;
-
-          // For keyword URIs clear the user typed value since they will be changed into real URIs
-          if (location.scheme == "keyword" && aWebProgress.isTopLevel)
-            gBrowser.userTypedValue = null;
-
-          if (location.spec != "about:blank") {
-            switch (aStatus) {
-              case Components.results.NS_ERROR_NET_TIMEOUT:
-                msg = gNavigatorBundle.getString("nv_timeout");
-                break;
-            }
-          }
-        }
-
-        this.status = "";
-        this.setDefaultStatus(msg);
-
-        // Disable menu entries for images, enable otherwise
-        if (!gMultiProcessBrowser && content.document && BrowserUtils.mimeTypeIsTextBased(content.document.contentType))
-          this.isImage.removeAttribute('disabled');
-        else
-          this.isImage.setAttribute('disabled', 'true');
-      }
-
-      this.isBusy = false;
-
-      if (this._busyUI) {
-        this._busyUI = false;
-
-        // Turn the throbber off.
-        if (this.throbberElement)
-          this.throbberElement.removeAttribute("busy");
-
-        this.stopCommand.setAttribute("disabled", "true");
-        CombinedStopReload.switchToReload(aRequest instanceof Ci.nsIRequest);
-      }
-    }
-  },
-
-  onLocationChange: function (aWebProgress, aRequest, aLocationURI, aFlags) {
-    var location = aLocationURI ? aLocationURI.spec : "";
-    this._hostChanged = true;
-
-    // If displayed, hide the form validation popup.
-    FormValidationHandler.hidePopup();
-
-    let pageTooltip = document.getElementById("aHTMLTooltip");
-    let tooltipNode = pageTooltip.triggerNode;
-    if (tooltipNode) {
-      // Optimise for the common case
-      if (aWebProgress.isTopLevel) {
-        pageTooltip.hidePopup();
-      }
-      else {
-        for (let tooltipWindow = tooltipNode.ownerDocument.defaultView;
-             tooltipWindow != tooltipWindow.parent;
-             tooltipWindow = tooltipWindow.parent) {
-          if (tooltipWindow == aWebProgress.DOMWindow) {
-            pageTooltip.hidePopup();
-            break;
-          }
-        }
-      }
-    }
-
-    // Disable menu entries for images, enable otherwise
-    if (!gMultiProcessBrowser && content.document && BrowserUtils.mimeTypeIsTextBased(content.document.contentType))
-      this.isImage.removeAttribute('disabled');
-    else
-      this.isImage.setAttribute('disabled', 'true');
-
-    this.hideOverLinkImmediately = true;
-    this.setOverLink("", null);
-    this.hideOverLinkImmediately = false;
-
-    // We should probably not do this if the value has changed since the user
-    // searched
-    // Update urlbar only if a new page was loaded on the primary content area
-    // Do not update urlbar if there was a subframe navigation
-
-    var browser = gBrowser.selectedBrowser;
-    if (aWebProgress.isTopLevel) {
-      if ((location == "about:blank" && (gMultiProcessBrowser || !content.opener)) ||
-          location == "") {  // Second condition is for new tabs, otherwise
-                             // reload function is enabled until tab is refreshed.
-        this.reloadCommand.setAttribute("disabled", "true");
-      } else {
-        this.reloadCommand.removeAttribute("disabled");
-      }
-
-      if (gURLBar) {
-        URLBarSetURI(aLocationURI);
-
-        // Update starring UI
-        BookmarkingUI.updateStarState();
-      }
-
-      // Show or hide browser chrome based on the whitelist
-      if (this.hideChromeForLocation(location)) {
-        document.documentElement.setAttribute("disablechrome", "true");
-      } else {
-        let ss = Cc["@mozilla.org/browser/sessionstore;1"].getService(Ci.nsISessionStore);
-        if (ss.getTabValue(gBrowser.selectedTab, "appOrigin"))
-          document.documentElement.setAttribute("disablechrome", "true");
-        else
-          document.documentElement.removeAttribute("disablechrome");
-      }
-
-      // Utility functions for disabling find
-      var shouldDisableFind = function shouldDisableFind(aDocument) {
-        let docElt = aDocument.documentElement;
-        return docElt && docElt.getAttribute("disablefastfind") == "true";
-      }
-
-      var disableFindCommands = function disableFindCommands(aDisable) {
-        let findCommands = [document.getElementById("cmd_find"),
-                            document.getElementById("cmd_findAgain"),
-                            document.getElementById("cmd_findPrevious")];
-        for (let elt of findCommands) {
-          if (aDisable)
-            elt.setAttribute("disabled", "true");
-          else
-            elt.removeAttribute("disabled");
-        }
-        if (gFindBarInitialized) {
-          if (!gFindBar.hidden && aDisable) {
-            gFindBar.hidden = true;
-            this._findbarTemporarilyHidden = true;
-          } else if (this._findbarTemporarilyHidden && !aDisable) {
-            gFindBar.hidden = false;
-            this._findbarTemporarilyHidden = false;
-          }
-        }
-      }.bind(this);
-
-      var onContentRSChange = function onContentRSChange(e) {
-        if (e.target.readyState != "interactive" && e.target.readyState != "complete")
-          return;
-
-        e.target.removeEventListener("readystatechange", onContentRSChange);
-        disableFindCommands(shouldDisableFind(e.target));
-      }
-
-      // Disable find commands in documents that ask for them to be disabled.
-      if (!gMultiProcessBrowser && aLocationURI &&
-          (aLocationURI.schemeIs("about") || aLocationURI.schemeIs("chrome"))) {
-        // Don't need to re-enable/disable find commands for same-document location changes
-        // (e.g. the replaceStates in about:addons)
-        if (!(aFlags & Ci.nsIWebProgressListener.LOCATION_CHANGE_SAME_DOCUMENT)) {
-          if (content.document.readyState == "interactive" || content.document.readyState == "complete")
-            disableFindCommands(shouldDisableFind(content.document));
-          else {
-            content.document.addEventListener("readystatechange", onContentRSChange);
-          }
-        }
-      } else
-        disableFindCommands(false);
-
-      if (gFindBarInitialized) {
-        if (gFindBar.findMode != gFindBar.FIND_NORMAL) {
-          // Close the Find toolbar if we're in old-style TAF mode
-          gFindBar.close();
-        }
-        
-        // XXX
-        // See: https://github.com/MoonchildProductions/Pale-Moon/issues/364
-        // An actual preference: findbar.highlightAll
-        /*
-        if (!(gPrefService.getBoolPref("accessibility.typeaheadfind.highlightallremember") ||
-              gPrefService.getBoolPref("accessibility.typeaheadfind.highlightallbydefault"))) {
-            // fix bug 253793 - turn off highlight when page changes
-            gFindBar.getElement("highlight").checked = false;
-        }
-        */
-      }
-    }
-    UpdateBackForwardCommands(gBrowser.webNavigation);
-
-    gGestureSupport.restoreRotationState();
-
-    // See bug 358202, when tabs are switched during a drag operation,
-    // timers don't fire on windows (bug 203573)
-    if (aRequest)
-      setTimeout(function () { XULBrowserWindow.asyncUpdateUI(); }, 0);
-    else
-      this.asyncUpdateUI();
-  },
-
-  asyncUpdateUI: function () {
-    FeedHandler.updateFeeds();
-  },
-
-  hideChromeForLocation: function(aLocation) {
-    aLocation = aLocation.toLowerCase();
-    return this.inContentWhitelist.some(function(aSpec) {
-      return aSpec == aLocation;
-    });
-  },
-
-  onStatusChange: function (aWebProgress, aRequest, aStatus, aMessage) {
-    this.status = aMessage;
-    this.updateStatusField();
-  },
-
-  // Properties used to cache security state used to update the UI
-  _state: null,
-  _hostChanged: false, // onLocationChange will flip this bit
-
-  onSecurityChange: function (aWebProgress, aRequest, aState) {
-    // Don't need to do anything if the data we use to update the UI hasn't
-    // changed
-    if (this._state == aState &&
-        !this._hostChanged) {
-#ifdef DEBUG
-      try {
-        var contentHost = gBrowser.contentWindow.location.host;
-        if (this._host !== undefined && this._host != contentHost) {
-            Components.utils.reportError(
-              "ASSERTION: browser.js host is inconsistent. Content window has " +
-              "<" + contentHost + "> but cached host is <" + this._host + ">.\n"
-            );
-        }
-      } catch (ex) {}
-#endif
-      return;
-    }
-    this._state = aState;
-
-#ifdef DEBUG
-    try {
-      this._host = gBrowser.contentWindow.location.host;
-    } catch(ex) {
-      this._host = null;
-    }
-#endif
-
-    this._hostChanged = false;
-
-    // aState is defined as a bitmask that may be extended in the future.
-    // We filter out any unknown bits before testing for known values.
-    const wpl = Components.interfaces.nsIWebProgressListener;
-    const wpl_security_bits = wpl.STATE_IS_SECURE |
-                              wpl.STATE_IS_BROKEN |
-                              wpl.STATE_IS_INSECURE;
-    var level;
-
-    switch (this._state & wpl_security_bits) {
-      case wpl.STATE_IS_SECURE:
-        level = "high";
-        break;
-      case wpl.STATE_IS_BROKEN:
-        level = "broken";
-        break;
-    }
-
-    if (level) {
-      // We don't style the Location Bar based on the the 'level' attribute
-      // anymore, but still set it for third-party themes.
-      if (gURLBar)
-        gURLBar.setAttribute("level", level);
-    } else {
-      if (gURLBar)
-        gURLBar.removeAttribute("level");
-    }
-
-    if (gMultiProcessBrowser)
-      return;
-
-    // Don't pass in the actual location object, since it can cause us to
-    // hold on to the window object too long.  Just pass in the fields we
-    // care about. (bug 424829)
-    var location = gBrowser.contentWindow.location;
-    var locationObj = {};
-    try {
-      // about:blank can be used by webpages so pretend it is http
-      locationObj.protocol = location == "about:blank" ? "http:" : location.protocol;
-      locationObj.host = location.host;
-      locationObj.hostname = location.hostname;
-      locationObj.port = location.port;
-    } catch (ex) {
-      // Can sometimes throw if the URL being visited has no host/hostname,
-      // e.g. about:blank. The _state for these pages means we won't need these
-      // properties anyways, though.
-    }
-    gIdentityHandler.checkIdentity(this._state, locationObj);
-  },
-
-  // simulate all change notifications after switching tabs
-  onUpdateCurrentBrowser: function XWB_onUpdateCurrentBrowser(aStateFlags, aStatus, aMessage, aTotalProgress) {
-    if (FullZoom.updateBackgroundTabs)
-      FullZoom.onLocationChange(gBrowser.currentURI, true);
-    var nsIWebProgressListener = Components.interfaces.nsIWebProgressListener;
-    var loadingDone = aStateFlags & nsIWebProgressListener.STATE_STOP;
-    // use a pseudo-object instead of a (potentially nonexistent) channel for getting
-    // a correct error message - and make sure that the UI is always either in
-    // loading (STATE_START) or done (STATE_STOP) mode
-    this.onStateChange(
-      gBrowser.webProgress,
-      { URI: gBrowser.currentURI },
-      loadingDone ? nsIWebProgressListener.STATE_STOP : nsIWebProgressListener.STATE_START,
-      aStatus
-    );
-    // status message and progress value are undefined if we're done with loading
-    if (loadingDone)
-      return;
-    this.onStatusChange(gBrowser.webProgress, null, 0, aMessage);
-  }
-};
-
-var LinkTargetDisplay = {
-  get DELAY_SHOW() {
-     delete this.DELAY_SHOW;
-     return this.DELAY_SHOW = Services.prefs.getIntPref("browser.overlink-delay");
-  },
-
-  DELAY_HIDE: 250,
-  _timer: 0,
-
-  get _isVisible () XULBrowserWindow.statusTextField.label != "",
-
-  update: function () {
-    clearTimeout(this._timer);
-    window.removeEventListener("mousemove", this, true);
-
-    if (!XULBrowserWindow.overLink) {
-      if (XULBrowserWindow.hideOverLinkImmediately)
-        this._hide();
-      else
-        this._timer = setTimeout(this._hide.bind(this), this.DELAY_HIDE);
-      return;
-    }
-
-    if (this._isVisible) {
-      XULBrowserWindow.updateStatusField();
-    } else {
-      // Let the display appear when the mouse doesn't move within the delay
-      this._showDelayed();
-      window.addEventListener("mousemove", this, true);
-    }
-  },
-
-  handleEvent: function (event) {
-    switch (event.type) {
-      case "mousemove":
-        // Restart the delay since the mouse was moved
-        clearTimeout(this._timer);
-        this._showDelayed();
-        break;
-    }
-  },
-
-  _showDelayed: function () {
-    this._timer = setTimeout(function (self) {
-      XULBrowserWindow.updateStatusField();
-      window.removeEventListener("mousemove", self, true);
-    }, this.DELAY_SHOW, this);
-  },
-
-  _hide: function () {
-    clearTimeout(this._timer);
-
-    XULBrowserWindow.updateStatusField();
-  }
-};
-
-var CombinedStopReload = {
-  init: function () {
-    if (this._initialized)
-      return;
-
-    var urlbar = document.getElementById("urlbar-container");
-    var reload = document.getElementById("reload-button");
-    var stop = document.getElementById("stop-button");
-
-    if (urlbar) {
-      if (urlbar.parentNode.getAttribute("mode") != "icons" ||
-          !reload || urlbar.nextSibling != reload ||
-          !stop || reload.nextSibling != stop)
-        urlbar.removeAttribute("combined");
-      else {
-        urlbar.setAttribute("combined", "true");
-        reload = document.getElementById("urlbar-reload-button");
-        stop = document.getElementById("urlbar-stop-button");
-      }
-    }
-    if (!stop || !reload || reload.nextSibling != stop)
-      return;
-
-    this._initialized = true;
-    if (XULBrowserWindow.stopCommand.getAttribute("disabled") != "true")
-      reload.setAttribute("displaystop", "true");
-    stop.addEventListener("click", this, false);
-    this.reload = reload;
-    this.stop = stop;
-  },
-
-  uninit: function () {
-    if (!this._initialized)
-      return;
-
-    this._cancelTransition();
-    this._initialized = false;
-    this.stop.removeEventListener("click", this, false);
-    this.reload = null;
-    this.stop = null;
-  },
-
-  handleEvent: function (event) {
-    // the only event we listen to is "click" on the stop button
-    if (event.button == 0 &&
-        !this.stop.disabled)
-      this._stopClicked = true;
-  },
-
-  switchToStop: function () {
-    if (!this._initialized)
-      return;
-
-    this._cancelTransition();
-    this.reload.setAttribute("displaystop", "true");
-  },
-
-  switchToReload: function (aDelay) {
-    if (!this._initialized)
-      return;
-
-    this.reload.removeAttribute("displaystop");
-
-    if (!aDelay || this._stopClicked) {
-      this._stopClicked = false;
-      this._cancelTransition();
-      this.reload.disabled = XULBrowserWindow.reloadCommand
-                                             .getAttribute("disabled") == "true";
-      return;
-    }
-
-    if (this._timer)
-      return;
-
-    // Temporarily disable the reload button to prevent the user from
-    // accidentally reloading the page when intending to click the stop button
-    this.reload.disabled = true;
-    this._timer = setTimeout(function (self) {
-      self._timer = 0;
-      self.reload.disabled = XULBrowserWindow.reloadCommand
-                                             .getAttribute("disabled") == "true";
-    }, 650, this);
-  },
-
-  _cancelTransition: function () {
-    if (this._timer) {
-      clearTimeout(this._timer);
-      this._timer = 0;
-    }
-  }
-};
-
-var TabsProgressListener = {
-  onStateChange: function (aBrowser, aWebProgress, aRequest, aStateFlags, aStatus) {
-
-    // Attach a listener to watch for "click" events bubbling up from error
-    // pages and other similar page. This lets us fix bugs like 401575 which
-    // require error page UI to do privileged things, without letting error
-    // pages have any privilege themselves.
-    // We can't look for this during onLocationChange since at that point the
-    // document URI is not yet the about:-uri of the error page.
-
-    let doc = gMultiProcessBrowser ? null : aWebProgress.DOMWindow.document;
-    if (!gMultiProcessBrowser &&
-        aStateFlags & Ci.nsIWebProgressListener.STATE_STOP &&
-        Components.isSuccessCode(aStatus) &&
-        doc.documentURI.startsWith("about:") &&
-        !doc.documentURI.toLowerCase().startsWith("about:blank") &&
-        !doc.documentElement.hasAttribute("hasBrowserHandlers")) {
-      // STATE_STOP may be received twice for documents, thus store an
-      // attribute to ensure handling it just once.
-      doc.documentElement.setAttribute("hasBrowserHandlers", "true");
-      aBrowser.addEventListener("click", BrowserOnClick, true);
-      aBrowser.addEventListener("pagehide", function onPageHide(event) {
-        if (event.target.defaultView.frameElement)
-          return;
-        aBrowser.removeEventListener("click", BrowserOnClick, true);
-        aBrowser.removeEventListener("pagehide", onPageHide, true);
-        if (event.target.documentElement)
-          event.target.documentElement.removeAttribute("hasBrowserHandlers");
-      }, true);
-
-      // We also want to make changes to page UI for unprivileged about pages.
-      BrowserOnAboutPageLoad(doc);
-    }
-  },
-
-  onLocationChange: function (aBrowser, aWebProgress, aRequest, aLocationURI,
-                              aFlags) {
-    // Filter out location changes caused by anchor navigation
-    // or history.push/pop/replaceState.
-    if (aFlags & Ci.nsIWebProgressListener.LOCATION_CHANGE_SAME_DOCUMENT)
-      return;
-
-    // Only need to call locationChange if the PopupNotifications object
-    // for this window has already been initialized (i.e. its getter no
-    // longer exists)
-    if (!Object.getOwnPropertyDescriptor(window, "PopupNotifications").get)
-      PopupNotifications.locationChange(aBrowser);
-
-    gBrowser.getNotificationBox(aBrowser).removeTransientNotifications();
-
-    // Filter out location changes in sub documents.
-    if (aWebProgress.isTopLevel) {
-      // Initialize the click-to-play state.
-      aBrowser._clickToPlayPluginsActivated = new Map();
-      aBrowser._clickToPlayAllPluginsActivated = false;
-      aBrowser._pluginScriptedState = gPluginHandler.PLUGIN_SCRIPTED_STATE_NONE;
-
-      FullZoom.onLocationChange(aLocationURI, false, aBrowser);
-    }
-  },
-
-  onRefreshAttempted: function (aBrowser, aWebProgress, aURI, aDelay, aSameURI) {
-    if (gPrefService.getBoolPref("accessibility.blockautorefresh")) {
-      let brandBundle = document.getElementById("bundle_brand");
-      let brandShortName = brandBundle.getString("brandShortName");
-      let refreshButtonText =
-        gNavigatorBundle.getString("refreshBlocked.goButton");
-      let refreshButtonAccesskey =
-        gNavigatorBundle.getString("refreshBlocked.goButton.accesskey");
-      let message =
-        gNavigatorBundle.getFormattedString(aSameURI ? "refreshBlocked.refreshLabel"
-                                                     : "refreshBlocked.redirectLabel",
-                                            [brandShortName]);
-      let docShell = aWebProgress.DOMWindow
-                                 .QueryInterface(Ci.nsIInterfaceRequestor)
-                                 .getInterface(Ci.nsIWebNavigation)
-                                 .QueryInterface(Ci.nsIDocShell);
-      let notificationBox = gBrowser.getNotificationBox(aBrowser);
-      let notification = notificationBox.getNotificationWithValue("refresh-blocked");
-      if (notification) {
-        notification.label = message;
-        notification.refreshURI = aURI;
-        notification.delay = aDelay;
-        notification.docShell = docShell;
-      } else {
-        let buttons = [{
-          label: refreshButtonText,
-          accessKey: refreshButtonAccesskey,
-          callback: function (aNotification, aButton) {
-            var refreshURI = aNotification.docShell
-                                          .QueryInterface(Ci.nsIRefreshURI);
-            refreshURI.forceRefreshURI(aNotification.refreshURI,
-                                       aNotification.delay, true);
-          }
-        }];
-        notification =
-          notificationBox.appendNotification(message, "refresh-blocked",
-                                             "chrome://browser/skin/Info.png",
-                                             notificationBox.PRIORITY_INFO_MEDIUM,
-                                             buttons);
-        notification.refreshURI = aURI;
-        notification.delay = aDelay;
-        notification.docShell = docShell;
-      }
-      return false;
-    }
-    return true;
-  }
-}
-
-function nsBrowserAccess() { }
-
-nsBrowserAccess.prototype = {
-  QueryInterface: XPCOMUtils.generateQI([Ci.nsIBrowserDOMWindow, Ci.nsISupports]),
-
-  openURI: function (aURI, aOpener, aWhere, aContext) {
-    var newWindow = null;
-    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");
-      return null;
-    }
-
-    if (aWhere == Ci.nsIBrowserDOMWindow.OPEN_DEFAULTWINDOW) {
-      if (isExternal &&
-          gPrefService.prefHasUserValue("browser.link.open_newwindow.override.external"))
-        aWhere = gPrefService.getIntPref("browser.link.open_newwindow.override.external");
-      else
-        aWhere = gPrefService.getIntPref("browser.link.open_newwindow");
-    }
-
-    let referrer = aOpener ? makeURI(aOpener.location.href) : null;
-    let triggeringPrincipal = null;
-    let referrerPolicy = Ci.nsIHttpChannel.REFERRER_POLICY_DEFAULT;
-    if (aOpener && aOpener.document) {
-      referrerPolicy = aOpener.document.referrerPolicy;
-      triggeringPrincipal = aOpener.document.nodePrincipal;
-    }
-
-    switch (aWhere) {
-      case Ci.nsIBrowserDOMWindow.OPEN_NEWWINDOW :
-        // FIXME: Bug 408379. So how come this doesn't send the
-        // referrer like the other loads do?
-        var url = aURI ? aURI.spec : "about:blank";
-        // Pass all params to openDialog to ensure that "url" isn't passed through
-        // loadOneOrMoreURIs, which splits based on "|"
-        newWindow = openDialog(getBrowserURL(), "_blank", "all,dialog=no", url, null, null, null);
-        break;
-      case Ci.nsIBrowserDOMWindow.OPEN_NEWTAB :
-        let win, needToFocusWin;
-
-        // try the current window.  if we're in a popup, fall back on the most recent browser window
-        if (window.toolbar.visible)
-          win = window;
-        else {
-          let isPrivate = PrivateBrowsingUtils.isWindowPrivate(aOpener || window);
-          win = RecentWindow.getMostRecentBrowserWindow({private: isPrivate});
-          needToFocusWin = true;
-        }
-
-        if (!win) {
-          // we couldn't find a suitable window, a new one needs to be opened.
-          return null;
-        }
-
-        if (isExternal && (!aURI || aURI.spec == "about:blank")) {
-          win.BrowserOpenTab(); // this also focuses the location bar
-          win.focus();
-          newWindow = win.content;
-          break;
-        }
-
-        let loadInBackground = gPrefService.getBoolPref("browser.tabs.loadDivertedInBackground");
-        let openerWindow = (aContext & Ci.nsIBrowserDOMWindow.OPEN_NO_OPENER) ? null : aOpener;
-
-        let tab = win.gBrowser.loadOneTab(aURI ? aURI.spec : "about:blank", {
-                                          triggeringPrincipal: triggeringPrincipal,
-                                          referrerURI: referrer,
-                                          referrerPolicy: referrerPolicy,
-                                          fromExternal: isExternal,
-                                          inBackground: loadInBackground,
-                                          opener: openerWindow });
-        let browser = win.gBrowser.getBrowserForTab(tab);
-
-        if (gPrefService.getBoolPref("browser.tabs.noWindowActivationOnExternal")) {
-          isExternal = false; // this is a hack, but it works
-        }
-
-        newWindow = browser.contentWindow;
-        if (needToFocusWin || (!loadInBackground && isExternal))
-          newWindow.focus();
-        break;
-      default : // OPEN_CURRENTWINDOW or an illegal value
-        newWindow = content;
-        if (aURI) {
-          let loadflags = isExternal ?
-                            Ci.nsIWebNavigation.LOAD_FLAGS_FROM_EXTERNAL :
-                            Ci.nsIWebNavigation.LOAD_FLAGS_NONE;
-          gBrowser.loadURIWithFlags(aURI.spec, {
-                                    flags: loadflags,
-                                    triggeringPrincipal: triggeringPrincipal,
-                                    referrerURI: referrer,
-                                    referrerPolicy: referrerPolicy,
-                                    });
-        }
-        if (!gPrefService.getBoolPref("browser.tabs.loadDivertedInBackground"))
-          window.focus();
-    }
-    return newWindow;
-  },
-
-  isTabContentWindow: function (aWindow) {
-    return gBrowser.browsers.some(function (browser) browser.contentWindow == aWindow);
-  }
-}
-
-function onViewToolbarsPopupShowing(aEvent, aInsertPoint) {
-  var popup = aEvent.target;
-  if (popup != aEvent.currentTarget)
-    return;
-
-  // Empty the menu
-  for (var i = popup.childNodes.length-1; i >= 0; --i) {
-    var deadItem = popup.childNodes[i];
-    if (deadItem.hasAttribute("toolbarId"))
-      popup.removeChild(deadItem);
-  }
-
-  var firstMenuItem = aInsertPoint || popup.firstChild;
-
-  let toolbarNodes = Array.slice(gNavToolbox.childNodes);
-  toolbarNodes.push(document.getElementById("addon-bar"));
-
-  for (let toolbar of toolbarNodes) {
-    let toolbarName = toolbar.getAttribute("toolbarname");
-    if (toolbarName) {
-      let menuItem = document.createElement("menuitem");
-      let hidingAttribute = toolbar.getAttribute("type") == "menubar" ?
-                            "autohide" : "collapsed";
-      menuItem.setAttribute("id", "toggle_" + toolbar.id);
-      menuItem.setAttribute("toolbarId", toolbar.id);
-      menuItem.setAttribute("type", "checkbox");
-      menuItem.setAttribute("label", toolbarName);
-      menuItem.setAttribute("checked", toolbar.getAttribute(hidingAttribute) != "true");
-      if (popup.id != "appmenu_customizeMenu")
-        menuItem.setAttribute("accesskey", toolbar.getAttribute("accesskey"));
-      if (popup.id != "toolbar-context-menu")
-        menuItem.setAttribute("key", toolbar.getAttribute("key"));
-
-      popup.insertBefore(menuItem, firstMenuItem);
-
-      menuItem.addEventListener("command", onViewToolbarCommand, false);
-    }
-  }
-}
-
-function onViewToolbarCommand(aEvent) {
-  var toolbarId = aEvent.originalTarget.getAttribute("toolbarId");
-  var toolbar = document.getElementById(toolbarId);
-  var isVisible = aEvent.originalTarget.getAttribute("checked") == "true";
-  setToolbarVisibility(toolbar, isVisible);
-}
-
-function setToolbarVisibility(toolbar, isVisible) {
-  var hidingAttribute = toolbar.getAttribute("type") == "menubar" ?
-                        "autohide" : "collapsed";
-
-  toolbar.setAttribute(hidingAttribute, !isVisible);
-  document.persist(toolbar.id, hidingAttribute);
-
-  // Customizable toolbars - persist the hiding attribute.
-  if (toolbar.hasAttribute("customindex")) {
-    var toolbox = toolbar.parentNode;
-    var name = toolbar.getAttribute("toolbarname");
-    if (toolbox.toolbarset) {
-      try {
-        // Checking all attributes starting with "toolbar".
-        Array.prototype.slice.call(toolbox.toolbarset.attributes, 0)
-            .find(x => {
-              if (x.name.startsWith("toolbar")) {
-                var toolbarInfo = x.value;
-                var infoSplit = toolbarInfo.split(gToolbarInfoSeparators[0]);
-                if (infoSplit[0] == name) {
-                  infoSplit[1] = [
-                    infoSplit[1].split(gToolbarInfoSeparators[1], 1), !isVisible
-                  ].join(gToolbarInfoSeparators[1]);
-                  toolbox.toolbarset.setAttribute(
-                      x.name, infoSplit.join(gToolbarInfoSeparators[0]));
-                  document.persist(toolbox.toolbarset.id, x.name);
-                }
-              }
-            });
-      } catch (e) {
-        Components.utils.reportError(
-            "Customizable toolbars - persist the hiding attribute: " + e);
-      }
-    }
-  }
-
-  PlacesToolbarHelper.init();
-  BookmarkingUI.onToolbarVisibilityChange();
-  gBrowser.updateWindowResizers();
-
-#ifdef MENUBAR_CAN_AUTOHIDE
-  updateAppButtonDisplay();
-#endif
-
-  if (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);
-// Pale Moon: Stop Being a Derp, Mozilla (#3)
-    // Only show the toggle UI if the user disabled tabs on top.
-//    if (Services.prefs.getBoolPref(this._prefName)) {
-//      for (let item of document.querySelectorAll("menuitem[command=cmd_ToggleTabsOnTop]"))
-//        item.parentNode.removeChild(item);
-//    }
-  },
-
-  uninit: function TabsOnTop_uninit() {
-    Services.prefs.removeObserver(this._prefName, this);
-  },
-
-  toggle: function () {
-    this.enabled = !Services.prefs.getBoolPref(this._prefName);
-  },
-
-  syncUI: function () {
-    let userEnabled = Services.prefs.getBoolPref(this._prefName);
-    let enabled = userEnabled && gBrowser.tabContainer.visible;
-
-    document.getElementById("cmd_ToggleTabsOnTop")
-            .setAttribute("checked", userEnabled);
-
-    document.documentElement.setAttribute("tabsontop", enabled);
-    document.getElementById("navigator-toolbox").setAttribute("tabsontop", enabled);
-    document.getElementById("TabsToolbar").setAttribute("tabsontop", enabled);
-    document.getElementById("nav-bar").setAttribute("tabsontop", enabled);
-    gBrowser.tabContainer.setAttribute("tabsontop", enabled);
-    TabsInTitlebar.allowedBy("tabs-on-top", enabled);
-  },
-
-  get enabled () {
-    return gNavToolbox.getAttribute("tabsontop") == "true";
-  },
-
-  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.onTop"
-}
-
-var TabsInTitlebar = {
-  init: function () {
-#ifdef CAN_DRAW_IN_TITLEBAR
-    this._readPref();
-    Services.prefs.addObserver(this._prefName, this, false);
-
-    // Don't trust the initial value of the sizemode attribute; wait for
-    // the resize event (handled in tabbrowser.xml).
-    this.allowedBy("sizemode", false);
-
-    this._initialized = true;
-#endif
-  },
-
-  allowedBy: function (condition, allow) {
-#ifdef CAN_DRAW_IN_TITLEBAR
-    if (allow) {
-      if (condition in this._disallowed) {
-        delete this._disallowed[condition];
-        this._update();
-      }
-    } else {
-      if (!(condition in this._disallowed)) {
-        this._disallowed[condition] = null;
-        this._update();
-      }
-    }
-#endif
-  },
-
-  get enabled() {
-    return document.documentElement.getAttribute("tabsintitlebar") == "true";
-  },
-
-#ifdef CAN_DRAW_IN_TITLEBAR
-  observe: function (subject, topic, data) {
-    if (topic == "nsPref:changed")
-      this._readPref();
-  },
-
-  _initialized: false,
-  _disallowed: {},
-  _prefName: "browser.tabs.drawInTitlebar",
-
-  _readPref: function () {
-    this.allowedBy("pref",
-                   Services.prefs.getBoolPref(this._prefName));
-  },
-
-  _update: function () {
-    function $(id) document.getElementById(id);
-    function rect(ele) ele.getBoundingClientRect();
-
-    if (!this._initialized || window.fullScreen)
-      return;
-
-    let allowed = true;
-    for (let something in this._disallowed) {
-      allowed = false;
-      break;
-    }
-
-    if (allowed == this.enabled)
-      return;
-
-    let titlebar = $("titlebar");
-
-    if (allowed) {
-      let tabsToolbar       = $("TabsToolbar");
-
-#ifdef MENUBAR_CAN_AUTOHIDE
-      let appmenuButtonBox  = $("appmenu-button-container");
-      this._sizePlaceholder("appmenu-button", rect(appmenuButtonBox).width);
-#endif
-      let captionButtonsBox = $("titlebar-buttonbox");
-      this._sizePlaceholder("caption-buttons", rect(captionButtonsBox).width);
-
-      let tabsToolbarRect = rect(tabsToolbar);
-      let titlebarTop = rect($("titlebar-content")).top;
-      titlebar.style.marginBottom = - Math.min(tabsToolbarRect.top - titlebarTop,
-                                               tabsToolbarRect.height) + "px";
-
-      document.documentElement.setAttribute("tabsintitlebar", "true");
-
-      if (!this._draghandle) {
-        let tmp = {};
-        Components.utils.import("resource://gre/modules/WindowDraggingUtils.jsm", tmp);
-        this._draghandle = new tmp.WindowDraggingElement(tabsToolbar);
-        this._draghandle.mouseDownCheck = function () {
-          return !this._dragBindingAlive && TabsInTitlebar.enabled;
-        };
-      }
-    } else {
-      document.documentElement.removeAttribute("tabsintitlebar");
-
-      titlebar.style.marginBottom = "";
-    }
-    
-    ToolbarIconColor.inferFromText();
-  },
-
-  _sizePlaceholder: function (type, width) {
-    Array.forEach(document.querySelectorAll(".titlebar-placeholder[type='"+ type +"']"),
-                  function (node) { node.width = width; });
-  },
-#endif
-
-  uninit: function () {
-#ifdef CAN_DRAW_IN_TITLEBAR
-    this._initialized = false;
-    Services.prefs.removeObserver(this._prefName, this);
-#endif
-  }
-};
-
-#ifdef MENUBAR_CAN_AUTOHIDE
-function updateAppButtonDisplay() {
-  var displayAppButton =
-    !gInPrintPreviewMode &&
-    window.menubar.visible &&
-    document.getElementById("toolbar-menubar").getAttribute("autohide") == "true";
-
-#ifdef CAN_DRAW_IN_TITLEBAR
-  document.getElementById("titlebar").hidden = !displayAppButton;
-
-  if (displayAppButton)
-    document.documentElement.setAttribute("chromemargin", "0,2,2,2");
-  else
-    document.documentElement.removeAttribute("chromemargin");
-
-  TabsInTitlebar.allowedBy("drawing-in-titlebar", displayAppButton);
-#else
-  document.getElementById("appmenu-toolbar-button").hidden =
-    !displayAppButton;
-#endif
-}
-#endif
-
-#ifdef CAN_DRAW_IN_TITLEBAR
-function onTitlebarMaxClick() {
-  if (window.windowState == window.STATE_MAXIMIZED)
-    window.restore();
-  else
-    window.maximize();
-}
-#endif
-
-function displaySecurityInfo()
-{
-  BrowserPageInfo(null, "securityTab");
-}
-
-/**
- * Opens or closes the sidebar identified by commandID.
- *
- * @param commandID a string identifying the sidebar to toggle; see the
- *                  note below. (Optional if a sidebar is already open.)
- * @param forceOpen boolean indicating whether the sidebar should be
- *                  opened regardless of its current state (optional).
- * @note
- * We expect to find a xul:broadcaster element with the specified ID.
- * The following attributes on that element may be used and/or modified:
- *  - id           (required) the string to match commandID. The convention
- *                 is to use this naming scheme: 'view<sidebar-name>Sidebar'.
- *  - sidebarurl   (required) specifies the URL to load in this sidebar.
- *  - sidebartitle or label (in that order) specify the title to
- *                 display on the sidebar.
- *  - checked      indicates whether the sidebar is currently displayed.
- *                 Note that toggleSidebar updates this attribute when
- *                 it changes the sidebar's visibility.
- *  - group        this attribute must be set to "sidebar".
- */
-function toggleSidebar(commandID, forceOpen) {
-
-  var sidebarBox = document.getElementById("sidebar-box");
-  if (!commandID)
-    commandID = sidebarBox.getAttribute("sidebarcommand");
-
-  var sidebarBroadcaster = document.getElementById(commandID);
-  var sidebar = document.getElementById("sidebar"); // xul:browser
-  var sidebarTitle = document.getElementById("sidebar-title");
-  var sidebarSplitter = document.getElementById("sidebar-splitter");
-
-  if (sidebarBroadcaster.getAttribute("checked") == "true") {
-    if (!forceOpen) {
-      // Replace the document currently displayed in the sidebar with about:blank
-      // so that we can free memory by unloading the page. We need to explicitly
-      // create a new content viewer because the old one doesn't get destroyed
-      // until about:blank has loaded (which does not happen as long as the
-      // element is hidden).
-      sidebar.setAttribute("src", "about:blank");
-      sidebar.docShell.createAboutBlankContentViewer(null);
-
-      sidebarBroadcaster.removeAttribute("checked");
-      sidebarBox.setAttribute("sidebarcommand", "");
-      sidebarTitle.value = "";
-      sidebarBox.hidden = true;
-      sidebarSplitter.hidden = true;
-      gBrowser.selectedBrowser.focus();
-    } else {
-      fireSidebarFocusedEvent();
-    }
-    return;
-  }
-
-  // now we need to show the specified sidebar
-
-  // ..but first update the 'checked' state of all sidebar broadcasters
-  var broadcasters = document.getElementsByAttribute("group", "sidebar");
-  for (let broadcaster of broadcasters) {
-    // skip elements that observe sidebar broadcasters and random
-    // other elements
-    if (broadcaster.localName != "broadcaster")
-      continue;
-
-    if (broadcaster != sidebarBroadcaster)
-      broadcaster.removeAttribute("checked");
-    else
-      sidebarBroadcaster.setAttribute("checked", "true");
-  }
-
-  sidebarBox.hidden = false;
-  sidebarSplitter.hidden = false;
-
-  var url = sidebarBroadcaster.getAttribute("sidebarurl");
-  var title = sidebarBroadcaster.getAttribute("sidebartitle");
-  if (!title)
-    title = sidebarBroadcaster.getAttribute("label");
-  sidebar.setAttribute("src", url); // kick off async load
-  sidebarBox.setAttribute("sidebarcommand", sidebarBroadcaster.id);
-  sidebarTitle.value = title;
-
-  // We set this attribute here in addition to setting it on the <browser>
-  // element itself, because the code in gBrowserInit.onUnload persists this
-  // attribute, not the "src" of the <browser id="sidebar">. The reason it
-  // does that is that we want to delay sidebar load a bit when a browser
-  // window opens. See delayedStartup().
-  sidebarBox.setAttribute("src", url);
-
-  if (sidebar.contentDocument.location.href != url)
-    sidebar.addEventListener("load", sidebarOnLoad, true);
-  else // older code handled this case, so we do it too
-    fireSidebarFocusedEvent();
-}
-
-function sidebarOnLoad(event) {
-  var sidebar = document.getElementById("sidebar");
-  sidebar.removeEventListener("load", sidebarOnLoad, true);
-  // We're handling the 'load' event before it bubbles up to the usual
-  // (non-capturing) event handlers. Let it bubble up before firing the
-  // SidebarFocused event.
-  setTimeout(fireSidebarFocusedEvent, 0);
-}
-
-/**
- * Fire a "SidebarFocused" event on the sidebar's |window| to give the sidebar
- * a chance to adjust focus as needed. An additional event is needed, because
- * we don't want to focus the sidebar when it's opened on startup or in a new
- * window, only when the user opens the sidebar.
- */
-function fireSidebarFocusedEvent() {
-  var sidebar = document.getElementById("sidebar");
-  var event = document.createEvent("Events");
-  event.initEvent("SidebarFocused", true, false);
-  sidebar.contentWindow.dispatchEvent(event);
-}
-
-var gHomeButton = {
-  prefDomain: "browser.startup.homepage",
-  observe: function (aSubject, aTopic, aPrefName)
-  {
-    if (aTopic != "nsPref:changed" || aPrefName != this.prefDomain)
-      return;
-
-    this.updateTooltip();
-  },
-
-  updateTooltip: function (homeButton)
-  {
-    if (!homeButton)
-      homeButton = document.getElementById("home-button");
-    if (homeButton) {
-      var homePage = this.getHomePage();
-      homePage = homePage.replace(/\|/g,', ');
-      if (homePage.toLowerCase() == "about:home")
-        homeButton.setAttribute("tooltiptext", homeButton.getAttribute("aboutHomeOverrideTooltip"));
-      else
-        homeButton.setAttribute("tooltiptext", homePage);
-    }
-  },
-
-  getHomePage: function ()
-  {
-    var url;
-    try {
-      url = gPrefService.getComplexValue(this.prefDomain,
-                                Components.interfaces.nsIPrefLocalizedString).data;
-    } catch (e) {
-    }
-
-    // use this if we can't find the pref
-    if (!url) {
-      var configBundle = Services.strings
-                                 .createBundle("chrome://branding/locale/browserconfig.properties");
-      url = configBundle.GetStringFromName(this.prefDomain);
-    }
-
-    return url;
-  },
-
-  updatePersonalToolbarStyle: function (homeButton)
-  {
-    if (!homeButton)
-      homeButton = document.getElementById("home-button");
-    if (homeButton)
-      homeButton.className = homeButton.parentNode.id == "PersonalToolbar"
-                               || homeButton.parentNode.parentNode.id == "PersonalToolbar" ?
-                             homeButton.className.replace("toolbarbutton-1", "bookmark-item") :
-                             homeButton.className.replace("bookmark-item", "toolbarbutton-1");
-  }
-};
-
-/**
- * Gets the selected text in the active browser. Leading and trailing
- * whitespace is removed, and consecutive whitespace is replaced by a single
- * space. A maximum of 150 characters will be returned, regardless of the value
- * of aCharLen.
- *
- * @param aCharLen
- *        The maximum number of characters to return.
- */
-function getBrowserSelection(aCharLen) {
-  // selections of more than 150 characters aren't useful
-  const kMaxSelectionLen = 150;
-  const charLen = Math.min(aCharLen || kMaxSelectionLen, kMaxSelectionLen);
-  let commandDispatcher = document.commandDispatcher;
-
-  var focusedWindow = commandDispatcher.focusedWindow;
-  var selection = focusedWindow.getSelection().toString();
-  // try getting a selected text in text input.
-  if (!selection) {
-    let element = commandDispatcher.focusedElement;
-    var isOnTextInput = function isOnTextInput(elem) {
-      // we avoid to return a value if a selection is in password field.
-      // ref. bug 565717
-      return elem instanceof HTMLTextAreaElement ||
-             (elem instanceof HTMLInputElement && elem.mozIsTextField(true));
-    };
-
-    if (isOnTextInput(element)) {
-      selection = element.QueryInterface(Ci.nsIDOMNSEditableElement)
-                         .editor.selection.toString();
-    }
-  }
-
-  if (selection) {
-    if (selection.length > charLen) {
-      // only use the first charLen important chars. see bug 221361
-      var pattern = new RegExp("^(?:\\s*.){0," + charLen + "}");
-      pattern.test(selection);
-      selection = RegExp.lastMatch;
-    }
-
-    selection = selection.trim().replace(/\s+/g, " ");
-
-    if (selection.length > charLen)
-      selection = selection.substr(0, charLen);
-  }
-  return selection;
-}
-
-var gWebPanelURI;
-function openWebPanel(aTitle, aURI)
-{
-    // Ensure that the web panels sidebar is open.
-    toggleSidebar('viewWebPanelsSidebar', true);
-
-    // Set the title of the panel.
-    document.getElementById("sidebar-title").value = aTitle;
-
-    // Tell the Web Panels sidebar to load the bookmark.
-    var sidebar = document.getElementById("sidebar");
-    if (sidebar.docShell && sidebar.contentDocument && sidebar.contentDocument.getElementById('web-panels-browser')) {
-        sidebar.contentWindow.loadWebPanel(aURI);
-        if (gWebPanelURI) {
-            gWebPanelURI = "";
-            sidebar.removeEventListener("load", asyncOpenWebPanel, true);
-        }
-    }
-    else {
-        // The panel is still being constructed.  Attach an onload handler.
-        if (!gWebPanelURI)
-            sidebar.addEventListener("load", asyncOpenWebPanel, true);
-        gWebPanelURI = aURI;
-    }
-}
-
-function asyncOpenWebPanel(event)
-{
-    var sidebar = document.getElementById("sidebar");
-    if (gWebPanelURI && sidebar.contentDocument && sidebar.contentDocument.getElementById('web-panels-browser'))
-        sidebar.contentWindow.loadWebPanel(gWebPanelURI);
-    gWebPanelURI = "";
-    sidebar.removeEventListener("load", asyncOpenWebPanel, true);
-}
-
-/*
- * - [ Dependencies ] ---------------------------------------------------------
- *  utilityOverlay.js:
- *    - gatherTextUnder
- */
-
-/**
- * Extracts linkNode and href for the current click target.
- *
- * @param event
- *        The click event.
- * @return [href, linkNode].
- *
- * @note linkNode will be null if the click wasn't on an anchor
- *       element (or XLink).
- */
-function hrefAndLinkNodeForClickEvent(event)
-{
-  function isHTMLLink(aNode)
-  {
-    // Be consistent with what nsContextMenu.js does.
-    return ((aNode instanceof HTMLAnchorElement && aNode.href) ||
-            (aNode instanceof HTMLAreaElement && aNode.href) ||
-            aNode instanceof HTMLLinkElement);
-  }
-
-  let node = event.target;
-  while (node && !isHTMLLink(node)) {
-    node = node.parentNode;
-  }
-
-  if (node)
-    return [node.href, node];
-
-  // If there is no linkNode, try simple XLink.
-  let href, baseURI;
-  node = event.target;
-  while (node && !href) {
-    if (node.nodeType == Node.ELEMENT_NODE &&
-        (node.localName == "a" ||
-         node.namespaceURI == "http://www.w3.org/1998/Math/MathML")) {
-      href = node.getAttributeNS("http://www.w3.org/1999/xlink", "href");
-      if (href) {
-        baseURI = node.baseURI;
-        break;
-      }
-    }
-    node = node.parentNode;
-  }
-
-  // In case of XLink, we don't return the node we got href from since
-  // callers expect <a>-like elements.
-  return [href ? makeURLAbsolute(baseURI, href) : null, null];
-}
-
-/**
- * Called whenever the user clicks in the content area.
- *
- * @param event
- *        The click event.
- * @param isPanelClick
- *        Whether the event comes from a web panel.
- * @note default event is prevented if the click is handled.
- */
-function contentAreaClick(event, isPanelClick)
-{
-  if (!event.isTrusted || event.defaultPrevented || event.button == 2)
-    return;
-
-  let [href, linkNode] = hrefAndLinkNodeForClickEvent(event);
-  if (!href) {
-    // Not a link, handle middle mouse navigation.
-    if (event.button == 1 &&
-        gPrefService.getBoolPref("middlemouse.contentLoadURL") &&
-        !gPrefService.getBoolPref("general.autoScroll")) {
-      middleMousePaste(event);
-      event.preventDefault();
-    }
-    return;
-  }
-
-  // This code only applies if we have a linkNode (i.e. clicks on real anchor
-  // elements, as opposed to XLink).
-  if (linkNode && event.button == 0 &&
-      !event.ctrlKey && !event.shiftKey && !event.altKey && !event.metaKey) {
-    // A Web panel's links should target the main content area.  Do this
-    // if no modifier keys are down and if there's no target or the target
-    // equals _main (the IE convention) or _content (the Mozilla convention).
-    let target = linkNode.target;
-    let mainTarget = !target || target == "_content" || target  == "_main";
-    if (isPanelClick && mainTarget) {
-      // javascript and data links should be executed in the current browser.
-      if (linkNode.getAttribute("onclick") ||
-          href.startsWith("javascript:") ||
-          href.startsWith("data:"))
-        return;
-
-      try {
-        urlSecurityCheck(href, linkNode.ownerDocument.nodePrincipal);
-      }
-      catch(ex) {
-        // Prevent loading unsecure destinations.
-        event.preventDefault();
-        return;
-      }
-
-      loadURI(href, null, null, false);
-      event.preventDefault();
-      return;
-    }
-
-    if (linkNode.getAttribute("rel") == "sidebar") {
-      // This is the Opera convention for a special link that, when clicked,
-      // allows to add a sidebar panel.  The link's title attribute contains
-      // the title that should be used for the sidebar panel.
-      PlacesUIUtils.showBookmarkDialog({ action: "add"
-                                       , type: "bookmark"
-                                       , uri: makeURI(href)
-                                       , title: linkNode.getAttribute("title")
-                                       , loadBookmarkInSidebar: true
-                                       , hiddenRows: [ "description"
-                                                     , "location"
-                                                     , "keyword" ]
-                                       }, window);
-      event.preventDefault();
-      return;
-    }
-  }
-
-  handleLinkClick(event, href, linkNode);
-
-  // Mark the page as a user followed link.  This is done so that history can
-  // distinguish automatic embed visits from user activated ones.  For example
-  // pages loaded in frames are embed visits and lost with the session, while
-  // visits across frames should be preserved.
-  try {
-    if (!PrivateBrowsingUtils.isWindowPrivate(window))
-      PlacesUIUtils.markPageAsFollowedLink(href);
-  } catch (ex) { /* Skip invalid URIs. */ }
-}
-
-/**
- * Handles clicks on links.
- *
- * @return true if the click event was handled, false otherwise.
- */
-function handleLinkClick(event, href, linkNode) {
-  if (event.button == 2) // right click
-    return false;
-
-  var where = whereToOpenLink(event);
-  if (where == "current")
-    return false;
-
-  var doc = event.target.ownerDocument;
-
-  if (where == "save") {
-    saveURL(href, linkNode ? gatherTextUnder(linkNode) : "", null, true,
-            true, doc.documentURIObject, doc);
-    event.preventDefault();
-    return true;
-  }
-
-  urlSecurityCheck(href, doc.nodePrincipal);
-  openLinkIn(href, where, { referrerURI: doc.documentURIObject,
-                            charset: doc.characterSet,
-                            referrerPolicy: doc.referrerPolicy,
-                            originPrincipal: doc.nodePrincipal,
-                            triggeringPrincipal: doc.nodePrincipal });
-  event.preventDefault();
-  return true;
-}
-
-function middleMousePaste(event) {
-  let clipboard = readFromClipboard();
-  if (!clipboard)
-    return;
-
-  // Strip embedded newlines and surrounding whitespace, to match the URL
-  // bar's behavior (stripsurroundingwhitespace)
-  clipboard = clipboard.replace(/\s*\n\s*/g, "");
-
-  // if it's not the current tab, we don't need to do anything because the 
-  // browser doesn't exist.
-  let where = whereToOpenLink(event, true, false);
-  let lastLocationChange;
-  if (where == "current") {
-    lastLocationChange = gBrowser.selectedBrowser.lastLocationChange;
-  }
-
-  getShortcutOrURIAndPostData(clipboard).then(data => {
-    try {
-      makeURI(data.url);
-    } catch (ex) {
-      // Not a valid URI.
-      return;
-    }
-
-    try {
-      addToUrlbarHistory(data.url);
-    } catch (ex) {
-      // Things may go wrong when adding url to session history,
-      // but don't let that interfere with the loading of the url.
-      Cu.reportError(ex);
-    }
-
-    if (where != "current" ||
-        lastLocationChange == gBrowser.selectedBrowser.lastLocationChange) {
-      openUILink(data.url, event,
-                 { ignoreButton: true,
-                   disallowInheritPrincipal: !data.mayInheritPrincipal,
-                   initiatingDoc: event ? event.target.ownerDocument : null });
-    }
-  });
-
-  event.stopPropagation();
-}
-
-// handleDroppedLink has the following 2 overloads:
-//   handleDroppedLink(event, url, name)
-//   handleDroppedLink(event, links)
-function handleDroppedLink(event, urlOrLinks, name)
-{
-  let links;
-  if (Array.isArray(urlOrLinks)) {
-    links = urlOrLinks;
-  } else {
-    links = [{ url: urlOrLinks, name, type: "" }];
-  }
-
-  let lastLocationChange = gBrowser.selectedBrowser.lastLocationChange;
-
-  let inBackground = Services.prefs.getBoolPref("browser.tabs.loadInBackground");
-  if (event.shiftKey)
-    inBackground = !inBackground;
-
-  Task.spawn(function*() {
-    let urls = [];
-    let postDatas = [];
-    for (let link of links) {
-      let data = yield getShortcutOrURIAndPostData(link.url);
-      urls.push(data.url);
-      postDatas.push(data.postData);
-    }
-    if (lastLocationChange == gBrowser.selectedBrowser.lastLocationChange) {
-      gBrowser.loadTabs(urls, {
-        inBackground,
-        replace: true,
-        allowThirdPartyFixup: false,
-        postDatas,
-      });
-    }
-  });
-
-  // Keep the event from being handled by the dragDrop listeners
-  // built-in to goanna if they happen to be above us.
-  event.preventDefault();
-};
-
-function MultiplexHandler(event)
-{ try {
-    var node = event.target;
-    var name = node.getAttribute('name');
-
-    if (name == 'detectorGroup') {
-        BrowserCharsetReload();
-        SelectDetector(event, false);
-    } else if (name == 'charsetGroup') {
-        var charset = node.getAttribute('id');
-        charset = charset.substring(charset.indexOf('charset.') + 'charset.'.length);
-        BrowserSetForcedCharacterSet(charset);
-    } else if (name == 'charsetCustomize') {
-        //do nothing - please remove this else statement, once the charset prefs moves to the pref window
-    } else {
-        BrowserSetForcedCharacterSet(node.getAttribute('id'));
-    }
-    } catch(ex) { alert(ex); }
-}
-
-function SelectDetector(event, doReload)
-{
-    var uri =  event.target.getAttribute("id");
-    var prefvalue = uri.substring(uri.indexOf('chardet.') + 'chardet.'.length);
-    if ("off" == prefvalue) { // "off" is special value to turn off the detectors
-        prefvalue = "";
-    }
-
-    try {
-        var str =  Cc["@mozilla.org/supports-string;1"].
-                   createInstance(Ci.nsISupportsString);
-
-        str.data = prefvalue;
-        gPrefService.setComplexValue("intl.charset.detector", Ci.nsISupportsString, str);
-        if (doReload)
-          window.content.location.reload();
-    }
-    catch (ex) {
-        dump("Failed to set the intl.charset.detector preference.\n");
-    }
-}
-
-function BrowserSetForcedCharacterSet(aCharset)
-{
-  gBrowser.docShell.charset = aCharset;
-  // Save the forced character-set
-  if (!PrivateBrowsingUtils.isWindowPrivate(window))
-    PlacesUtils.setCharsetForURI(getWebNavigation().currentURI, aCharset);
-  BrowserCharsetReload();
-}
-
-function BrowserCharsetReload()
-{
-  BrowserReloadWithFlags(nsIWebNavigation.LOAD_FLAGS_CHARSET_CHANGE);
-}
-
-function charsetMenuGetElement(parent, id) {
-  return parent.getElementsByAttribute("id", id)[0];
-}
-
-function UpdateCurrentCharset(target) {
-    // extract the charset from DOM
-    var wnd = document.commandDispatcher.focusedWindow;
-    if ((window == wnd) || (wnd == null)) wnd = window.content;
-
-    // Uncheck previous item
-    if (gPrevCharset) {
-        var pref_item = charsetMenuGetElement(target, "charset." + gPrevCharset);
-        if (pref_item)
-          pref_item.setAttribute('checked', 'false');
-    }
-
-    var menuitem = charsetMenuGetElement(target, "charset." + wnd.document.characterSet);
-    if (menuitem) {
-        menuitem.setAttribute('checked', 'true');
-    }
-}
-
-function UpdateCharsetDetector(target) {
-  var prefvalue;
-
-  try {
-    prefvalue = gPrefService.getComplexValue("intl.charset.detector", Ci.nsIPrefLocalizedString).data;
-  }
-  catch (ex) {}
-
-  if (!prefvalue)
-    prefvalue = "off";
-
-  var menuitem = charsetMenuGetElement(target, "chardet." + prefvalue);
-  if (menuitem)
-    menuitem.setAttribute("checked", "true");
-}
-
-function UpdateMenus(event) {
-  UpdateCurrentCharset(event.target);
-  UpdateCharsetDetector(event.target);
-}
-
-function charsetLoadListener() {
-  var charset = window.content.document.characterSet;
-
-  if (charset.length > 0 && (charset != gLastBrowserCharset)) {
-    gPrevCharset = gLastBrowserCharset;
-    gLastBrowserCharset = charset;
-  }
-}
-
-var gPageStyleMenu = {
-
-  _getAllStyleSheets: function (frameset) {
-    var styleSheetsArray = Array.slice(frameset.document.styleSheets);
-    for (let i = 0; i < frameset.frames.length; i++) {
-      let frameSheets = this._getAllStyleSheets(frameset.frames[i]);
-      styleSheetsArray = styleSheetsArray.concat(frameSheets);
-    }
-    return styleSheetsArray;
-  },
-
-  fillPopup: function (menuPopup) {
-    var noStyle = menuPopup.firstChild;
-    var persistentOnly = noStyle.nextSibling;
-    var sep = persistentOnly.nextSibling;
-    while (sep.nextSibling)
-      menuPopup.removeChild(sep.nextSibling);
-
-    var styleSheets = this._getAllStyleSheets(window.content);
-    var currentStyleSheets = {};
-    var styleDisabled = getMarkupDocumentViewer().authorStyleDisabled;
-    var haveAltSheets = false;
-    var altStyleSelected = false;
-
-    for (let currentStyleSheet of styleSheets) {
-      if (!currentStyleSheet.title)
-        continue;
-
-      // Skip any stylesheets whose media attribute doesn't match.
-      if (currentStyleSheet.media.length > 0) {
-        let mediaQueryList = currentStyleSheet.media.mediaText;
-        if (!window.content.matchMedia(mediaQueryList).matches)
-          continue;
-      }
-
-      if (!currentStyleSheet.disabled)
-        altStyleSelected = true;
-
-      haveAltSheets = true;
-
-      let lastWithSameTitle = null;
-      if (currentStyleSheet.title in currentStyleSheets)
-        lastWithSameTitle = currentStyleSheets[currentStyleSheet.title];
-
-      if (!lastWithSameTitle) {
-        let menuItem = document.createElement("menuitem");
-        menuItem.setAttribute("type", "radio");
-        menuItem.setAttribute("label", currentStyleSheet.title);
-        menuItem.setAttribute("data", currentStyleSheet.title);
-        menuItem.setAttribute("checked", !currentStyleSheet.disabled && !styleDisabled);
-        menuItem.setAttribute("oncommand", "gPageStyleMenu.switchStyleSheet(this.getAttribute('data'));");
-        menuPopup.appendChild(menuItem);
-        currentStyleSheets[currentStyleSheet.title] = menuItem;
-      } else if (currentStyleSheet.disabled) {
-        lastWithSameTitle.removeAttribute("checked");
-      }
-    }
-
-    noStyle.setAttribute("checked", styleDisabled);
-    persistentOnly.setAttribute("checked", !altStyleSelected && !styleDisabled);
-    persistentOnly.hidden = (window.content.document.preferredStyleSheetSet) ? haveAltSheets : false;
-    sep.hidden = (noStyle.hidden && persistentOnly.hidden) || !haveAltSheets;
-  },
-
-  _stylesheetInFrame: function (frame, title) {
-    return Array.some(frame.document.styleSheets,
-                      function (stylesheet) stylesheet.title == title);
-  },
-
-  _stylesheetSwitchFrame: function (frame, title) {
-    var docStyleSheets = frame.document.styleSheets;
-
-    for (let i = 0; i < docStyleSheets.length; ++i) {
-      let docStyleSheet = docStyleSheets[i];
-
-      if (docStyleSheet.title)
-        docStyleSheet.disabled = (docStyleSheet.title != title);
-      else if (docStyleSheet.disabled)
-        docStyleSheet.disabled = false;
-    }
-  },
-
-  _stylesheetSwitchAll: function (frameset, title) {
-    if (!title || this._stylesheetInFrame(frameset, title))
-      this._stylesheetSwitchFrame(frameset, title);
-
-    for (let i = 0; i < frameset.frames.length; i++)
-      this._stylesheetSwitchAll(frameset.frames[i], title);
-  },
-
-  switchStyleSheet: function (title, contentWindow) {
-    getMarkupDocumentViewer().authorStyleDisabled = false;
-    this._stylesheetSwitchAll(contentWindow || content, title);
-  },
-
-  disableStyle: function () {
-    getMarkupDocumentViewer().authorStyleDisabled = true;
-  },
-};
-
-/* Legacy global page-style functions */
-var getAllStyleSheets   = gPageStyleMenu._getAllStyleSheets.bind(gPageStyleMenu);
-var stylesheetFillPopup = gPageStyleMenu.fillPopup.bind(gPageStyleMenu);
-function stylesheetSwitchAll(contentWindow, title) {
-  gPageStyleMenu.switchStyleSheet(title, contentWindow);
-}
-function setStyleDisabled(disabled) {
-  if (disabled)
-    gPageStyleMenu.disableStyle();
-}
-
-
-var BrowserOffline = {
-  _inited: false,
-
-  /////////////////////////////////////////////////////////////////////////////
-  // BrowserOffline Public Methods
-  init: function ()
-  {
-    if (!this._uiElement)
-      this._uiElement = document.getElementById("workOfflineMenuitemState");
-
-    Services.obs.addObserver(this, "network:offline-status-changed", false);
-
-    this._updateOfflineUI(Services.io.offline);
-
-    this._inited = true;
-  },
-
-  uninit: function ()
-  {
-    if (this._inited) {
-      Services.obs.removeObserver(this, "network:offline-status-changed");
-    }
-  },
-
-  toggleOfflineStatus: function ()
-  {
-    var ioService = Services.io;
-
-    // Stop automatic management of the offline status
-    try {
-      ioService.manageOfflineStatus = false;
-    } catch (ex) {
-    }
-
-    if (!ioService.offline && !this._canGoOffline()) {
-      this._updateOfflineUI(false);
-      return;
-    }
-
-    ioService.offline = !ioService.offline;
-  },
-
-  /////////////////////////////////////////////////////////////////////////////
-  // nsIObserver
-  observe: function (aSubject, aTopic, aState)
-  {
-    if (aTopic != "network:offline-status-changed")
-      return;
-
-    this._updateOfflineUI(aState == "offline");
-  },
-
-  /////////////////////////////////////////////////////////////////////////////
-  // BrowserOffline Implementation Methods
-  _canGoOffline: function ()
-  {
-    try {
-      var cancelGoOffline = Cc["@mozilla.org/supports-PRBool;1"].createInstance(Ci.nsISupportsPRBool);
-      Services.obs.notifyObservers(cancelGoOffline, "offline-requested", null);
-
-      // Something aborted the quit process.
-      if (cancelGoOffline.data)
-        return false;
-    }
-    catch (ex) {
-    }
-
-    return true;
-  },
-
-  _uiElement: null,
-  _updateOfflineUI: function (aOffline)
-  {
-    var offlineLocked = gPrefService.prefIsLocked("network.online");
-    if (offlineLocked)
-      this._uiElement.setAttribute("disabled", "true");
-
-    this._uiElement.setAttribute("checked", aOffline);
-  }
-};
-
-var OfflineApps = {
-  /////////////////////////////////////////////////////////////////////////////
-  // OfflineApps Public Methods
-  init: function ()
-  {
-    Services.obs.addObserver(this, "offline-cache-update-completed", false);
-  },
-
-  uninit: function ()
-  {
-    Services.obs.removeObserver(this, "offline-cache-update-completed");
-  },
-
-  handleEvent: function(event) {
-    if (event.type == "MozApplicationManifest") {
-      this.offlineAppRequested(event.originalTarget.defaultView);
-    }
-  },
-
-  /////////////////////////////////////////////////////////////////////////////
-  // OfflineApps Implementation Methods
-
-  // XXX: _getBrowserWindowForContentWindow and _getBrowserForContentWindow
-  // were taken from browser/components/feeds/src/WebContentConverter.
-  _getBrowserWindowForContentWindow: function(aContentWindow) {
-    return aContentWindow.QueryInterface(Ci.nsIInterfaceRequestor)
-                         .getInterface(Ci.nsIWebNavigation)
-                         .QueryInterface(Ci.nsIDocShellTreeItem)
-                         .rootTreeItem
-                         .QueryInterface(Ci.nsIInterfaceRequestor)
-                         .getInterface(Ci.nsIDOMWindow)
-                         .wrappedJSObject;
-  },
-
-  _getBrowserForContentWindow: function(aBrowserWindow, aContentWindow) {
-    // This depends on pseudo APIs of browser.js and tabbrowser.xml
-    aContentWindow = aContentWindow.top;
-    var browsers = aBrowserWindow.gBrowser.browsers;
-    for (let browser of browsers) {
-      if (browser.contentWindow == aContentWindow)
-        return browser;
-    }
-    // handle other browser/iframe elements that may need popupnotifications
-    let browser = aContentWindow
-                          .QueryInterface(Ci.nsIInterfaceRequestor)
-                          .getInterface(Ci.nsIWebNavigation)
-                          .QueryInterface(Ci.nsIDocShell)
-                          .chromeEventHandler;
-    if (browser.getAttribute("popupnotificationanchor"))
-      return browser;
-    return null;
-  },
-
-  _getManifestURI: function(aWindow) {
-    if (!aWindow.document.documentElement)
-      return null;
-
-    var attr = aWindow.document.documentElement.getAttribute("manifest");
-    if (!attr)
-      return null;
-
-    try {
-      var contentURI = makeURI(aWindow.location.href, null, null);
-      return makeURI(attr, aWindow.document.characterSet, contentURI);
-    } catch (e) {
-      return null;
-    }
-  },
-
-  // A cache update isn't tied to a specific window.  Try to find
-  // the best browser in which to warn the user about space usage
-  _getBrowserForCacheUpdate: function(aCacheUpdate) {
-    // Prefer the current browser
-    var uri = this._getManifestURI(content);
-    if (uri && uri.equals(aCacheUpdate.manifestURI)) {
-      return gBrowser.selectedBrowser;
-    }
-
-    var browsers = gBrowser.browsers;
-    for (let browser of browsers) {
-      uri = this._getManifestURI(browser.contentWindow);
-      if (uri && uri.equals(aCacheUpdate.manifestURI)) {
-        return browser;
-      }
-    }
-
-    // is this from a non-tab browser/iframe?
-    browsers = document.querySelectorAll("iframe[popupnotificationanchor] | browser[popupnotificationanchor]");
-    for (let browser of browsers) {
-      uri = this._getManifestURI(browser.contentWindow);
-      if (uri && uri.equals(aCacheUpdate.manifestURI)) {
-        return browser;
-      }
-    }
-
-    return null;
-  },
-
-  _warnUsage: function(aBrowser, aURI) {
-    if (!aBrowser)
-      return;
-
-    let mainAction = {
-      label: gNavigatorBundle.getString("offlineApps.manageUsage"),
-      accessKey: gNavigatorBundle.getString("offlineApps.manageUsageAccessKey"),
-      callback: OfflineApps.manage
-    };
-
-    let warnQuota = gPrefService.getIntPref("offline-apps.quota.warn");
-    let message = gNavigatorBundle.getFormattedString("offlineApps.usage",
-                                                      [ aURI.host,
-                                                        warnQuota / 1024 ]);
-
-    let anchorID = "indexedDB-notification-icon";
-    PopupNotifications.show(aBrowser, "offline-app-usage", message,
-                            anchorID, mainAction);
-
-    // Now that we've warned once, prevent the warning from showing up
-    // again.
-    Services.perms.add(aURI, "offline-app",
-                       Ci.nsIOfflineCacheUpdateService.ALLOW_NO_WARN);
-  },
-
-  // XXX: duplicated in preferences/advanced.js
-  _getOfflineAppUsage: function (host, groups)
-  {
-    var cacheService = Cc["@mozilla.org/network/application-cache-service;1"].
-                       getService(Ci.nsIApplicationCacheService);
-    if (!groups)
-      groups = cacheService.getGroups();
-
-    var usage = 0;
-    for (let group of groups) {
-      var uri = Services.io.newURI(group, null, null);
-      if (uri.asciiHost == host) {
-        var cache = cacheService.getActiveCache(group);
-        usage += cache.usage;
-      }
-    }
-
-    return usage;
-  },
-
-  _checkUsage: function(aURI) {
-    // if the user has already allowed excessive usage, don't bother checking
-    if (Services.perms.testExactPermission(aURI, "offline-app") !=
-        Ci.nsIOfflineCacheUpdateService.ALLOW_NO_WARN) {
-      var usage = this._getOfflineAppUsage(aURI.asciiHost);
-      var warnQuota = gPrefService.getIntPref("offline-apps.quota.warn");
-      if (usage >= warnQuota * 1024) {
-        return true;
-      }
-    }
-
-    return false;
-  },
-
-  offlineAppRequested: function(aContentWindow) {
-    if (!gPrefService.getBoolPref("browser.offline-apps.notify")) {
-      return;
-    }
-
-    let browserWindow = this._getBrowserWindowForContentWindow(aContentWindow);
-    let browser = this._getBrowserForContentWindow(browserWindow,
-                                                   aContentWindow);
-
-    let currentURI = aContentWindow.document.documentURIObject;
-
-    // don't bother showing UI if the user has already made a decision
-    if (Services.perms.testExactPermission(currentURI, "offline-app") != Services.perms.UNKNOWN_ACTION)
-      return;
-
-    try {
-      if (gPrefService.getBoolPref("offline-apps.allow_by_default")) {
-        // all pages can use offline capabilities, no need to ask the user
-        return;
-      }
-    } catch(e) {
-      // this pref isn't set by default, ignore failures
-    }
-
-    let host = currentURI.asciiHost;
-    let notificationID = "offline-app-requested-" + host;
-    let notification = PopupNotifications.getNotification(notificationID, browser);
-
-    if (notification) {
-      notification.options.documents.push(aContentWindow.document);
-    } else {
-      let mainAction = {
-        label: gNavigatorBundle.getString("offlineApps.allow"),
-        accessKey: gNavigatorBundle.getString("offlineApps.allowAccessKey"),
-        callback: function() {
-          for (let document of notification.options.documents) {
-            OfflineApps.allowSite(document);
-          }
-        }
-      };
-      let secondaryActions = [{
-        label: gNavigatorBundle.getString("offlineApps.never"),
-        accessKey: gNavigatorBundle.getString("offlineApps.neverAccessKey"),
-        callback: function() {
-          for (let document of notification.options.documents) {
-            OfflineApps.disallowSite(document);
-          }
-        }
-      }];
-      let message = gNavigatorBundle.getFormattedString("offlineApps.available",
-                                                        [ host ]);
-      let anchorID = "indexedDB-notification-icon";
-      let options= {
-        documents : [ aContentWindow.document ]
-      };
-      notification = PopupNotifications.show(browser, notificationID, message,
-                                             anchorID, mainAction,
-                                             secondaryActions, options);
-    }
-  },
-
-  allowSite: function(aDocument) {
-    Services.perms.add(aDocument.documentURIObject, "offline-app", Services.perms.ALLOW_ACTION);
-
-    // When a site is enabled while loading, manifest resources will
-    // start fetching immediately.  This one time we need to do it
-    // ourselves.
-    this._startFetching(aDocument);
-  },
-
-  disallowSite: function(aDocument) {
-    Services.perms.add(aDocument.documentURIObject, "offline-app", Services.perms.DENY_ACTION);
-  },
-
-  manage: function() {
-    openAdvancedPreferences("networkTab");
-  },
-
-  _startFetching: function(aDocument) {
-    if (!aDocument.documentElement)
-      return;
-
-    var manifest = aDocument.documentElement.getAttribute("manifest");
-    if (!manifest)
-      return;
-
-    var manifestURI = makeURI(manifest, aDocument.characterSet,
-                              aDocument.documentURIObject);
-
-    var updateService = Cc["@mozilla.org/offlinecacheupdate-service;1"].
-                        getService(Ci.nsIOfflineCacheUpdateService);
-    updateService.scheduleUpdate(manifestURI, aDocument.documentURIObject, window);
-  },
-
-  /////////////////////////////////////////////////////////////////////////////
-  // nsIObserver
-  observe: function (aSubject, aTopic, aState)
-  {
-    if (aTopic == "offline-cache-update-completed") {
-      var cacheUpdate = aSubject.QueryInterface(Ci.nsIOfflineCacheUpdate);
-
-      var uri = cacheUpdate.manifestURI;
-      if (OfflineApps._checkUsage(uri)) {
-        var browser = this._getBrowserForCacheUpdate(cacheUpdate);
-        if (browser) {
-          OfflineApps._warnUsage(browser, cacheUpdate.manifestURI);
-        }
-      }
-    }
-  }
-};
-
-var IndexedDBPromptHelper = {
-  _permissionsPrompt: "indexedDB-permissions-prompt",
-  _permissionsResponse: "indexedDB-permissions-response",
-
-  _quotaPrompt: "indexedDB-quota-prompt",
-  _quotaResponse: "indexedDB-quota-response",
-  _quotaCancel: "indexedDB-quota-cancel",
-
-  _notificationIcon: "indexedDB-notification-icon",
-
-  init:
-  function IndexedDBPromptHelper_init() {
-    Services.obs.addObserver(this, this._permissionsPrompt, false);
-    Services.obs.addObserver(this, this._quotaPrompt, false);
-    Services.obs.addObserver(this, this._quotaCancel, false);
-  },
-
-  uninit:
-  function IndexedDBPromptHelper_uninit() {
-    Services.obs.removeObserver(this, this._permissionsPrompt);
-    Services.obs.removeObserver(this, this._quotaPrompt);
-    Services.obs.removeObserver(this, this._quotaCancel);
-  },
-
-  observe:
-  function IndexedDBPromptHelper_observe(subject, topic, data) {
-    if (topic != this._permissionsPrompt &&
-        topic != this._quotaPrompt &&
-        topic != this._quotaCancel) {
-      throw new Error("Unexpected topic!");
-    }
-
-    var requestor = subject.QueryInterface(Ci.nsIInterfaceRequestor);
-
-    var contentWindow = requestor.getInterface(Ci.nsIDOMWindow);
-    var contentDocument = contentWindow.document;
-    var browserWindow =
-      OfflineApps._getBrowserWindowForContentWindow(contentWindow);
-
-    if (browserWindow != window) {
-      // Must belong to some other window.
-      return;
-    }
-
-    var browser =
-      OfflineApps._getBrowserForContentWindow(browserWindow, contentWindow);
-
-    var host = contentDocument.documentURIObject.asciiHost;
-
-    var message;
-    var responseTopic;
-    if (topic == this._permissionsPrompt) {
-      message = gNavigatorBundle.getFormattedString("offlineApps.available",
-                                                    [ host ]);
-      responseTopic = this._permissionsResponse;
-    }
-    else if (topic == this._quotaPrompt) {
-      message = gNavigatorBundle.getFormattedString("indexedDB.usage",
-                                                    [ host, data ]);
-      responseTopic = this._quotaResponse;
-    }
-    else if (topic == this._quotaCancel) {
-      responseTopic = this._quotaResponse;
-    }
-
-    const hiddenTimeoutDuration = 30000; // 30 seconds
-    const firstTimeoutDuration = 300000; // 5 minutes
-
-    var timeoutId;
-
-    var observer = requestor.getInterface(Ci.nsIObserver);
-
-    var mainAction = {
-      label: gNavigatorBundle.getString("offlineApps.allow"),
-      accessKey: gNavigatorBundle.getString("offlineApps.allowAccessKey"),
-      callback: function() {
-        clearTimeout(timeoutId);
-        observer.observe(null, responseTopic,
-                         Ci.nsIPermissionManager.ALLOW_ACTION);
-      }
-    };
-
-    var secondaryActions = [
-      {
-        label: gNavigatorBundle.getString("offlineApps.never"),
-        accessKey: gNavigatorBundle.getString("offlineApps.neverAccessKey"),
-        callback: function() {
-          clearTimeout(timeoutId);
-          observer.observe(null, responseTopic,
-                           Ci.nsIPermissionManager.DENY_ACTION);
-        }
-      }
-    ];
-
-    // This will be set to the result of PopupNotifications.show() below, or to
-    // the result of PopupNotifications.getNotification() if this is a
-    // quotaCancel notification.
-    var notification;
-
-    function timeoutNotification() {
-      // Remove the notification.
-      if (notification) {
-        notification.remove();
-      }
-
-      // Clear all of our timeout stuff. We may be called directly, not just
-      // when the timeout actually elapses.
-      clearTimeout(timeoutId);
-
-      // And tell the page that the popup timed out.
-      observer.observe(null, responseTopic,
-                       Ci.nsIPermissionManager.UNKNOWN_ACTION);
-    }
-
-    var options = {
-      eventCallback: function(state) {
-        // Don't do anything if the timeout has not been set yet.
-        if (!timeoutId) {
-          return;
-        }
-
-        // If the popup is being dismissed start the short timeout.
-        if (state == "dismissed") {
-          clearTimeout(timeoutId);
-          timeoutId = setTimeout(timeoutNotification, hiddenTimeoutDuration);
-          return;
-        }
-
-        // If the popup is being re-shown then clear the timeout allowing
-        // unlimited waiting.
-        if (state == "shown") {
-          clearTimeout(timeoutId);
-        }
-      }
-    };
-
-    if (topic == this._quotaCancel) {
-      notification = PopupNotifications.getNotification(this._quotaPrompt,
-                                                        browser);
-      timeoutNotification();
-      return;
-    }
-
-    notification = PopupNotifications.show(browser, topic, message,
-                                           this._notificationIcon, mainAction,
-                                           secondaryActions, options);
-
-    // Set the timeoutId after the popup has been created, and use the long
-    // timeout value. If the user doesn't notice the popup after this amount of
-    // time then it is most likely not visible and we want to alert the page.
-    timeoutId = setTimeout(timeoutNotification, firstTimeoutDuration);
-  }
-};
-
-function WindowIsClosing()
-{
-  let event = document.createEvent("Events");
-  event.initEvent("WindowIsClosing", true, true);
-  if (!window.dispatchEvent(event))
-    return false;
-
-  if (!closeWindow(false, warnAboutClosingWindow))
-    return false;
-
-  for (let browser of gBrowser.browsers) {
-    let ds = browser.docShell;
-    if (ds.contentViewer && !ds.contentViewer.permitUnload())
-      return false;
-  }
-
-  return true;
-}
-
-/**
- * Checks if this is the last full *browser* window around. If it is, this will
- * be communicated like quitting. Otherwise, we warn about closing multiple tabs.
- * @returns true if closing can proceed, false if it got cancelled.
- */
-function warnAboutClosingWindow() {
-  // Popups aren't considered full browser windows.
-  let isPBWindow = PrivateBrowsingUtils.isWindowPrivate(window);
-  if (!isPBWindow && !toolbar.visible)
-    return gBrowser.warnAboutClosingTabs(gBrowser.closingTabsEnum.ALL);
-
-  // Figure out if there's at least one other browser window around.
-  let e = Services.wm.getEnumerator("navigator:browser");
-  let otherPBWindowExists = false;
-  let nonPopupPresent = false;
-  while (e.hasMoreElements()) {
-    let win = e.getNext();
-    if (win != window) {
-      if (isPBWindow && PrivateBrowsingUtils.isWindowPrivate(win))
-        otherPBWindowExists = true;
-      if (win.toolbar.visible)
-        nonPopupPresent = true;
-      // If the current window is not in private browsing mode we don't need to 
-      // look for other pb windows, we can leave the loop when finding the 
-      // first non-popup window. If however the current window is in private 
-      // browsing mode then we need at least one other pb and one non-popup 
-      // window to break out early.
-      if ((!isPBWindow || otherPBWindowExists) && nonPopupPresent)
-        break;
-    }
-  }
-
-  if (isPBWindow && !otherPBWindowExists) {
-    let exitingCanceled = Cc["@mozilla.org/supports-PRBool;1"].
-                          createInstance(Ci.nsISupportsPRBool);
-    exitingCanceled.data = false;
-    Services.obs.notifyObservers(exitingCanceled,
-                                 "last-pb-context-exiting",
-                                 null);
-    if (exitingCanceled.data)
-      return false;
-  }
-
-  if (nonPopupPresent) {
-    return isPBWindow || gBrowser.warnAboutClosingTabs(gBrowser.closingTabsEnum.ALL);
-  }
-
-  let os = Services.obs;
-
-  let closingCanceled = Cc["@mozilla.org/supports-PRBool;1"].
-                        createInstance(Ci.nsISupportsPRBool);
-  os.notifyObservers(closingCanceled,
-                     "browser-lastwindow-close-requested", null);
-  if (closingCanceled.data)
-    return false;
-
-  os.notifyObservers(null, "browser-lastwindow-close-granted", null);
-
-#ifdef XP_MACOSX
-  // OS X doesn't quit the application when the last window is closed, but keeps
-  // the session alive. Hence don't prompt users to save tabs, but warn about
-  // closing multiple tabs.
-  return isPBWindow || gBrowser.warnAboutClosingTabs(gBrowser.closingTabsEnum.ALL);
-#else
-  return true;
-#endif
-}
-
-var MailIntegration = {
-  sendLinkForWindow: function (aWindow) {
-    this.sendMessage(aWindow.location.href,
-                     aWindow.document.title);
-  },
-
-  sendMessage: function (aBody, aSubject) {
-    // generate a mailto url based on the url and the url's title
-    var mailtoUrl = "mailto:";
-    if (aBody) {
-      mailtoUrl += "?body=" + encodeURIComponent(aBody);
-      mailtoUrl += "&subject=" + encodeURIComponent(aSubject);
-    }
-
-    var uri = makeURI(mailtoUrl);
-
-    // now pass this uri to the operating system
-    this._launchExternalUrl(uri);
-  },
-
-  // a generic method which can be used to pass arbitrary urls to the operating
-  // system.
-  // aURL --> a nsIURI which represents the url to launch
-  _launchExternalUrl: function (aURL) {
-    var extProtocolSvc =
-       Cc["@mozilla.org/uriloader/external-protocol-service;1"]
-         .getService(Ci.nsIExternalProtocolService);
-    if (extProtocolSvc)
-      extProtocolSvc.loadUrl(aURL);
-  }
-};
-
-function BrowserOpenAddonsMgr(aView) {
-  if (aView) {
-    let emWindow;
-    let browserWindow;
-
-    var receivePong = function receivePong(aSubject, aTopic, aData) {
-      let browserWin = aSubject.QueryInterface(Ci.nsIInterfaceRequestor)
-                               .getInterface(Ci.nsIWebNavigation)
-                               .QueryInterface(Ci.nsIDocShellTreeItem)
-                               .rootTreeItem
-                               .QueryInterface(Ci.nsIInterfaceRequestor)
-                               .getInterface(Ci.nsIDOMWindow);
-      if (!emWindow || browserWin == window /* favor the current window */) {
-        emWindow = aSubject;
-        browserWindow = browserWin;
-      }
-    }
-    Services.obs.addObserver(receivePong, "EM-pong", false);
-    Services.obs.notifyObservers(null, "EM-ping", "");
-    Services.obs.removeObserver(receivePong, "EM-pong");
-
-    if (emWindow) {
-      emWindow.loadView(aView);
-      browserWindow.gBrowser.selectedTab =
-        browserWindow.gBrowser._getTabForContentWindow(emWindow);
-      emWindow.focus();
-      return;
-    }
-  }
-
-  var newLoad = !switchToTabHavingURI("about:addons", true);
-
-  if (aView) {
-    // This must be a new load, else the ping/pong would have
-    // found the window above.
-    Services.obs.addObserver(function observer(aSubject, aTopic, aData) {
-      Services.obs.removeObserver(observer, aTopic);
-      aSubject.loadView(aView);
-    }, "EM-loaded", false);
-  }
-}
-
-function BrowserOpenPermissionsMgr() {
-  switchToTabHavingURI("about:permissions", true);
-}
-
-function AddKeywordForSearchField() {
-  var node = document.popupNode;
-
-  var charset = node.ownerDocument.characterSet;
-
-  var docURI = makeURI(node.ownerDocument.URL,
-                       charset);
-
-  var formURI = makeURI(node.form.getAttribute("action"),
-                        charset,
-                        docURI);
-
-  var spec = formURI.spec;
-
-  var isURLEncoded =
-               (node.form.method.toUpperCase() == "POST"
-                && (node.form.enctype == "application/x-www-form-urlencoded" ||
-                    node.form.enctype == ""));
-
-  var title = gNavigatorBundle.getFormattedString("addKeywordTitleAutoFill",
-                                                  [node.ownerDocument.title]);
-  var description = PlacesUIUtils.getDescriptionFromDocument(node.ownerDocument);
-
-  var formData = [];
-
-  function escapeNameValuePair(aName, aValue, aIsFormUrlEncoded) {
-    if (aIsFormUrlEncoded)
-      return escape(aName + "=" + aValue);
-    else
-      return escape(aName) + "=" + escape(aValue);
-  }
-
-  for (let el of node.form.elements) {
-    if (!el.type) // happens with fieldsets
-      continue;
-
-    if (el == node) {
-      formData.push((isURLEncoded) ? escapeNameValuePair(el.name, "%s", true) :
-                                     // Don't escape "%s", just append
-                                     escapeNameValuePair(el.name, "", false) + "%s");
-      continue;
-    }
-
-    let type = el.type.toLowerCase();
-
-    if (((el instanceof HTMLInputElement && el.mozIsTextField(true)) ||
-        type == "hidden" || type == "textarea") ||
-        ((type == "checkbox" || type == "radio") && el.checked)) {
-      formData.push(escapeNameValuePair(el.name, el.value, isURLEncoded));
-    } else if (el instanceof HTMLSelectElement && el.selectedIndex >= 0) {
-      for (var j=0; j < el.options.length; j++) {
-        if (el.options[j].selected)
-          formData.push(escapeNameValuePair(el.name, el.options[j].value,
-                                            isURLEncoded));
-      }
-    }
-  }
-
-  var postData;
-
-  if (isURLEncoded)
-    postData = formData.join("&");
-  else
-    spec += "?" + formData.join("&");
-
-  PlacesUIUtils.showBookmarkDialog({ action: "add"
-                                   , type: "bookmark"
-                                   , uri: makeURI(spec)
-                                   , title: title
-                                   , description: description
-                                   , keyword: ""
-                                   , postData: postData
-                                   , charSet: charset
-                                   , hiddenRows: [ "location"
-                                                 , "description"
-                                                 , "tags"
-                                                 , "loadInSidebar" ]
-                                   }, window);
-}
-
-function SwitchDocumentDirection(aWindow) {
-  // document.dir can also be "auto", in which case it won't change
-  if (aWindow.document.dir == "ltr" || aWindow.document.dir == "") {
-    aWindow.document.dir = "rtl";
-  } else if (aWindow.document.dir == "rtl") {
-    aWindow.document.dir = "ltr";
-  }
-  for (var run = 0; run < aWindow.frames.length; run++)
-    SwitchDocumentDirection(aWindow.frames[run]);
-}
-
-function convertFromUnicode(charset, str)
-{
-  try {
-    var unicodeConverter = Components
-       .classes["@mozilla.org/intl/scriptableunicodeconverter"]
-       .createInstance(Components.interfaces.nsIScriptableUnicodeConverter);
-    unicodeConverter.charset = charset;
-    str = unicodeConverter.ConvertFromUnicode(str);
-    return str + unicodeConverter.Finish();
-  } catch(ex) {
-    return null;
-  }
-}
-
-/**
- * Re-open a closed tab.
- * @param aIndex
- *        The index of the tab (via nsSessionStore.getClosedTabData)
- * @returns a reference to the reopened tab.
- */
-function undoCloseTab(aIndex) {
-  // wallpaper patch to prevent an unnecessary blank tab (bug 343895)
-  var blankTabToRemove = null;
-  if (gBrowser.tabs.length == 1 &&
-      !gPrefService.getBoolPref("browser.tabs.autoHide") &&
-      isTabEmpty(gBrowser.selectedTab)) 
-    blankTabToRemove = gBrowser.selectedTab;
-
-  var tab = null;
-  var ss = Cc["@mozilla.org/browser/sessionstore;1"].
-           getService(Ci.nsISessionStore);
-  if (ss.getClosedTabCount(window) > (aIndex || 0)) {
-    tab = ss.undoCloseTab(window, aIndex || 0);
-
-    if (blankTabToRemove)
-      gBrowser.removeTab(blankTabToRemove);
-  }
-
-  return tab;
-}
-
-/**
- * Re-open a closed window.
- * @param aIndex
- *        The index of the window (via nsSessionStore.getClosedWindowData)
- * @returns a reference to the reopened window.
- */
-function undoCloseWindow(aIndex) {
-  let ss = Cc["@mozilla.org/browser/sessionstore;1"].
-           getService(Ci.nsISessionStore);
-  let window = null;
-  if (ss.getClosedWindowCount() > (aIndex || 0))
-    window = ss.undoCloseWindow(aIndex || 0);
-
-  return window;
-}
-
-/*
- * Determines if a tab is "empty", usually used in the context of determining
- * if it's ok to close the tab.
- */
-function isTabEmpty(aTab) {
-  if (aTab.hasAttribute("busy"))
-    return false;
-
-  let browser = aTab.linkedBrowser;
-  if (!isBlankPageURL(browser.currentURI.spec))
-    return false;
-
-  // Bug 863515 - Make content.opener checks work in electrolysis.
-  if (!gMultiProcessBrowser && browser.contentWindow.opener)
-    return false;
-
-  if (browser.sessionHistory && browser.sessionHistory.count >= 2)
-    return false;
-
-  return true;
-}
-
-#ifdef MOZ_SERVICES_SYNC
-function BrowserOpenSyncTabs() {
-  switchToTabHavingURI("about:sync-tabs", true);
-}
-#endif
-
-/**
- * Format a URL
- * eg:
- * echo formatURL("https://addons.mozilla.org/%LOCALE%/%APP%/%VERSION%/");
- * > https://addons.mozilla.org/en-US/firefox/3.0a1/
- *
- * Currently supported built-ins are LOCALE, APP, and any value from nsIXULAppInfo, uppercased.
- */
-function formatURL(aFormat, aIsPref) {
-  var formatter = Cc["@mozilla.org/toolkit/URLFormatterService;1"].getService(Ci.nsIURLFormatter);
-  return aIsPref ? formatter.formatURLPref(aFormat) : formatter.formatURL(aFormat);
-}
-
-/**
- * Utility object to handle manipulations of the identity indicators in the UI
- */
-var gIdentityHandler = {
-  // Mode strings used to control CSS display
-  IDENTITY_MODE_IDENTIFIED       : "verifiedIdentity", // High-quality identity information
-  IDENTITY_MODE_DOMAIN_VERIFIED  : "verifiedDomain",   // Minimal SSL CA-signed domain verification
-  IDENTITY_MODE_UNKNOWN          : "unknownIdentity",  // No trusted identity information
-  IDENTITY_MODE_MIXED_CONTENT    : "unknownIdentity mixedContent",  // SSL with unauthenticated content
-  IDENTITY_MODE_MIXED_ACTIVE_CONTENT    : "unknownIdentity mixedContent mixedActiveContent",  // SSL with unauthenticated content
-  IDENTITY_MODE_CHROMEUI         : "chromeUI",         // Part of the product's UI
-
-  // Cache the most recent SSLStatus and Location seen in checkIdentity
-  _lastStatus : null,
-  _lastLocation : null,
-  _mode : "unknownIdentity",
-
-  // smart getters
-  get _encryptionLabel () {
-    delete this._encryptionLabel;
-    this._encryptionLabel = {};
-    this._encryptionLabel[this.IDENTITY_MODE_DOMAIN_VERIFIED] =
-      gNavigatorBundle.getString("identity.encrypted");
-    this._encryptionLabel[this.IDENTITY_MODE_IDENTIFIED] =
-      gNavigatorBundle.getString("identity.encrypted");
-    this._encryptionLabel[this.IDENTITY_MODE_UNKNOWN] =
-      gNavigatorBundle.getString("identity.unencrypted");
-    this._encryptionLabel[this.IDENTITY_MODE_MIXED_CONTENT] =
-      gNavigatorBundle.getString("identity.mixed_content");
-    this._encryptionLabel[this.IDENTITY_MODE_MIXED_ACTIVE_CONTENT] =
-      gNavigatorBundle.getString("identity.mixed_content");
-    return this._encryptionLabel;
-  },
-  get _identityPopup () {
-    delete this._identityPopup;
-    return this._identityPopup = document.getElementById("identity-popup");
-  },
-  get _identityBox () {
-    delete this._identityBox;
-    return this._identityBox = document.getElementById("identity-box");
-  },
-  get _identityPopupContentBox () {
-    delete this._identityPopupContentBox;
-    return this._identityPopupContentBox =
-      document.getElementById("identity-popup-content-box");
-  },
-  get _identityPopupContentHost () {
-    delete this._identityPopupContentHost;
-    return this._identityPopupContentHost =
-      document.getElementById("identity-popup-content-host");
-  },
-  get _identityPopupContentOwner () {
-    delete this._identityPopupContentOwner;
-    return this._identityPopupContentOwner =
-      document.getElementById("identity-popup-content-owner");
-  },
-  get _identityPopupContentSupp () {
-    delete this._identityPopupContentSupp;
-    return this._identityPopupContentSupp =
-      document.getElementById("identity-popup-content-supplemental");
-  },
-  get _identityPopupContentVerif () {
-    delete this._identityPopupContentVerif;
-    return this._identityPopupContentVerif =
-      document.getElementById("identity-popup-content-verifier");
-  },
-  get _identityPopupEncLabel () {
-    delete this._identityPopupEncLabel;
-    return this._identityPopupEncLabel =
-      document.getElementById("identity-popup-encryption-label");
-  },
-  get _identityIconLabel () {
-    delete this._identityIconLabel;
-    return this._identityIconLabel = document.getElementById("identity-icon-label");
-  },
-  get _overrideService () {
-    delete this._overrideService;
-    return this._overrideService = Cc["@mozilla.org/security/certoverride;1"]
-                                     .getService(Ci.nsICertOverrideService);
-  },
-  get _identityIconCountryLabel () {
-    delete this._identityIconCountryLabel;
-    return this._identityIconCountryLabel = document.getElementById("identity-icon-country-label");
-  },
-  get _identityIcon () {
-    delete this._identityIcon;
-    return this._identityIcon = document.getElementById("page-proxy-favicon");
-  },
-
-  /**
-   * Rebuild cache of the elements that may or may not exist depending
-   * on whether there's a location bar.
-   */
-  _cacheElements : function() {
-    delete this._identityBox;
-    delete this._identityIconLabel;
-    delete this._identityIconCountryLabel;
-    delete this._identityIcon;
-    this._identityBox = document.getElementById("identity-box");
-    this._identityIconLabel = document.getElementById("identity-icon-label");
-    this._identityIconCountryLabel = document.getElementById("identity-icon-country-label");
-    this._identityIcon = document.getElementById("page-proxy-favicon");
-  },
-
-  /**
-   * Handler for mouseclicks on the "More Information" button in the
-   * "identity-popup" panel.
-   */
-  handleMoreInfoClick : function(event) {
-    displaySecurityInfo();
-    event.stopPropagation();
-  },
-
-  /**
-   * Helper to parse out the important parts of _lastStatus (of the SSL cert in
-   * particular) for use in constructing identity UI strings
-  */
-  getIdentityData : function() {
-    var result = {};
-    var status = this._lastStatus.QueryInterface(Components.interfaces.nsISSLStatus);
-    var cert = status.serverCert;
-
-    // Human readable name of Subject
-    result.subjectOrg = cert.organization;
-
-    // SubjectName fields, broken up for individual access
-    if (cert.subjectName) {
-      result.subjectNameFields = {};
-      cert.subjectName.split(",").forEach(function(v) {
-        var field = v.split("=");
-        this[field[0]] = field[1];
-      }, result.subjectNameFields);
-
-      // Call out city, state, and country specifically
-      result.city = result.subjectNameFields.L;
-      result.state = result.subjectNameFields.ST;
-      result.country = result.subjectNameFields.C;
-    }
-
-    // Human readable name of Certificate Authority
-    result.caOrg =  cert.issuerOrganization || cert.issuerCommonName;
-    result.cert = cert;
-
-    return result;
-  },
-
-  /**
-   * Determine the identity of the page being displayed by examining its SSL cert
-   * (if available) and, if necessary, update the UI to reflect this.  Intended to
-   * be called by onSecurityChange
-   *
-   * @param PRUint32 state
-   * @param JS Object location that mirrors an nsLocation (i.e. has .host and
-   *                           .hostname and .port)
-   */
-  checkIdentity : function(state, location) {
-    var currentStatus = gBrowser.securityUI
-                                .QueryInterface(Components.interfaces.nsISSLStatusProvider)
-                                .SSLStatus;
-    this._lastStatus = currentStatus;
-    this._lastLocation = location;
-
-    let nsIWebProgressListener = Ci.nsIWebProgressListener;
-    if (location.protocol == "chrome:" || location.protocol == "about:") {
-      this.setMode(this.IDENTITY_MODE_CHROMEUI);
-    } else if (state & nsIWebProgressListener.STATE_IDENTITY_EV_TOPLEVEL) {
-      this.setMode(this.IDENTITY_MODE_IDENTIFIED);
-    } else if (state & nsIWebProgressListener.STATE_IS_SECURE) {
-      this.setMode(this.IDENTITY_MODE_DOMAIN_VERIFIED);
-    } else if (state & nsIWebProgressListener.STATE_IS_BROKEN) {
-      if ((state & nsIWebProgressListener.STATE_LOADED_MIXED_ACTIVE_CONTENT) &&
-          gPrefService.getBoolPref("security.mixed_content.block_active_content")) {
-        this.setMode(this.IDENTITY_MODE_MIXED_ACTIVE_CONTENT);
-      } else {
-        this.setMode(this.IDENTITY_MODE_MIXED_CONTENT);
-      }
-    } else {
-      this.setMode(this.IDENTITY_MODE_UNKNOWN);
-    }
-
-    // Ensure the doorhanger is shown when mixed active content is blocked.
-    if (state & nsIWebProgressListener.STATE_BLOCKED_MIXED_ACTIVE_CONTENT)
-      this.showMixedContentDoorhanger();
-  },
-
-  /**
-   * Display the Mixed Content Blocker doohanger, providing an option
-   * to the user to override mixed content blocking
-   */
-  showMixedContentDoorhanger : function() {
-    // If we've already got an active notification, bail out to avoid showing it repeatedly.
-    if (PopupNotifications.getNotification("mixed-content-blocked", gBrowser.selectedBrowser))
-      return;
-
-    let brandBundle = document.getElementById("bundle_brand");
-    let brandShortName = brandBundle.getString("brandShortName");
-    let messageString = gNavigatorBundle.getFormattedString("mixedContentBlocked.message", [brandShortName]);
-    let action = {
-      label: gNavigatorBundle.getString("mixedContentBlocked.keepBlockingButton.label"),
-      accessKey: gNavigatorBundle.getString("mixedContentBlocked.keepBlockingButton.accesskey"),
-      callback: function() { /* NOP */ }
-    };
-    let secondaryActions = [
-      {
-        label: gNavigatorBundle.getString("mixedContentBlocked.unblock.label"),
-        accessKey: gNavigatorBundle.getString("mixedContentBlocked.unblock.accesskey"),
-        callback: function() {
-          // Reload the page with the content unblocked
-          BrowserReloadWithFlags(nsIWebNavigation.LOAD_FLAGS_ALLOW_MIXED_CONTENT);
-        }
-      }
-    ];
-    let options = {
-      dismissed: true,
-      learnMoreURL: Services.urlFormatter.formatURLPref("browser.mixedcontent.warning.infoURL"),
-    };
-    PopupNotifications.show(gBrowser.selectedBrowser, "mixed-content-blocked",
-                            messageString, "mixed-content-blocked-notification-icon",
-                            action, secondaryActions, options);
-  },
-
-  /**
-   * Return the eTLD+1 version of the current hostname
-   */
-  getEffectiveHost : function() {
-    try {
-      let baseDomain =
-        Services.eTLD.getBaseDomainFromHost(this._lastLocation.hostname);
-      return this._IDNService.convertToDisplayIDN(baseDomain, {});
-    } catch (e) {
-      // If something goes wrong (e.g. hostname is an IP address) just fail back
-      // to the full domain.
-      return this._lastLocation.hostname;
-    }
-  },
-
-  /**
-   * Update the UI to reflect the specified mode, which should be one of the
-   * IDENTITY_MODE_* constants.
-   */
-  setMode : function(newMode) {
-    if (!this._identityBox) {
-      // No identity box means the identity box is not visible, in which
-      // case there's nothing to do.
-      return;
-    }
-
-    this._identityBox.className = newMode;
-    this.setIdentityMessages(newMode);
-
-    // Update the popup too, if it's open
-    if (this._identityPopup.state == "open")
-      this.setPopupMessages(newMode);
-
-    this._mode = newMode;
-  },
-
-  /**
-   * Set up the messages for the primary identity UI based on the specified mode,
-   * and the details of the SSL cert, where applicable
-   *
-   * @param newMode The newly set identity mode.  Should be one of the IDENTITY_MODE_* constants.
-   */
-  setIdentityMessages : function(newMode) {
-    let icon_label = "";
-    let tooltip = "";
-    let icon_country_label = "";
-    let icon_labels_dir = "ltr";
-
-    if (!this._IDNService)
-      this._IDNService = Cc["@mozilla.org/network/idn-service;1"]
-                         .getService(Ci.nsIIDNService);
-    let punyID = gPrefService.getIntPref("browser.identity.display_punycode", 1);
-
-    switch (newMode) {
-    case this.IDENTITY_MODE_DOMAIN_VERIFIED: {
-      let iData = this.getIdentityData();
-      
-      let label_display = "";
-
-      //Pale Moon: honor browser.identity.ssl_domain_display!
-      switch (gPrefService.getIntPref("browser.identity.ssl_domain_display")) {
-        case 2 : // Show full domain
-          label_display = this._lastLocation.hostname;
-          break;
-        case 1 : // Show eTLD.
-          label_display = this.getEffectiveHost();
-      }
-
-      if (punyID >= 1) {
-        // Display punycode version in identity panel
-        icon_label = this._IDNService.convertUTF8toACE(label_display);
-      } else {
-        icon_label = label_display;
-      }
-
-      // Verifier is either the CA Org, for a normal cert, or a special string
-      // for certs that are trusted because of a security exception.
-      tooltip = gNavigatorBundle.getFormattedString("identity.identified.verifier",
-                                                    [iData.caOrg]);
-
-      // Check whether this site is a security exception. XPConnect does the right
-      // thing here in terms of converting _lastLocation.port from string to int, but
-      // the overrideService doesn't like undefined ports, so make sure we have
-      // something in the default case (bug 432241).
-      // .hostname can return an empty string in some exceptional cases -
-      // hasMatchingOverride does not handle that, so avoid calling it.
-      // Updating the tooltip value in those cases isn't critical.
-      // FIXME: Fixing bug 646690 would probably makes this check unnecessary
-      if (this._lastLocation.hostname &&
-          this._overrideService.hasMatchingOverride(this._lastLocation.hostname,
-                                                    (this._lastLocation.port || 443),
-                                                    iData.cert, {}, {}))
-        tooltip = gNavigatorBundle.getString("identity.identified.verified_by_you");
-      break; }
-    case this.IDENTITY_MODE_IDENTIFIED: {
-      // If it's identified, then we can populate the dialog with credentials
-      let iData = this.getIdentityData();
-      tooltip = gNavigatorBundle.getFormattedString("identity.identified.verifier",
-                                                    [iData.caOrg]);
-      icon_label = iData.subjectOrg;
-      if (iData.country)
-        icon_country_label = "(" + iData.country + ")";
-
-      // If the organization name starts with an RTL character, then
-      // swap the positions of the organization and country code labels.
-      // The Unicode ranges reflect the definition of the UCS2_CHAR_IS_BIDI
-      // macro in intl/unicharutil/util/nsBidiUtils.h. When bug 218823 gets
-      // fixed, this test should be replaced by one adhering to the
-      // Unicode Bidirectional Algorithm proper (at the paragraph level).
-      icon_labels_dir = /^[\u0590-\u08ff\ufb1d-\ufdff\ufe70-\ufefc]/.test(icon_label) ?
-                        "rtl" : "ltr";
-      break; }
-    case this.IDENTITY_MODE_CHROMEUI:
-      break;
-    default:
-      tooltip = gNavigatorBundle.getString("identity.unknown.tooltip");
-      if (punyID == 2) {
-        // Check for IDN and display if so...
-        let rawHost = this._IDNService.convertUTF8toACE(this._lastLocation.hostname);
-        if (this._IDNService.isACE(rawHost)) {
-          icon_label = rawHost;
-        }
-      }
-    }
-
-    // Push the appropriate strings out to the UI
-    this._identityBox.tooltipText = tooltip;
-    this._identityIconLabel.value = icon_label;
-    this._identityIconCountryLabel.value = icon_country_label;
-    // Set cropping and direction
-    this._identityIconLabel.crop = icon_country_label ? "end" : "center";
-    this._identityIconLabel.parentNode.style.direction = icon_labels_dir;
-    // Hide completely if the organization label is empty
-    this._identityIconLabel.parentNode.collapsed = icon_label ? false : true;
-  },
-
-  /**
-   * Set up the title and content messages for the identity message popup,
-   * based on the specified mode, and the details of the SSL cert, where
-   * applicable
-   *
-   * @param newMode The newly set identity mode.  Should be one of the IDENTITY_MODE_* constants.
-   */
-  setPopupMessages : function(newMode) {
-
-    this._identityPopup.className = newMode;
-    this._identityPopupContentBox.className = newMode;
-
-    // Set the static strings up front
-    this._identityPopupEncLabel.textContent = this._encryptionLabel[newMode];
-
-    // Initialize the optional strings to empty values
-    let supplemental = "";
-    let verifier = "";
-    let host = "";
-    let owner = "";
-
-    switch (newMode) {
-    case this.IDENTITY_MODE_DOMAIN_VERIFIED:
-      host = this.getEffectiveHost();
-      owner = gNavigatorBundle.getString("identity.ownerUnknown2");
-      verifier = this._identityBox.tooltipText;
-      break;
-    case this.IDENTITY_MODE_IDENTIFIED: {
-      // If it's identified, then we can populate the dialog with credentials
-      let iData = this.getIdentityData();
-      host = this.getEffectiveHost();
-      owner = iData.subjectOrg;
-      verifier = this._identityBox.tooltipText;
-
-      // Build an appropriate supplemental block out of whatever location data we have
-      if (iData.city)
-        supplemental += iData.city + "\n";
-      if (iData.state && iData.country)
-        supplemental += gNavigatorBundle.getFormattedString("identity.identified.state_and_country",
-                                                            [iData.state, iData.country]);
-      else if (iData.state) // State only
-        supplemental += iData.state;
-      else if (iData.country) // Country only
-        supplemental += iData.country;
-      break; }
-    }
-
-    // Push the appropriate strings out to the UI
-    this._identityPopupContentHost.textContent = host;
-    this._identityPopupContentOwner.textContent = owner;
-    this._identityPopupContentSupp.textContent = supplemental;
-    this._identityPopupContentVerif.textContent = verifier;
-  },
-
-  hideIdentityPopup : function() {
-    this._identityPopup.hidePopup();
-  },
-
-  /**
-   * Click handler for the identity-box element in primary chrome.
-   */
-  handleIdentityButtonEvent : function(event) {
-    event.stopPropagation();
-
-    if ((event.type == "click" && event.button != 0) ||
-        (event.type == "keypress" && event.charCode != KeyEvent.DOM_VK_SPACE &&
-         event.keyCode != KeyEvent.DOM_VK_RETURN)) {
-      return; // Left click, space or enter only
-    }
-
-    // Don't allow left click, space or enter if the location
-    // is chrome UI or the location has been modified.
-    if (this._mode == this.IDENTITY_MODE_CHROMEUI ||
-        gURLBar.getAttribute("pageproxystate") != "valid") {
-      return;
-    }
-
-    // Make sure that the display:none style we set in xul is removed now that
-    // the popup is actually needed
-    this._identityPopup.hidden = false;
-
-    // Update the popup strings
-    this.setPopupMessages(this._identityBox.className);
-
-    // Add the "open" attribute to the identity box for styling
-    this._identityBox.setAttribute("open", "true");
-    var self = this;
-    this._identityPopup.addEventListener("popuphidden", function onPopupHidden(e) {
-      e.currentTarget.removeEventListener("popuphidden", onPopupHidden, false);
-      self._identityBox.removeAttribute("open");
-    }, false);
-
-    // Now open the popup, anchored off the primary chrome element
-    this._identityPopup.openPopup(this._identityIcon, "bottomcenter topleft");
-  },
-
-  onPopupShown : function(event) {
-    document.getElementById('identity-popup-more-info-button').focus();
-  },
-
-  onDragStart: function (event) {
-    if (gURLBar.getAttribute("pageproxystate") != "valid")
-      return;
-
-    var value = content.location.href;
-    var urlString = value + "\n" + content.document.title;
-    var htmlString = "<a href=\"" + value + "\">" + value + "</a>";
-
-    var dt = event.dataTransfer;
-    dt.setData("text/x-moz-url", urlString);
-    dt.setData("text/uri-list", value);
-    dt.setData("text/plain", value);
-    dt.setData("text/html", htmlString);
-    dt.setDragImage(gProxyFavIcon, 16, 16);
-  }
-};
-
-function getNotificationBox(aWindow) {
-  var foundBrowser = gBrowser.getBrowserForDocument(aWindow.document);
-  if (foundBrowser)
-    return gBrowser.getNotificationBox(foundBrowser)
-  return null;
-};
-
-function getTabModalPromptBox(aWindow) {
-  var foundBrowser = gBrowser.getBrowserForDocument(aWindow.document);
-  if (foundBrowser)
-    return gBrowser.getTabModalPromptBox(foundBrowser);
-  return null;
-};
-
-/* DEPRECATED */
-function getBrowser() gBrowser;
-function getNavToolbox() gNavToolbox;
-
-var gPrivateBrowsingUI = {
-  init: function PBUI_init() {
-    // Do nothing for normal windows
-    if (!PrivateBrowsingUtils.isWindowPrivate(window)) {
-      return;
-    }
-
-    // Disable the Clear Recent History... menu item when in PB mode
-    // temporary fix until bug 463607 is fixed
-    document.getElementById("Tools:Sanitize").setAttribute("disabled", "true");
-
-    if (window.location.href == getBrowserURL()) {
-#ifdef XP_MACOSX
-      if (!PrivateBrowsingUtils.permanentPrivateBrowsing) {
-        document.documentElement.setAttribute("drawintitlebar", true);
-      }
-#endif
-
-      // Adjust the window's title
-      let docElement = document.documentElement;
-      if (!PrivateBrowsingUtils.permanentPrivateBrowsing) {
-        docElement.setAttribute("title",
-          docElement.getAttribute("title_privatebrowsing"));
-        docElement.setAttribute("titlemodifier",
-          docElement.getAttribute("titlemodifier_privatebrowsing"));
-      }
-      docElement.setAttribute("privatebrowsingmode",
-        PrivateBrowsingUtils.permanentPrivateBrowsing ? "permanent" : "temporary");
-      gBrowser.updateTitlebar();
-
-      if (PrivateBrowsingUtils.permanentPrivateBrowsing) {
-        // Adjust the New Window menu entries
-        [
-          { normal: "menu_newNavigator", private: "menu_newPrivateWindow" },
-          { normal: "appmenu_newNavigator", private: "appmenu_newPrivateWindow" },
-        ].forEach(function(menu) {
-          let newWindow = document.getElementById(menu.normal);
-          let newPrivateWindow = document.getElementById(menu.private);
-          if (newWindow && newPrivateWindow) {
-            newPrivateWindow.hidden = true;
-            newWindow.label = newPrivateWindow.label;
-            newWindow.accessKey = newPrivateWindow.accessKey;
-            newWindow.command = newPrivateWindow.command;
-          }
-        });
-      }
-    }
-
-    if (gURLBar &&
-        !PrivateBrowsingUtils.permanentPrivateBrowsing) {
-      // Disable switch to tab autocompletion for private windows 
-      // (not for "Always use private browsing" mode)
-      gURLBar.setAttribute("autocompletesearchparam", "");
-    }
-  }
-};
-
-
-/**
- * Switch to a tab that has a given URI, and focusses its browser window.
- * If a matching tab is in this window, it will be switched to. Otherwise, other
- * windows will be searched.
- *
- * @param aURI
- *        URI to search for
- * @param aOpenNew
- *        True to open a new tab and switch to it, if no existing tab is found.
- *        If no suitable window is found, a new one will be opened.
- * @return True if an existing tab was found, false otherwise
- */
-function switchToTabHavingURI(aURI, aOpenNew) {
-  // This will switch to the tab in aWindow having aURI, if present.
-  function switchIfURIInWindow(aWindow) {
-    // Only switch to the tab if neither the source and desination window are
-    // private and they are not in permanent private borwsing mode
-    if ((PrivateBrowsingUtils.isWindowPrivate(window) ||
-        PrivateBrowsingUtils.isWindowPrivate(aWindow)) &&
-        !PrivateBrowsingUtils.permanentPrivateBrowsing) {
-      return false;
-    }
-
-    let browsers = aWindow.gBrowser.browsers;
-    for (let i = 0; i < browsers.length; i++) {
-      let browser = browsers[i];
-      if (browser.currentURI.equals(aURI)) {
-        // Focus the matching window & tab
-        aWindow.focus();
-        aWindow.gBrowser.tabContainer.selectedIndex = i;
-        return true;
-      }
-    }
-    return false;
-  }
-
-  // This can be passed either nsIURI or a string.
-  if (!(aURI instanceof Ci.nsIURI))
-    aURI = Services.io.newURI(aURI, null, null);
-
-  let isBrowserWindow = !!window.gBrowser;
-
-  // Prioritise this window.
-  if (isBrowserWindow && switchIfURIInWindow(window))
-    return true;
-
-  let winEnum = Services.wm.getEnumerator("navigator:browser");
-  while (winEnum.hasMoreElements()) {
-    let browserWin = winEnum.getNext();
-    // Skip closed (but not yet destroyed) windows,
-    // and the current window (which was checked earlier).
-    if (browserWin.closed || browserWin == window)
-      continue;
-    if (switchIfURIInWindow(browserWin))
-      return true;
-  }
-
-  // No opened tab has that url.
-  if (aOpenNew) {
-    if (isBrowserWindow && isTabEmpty(gBrowser.selectedTab))
-      gBrowser.selectedBrowser.loadURI(aURI.spec);
-    else
-      openUILinkIn(aURI.spec, "tab");
-  }
-
-  return false;
-}
-
-function restoreLastSession() {
-  let ss = Cc["@mozilla.org/browser/sessionstore;1"].
-           getService(Ci.nsISessionStore);
-  ss.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;
-    let disabled = gBrowser.tabs.length == 1;
-
-    // Enable the "Close Tab" menuitem when the window doesn't close with the last tab.
-    document.getElementById("context_closeTab").disabled =
-      disabled && gBrowser.tabContainer._closeWindowWithLastTab;
-
-    var menuItems = aPopupMenu.getElementsByAttribute("tbattr", "tabbrowser-multiple");
-    for (let menuItem of menuItems)
-      menuItem.disabled = disabled;
-
-    disabled = gBrowser.visibleTabs.length == 1;
-    menuItems = aPopupMenu.getElementsByAttribute("tbattr", "tabbrowser-multiple-visible");
-    for (let menuItem of menuItems)
-      menuItem.disabled = disabled;
-
-    // Session store
-    document.getElementById("context_undoCloseTab").disabled =
-      Cc["@mozilla.org/browser/sessionstore;1"].
-      getService(Ci.nsISessionStore).
-      getClosedTabCount(window) == 0;
-
-    // Only one of pin/unpin should be visible
-    document.getElementById("context_pinTab").hidden = this.contextTab.pinned;
-    document.getElementById("context_unpinTab").hidden = !this.contextTab.pinned;
-
-    // Disable "Close Tabs to the Right" if there are no tabs
-    // following it and hide it when the user rightclicked on a pinned
-    // tab.
-    document.getElementById("context_closeTabsToTheEnd").disabled =
-      gBrowser.getTabsToTheEndFrom(this.contextTab).length == 0;
-    document.getElementById("context_closeTabsToTheEnd").hidden = this.contextTab.pinned;
-
-    // Disable "Close other Tabs" if there is only one unpinned tab and
-    // hide it when the user rightclicked on a pinned tab.
-    let unpinnedTabs = gBrowser.visibleTabs.length - gBrowser._numPinnedTabs;
-    document.getElementById("context_closeOtherTabs").disabled = unpinnedTabs <= 1;
-    document.getElementById("context_closeOtherTabs").hidden = this.contextTab.pinned;
-
-    // Hide "Bookmark All Tabs" for a pinned tab.  Update its state if visible.
-    let bookmarkAllTabs = document.getElementById("context_bookmarkAllTabs");
-    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;
-    }
-  }
-};
-
-#ifdef MOZ_DEVTOOLS
-// Note: Do not delete! It is used for: base/content/nsContextMenu.js
-XPCOMUtils.defineLazyModuleGetter(this, "gDevTools",
-                                  "resource://devtools/client/framework/gDevTools.jsm");
-#endif
-
-// Prompt user to restart the browser in safe mode or normally
-function restart(safeMode)
-{
-  let promptTitleString = null;
-  let promptMessageString = null;
-  let restartTextString = null;
-  if (safeMode) {
-    promptTitleString = "safeModeRestartPromptTitle";
-    promptMessageString = "safeModeRestartPromptMessage";
-    restartTextString = "safeModeRestartButton";
-  } else {
-    promptTitleString = "restartPromptTitle";
-    promptMessageString = "restartPromptMessage";
-    restartTextString = "restartButton";
-  }
-
-  let flags = Ci.nsIAppStartup.eAttemptQuit;
-
-  // Prompt the user to confirm
-  let promptTitle = gNavigatorBundle.getString(promptTitleString);
-  let brandBundle = document.getElementById("bundle_brand");
-  let brandShortName = brandBundle.getString("brandShortName");
-  let promptMessage =
-    gNavigatorBundle.getFormattedString(promptMessageString, [brandShortName]);
-  let restartText = gNavigatorBundle.getString(restartTextString);
-  let buttonFlags = (Services.prompt.BUTTON_POS_0 *
-                     Services.prompt.BUTTON_TITLE_IS_STRING) +
-                    (Services.prompt.BUTTON_POS_1 *
-                     Services.prompt.BUTTON_TITLE_CANCEL) +
-                    Services.prompt.BUTTON_POS_0_DEFAULT;
-
-  let rv = Services.prompt.confirmEx(window, promptTitle, promptMessage,
-                                     buttonFlags, restartText, null, null,
-                                     null, {});
-
-  if (rv == 0) {
-    // Notify all windows that an application quit has been requested.
-    let cancelQuit = Components.classes["@mozilla.org/supports-PRBool;1"]
-                     .createInstance(Ci.nsISupportsPRBool);
-    Services.obs.notifyObservers(cancelQuit, "quit-application-requested", "restart");
-
-    // Something aborted the quit process.
-    if (cancelQuit.data) {
-      return;
-    }
-
-    if (safeMode) {    
-      Services.startup.restartInSafeMode(flags);
-    } else {
-      Services.startup.quit(flags | Ci.nsIAppStartup.eRestart);
-    }
-  }
-}
-
-/* duplicateTabIn duplicates tab in a place specified by the parameter |where|.
- *
- * |where| can be:
- *  "tab"         new tab
- *  "tabshifted"  same as "tab" but in background if default is to select new
- *                tabs, and vice versa
- *  "window"      new window
- *
- * delta is the offset to the history entry that you want to load.
- */
-function duplicateTabIn(aTab, where, delta) {
-  let newTab = Cc['@mozilla.org/browser/sessionstore;1']
-                 .getService(Ci.nsISessionStore)
-                 .duplicateTab(window, aTab, delta);
-
-  switch (where) {
-    case "window":
-      gBrowser.hideTab(newTab);
-      gBrowser.replaceTabWithWindow(newTab);
-      break;
-    case "tabshifted":
-      // A background tab has been opened, nothing else to do here.
-      break;
-    case "tab":
-      gBrowser.selectedTab = newTab;
-      break;
-  }
-}
-
-function toggleAddonBar() {
-  let addonBar = document.getElementById("addon-bar");
-  setToolbarVisibility(addonBar, addonBar.collapsed);
-}
-
-XPCOMUtils.defineLazyGetter(window, "gShowPageResizers", function () {
-#ifdef XP_WIN
-  // Only show resizers on Windows 2000 and XP
-  return parseFloat(Services.sysinfo.getProperty("version")) < 6;
-#else
-  return false;
-#endif
-});
-
-var MousePosTracker = {
-  _listeners: [],
-  _x: 0,
-  _y: 0,
-  get _windowUtils() {
-    delete this._windowUtils;
-    return this._windowUtils = window.getInterface(Ci.nsIDOMWindowUtils);
-  },
-
-  addListener: function (listener) {
-    if (this._listeners.indexOf(listener) >= 0)
-      return;
-
-    listener._hover = false;
-    this._listeners.push(listener);
-
-    this._callListener(listener);
-  },
-
-  removeListener: function (listener) {
-    var index = this._listeners.indexOf(listener);
-    if (index < 0)
-      return;
-
-    this._listeners.splice(index, 1);
-  },
-
-  handleEvent: function (event) {
-    var fullZoom = this._windowUtils.fullZoom;
-    this._x = event.screenX / fullZoom - window.mozInnerScreenX;
-    this._y = event.screenY / fullZoom - window.mozInnerScreenY;
-
-    this._listeners.forEach(function (listener) {
-      try {
-        this._callListener(listener);
-      } catch (e) {
-        Cu.reportError(e);
-      }
-    }, this);
-  },
-
-  _callListener: function (listener) {
-    let rect = listener.getMouseTargetRect();
-    let hover = this._x >= rect.left &&
-                this._x <= rect.right &&
-                this._y >= rect.top &&
-                this._y <= rect.bottom;
-
-    if (hover == listener._hover)
-      return;
-
-    listener._hover = hover;
-
-    if (hover) {
-      if (listener.onMouseEnter)
-        listener.onMouseEnter();
-    } else {
-      if (listener.onMouseLeave)
-        listener.onMouseLeave();
-    }
-  }
-};
-
-var BrowserChromeTest = {
-  _cb: null,
-  _ready: false,
-  markAsReady: function () {
-    this._ready = true;
-    if (this._cb) {
-      this._cb();
-      this._cb = null;
-    }
-  },
-  runWhenReady: function (cb) {
-    if (this._ready)
-      cb();
-    else
-      this._cb = cb;
-  }
-};
-
-var ToolbarIconColor = {
-  init: function () {
-    this._initialized = true;
-
-    window.addEventListener("activate", this);
-    window.addEventListener("deactivate", this);
-    Services.obs.addObserver(this, "lightweight-theme-styling-update", false);
-    gPrefService.addObserver("ui.colorChanged", this, false);
-
-    // If the window isn't active now, we assume that it has never been active
-    // before and will soon become active such that inferFromText will be
-    // called from the initial activate event.
-    if (Services.focus.activeWindow == window)
-      this.inferFromText();
-  },
-
-  uninit: function () {
-    this._initialized = false;
-
-    window.removeEventListener("activate", this);
-    window.removeEventListener("deactivate", this);
-    Services.obs.removeObserver(this, "lightweight-theme-styling-update");
-    gPrefService.removeObserver("ui.colorChanged", this);
-  },
-
-  handleEvent: function (event) {
-    switch (event.type) {
-      case "activate":
-      case "deactivate":
-        this.inferFromText();
-        break;
-    }
-  },
-
-  observe: function (aSubject, aTopic, aData) {
-    switch (aTopic) {
-      case "lightweight-theme-styling-update":
-        // inferFromText needs to run after LightweightThemeConsumer.jsm's
-        // lightweight-theme-styling-update observer.
-        setTimeout(() => { this.inferFromText(); }, 0);
-        break;
-      case "nsPref:changed":
-        // system color change
-        var colorChangedPref = false;
-        try {
-          colorChangedPref = gPrefService.getBoolPref("ui.colorChanged");
-        } catch(e) { }
-        // if pref indicates change, call inferFromText() on a small delay
-        if (colorChangedPref == true)
-          setTimeout(() => { this.inferFromText(); }, 300);
-        break;
-      default:
-        console.error("ToolbarIconColor: Uncaught topic " + aTopic);
-    }
-  },
-
-  inferFromText: function () {
-    if (!this._initialized)
-      return;
-
-    function parseRGB(aColorString) {
-      let rgb = aColorString.match(/^rgba?\((\d+), (\d+), (\d+)/);
-      rgb.shift();
-      return rgb.map(x => parseInt(x));
-    }
-
-    let toolbarSelector = "toolbar:not([collapsed=true])";
-#ifdef XP_MACOSX
-    toolbarSelector += ":not([type=menubar])";
-#endif
-
-    // The getComputedStyle calls and setting the brighttext are separated in
-    // two loops to avoid flushing layout and making it dirty repeatedly.
-
-    let luminances = new Map;
-    for (let toolbar of document.querySelectorAll(toolbarSelector)) {
-      let [r, g, b] = parseRGB(getComputedStyle(toolbar).color);
-      let luminance = (2 * r + 5 * g + b) / 8;
-	  luminances.set(toolbar, luminance);
-    }
-
-    for (let [toolbar, luminance] of luminances) {
-      if (luminance <= 128)
-        toolbar.removeAttribute("brighttext");
-      else
-        toolbar.setAttribute("brighttext", "true");
-    }
-
-    // Clear pref if set, since we're done applying the color changes.
-    gPrefService.clearUserPref("ui.colorChanged");
-  }
-}