Merge branch 'redwood' into 28.9-platform

22 files changed, 175 insertions, 927 deletions

diff --git a/toolkit/mozapps/downloads/DownloadTaskbarProgress.jsm b/toolkit/mozapps/downloads/DownloadTaskbarProgress.jsm
index bccbeda56..e015ded2a 100644
--- a/toolkit/mozapps/downloads/DownloadTaskbarProgress.jsm
+++ b/toolkit/mozapps/downloads/DownloadTaskbarProgress.jsm
@@ -16,7 +16,6 @@ const Cu = Components.utils;
 const Cr = Components.results;
 
 Cu.import("resource://gre/modules/XPCOMUtils.jsm");
-Cu.import("resource://gre/modules/AppConstants.jsm");
 XPCOMUtils.defineLazyModuleGetter(this, "Services",
                                   "resource://gre/modules/Services.jsm");
 
@@ -177,33 +176,33 @@ var DownloadTaskbarProgressUpdater =
    */
   _setActiveWindow: function DTPU_setActiveWindow(aWindow, aIsDownloadWindow)
   {
-    if (AppConstants.platform == "win") {
-      // Clear out the taskbar for the old active window. (If there was no active
-      // window, this is a no-op.)
-      this._clearTaskbar();
-
-      this._activeWindowIsDownloadWindow = aIsDownloadWindow;
-      if (aWindow) {
-        // Get the taskbar progress for this window
-        let docShell = aWindow.QueryInterface(Ci.nsIInterfaceRequestor).
-                         getInterface(Ci.nsIWebNavigation).
-                         QueryInterface(Ci.nsIDocShellTreeItem).treeOwner.
-                         QueryInterface(Ci.nsIInterfaceRequestor).
-                         getInterface(Ci.nsIXULWindow).docShell;
-        let taskbarProgress = this._taskbar.getTaskbarProgress(docShell);
-        this._activeTaskbarProgress = taskbarProgress;
-
-        this._updateTaskbar();
-        // _onActiveWindowUnload is idempotent, so we don't need to check whether
-        // we've already set this before or not.
-        aWindow.addEventListener("unload", function () {
-          DownloadTaskbarProgressUpdater._onActiveWindowUnload(taskbarProgress);
-        }, false);
-      }
-      else {
-        this._activeTaskbarProgress = null;
-      }
+#ifdef XP_WIN
+    // Clear out the taskbar for the old active window. (If there was no active
+    // window, this is a no-op.)
+    this._clearTaskbar();
+
+    this._activeWindowIsDownloadWindow = aIsDownloadWindow;
+    if (aWindow) {
+      // Get the taskbar progress for this window
+      let docShell = aWindow.QueryInterface(Ci.nsIInterfaceRequestor).
+                       getInterface(Ci.nsIWebNavigation).
+                       QueryInterface(Ci.nsIDocShellTreeItem).treeOwner.
+                       QueryInterface(Ci.nsIInterfaceRequestor).
+                       getInterface(Ci.nsIXULWindow).docShell;
+      let taskbarProgress = this._taskbar.getTaskbarProgress(docShell);
+      this._activeTaskbarProgress = taskbarProgress;
+
+      this._updateTaskbar();
+      // _onActiveWindowUnload is idempotent, so we don't need to check whether
+      // we've already set this before or not.
+      aWindow.addEventListener("unload", function () {
+        DownloadTaskbarProgressUpdater._onActiveWindowUnload(taskbarProgress);
+      }, false);
+    }
+    else {
+      this._activeTaskbarProgress = null;
     }
+#endif
   },
 
   // / Current state displayed on the active window's taskbar item
@@ -213,14 +212,15 @@ var DownloadTaskbarProgressUpdater =
 
   _shouldSetState: function DTPU_shouldSetState()
   {
-    if (AppConstants.platform == "win") {
-      // If the active window is not the download manager window, set the state
-      // only if it is normal or indeterminate.
-      return this._activeWindowIsDownloadWindow ||
-             (this._taskbarState == Ci.nsITaskbarProgress.STATE_NORMAL ||
-              this._taskbarState == Ci.nsITaskbarProgress.STATE_INDETERMINATE);
-    }
+#ifdef XP_WIN
+    // If the active window is not the download manager window, set the state
+    // only if it is normal or indeterminate.
+    return this._activeWindowIsDownloadWindow ||
+           (this._taskbarState == Ci.nsITaskbarProgress.STATE_NORMAL ||
+            this._taskbarState == Ci.nsITaskbarProgress.STATE_INDETERMINATE);
+#else
     return true;
+#endif
   },
 
   /**
diff --git a/toolkit/mozapps/downloads/content/downloads.js b/toolkit/mozapps/downloads/content/downloads.js
index 2fdb19a74..66230592f 100644
--- a/toolkit/mozapps/downloads/content/downloads.js
+++ b/toolkit/mozapps/downloads/content/downloads.js
@@ -19,7 +19,6 @@ var Cu = Components.utils;
 Cu.import("resource://gre/modules/XPCOMUtils.jsm");
 Cu.import("resource://gre/modules/DownloadUtils.jsm");
 Cu.import("resource://gre/modules/Services.jsm");
-Cu.import("resource://gre/modules/AppConstants.jsm");
 
 XPCOMUtils.defineLazyModuleGetter(this, "PluralForm",
                                   "resource://gre/modules/PluralForm.jsm");
@@ -253,18 +252,18 @@ function openDownload(aDownload)
       dontAsk = !pref.getBoolPref(PREF_BDM_CONFIRMOPENEXE);
     } catch (e) { }
 
-    if (AppConstants.platform == "win") {
-      // On Vista and above, we rely on native security prompting for
-      // downloaded content unless it's disabled.
-      try {
-        var sysInfo = Cc["@mozilla.org/system-info;1"].
-                      getService(Ci.nsIPropertyBag2);
-        if (parseFloat(sysInfo.getProperty("version")) >= 6 &&
-            pref.getBoolPref(PREF_BDM_SCANWHENDONE)) {
-          dontAsk = true;
-        }
-      } catch (ex) { }
-    }
+#ifdef XP_WIN
+    // On Vista and above, we rely on native security prompting for
+    // downloaded content unless it's disabled.
+    try {
+      var sysInfo = Cc["@mozilla.org/system-info;1"].
+                    getService(Ci.nsIPropertyBag2);
+      if (parseFloat(sysInfo.getProperty("version")) >= 6 &&
+          pref.getBoolPref(PREF_BDM_SCANWHENDONE)) {
+        dontAsk = true;
+      }
+    } catch (ex) { }
+#endif
 
     if (!dontAsk) {
       var strings = document.getElementById("downloadStrings");
@@ -478,10 +477,11 @@ var gDownloadObserver = {
         removeFromView(dl);
         break;
       case "browser-lastwindow-close-granted":
-        if (AppConstants.platform != "macosx" &&
-            gDownloadManager.activeDownloadCount == 0) {
+#ifndef XP_MACOSX
+        if (gDownloadManager.activeDownloadCount == 0) {
           setTimeout(gCloseDownloadManager, 0);
         }
+#endif
         break;
     }
   }
diff --git a/toolkit/mozapps/downloads/jar.mn b/toolkit/mozapps/downloads/jar.mn
index eb761b0d9..29a3d0ee2 100644
--- a/toolkit/mozapps/downloads/jar.mn
+++ b/toolkit/mozapps/downloads/jar.mn
@@ -6,7 +6,7 @@ toolkit.jar:
 % content mozapps %content/mozapps/
 * content/mozapps/downloads/unknownContentType.xul              (content/unknownContentType.xul)
 * content/mozapps/downloads/downloads.xul                       (content/downloads.xul)
-  content/mozapps/downloads/downloads.js                        (content/downloads.js)
+* content/mozapps/downloads/downloads.js                        (content/downloads.js)
   content/mozapps/downloads/DownloadProgressListener.js         (content/DownloadProgressListener.js)
   content/mozapps/downloads/downloads.css                       (content/downloads.css)
   content/mozapps/downloads/download.xml                        (content/download.xml)
diff --git a/toolkit/mozapps/downloads/moz.build b/toolkit/mozapps/downloads/moz.build
index 1850ea7de..48741710a 100644
--- a/toolkit/mozapps/downloads/moz.build
+++ b/toolkit/mozapps/downloads/moz.build
@@ -4,21 +4,16 @@
 # 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/.
 
-TEST_DIRS += ['tests']
+EXTRA_COMPONENTS += ['nsHelperAppDlg.manifest']
 
-EXTRA_COMPONENTS += [
-    'nsHelperAppDlg.manifest',
-]
-
-EXTRA_PP_COMPONENTS += [
-    'nsHelperAppDlg.js',
-]
+EXTRA_PP_COMPONENTS += ['nsHelperAppDlg.js']
 
 EXTRA_JS_MODULES += [
     'DownloadLastDir.jsm',
     'DownloadPaths.jsm',
-    'DownloadTaskbarProgress.jsm',
     'DownloadUtils.jsm',
 ]
 
+EXTRA_PP_JS_MODULES += ['DownloadTaskbarProgress.jsm']
+
 JAR_MANIFESTS += ['jar.mn']
\ No newline at end of file
diff --git a/toolkit/mozapps/downloads/nsHelperAppDlg.js b/toolkit/mozapps/downloads/nsHelperAppDlg.js
index 27c0fede0..90d38c90b 100644
--- a/toolkit/mozapps/downloads/nsHelperAppDlg.js
+++ b/toolkit/mozapps/downloads/nsHelperAppDlg.js
@@ -4,7 +4,6 @@
 
 const {utils: Cu, interfaces: Ci, classes: Cc, results: Cr} = Components;
 Cu.import("resource://gre/modules/Services.jsm");
-Cu.import("resource://gre/modules/AppConstants.jsm");
 Cu.import("resource://gre/modules/XPCOMUtils.jsm");
 XPCOMUtils.defineLazyModuleGetter(this, "EnableDelayHelper",
                                   "resource://gre/modules/SharedPromptUtils.jsm");
@@ -408,22 +407,22 @@ nsUnknownContentTypeDialog.prototype = {
     // is now caught properly in the caller of validateLeafName.
     var createdFile = DownloadPaths.createNiceUniqueFile(aLocalFolder);
 
-    if (AppConstants.platform == "win") {
-      let ext;
-      try {
-        // We can fail here if there's no primary extension set
-        ext = "." + this.mLauncher.MIMEInfo.primaryExtension;
-      } catch (e) { }
-
-      // Append a file extension if it's an executable that doesn't have one
-      // but make sure we actually have an extension to add
-      let leaf = createdFile.leafName;
-      if (ext && leaf.slice(-ext.length) != ext && createdFile.isExecutable()) {
-        createdFile.remove(false);
-        aLocalFolder.leafName = leaf + ext;
-        createdFile = DownloadPaths.createNiceUniqueFile(aLocalFolder);
-      }
+#ifdef XP_WIN
+    let ext;
+    try {
+      // We can fail here if there's no primary extension set
+      ext = "." + this.mLauncher.MIMEInfo.primaryExtension;
+    } catch (e) { }
+
+    // Append a file extension if it's an executable that doesn't have one
+    // but make sure we actually have an extension to add
+    let leaf = createdFile.leafName;
+    if (ext && leaf.slice(-ext.length) != ext && createdFile.isExecutable()) {
+      createdFile.remove(false);
+      aLocalFolder.leafName = leaf + ext;
+      createdFile = DownloadPaths.createNiceUniqueFile(aLocalFolder);
     }
+#endif
 
     return createdFile;
   },
@@ -640,21 +639,22 @@ nsUnknownContentTypeDialog.prototype = {
   // Returns true if opening the default application makes sense.
   openWithDefaultOK: function() {
     // The checking is different on Windows...
-    if (AppConstants.platform == "win") {
-      // Windows presents some special cases.
-      // We need to prevent use of "system default" when the file is
-      // executable (so the user doesn't launch nasty programs downloaded
-      // from the web), and, enable use of "system default" if it isn't
-      // executable (because we will prompt the user for the default app
-      // in that case).
-
-      //  Default is Ok if the file isn't executable (and vice-versa).
-      return !this.mLauncher.targetFileIsExecutable;
-    }
+#ifdef XP_WIN
+    // Windows presents some special cases.
+    // We need to prevent use of "system default" when the file is
+    // executable (so the user doesn't launch nasty programs downloaded
+    // from the web), and, enable use of "system default" if it isn't
+    // executable (because we will prompt the user for the default app
+    // in that case).
+
+    //  Default is Ok if the file isn't executable (and vice-versa).
+    return !this.mLauncher.targetFileIsExecutable;
+#else
     // On other platforms, default is Ok if there is a default app.
     // Note that nsIMIMEInfo providers need to ensure that this holds true
     // on each platform.
     return this.mLauncher.MIMEInfo.hasDefaultHandler;
+#endif
   },
 
   // Set "default" application description field.
@@ -675,10 +675,11 @@ nsUnknownContentTypeDialog.prototype = {
 
   // getPath:
   getPath: function (aFile) {
-    if (AppConstants.platform == "macosx") {
+#ifdef XP_MACOSX
       return aFile.leafName || aFile.path;
-    }
+#else
     return aFile.path;
+#endif
   },
 
   // initAppAndSaveToDiskValues:
@@ -980,19 +981,20 @@ nsUnknownContentTypeDialog.prototype = {
   // Retrieve the pretty description from the file
   getFileDisplayName: function getFileDisplayName(file)
   {
-    if (AppConstants.platform == "win") {
-      if (file instanceof Components.interfaces.nsILocalFileWin) {
-        try {
-          return file.getVersionInfoField("FileDescription");
-        } catch (e) {}
-      }
-    } else if (AppConstants.platform == "macosx") {
-      if (file instanceof Components.interfaces.nsILocalFileMac) {
-        try {
-          return file.bundleDisplayName;
-        } catch (e) {}
-      }
+#ifdef XP_WIN
+    if (file instanceof Components.interfaces.nsILocalFileWin) {
+      try {
+        return file.getVersionInfoField("FileDescription");
+      } catch (e) {}
+    }
+#elifdef XP_MACOSX
+    if (file instanceof Components.interfaces.nsILocalFileMac) {
+      try {
+        return file.bundleDisplayName;
+      } catch (e) {}
     }
+#endif
+
     return file.leafName;
   },
 
@@ -1006,10 +1008,13 @@ nsUnknownContentTypeDialog.prototype = {
       var otherHandler = this.dialogElement("otherHandler");
       otherHandler.removeAttribute("hidden");
       otherHandler.setAttribute("path", this.getPath(this.chosenApp.executable));
-      if (AppConstants.platform == "win")
-        otherHandler.label = this.getFileDisplayName(this.chosenApp.executable);
-      else
-        otherHandler.label = this.chosenApp.name;
+
+#ifdef XP_WIN
+      otherHandler.label = this.getFileDisplayName(this.chosenApp.executable);
+#else
+      otherHandler.label = this.chosenApp.name;
+#endif
+
       this.dialogElement("openHandler").selectedIndex = 1;
       this.dialogElement("openHandler").setAttribute("lastSelectedItemID", "otherHandler");
 
@@ -1025,85 +1030,84 @@ nsUnknownContentTypeDialog.prototype = {
   },
   // chooseApp:  Open file picker and prompt user for application.
   chooseApp: function() {
-    if (AppConstants.platform == "win") {
-      // Protect against the lack of an extension
-      var fileExtension = "";
-      try {
-        fileExtension = this.mLauncher.MIMEInfo.primaryExtension;
-      } catch(ex) {
-      }
+#ifdef XP_WIN
+    // Protect against the lack of an extension
+    var fileExtension = "";
+    try {
+      fileExtension = this.mLauncher.MIMEInfo.primaryExtension;
+    } catch(ex) {
+    }
 
-      // Try to use the pretty description of the type, if one is available.
-      var typeString = this.mLauncher.MIMEInfo.description;
-
-      if (!typeString) {
-        // If there is none, use the extension to
-        // identify the file, e.g. "ZIP file"
-        if (fileExtension) {
-          typeString =
-            this.dialogElement("strings").
-            getFormattedString("fileType", [fileExtension.toUpperCase()]);
-        } else {
-          // If we can't even do that, just give up and show the MIME type.
-          typeString = this.mLauncher.MIMEInfo.MIMEType;
-        }
+    // Try to use the pretty description of the type, if one is available.
+    var typeString = this.mLauncher.MIMEInfo.description;
+
+    if (!typeString) {
+      // If there is none, use the extension to
+      // identify the file, e.g. "ZIP file"
+      if (fileExtension) {
+        typeString =
+          this.dialogElement("strings").
+          getFormattedString("fileType", [fileExtension.toUpperCase()]);
+      } else {
+        // If we can't even do that, just give up and show the MIME type.
+        typeString = this.mLauncher.MIMEInfo.MIMEType;
       }
+    }
 
-      var params = {};
-      params.title =
-        this.dialogElement("strings").getString("chooseAppFilePickerTitle");
-      params.description = typeString;
-      params.filename    = this.mLauncher.suggestedFileName;
-      params.mimeInfo    = this.mLauncher.MIMEInfo;
-      params.handlerApp  = null;
-
-      this.mDialog.openDialog("chrome://global/content/appPicker.xul", null,
-                              "chrome,modal,centerscreen,titlebar,dialog=yes",
-                              params);
-
-      if (params.handlerApp &&
-          params.handlerApp.executable &&
-          params.handlerApp.executable.isFile()) {
-        // Remember the file they chose to run.
-        this.chosenApp = params.handlerApp;
-      }
+    var params = {};
+    params.title =
+      this.dialogElement("strings").getString("chooseAppFilePickerTitle");
+    params.description = typeString;
+    params.filename    = this.mLauncher.suggestedFileName;
+    params.mimeInfo    = this.mLauncher.MIMEInfo;
+    params.handlerApp  = null;
+
+    this.mDialog.openDialog("chrome://global/content/appPicker.xul", null,
+                            "chrome,modal,centerscreen,titlebar,dialog=yes",
+                            params);
+
+    if (params.handlerApp &&
+        params.handlerApp.executable &&
+        params.handlerApp.executable.isFile()) {
+      // Remember the file they chose to run.
+      this.chosenApp = params.handlerApp;
     }
-    else {
+#else // XP_WIN
 #if MOZ_WIDGET_GTK == 3
-      var nsIApplicationChooser = Components.interfaces.nsIApplicationChooser;
-      var appChooser = Components.classes["@mozilla.org/applicationchooser;1"]
-                                 .createInstance(nsIApplicationChooser);
-      appChooser.init(this.mDialog, this.dialogElement("strings").getString("chooseAppFilePickerTitle"));
-      var contentTypeDialogObj = this;
-      let appChooserCallback = function appChooserCallback_done(aResult) {
-        if (aResult) {
-           contentTypeDialogObj.chosenApp = aResult.QueryInterface(Components.interfaces.nsILocalHandlerApp);
-        }
-        contentTypeDialogObj.finishChooseApp();
-      };
-      appChooser.open(this.mLauncher.MIMEInfo.MIMEType, appChooserCallback);
-      // The finishChooseApp is called from appChooserCallback
-      return;
-#else
-      var nsIFilePicker = Components.interfaces.nsIFilePicker;
-      var fp = Components.classes["@mozilla.org/filepicker;1"]
-                         .createInstance(nsIFilePicker);
-      fp.init(this.mDialog,
-              this.dialogElement("strings").getString("chooseAppFilePickerTitle"),
-              nsIFilePicker.modeOpen);
-
-      fp.appendFilters(nsIFilePicker.filterApps);
-
-      if (fp.show() == nsIFilePicker.returnOK && fp.file) {
-        // Remember the file they chose to run.
-        var localHandlerApp =
-          Components.classes["@mozilla.org/uriloader/local-handler-app;1"].
-                     createInstance(Components.interfaces.nsILocalHandlerApp);
-        localHandlerApp.executable = fp.file;
-        this.chosenApp = localHandlerApp;
+    var nsIApplicationChooser = Components.interfaces.nsIApplicationChooser;
+    var appChooser = Components.classes["@mozilla.org/applicationchooser;1"]
+                               .createInstance(nsIApplicationChooser);
+    appChooser.init(this.mDialog, this.dialogElement("strings").getString("chooseAppFilePickerTitle"));
+    var contentTypeDialogObj = this;
+    let appChooserCallback = function appChooserCallback_done(aResult) {
+      if (aResult) {
+         contentTypeDialogObj.chosenApp = aResult.QueryInterface(Components.interfaces.nsILocalHandlerApp);
       }
-#endif // MOZ_WIDGET_GTK == 3
+      contentTypeDialogObj.finishChooseApp();
+    };
+    appChooser.open(this.mLauncher.MIMEInfo.MIMEType, appChooserCallback);
+    // The finishChooseApp is called from appChooserCallback
+    return;
+#else // MOZ_WIDGET_GTK == 3
+    var nsIFilePicker = Components.interfaces.nsIFilePicker;
+    var fp = Components.classes["@mozilla.org/filepicker;1"]
+                       .createInstance(nsIFilePicker);
+    fp.init(this.mDialog,
+            this.dialogElement("strings").getString("chooseAppFilePickerTitle"),
+            nsIFilePicker.modeOpen);
+
+    fp.appendFilters(nsIFilePicker.filterApps);
+
+    if (fp.show() == nsIFilePicker.returnOK && fp.file) {
+      // Remember the file they chose to run.
+      var localHandlerApp =
+        Components.classes["@mozilla.org/uriloader/local-handler-app;1"].
+                   createInstance(Components.interfaces.nsILocalHandlerApp);
+      localHandlerApp.executable = fp.file;
+      this.chosenApp = localHandlerApp;
     }
+#endif // MOZ_WIDGET_GTK == 3
+#endif // XP_WIN
     this.finishChooseApp();
   },
 
diff --git a/toolkit/mozapps/downloads/tests/chrome/.eslintrc.js b/toolkit/mozapps/downloads/tests/chrome/.eslintrc.js
deleted file mode 100644
index 8c0f4f574..000000000
--- a/toolkit/mozapps/downloads/tests/chrome/.eslintrc.js
+++ /dev/null
@@ -1,7 +0,0 @@
-"use strict";
-
-module.exports = {
-  "extends": [
-    "../../../../../testing/mochitest/chrome.eslintrc.js"
-  ]
-};
diff --git a/toolkit/mozapps/downloads/tests/chrome/chrome.ini b/toolkit/mozapps/downloads/tests/chrome/chrome.ini
deleted file mode 100644
index b5a29cb45..000000000
--- a/toolkit/mozapps/downloads/tests/chrome/chrome.ini
+++ /dev/null
@@ -1,10 +0,0 @@
-[DEFAULT]
-skip-if = os == 'android'
-support-files =
-  unknownContentType_dialog_layout_data.pif
-  unknownContentType_dialog_layout_data.pif^headers^
-  unknownContentType_dialog_layout_data.txt
-  unknownContentType_dialog_layout_data.txt^headers^
-
-[test_unknownContentType_delayedbutton.xul]
-[test_unknownContentType_dialog_layout.xul]
diff --git a/toolkit/mozapps/downloads/tests/chrome/test_unknownContentType_delayedbutton.xul b/toolkit/mozapps/downloads/tests/chrome/test_unknownContentType_delayedbutton.xul
deleted file mode 100644
index 9bbec0f92..000000000
--- a/toolkit/mozapps/downloads/tests/chrome/test_unknownContentType_delayedbutton.xul
+++ /dev/null
@@ -1,117 +0,0 @@
-<?xml version="1.0"?>
-<!-- This Source Code Form is subject to the terms of the Mozilla Public
-   - License, v. 2.0. If a copy of the MPL was not distributed with this
-   - file, You can obtain one at http://mozilla.org/MPL/2.0/.  -->
-<!--
- * The unknownContentType popup can have two different layouts depending on
- * whether a helper application can be selected or not.
- * This tests that both layouts have correct collapsed elements.
--->
-
-<window title="Unknown Content Type Dialog Test"
-        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
-        onload="doTest()">
-
-  <script type="application/javascript"
-          src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>
-
-  <script type="application/javascript"><![CDATA[
-    const { classes: Cc, interfaces: Ci, utils: Cu, results: Cr } = Components;
-
-    Cu.import("resource://gre/modules/Services.jsm");
-    Cu.import("resource://gre/modules/Task.jsm");
-    Cu.import("resource://gre/modules/Promise.jsm");
-
-    const UCT_URI = "chrome://mozapps/content/downloads/unknownContentType.xul";
-    const LOAD_URI = "http://mochi.test:8888/chrome/toolkit/mozapps/downloads/tests/chrome/unknownContentType_dialog_layout_data.txt";
-
-    const DIALOG_DELAY = Services.prefs.getIntPref("security.dialog_enable_delay") + 200;
-
-    let UCTObserver = {
-      opened: Promise.defer(),
-      closed: Promise.defer(),
-
-      observe: function(aSubject, aTopic, aData) {
-        let win = aSubject.QueryInterface(Ci.nsIDOMEventTarget);
-
-        switch (aTopic) {
-          case "domwindowopened":
-            win.addEventListener("load", function onLoad(event) {
-              win.removeEventListener("load", onLoad, false);
-
-              // Let the dialog initialize
-              SimpleTest.executeSoon(function() {
-                UCTObserver.opened.resolve(win);
-              });
-            }, false);
-            break;
-
-          case "domwindowclosed":
-            if (win.location == UCT_URI) {
-              this.closed.resolve();
-            }
-            break;
-        }
-      }
-    };
-
-    Services.ww.registerNotification(UCTObserver);
-    SimpleTest.waitForExplicitFinish();
-    SimpleTest.requestFlakyTimeout("This test is testing a timing-based feature, so it really needs to wait a certain amount of time to verify that the feature worked.");
-
-    function waitDelay(delay) {
-      return new Promise((resolve, reject) => {
-        window.setTimeout(resolve, delay);
-      });
-    }
-
-    function doTest() {
-      Task.spawn(function test_aboutCrashed() {
-        let frame = document.getElementById("testframe");
-        frame.setAttribute("src", LOAD_URI);
-
-        let uctWindow = yield UCTObserver.opened.promise;
-        let ok = uctWindow.document.documentElement.getButton("accept");
-
-        SimpleTest.is(ok.disabled, true, "button started disabled");
-
-        yield waitDelay(DIALOG_DELAY);
-
-        SimpleTest.is(ok.disabled, false, "button was enabled");
-
-        focusOutOfDialog = SimpleTest.promiseFocus(window);
-        window.focus();
-        yield focusOutOfDialog;
-
-        SimpleTest.is(ok.disabled, true, "button was disabled");
-
-        focusOnDialog = SimpleTest.promiseFocus(uctWindow);
-        uctWindow.focus();
-        yield focusOnDialog;
-
-        SimpleTest.is(ok.disabled, true, "button remained disabled");
-
-        yield waitDelay(DIALOG_DELAY);
-        SimpleTest.is(ok.disabled, false, "button re-enabled after delay");
-
-        uctWindow.document.documentElement.cancelDialog();
-        yield UCTObserver.closed.promise;
-
-        Services.ww.unregisterNotification(UCTObserver);
-        uctWindow = null;
-        UCTObserver = null;
-        SimpleTest.finish();
-      });
-    }
-  ]]></script>
-
-  <body xmlns="http://www.w3.org/1999/xhtml">
-    <p id="display"></p>
-    <div id="content" style="display:none;"></div>
-    <pre id="test"></pre>
-  </body>
-
-  <iframe xmlns="http://www.w3.org/1999/xhtml"
-          id="testframe">
-  </iframe>
-</window>
diff --git a/toolkit/mozapps/downloads/tests/chrome/test_unknownContentType_dialog_layout.xul b/toolkit/mozapps/downloads/tests/chrome/test_unknownContentType_dialog_layout.xul
deleted file mode 100644
index 1210b908d..000000000
--- a/toolkit/mozapps/downloads/tests/chrome/test_unknownContentType_dialog_layout.xul
+++ /dev/null
@@ -1,108 +0,0 @@
-<?xml version="1.0"?>
-<!-- This Source Code Form is subject to the terms of the Mozilla Public
-   - License, v. 2.0. If a copy of the MPL was not distributed with this
-   - file, You can obtain one at http://mozilla.org/MPL/2.0/.  -->
-<!--
- * The unknownContentType popup can have two different layouts depending on
- * whether a helper application can be selected or not.
- * This tests that both layouts have correct collapsed elements.
--->
-
-<window title="Unknown Content Type Dialog Test"
-        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
-        onload="init()">
-
-  <script type="application/javascript"
-          src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>
-
-  <script type="application/javascript">
-  <![CDATA[
-const { classes: Cc, interfaces: Ci, utils: Cu, results: Cr } = Components;
-
-const UCT_URI = "chrome://mozapps/content/downloads/unknownContentType.xul";
-
-let testIndex = -1;
-let tests = [
-  { // This URL will trigger the simple UI, where only the Save an Cancel buttons are available
-    url: "http://mochi.test:8888/chrome/toolkit/mozapps/downloads/tests/chrome/unknownContentType_dialog_layout_data.pif",
-    elements: {
-      basicBox: { collapsed: false },
-      normalBox: { collapsed: true }
-    }
-  },
-  { // This URL will trigger the full UI
-    url: "http://mochi.test:8888/chrome/toolkit/mozapps/downloads/tests/chrome/unknownContentType_dialog_layout_data.txt",
-    elements: {
-      basicBox: { collapsed: true },
-      normalBox: { collapsed: false }
-    }
-  }
-];
-
-let ww = Cc["@mozilla.org/embedcomp/window-watcher;1"].
-         getService(Ci.nsIWindowWatcher);
-
-SimpleTest.waitForExplicitFinish();
-
-let windowObserver = {
-  observe: function(aSubject, aTopic, aData) {
-    let win = aSubject.QueryInterface(Ci.nsIDOMEventTarget);
-
-    if (aTopic == "domwindowclosed") {
-      if (win.location == UCT_URI)
-        loadNextTest();
-      return;
-    }
-
-    // domwindowopened
-    win.addEventListener("load", function onLoad(event) {
-      win.removeEventListener("load", onLoad, false);
-
-      // Let the dialog initialize
-      SimpleTest.executeSoon(function() {
-        checkWindow(win);
-      });
-    }, false);
-  }
-};
-
-function init() {
-  ww.registerNotification(windowObserver);
-  loadNextTest();
-}
-
-function loadNextTest() {
-  if (!tests[++testIndex]) {
-    ww.unregisterNotification(windowObserver);
-    SimpleTest.finish();
-    return;
-  }
-  let frame = document.getElementById("testframe");
-  frame.setAttribute("src", tests[testIndex].url);
-}
-
-function checkWindow(win) {
-  for (let [id, props] of Object.entries(tests[testIndex].elements)) {
-    let elem = win.dialog.dialogElement(id);
-    for (let [prop, value] of Object.entries(props)) {
-      is(elem[prop], value,
-         "Element with id " + id + " has property " +
-         prop + " set to " + value);
-    }
-  }
-  win.document.documentElement.cancelDialog();
-}
-
-  ]]>
-  </script>
-
-  <body xmlns="http://www.w3.org/1999/xhtml">
-    <p id="display"></p>
-    <div id="content" style="display:none;"></div>
-    <pre id="test"></pre>
-  </body>
-
-  <iframe xmlns="http://www.w3.org/1999/xhtml"
-          id="testframe">
-  </iframe>
-</window>
diff --git a/toolkit/mozapps/downloads/tests/chrome/unknownContentType_dialog_layout_data.pif b/toolkit/mozapps/downloads/tests/chrome/unknownContentType_dialog_layout_data.pif
deleted file mode 100644
index 9353d1312..000000000
--- a/toolkit/mozapps/downloads/tests/chrome/unknownContentType_dialog_layout_data.pif
+++ /dev/null
@@ -1 +0,0 @@
-Dummy content for unknownContentType_dialog_layout_data.pif
diff --git a/toolkit/mozapps/downloads/tests/chrome/unknownContentType_dialog_layout_data.pif^headers^ b/toolkit/mozapps/downloads/tests/chrome/unknownContentType_dialog_layout_data.pif^headers^
deleted file mode 100644
index 09b22facc..000000000
--- a/toolkit/mozapps/downloads/tests/chrome/unknownContentType_dialog_layout_data.pif^headers^
+++ /dev/null
@@ -1 +0,0 @@
-Content-Type: application/octet-stream
diff --git a/toolkit/mozapps/downloads/tests/chrome/unknownContentType_dialog_layout_data.txt b/toolkit/mozapps/downloads/tests/chrome/unknownContentType_dialog_layout_data.txt
deleted file mode 100644
index 77e719559..000000000
--- a/toolkit/mozapps/downloads/tests/chrome/unknownContentType_dialog_layout_data.txt
+++ /dev/null
@@ -1 +0,0 @@
-Dummy content for unknownContentType_dialog_layout_data.txt
diff --git a/toolkit/mozapps/downloads/tests/chrome/unknownContentType_dialog_layout_data.txt^headers^ b/toolkit/mozapps/downloads/tests/chrome/unknownContentType_dialog_layout_data.txt^headers^
deleted file mode 100644
index 2a3c472e2..000000000
--- a/toolkit/mozapps/downloads/tests/chrome/unknownContentType_dialog_layout_data.txt^headers^
+++ /dev/null
@@ -1,2 +0,0 @@
-Content-Type: text/plain
-Content-Disposition: attachment
diff --git a/toolkit/mozapps/downloads/tests/moz.build b/toolkit/mozapps/downloads/tests/moz.build
deleted file mode 100644
index a4b1efb9a..000000000
--- a/toolkit/mozapps/downloads/tests/moz.build
+++ /dev/null
@@ -1,8 +0,0 @@
-# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
-# vim: set filetype=python:
-# This Source Code Form is subject to the terms of the Mozilla Public
-# License, v. 2.0. If a copy of the MPL was not distributed with this
-# file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-XPCSHELL_TESTS_MANIFESTS += ['unit/xpcshell.ini']
-MOCHITEST_CHROME_MANIFESTS += ['chrome/chrome.ini']
diff --git a/toolkit/mozapps/downloads/tests/unit/.eslintrc.js b/toolkit/mozapps/downloads/tests/unit/.eslintrc.js
deleted file mode 100644
index d35787cd2..000000000
--- a/toolkit/mozapps/downloads/tests/unit/.eslintrc.js
+++ /dev/null
@@ -1,7 +0,0 @@
-"use strict";
-
-module.exports = {
-  "extends": [
-    "../../../../../testing/xpcshell/xpcshell.eslintrc.js"
-  ]
-};
diff --git a/toolkit/mozapps/downloads/tests/unit/head_downloads.js b/toolkit/mozapps/downloads/tests/unit/head_downloads.js
deleted file mode 100644
index 4f199e5cf..000000000
--- a/toolkit/mozapps/downloads/tests/unit/head_downloads.js
+++ /dev/null
@@ -1,5 +0,0 @@
-Components.utils.import("resource://gre/modules/Services.jsm");
-
-do_register_cleanup(function() {
-  Services.obs.notifyObservers(null, "quit-application", null);
-});
diff --git a/toolkit/mozapps/downloads/tests/unit/test_DownloadPaths.js b/toolkit/mozapps/downloads/tests/unit/test_DownloadPaths.js
deleted file mode 100644
index 77249169d..000000000
--- a/toolkit/mozapps/downloads/tests/unit/test_DownloadPaths.js
+++ /dev/null
@@ -1,131 +0,0 @@
-/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
-/* vim: set ts=2 et sw=2 tw=80 filetype=javascript: */
-/* ***** BEGIN LICENSE BLOCK *****
- *
- * Any copyright is dedicated to the Public Domain.
- * http://creativecommons.org/publicdomain/zero/1.0/
- *
- * ***** END LICENSE BLOCK ***** */
-
-/**
- * Tests for the "DownloadPaths.jsm" JavaScript module.
- */
-
-var Cc = Components.classes;
-var Ci = Components.interfaces;
-var Cu = Components.utils;
-var Cr = Components.results;
-
-Cu.import("resource://gre/modules/DownloadPaths.jsm");
-
-/**
- * Provides a temporary save directory.
- *
- * @returns nsIFile pointing to the new or existing directory.
- */
-function createTemporarySaveDirectory()
-{
-  var saveDir = Cc["@mozilla.org/file/directory_service;1"].
-                getService(Ci.nsIProperties).get("TmpD", Ci.nsIFile);
-  saveDir.append("testsavedir");
-  if (!saveDir.exists()) {
-    saveDir.create(Ci.nsIFile.DIRECTORY_TYPE, 0o755);
-  }
-  return saveDir;
-}
-
-function testSplitBaseNameAndExtension(aLeafName, [aBase, aExt])
-{
-  var [base, ext] = DownloadPaths.splitBaseNameAndExtension(aLeafName);
-  do_check_eq(base, aBase);
-  do_check_eq(ext, aExt);
-
-  // If we modify the base name and concatenate it with the extension again,
-  // another roundtrip through the function should give a consistent result.
-  // The only exception is when we introduce an extension in a file name that
-  // didn't have one or that ended with one of the special cases like ".gz". If
-  // we avoid using a dot and we introduce at least another special character,
-  // the results are always consistent.
-  [base, ext] = DownloadPaths.splitBaseNameAndExtension("(" + base + ")" + ext);
-  do_check_eq(base, "(" + aBase + ")");
-  do_check_eq(ext, aExt);
-}
-
-function testCreateNiceUniqueFile(aTempFile, aExpectedLeafName)
-{
-  var createdFile = DownloadPaths.createNiceUniqueFile(aTempFile);
-  do_check_eq(createdFile.leafName, aExpectedLeafName);
-}
-
-function run_test()
-{
-  // Usual file names.
-  testSplitBaseNameAndExtension("base",             ["base", ""]);
-  testSplitBaseNameAndExtension("base.ext",         ["base", ".ext"]);
-  testSplitBaseNameAndExtension("base.application", ["base", ".application"]);
-  testSplitBaseNameAndExtension("base.x.Z",         ["base", ".x.Z"]);
-  testSplitBaseNameAndExtension("base.ext.Z",       ["base", ".ext.Z"]);
-  testSplitBaseNameAndExtension("base.ext.gz",      ["base", ".ext.gz"]);
-  testSplitBaseNameAndExtension("base.ext.Bz2",     ["base", ".ext.Bz2"]);
-  testSplitBaseNameAndExtension("base..ext",        ["base.", ".ext"]);
-  testSplitBaseNameAndExtension("base..Z",          ["base.", ".Z"]);
-  testSplitBaseNameAndExtension("base. .Z",         ["base. ", ".Z"]);
-  testSplitBaseNameAndExtension("base.base.Bz2",    ["base.base", ".Bz2"]);
-  testSplitBaseNameAndExtension("base  .ext",       ["base  ", ".ext"]);
-
-  // Corner cases. A name ending with a dot technically has no extension, but
-  // we consider the ending dot separately from the base name so that modifying
-  // the latter never results in an extension being introduced accidentally.
-  // Names beginning with a dot are hidden files on Unix-like platforms and if
-  // their name doesn't contain another dot they should have no extension, but
-  // on Windows the whole name is considered as an extension.
-  testSplitBaseNameAndExtension("base.",            ["base", "."]);
-  testSplitBaseNameAndExtension(".ext",             ["", ".ext"]);
-
-  // Unusual file names (not recommended as input to the function).
-  testSplitBaseNameAndExtension("base. ",           ["base", ". "]);
-  testSplitBaseNameAndExtension("base ",            ["base ", ""]);
-  testSplitBaseNameAndExtension("",                 ["", ""]);
-  testSplitBaseNameAndExtension(" ",                [" ", ""]);
-  testSplitBaseNameAndExtension(" . ",              [" ", ". "]);
-  testSplitBaseNameAndExtension(" .. ",             [" .", ". "]);
-  testSplitBaseNameAndExtension(" .ext",            [" ", ".ext"]);
-  testSplitBaseNameAndExtension(" .ext. ",          [" .ext", ". "]);
-  testSplitBaseNameAndExtension(" .ext.gz ",        [" .ext", ".gz "]);
-
-  var destDir = createTemporarySaveDirectory();
-  try {
-    // Single extension.
-    var tempFile = destDir.clone();
-    tempFile.append("test.txt");
-    testCreateNiceUniqueFile(tempFile, "test.txt");
-    testCreateNiceUniqueFile(tempFile, "test(1).txt");
-    testCreateNiceUniqueFile(tempFile, "test(2).txt");
-
-    // Double extension.
-    tempFile.leafName = "test.tar.gz";
-    testCreateNiceUniqueFile(tempFile, "test.tar.gz");
-    testCreateNiceUniqueFile(tempFile, "test(1).tar.gz");
-    testCreateNiceUniqueFile(tempFile, "test(2).tar.gz");
-
-    // Test automatic shortening of long file names. We don't know exactly how
-    // many characters are removed, because it depends on the name of the folder
-    // where the file is located.
-    tempFile.leafName = new Array(256).join("T") + ".txt";
-    var newFile = DownloadPaths.createNiceUniqueFile(tempFile);
-    do_check_true(newFile.leafName.length < tempFile.leafName.length);
-    do_check_eq(newFile.leafName.slice(-4), ".txt");
-
-    // Creating a valid file name from an invalid one is not always possible.
-    tempFile.append("file-under-long-directory.txt");
-    try {
-      DownloadPaths.createNiceUniqueFile(tempFile);
-      do_throw("Exception expected with a long parent directory name.")
-    } catch (e) {
-      // An exception is expected, but we don't know which one exactly.
-    }
-  } finally {
-    // Clean up the temporary directory.
-    destDir.remove(true);
-  }
-}
diff --git a/toolkit/mozapps/downloads/tests/unit/test_DownloadUtils.js b/toolkit/mozapps/downloads/tests/unit/test_DownloadUtils.js
deleted file mode 100644
index 11e7776a7..000000000
--- a/toolkit/mozapps/downloads/tests/unit/test_DownloadUtils.js
+++ /dev/null
@@ -1,237 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-var Cu = Components.utils;
-Cu.import("resource://gre/modules/DownloadUtils.jsm");
-
-const gDecimalSymbol = Number(5.4).toLocaleString().match(/\D/);
-function _(str) {
-  return str.replace(/\./g, gDecimalSymbol);
-}
-
-function testConvertByteUnits(aBytes, aValue, aUnit)
-{
-  let [value, unit] = DownloadUtils.convertByteUnits(aBytes);
-  do_check_eq(value, aValue);
-  do_check_eq(unit, aUnit);
-}
-
-function testTransferTotal(aCurrBytes, aMaxBytes, aTransfer)
-{
-  let transfer = DownloadUtils.getTransferTotal(aCurrBytes, aMaxBytes);
-  do_check_eq(transfer, aTransfer);
-}
-
-// Get the em-dash character because typing it directly here doesn't work :(
-var gDash = DownloadUtils.getDownloadStatus(0)[0].match(/remaining (.) 0 bytes/)[1];
-
-var gVals = [0, 100, 2345, 55555, 982341, 23194134, 1482, 58, 9921949201, 13498132, Infinity];
-
-function testStatus(aFunc, aCurr, aMore, aRate, aTest)
-{
-  dump("Status Test: " + [aCurr, aMore, aRate, aTest] + "\n");
-  let curr = gVals[aCurr];
-  let max = curr + gVals[aMore];
-  let speed = gVals[aRate];
-
-  let [status, last] = aFunc(curr, max, speed);
-
-  if (0) {
-    dump("testStatus(" + aCurr + ", " + aMore + ", " + aRate + ", [\"" +
-      status.replace(gDash, "--") + "\", " + last.toFixed(3) + "]);\n");
-  }
-
-  // Make sure the status text matches
-  do_check_eq(status, _(aTest[0].replace(/--/, gDash)));
-
-  // Make sure the lastSeconds matches
-  if (last == Infinity)
-    do_check_eq(last, aTest[1]);
-  else
-    do_check_true(Math.abs(last - aTest[1]) < .1);
-}
-
-function testURI(aURI, aDisp, aHost)
-{
-  dump("URI Test: " + [aURI, aDisp, aHost] + "\n");
-
-  let [disp, host] = DownloadUtils.getURIHost(aURI);
-
-  // Make sure we have the right display host and full host
-  do_check_eq(disp, aDisp);
-  do_check_eq(host, aHost);
-}
-
-
-function testGetReadableDates(aDate, aCompactValue)
-{
-  const now = new Date(2000, 11, 31, 11, 59, 59);
-
-  let [dateCompact] = DownloadUtils.getReadableDates(aDate, now);
-  do_check_eq(dateCompact, aCompactValue);
-}
-
-function testAllGetReadableDates()
-{
-  // This test cannot depend on the current date and time, or the date format.
-  // It depends on being run with the English localization, however.
-  const today_11_30     = new Date(2000, 11, 31, 11, 30, 15);
-  const today_12_30     = new Date(2000, 11, 31, 12, 30, 15);
-  const yesterday_11_30 = new Date(2000, 11, 30, 11, 30, 15);
-  const yesterday_12_30 = new Date(2000, 11, 30, 12, 30, 15);
-  const twodaysago      = new Date(2000, 11, 29, 11, 30, 15);
-  const sixdaysago      = new Date(2000, 11, 25, 11, 30, 15);
-  const sevendaysago    = new Date(2000, 11, 24, 11, 30, 15);
-
-  // TODO: Remove Intl fallback when bug 1215247 is fixed.
-  const locale = typeof Intl === "undefined"
-                 ? undefined
-                 : Components.classes["@mozilla.org/chrome/chrome-registry;1"]
-                                     .getService(Components.interfaces.nsIXULChromeRegistry)
-                                     .getSelectedLocale("global", true);
-
-  let dts = Components.classes["@mozilla.org/intl/scriptabledateformat;1"].
-            getService(Components.interfaces.nsIScriptableDateFormat);
-
-  testGetReadableDates(today_11_30, dts.FormatTime("", dts.timeFormatNoSeconds,
-                                                   11, 30, 0));
-  testGetReadableDates(today_12_30, dts.FormatTime("", dts.timeFormatNoSeconds,
-                                                   12, 30, 0));
-  testGetReadableDates(yesterday_11_30, "Yesterday");
-  testGetReadableDates(yesterday_12_30, "Yesterday");
-  testGetReadableDates(twodaysago,
-                       typeof Intl === "undefined"
-                       ? twodaysago.toLocaleFormat("%A")
-                       : twodaysago.toLocaleDateString(locale, { weekday: "long" }));
-  testGetReadableDates(sixdaysago,
-                       typeof Intl === "undefined"
-                       ? sixdaysago.toLocaleFormat("%A")
-                       : sixdaysago.toLocaleDateString(locale, { weekday: "long" }));
-  testGetReadableDates(sevendaysago,
-                       (typeof Intl === "undefined"
-                        ? sevendaysago.toLocaleFormat("%B")
-                        : sevendaysago.toLocaleDateString(locale, { month: "long" })) + " " +
-                       sevendaysago.getDate().toString().padStart(2, "0"));
-
-  let [, dateTimeFull] = DownloadUtils.getReadableDates(today_11_30);
-  do_check_eq(dateTimeFull, dts.FormatDateTime("", dts.dateFormatLong,
-                                                   dts.timeFormatNoSeconds,
-                                                   2000, 12, 31, 11, 30, 0));
-}
-
-function run_test()
-{
-  testConvertByteUnits(-1, "-1", "bytes");
-  testConvertByteUnits(1, _("1"), "bytes");
-  testConvertByteUnits(42, _("42"), "bytes");
-  testConvertByteUnits(123, _("123"), "bytes");
-  testConvertByteUnits(1024, _("1.0"), "KB");
-  testConvertByteUnits(8888, _("8.7"), "KB");
-  testConvertByteUnits(59283, _("57.9"), "KB");
-  testConvertByteUnits(640000, _("625"), "KB");
-  testConvertByteUnits(1048576, _("1.0"), "MB");
-  testConvertByteUnits(307232768, _("293"), "MB");
-  testConvertByteUnits(1073741824, _("1.0"), "GB");
-
-  testTransferTotal(1, 1, _("1 of 1 bytes"));
-  testTransferTotal(234, 4924, _("234 bytes of 4.8 KB"));
-  testTransferTotal(94923, 233923, _("92.7 of 228 KB"));
-  testTransferTotal(4924, 94923, _("4.8 of 92.7 KB"));
-  testTransferTotal(2342, 294960345, _("2.3 KB of 281 MB"));
-  testTransferTotal(234, undefined, _("234 bytes"));
-  testTransferTotal(4889023, undefined, _("4.7 MB"));
-
-  if (0) {
-    // Help find some interesting test cases
-    let r = () => Math.floor(Math.random() * 10);
-    for (let i = 0; i < 100; i++) {
-      testStatus(r(), r(), r());
-    }
-  }
-
-  // First, test with rates, via getDownloadStatus...
-  let statusFunc = DownloadUtils.getDownloadStatus.bind(DownloadUtils);
-
-  testStatus(statusFunc, 2, 1, 7, ["A few seconds remaining -- 2.3 of 2.4 KB (58 bytes/sec)", 1.724]);
-  testStatus(statusFunc, 1, 2, 6, ["A few seconds remaining -- 100 bytes of 2.4 KB (1.4 KB/sec)", 1.582]);
-  testStatus(statusFunc, 4, 3, 9, ["A few seconds remaining -- 959 KB of 1.0 MB (12.9 MB/sec)", 0.004]);
-  testStatus(statusFunc, 2, 3, 8, ["A few seconds remaining -- 2.3 of 56.5 KB (9.2 GB/sec)", 0.000]);
-
-  testStatus(statusFunc, 8, 4, 3, ["17 seconds remaining -- 9.2 of 9.2 GB (54.3 KB/sec)", 17.682]);
-  testStatus(statusFunc, 1, 3, 2, ["23 seconds remaining -- 100 bytes of 54.4 KB (2.3 KB/sec)", 23.691]);
-  testStatus(statusFunc, 9, 3, 2, ["23 seconds remaining -- 12.9 of 12.9 MB (2.3 KB/sec)", 23.691]);
-  testStatus(statusFunc, 5, 6, 7, ["25 seconds remaining -- 22.1 of 22.1 MB (58 bytes/sec)", 25.552]);
-
-  testStatus(statusFunc, 3, 9, 3, ["4 minutes remaining -- 54.3 KB of 12.9 MB (54.3 KB/sec)", 242.969]);
-  testStatus(statusFunc, 2, 3, 1, ["9 minutes remaining -- 2.3 of 56.5 KB (100 bytes/sec)", 555.550]);
-  testStatus(statusFunc, 4, 3, 7, ["15 minutes remaining -- 959 KB of 1.0 MB (58 bytes/sec)", 957.845]);
-  testStatus(statusFunc, 5, 3, 7, ["15 minutes remaining -- 22.1 of 22.2 MB (58 bytes/sec)", 957.845]);
-
-  testStatus(statusFunc, 1, 9, 2, ["1 hour, 35 minutes remaining -- 100 bytes of 12.9 MB (2.3 KB/sec)", 5756.133]);
-  testStatus(statusFunc, 2, 9, 6, ["2 hours, 31 minutes remaining -- 2.3 KB of 12.9 MB (1.4 KB/sec)", 9108.051]);
-  testStatus(statusFunc, 2, 4, 1, ["2 hours, 43 minutes remaining -- 2.3 of 962 KB (100 bytes/sec)", 9823.410]);
-  testStatus(statusFunc, 6, 4, 7, ["4 hours, 42 minutes remaining -- 1.4 of 961 KB (58 bytes/sec)", 16936.914]);
-
-  testStatus(statusFunc, 6, 9, 1, ["1 day, 13 hours remaining -- 1.4 KB of 12.9 MB (100 bytes/sec)", 134981.320]);
-  testStatus(statusFunc, 3, 8, 3, ["2 days, 1 hour remaining -- 54.3 KB of 9.2 GB (54.3 KB/sec)", 178596.872]);
-  testStatus(statusFunc, 1, 8, 6, ["77 days, 11 hours remaining -- 100 bytes of 9.2 GB (1.4 KB/sec)", 6694972.470]);
-  testStatus(statusFunc, 6, 8, 7, ["1979 days, 22 hours remaining -- 1.4 KB of 9.2 GB (58 bytes/sec)", 171068089.672]);
-
-  testStatus(statusFunc, 0, 0, 5, ["Unknown time remaining -- 0 of 0 bytes (22.1 MB/sec)", Infinity]);
-  testStatus(statusFunc, 0, 6, 0, ["Unknown time remaining -- 0 bytes of 1.4 KB (0 bytes/sec)", Infinity]);
-  testStatus(statusFunc, 6, 6, 0, ["Unknown time remaining -- 1.4 of 2.9 KB (0 bytes/sec)", Infinity]);
-  testStatus(statusFunc, 8, 5, 0, ["Unknown time remaining -- 9.2 of 9.3 GB (0 bytes/sec)", Infinity]);
-
-  // With rate equal to Infinity
-  testStatus(statusFunc, 0, 0, 10, ["Unknown time remaining -- 0 of 0 bytes (Really fast)", Infinity]);
-  testStatus(statusFunc, 1, 2, 10, ["A few seconds remaining -- 100 bytes of 2.4 KB (Really fast)", 0]);
-
-  // Now test without rates, via getDownloadStatusNoRate.
-  statusFunc = DownloadUtils.getDownloadStatusNoRate.bind(DownloadUtils);
-
-  testStatus(statusFunc, 2, 1, 7, ["A few seconds remaining -- 2.3 of 2.4 KB", 1.724]);
-  testStatus(statusFunc, 1, 2, 6, ["A few seconds remaining -- 100 bytes of 2.4 KB", 1.582]);
-  testStatus(statusFunc, 4, 3, 9, ["A few seconds remaining -- 959 KB of 1.0 MB", 0.004]);
-  testStatus(statusFunc, 2, 3, 8, ["A few seconds remaining -- 2.3 of 56.5 KB", 0.000]);
-
-  testStatus(statusFunc, 8, 4, 3, ["17 seconds remaining -- 9.2 of 9.2 GB", 17.682]);
-  testStatus(statusFunc, 1, 3, 2, ["23 seconds remaining -- 100 bytes of 54.4 KB", 23.691]);
-  testStatus(statusFunc, 9, 3, 2, ["23 seconds remaining -- 12.9 of 12.9 MB", 23.691]);
-  testStatus(statusFunc, 5, 6, 7, ["25 seconds remaining -- 22.1 of 22.1 MB", 25.552]);
-
-  testStatus(statusFunc, 3, 9, 3, ["4 minutes remaining -- 54.3 KB of 12.9 MB", 242.969]);
-  testStatus(statusFunc, 2, 3, 1, ["9 minutes remaining -- 2.3 of 56.5 KB", 555.550]);
-  testStatus(statusFunc, 4, 3, 7, ["15 minutes remaining -- 959 KB of 1.0 MB", 957.845]);
-  testStatus(statusFunc, 5, 3, 7, ["15 minutes remaining -- 22.1 of 22.2 MB", 957.845]);
-
-  testStatus(statusFunc, 1, 9, 2, ["1 hour, 35 minutes remaining -- 100 bytes of 12.9 MB", 5756.133]);
-  testStatus(statusFunc, 2, 9, 6, ["2 hours, 31 minutes remaining -- 2.3 KB of 12.9 MB", 9108.051]);
-  testStatus(statusFunc, 2, 4, 1, ["2 hours, 43 minutes remaining -- 2.3 of 962 KB", 9823.410]);
-  testStatus(statusFunc, 6, 4, 7, ["4 hours, 42 minutes remaining -- 1.4 of 961 KB", 16936.914]);
-
-  testStatus(statusFunc, 6, 9, 1, ["1 day, 13 hours remaining -- 1.4 KB of 12.9 MB", 134981.320]);
-  testStatus(statusFunc, 3, 8, 3, ["2 days, 1 hour remaining -- 54.3 KB of 9.2 GB", 178596.872]);
-  testStatus(statusFunc, 1, 8, 6, ["77 days, 11 hours remaining -- 100 bytes of 9.2 GB", 6694972.470]);
-  testStatus(statusFunc, 6, 8, 7, ["1979 days, 22 hours remaining -- 1.4 KB of 9.2 GB", 171068089.672]);
-
-  testStatus(statusFunc, 0, 0, 5, ["Unknown time remaining -- 0 of 0 bytes", Infinity]);
-  testStatus(statusFunc, 0, 6, 0, ["Unknown time remaining -- 0 bytes of 1.4 KB", Infinity]);
-  testStatus(statusFunc, 6, 6, 0, ["Unknown time remaining -- 1.4 of 2.9 KB", Infinity]);
-  testStatus(statusFunc, 8, 5, 0, ["Unknown time remaining -- 9.2 of 9.3 GB", Infinity]);
-
-  testURI("http://www.mozilla.org/", "mozilla.org", "www.mozilla.org");
-  testURI("http://www.city.mikasa.hokkaido.jp/", "city.mikasa.hokkaido.jp", "www.city.mikasa.hokkaido.jp");
-  testURI("data:text/html,Hello World", "data resource", "data resource");
-  testURI("jar:http://www.mozilla.com/file!/magic", "mozilla.com", "www.mozilla.com");
-  testURI("file:///C:/Cool/Stuff/", "local file", "local file");
-  // Don't test for moz-icon if we don't have a protocol handler for it (e.g. b2g):
-  if ("@mozilla.org/network/protocol;1?name=moz-icon" in Components.classes) {
-    testURI("moz-icon:file:///test.extension", "local file", "local file");
-    testURI("moz-icon://.extension", "moz-icon resource", "moz-icon resource");
-  }
-  testURI("about:config", "about resource", "about resource");
-  testURI("invalid.uri", "", "");
-
-  testAllGetReadableDates();
-}
diff --git a/toolkit/mozapps/downloads/tests/unit/test_lowMinutes.js b/toolkit/mozapps/downloads/tests/unit/test_lowMinutes.js
deleted file mode 100644
index 75eff3370..000000000
--- a/toolkit/mozapps/downloads/tests/unit/test_lowMinutes.js
+++ /dev/null
@@ -1,55 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
-* License, v. 2.0. If a copy of the MPL was not distributed with this
-* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-/**
- * Test bug 448344 to make sure when we're in low minutes, we show both minutes
- * and seconds; but continue to show only minutes when we have plenty.
- */
-
-Components.utils.import("resource://gre/modules/DownloadUtils.jsm");
-
-/**
- * Print some debug message to the console. All arguments will be printed,
- * separated by spaces.
- *
- * @param [arg0, arg1, arg2, ...]
- *        Any number of arguments to print out
- * @usage _("Hello World") -> prints "Hello World"
- * @usage _(1, 2, 3) -> prints "1 2 3"
- */
-var _ = function(some, debug, text, to) {
-  print(Array.slice(arguments).join(" "));
-};
-
-_("Make an array of time lefts and expected string to be shown for that time");
-var expectedTimes = [
-  [1.1, "A few seconds remaining", "under 4sec -> few"],
-  [2.5, "A few seconds remaining", "under 4sec -> few"],
-  [3.9, "A few seconds remaining", "under 4sec -> few"],
-  [5.3, "5 seconds remaining", "truncate seconds"],
-  [1.1 * 60, "1 minute, 6 seconds remaining", "under 4min -> show sec"],
-  [2.5 * 60, "2 minutes, 30 seconds remaining", "under 4min -> show sec"],
-  [3.9 * 60, "3 minutes, 54 seconds remaining", "under 4min -> show sec"],
-  [5.3 * 60, "5 minutes remaining", "over 4min -> only show min"],
-  [1.1 * 3600, "1 hour, 6 minutes remaining", "over 1hr -> show min/sec"],
-  [2.5 * 3600, "2 hours, 30 minutes remaining", "over 1hr -> show min/sec"],
-  [3.9 * 3600, "3 hours, 54 minutes remaining", "over 1hr -> show min/sec"],
-  [5.3 * 3600, "5 hours, 18 minutes remaining", "over 1hr -> show min/sec"],
-];
-_(expectedTimes.join("\n"));
-
-function run_test()
-{
-  expectedTimes.forEach(function([time, expectStatus, comment]) {
-    _("Running test with time", time);
-    _("Test comment:", comment);
-    let [status, last] = DownloadUtils.getTimeLeft(time);
-
-    _("Got status:", status, "last:", last);
-    _("Expecting..", expectStatus);
-    do_check_eq(status, expectStatus);
-
-    _();
-  });
-}
diff --git a/toolkit/mozapps/downloads/tests/unit/test_syncedDownloadUtils.js b/toolkit/mozapps/downloads/tests/unit/test_syncedDownloadUtils.js
deleted file mode 100644
index 86d810a9b..000000000
--- a/toolkit/mozapps/downloads/tests/unit/test_syncedDownloadUtils.js
+++ /dev/null
@@ -1,26 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-/**
- * Test bug 420482 by making sure multiple consumers of DownloadUtils gets the
- * same time remaining time if they provide the same time left but a different
- * "last time".
- */
-
-var Cu = Components.utils;
-Cu.import("resource://gre/modules/DownloadUtils.jsm");
-
-function run_test()
-{
-  // Simulate having multiple downloads requesting time left
-  let downloadTimes = {};
-  for (let time of [1, 30, 60, 3456, 9999])
-    downloadTimes[time] = DownloadUtils.getTimeLeft(time)[0];
-
-  // Pretend we're a download status bar also asking for a time left, but we're
-  // using a different "last sec". We need to make sure we get the same time.
-  let lastSec = 314;
-  for (let [time, text] of Object.entries(downloadTimes))
-    do_check_eq(DownloadUtils.getTimeLeft(time, lastSec)[0], text);
-}
diff --git a/toolkit/mozapps/downloads/tests/unit/test_unspecified_arguments.js b/toolkit/mozapps/downloads/tests/unit/test_unspecified_arguments.js
deleted file mode 100644
index 02e27c92c..000000000
--- a/toolkit/mozapps/downloads/tests/unit/test_unspecified_arguments.js
+++ /dev/null
@@ -1,25 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-/**
- * Make sure passing null and nothing to various variable-arg DownloadUtils
- * methods provide the same result.
- */
-
-var Cu = Components.utils;
-Cu.import("resource://gre/modules/DownloadUtils.jsm");
-
-function run_test()
-{
-  do_check_eq(DownloadUtils.getDownloadStatus(1000, null, null, null) + "",
-              DownloadUtils.getDownloadStatus(1000) + "");
-  do_check_eq(DownloadUtils.getDownloadStatus(1000, null, null) + "",
-              DownloadUtils.getDownloadStatus(1000, null) + "");
-
-  do_check_eq(DownloadUtils.getTransferTotal(1000, null) + "",
-              DownloadUtils.getTransferTotal(1000) + "");
-
-  do_check_eq(DownloadUtils.getTimeLeft(1000, null) + "",
-              DownloadUtils.getTimeLeft(1000) + "");
-}
diff --git a/toolkit/mozapps/downloads/tests/unit/xpcshell.ini b/toolkit/mozapps/downloads/tests/unit/xpcshell.ini
deleted file mode 100644
index 877816ef6..000000000
--- a/toolkit/mozapps/downloads/tests/unit/xpcshell.ini
+++ /dev/null
@@ -1,10 +0,0 @@
-[DEFAULT]
-head = head_downloads.js
-tail = 
-skip-if = toolkit == 'android'
-
-[test_DownloadPaths.js]
-[test_DownloadUtils.js]
-[test_lowMinutes.js]
-[test_syncedDownloadUtils.js]
-[test_unspecified_arguments.js]