--- a/browser/devtools/webconsole/test/Makefile.in
+++ b/browser/devtools/webconsole/test/Makefile.in
@@ -100,16 +100,17 @@ MOCHITEST_BROWSER_FILES = \
 	browser_webconsole_bug_663443_panel_title.js \
 	browser_webconsole_bug_660806_history_nav.js \
 	browser_webconsole_bug_651501_document_body_autocomplete.js \
 	browser_webconsole_bug_653531_highlighter_console_helper.js \
 	browser_webconsole_bug_659907_console_dir.js \
 	browser_webconsole_bug_664131_console_group.js \
 	browser_webconsole_bug_704295.js \
 	browser_webconsole_bug_658368_time_methods.js \
+	browser_webconsole_bug_764572_output_open_url.js \
 	browser_webconsole_bug_622303_persistent_filters.js \
 	browser_webconsole_window_zombie.js \
 	browser_cached_messages.js \
 	browser_bug664688_sandbox_update_after_navigation.js \
 	browser_webconsole_menustatus.js \
 	browser_result_format_as_string.js \
 	browser_webconsole_bug_737873_mixedcontent.js \
 	browser_output_breaks_after_console_dir_uninspectable.js \

new file mode 100644
--- /dev/null
+++ b/browser/devtools/webconsole/test/browser_webconsole_bug_764572_output_open_url.js
@@ -0,0 +1,226 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// This is a test for the Open URL context menu item
+// that is shown for network requests
+const TEST_URI = "http://example.com/browser/browser/devtools/webconsole/test/test-console.html"
+const COMMAND_NAME = "consoleCmd_openURL";
+const CONTEXT_MENU_ID = "#menu_openURL";
+
+let HUD = null, outputNode = null, contextMenu = null;
+
+function test() {
+  addTab(TEST_URI);
+  browser.addEventListener("load", function onLoad() {
+    browser.removeEventListener("load", onLoad, true);
+    openConsole(null, consoleOpened);
+  }, true);
+}
+
+function consoleOpened(aHud) {
+  HUD = aHud;
+  outputNode = aHud.outputNode;
+  contextMenu = HUD.iframeWindow.document.getElementById("output-contextmenu");
+
+  executeSoon(testOnNotNetActivity);
+}
+
+function testOnNotNetActivity() {
+  HUD.jsterm.clearOutput();
+
+  outputNode = HUD.outputNode;
+  let console = content.wrappedJSObject.console;
+  console.log("bug 764572");
+
+  testOnNotNetActivity_command();
+}
+function testOnNotNetActivity_command () {
+  waitForSuccess({
+    name: "show no net activity in console",
+    validatorFn: function () {
+      return outputNode.textContent.indexOf("bug 764572") > -1;
+    },
+    successFn: function () {
+      outputNode.focus();
+      outputNode.selectedItem = outputNode.querySelector(".webconsole-msg-log");
+
+      // check whether the command is disable
+      goUpdateCommand(COMMAND_NAME);
+      let controller = top.document.commandDispatcher.
+        getControllerForCommand(COMMAND_NAME);
+
+      let isDisabled = !controller || !controller.isCommandEnabled("consoleCmd_openURL");
+      ok(isDisabled, COMMAND_NAME + " should be disabled.");
+      executeSoon(testOnNotNetActivity_contextmenu);
+    },
+    failureFn: testOnNotNetActivity_contextmenu,
+  });
+}
+function testOnNotNetActivity_contextmenu() {
+  let target = outputNode.querySelector(".webconsole-msg-log");
+
+  outputNode.focus();
+  outputNode.selectedItem = target;
+
+  waitForOpenContextMenu(contextMenu, {
+    target: target,
+    successFn: function () {
+      let isHidden = contextMenu.querySelector(CONTEXT_MENU_ID).hidden;
+      ok(isHidden, CONTEXT_MENU_ID + "should be hidden.");
+
+      closeContextMenu(contextMenu);
+      executeSoon(testOnNetActivity);
+    },
+    failureFn: function(){
+      closeContextMenu(contextMenu);
+      executeSoon(testOnNetActivity);
+    },
+  });
+}
+
+function testOnNetActivity() {
+  HUD.jsterm.clearOutput();
+
+  // reload the url to show net activity in console.
+  content.location.reload();
+
+  testOnNetActivity_command();
+}
+
+function testOnNetActivity_command() {
+  waitForSuccess({
+    name: "show TEST_URI's net activity in console",
+    validatorFn: function () {
+      outputNode.focus();
+      outputNode.selectedItem = outputNode.querySelector(".webconsole-msg-network");
+
+      let item = outputNode.selectedItem;
+      return item && item.url;
+    },
+    successFn: function () {
+      outputNode.focus();
+
+      // set up the event handler for TabOpen
+      gBrowser.tabContainer.addEventListener("TabOpen", function onOpen(aEvent) {
+        gBrowser.tabContainer.removeEventListener("TabOpen", onOpen, true);
+
+        let tab = aEvent.target;
+        onTabOpen(tab);
+      }, true);
+
+      // check whether the command is enable
+      goUpdateCommand(COMMAND_NAME);
+      let controller = top.document.commandDispatcher.
+        getControllerForCommand(COMMAND_NAME);
+      ok(controller.isCommandEnabled("consoleCmd_openURL"), COMMAND_NAME + " should be enabled.");
+
+      // try to open url.
+      goDoCommand(COMMAND_NAME);
+    },
+    failureFn: testOnNetActivity_contextmenu,
+  });
+}
+
+// check TabOpen event
+function onTabOpen(aTab) {
+  waitForSuccess({
+    name: "complete to initialize the opening tab",
+    validatorFn: function()
+    {
+      // wait to complete initializing the opend tab.
+      let url = aTab.linkedBrowser.currentURI.spec;
+      return url === TEST_URI;
+    },
+    successFn: function()
+    {
+      gBrowser.removeTab(aTab);
+      executeSoon(testOnNetActivity_contextmenu);
+    },
+    failureFn: testOnNetActivity_contextmenu,
+  });
+}
+
+function testOnNetActivity_contextmenu() {
+  let target = outputNode.querySelector(".webconsole-msg-network");
+
+  outputNode.focus();
+  outputNode.selectedItem = target;
+
+  waitForOpenContextMenu(contextMenu, {
+    target: target,
+    successFn: function () {
+      let isShown = !contextMenu.querySelector(CONTEXT_MENU_ID).hidden;
+      ok(isShown, CONTEXT_MENU_ID + "should be shown.");
+
+      closeContextMenu(contextMenu);
+      executeSoon(finalizeTest);
+    },
+    failureFn: function(){
+      closeContextMenu(contextMenu);
+      executeSoon(finalizeTest);
+    },
+  });
+}
+
+function finalizeTest() {
+  HUD = null;
+  outputNode = null;
+  contextMenu = null
+  finishTest();
+}
+
+/**
+ * Polls a given function waiting for opening context menu.
+ *
+ * @Param {nsIDOMElement} aContextMenu
+ * @param object aOptions
+ *        Options object with the following properties:
+ *        - successFn
+ *        A function called if opening the given context menu - success to return.
+ *        - failureFn
+ *        A function called if not opening the given context menu - fails to return.
+ *        - target
+ *        The target element for showing a context menu.
+ *        - timeout
+ *        Timeout for popup shown, in milliseconds. Default is 5000.
+ */
+function waitForOpenContextMenu(aContextMenu, aOptions) {
+  let start = Date.now();
+  let timeout = aOptions.timeout || 5000;
+  let targetElement = aOptions.target;
+
+  if (!aContextMenu) {
+    ok(false, "Can't get a context menu.");
+    aOptions.failureFn();
+    return;
+  }
+  if (!targetElement) {
+    ok(false, "Can't get a target element.");
+    aOptions.failureFn();
+    return;
+  }
+
+  function onPopupShown() {
+    aContextMenu.removeEventListener("popupshown", onPopupShown);
+    clearTimeout(onTimeout);
+    aOptions.successFn();
+  }
+
+
+  aContextMenu.addEventListener("popupshown", onPopupShown);
+
+  let onTimeout = setTimeout(function(){
+    aContextMenu.removeEventListener("popupshown", onPopupShown);
+    aOptions.failureFn();
+  }, timeout);
+
+  // open a context menu.
+  let eventDetails = { type : "contextmenu", button : 2};
+  EventUtils.synthesizeMouse(targetElement, 2, 2,
+                             eventDetails, targetElement.ownerDocument.defaultView);
+}
+
+function closeContextMenu (aContextMenu) {
+  aContextMenu.hidePopup();
+}

--- a/browser/devtools/webconsole/webconsole.js
+++ b/browser/devtools/webconsole/webconsole.js
@@ -1301,16 +1301,17 @@ WebConsoleFrame.prototype = {
     linkNode.appendChild(statusNode);
 
     let clipboardText = request.method + " " + request.url;
 
     let messageNode = this.createMessageNode(CATEGORY_NETWORK, severity,
                                              msgNode, null, null, clipboardText);
 
     messageNode._connectionId = entry.connection;
+    messageNode.url = request.url;
 
     this.makeOutputMessageLink(messageNode, function WCF_net_message_link() {
       if (!messageNode._panelOpen) {
         this.openNetworkPanel(messageNode, networkInfo.httpActivity);
       }
     }.bind(this));
 
     networkInfo.node = messageNode;
@@ -2302,16 +2303,30 @@ WebConsoleFrame.prototype = {
         strings.push("[" + timestampString + "] " + item.clipboardText);
       }
     }
 
     clipboardHelper.copyString(strings.join("\n"), this.document);
   },
 
   /**
+   * Open the selected item's URL in a new tab.
+   */
+  openSelectedItemInTab: function WCF_openSelectedItemInTab()
+  {
+    let item = this.outputNode.selectedItem;
+
+    if (!item || !item.url) {
+      return;
+    }
+
+    this.owner.openLink(item.url);
+  },
+
+  /**
    * Destroy the HUD object. Call this method to avoid memory leaks when the Web
    * Console is closed.
    */
   destroy: function WCF_destroy()
   {
     if (this.jsterm) {
       this.jsterm.destroy();
     }
@@ -3436,41 +3451,57 @@ CommandController.prototype = {
   /**
    * Selects all the text in the HUD output.
    */
   selectAll: function CommandController_selectAll()
   {
     this.owner.outputNode.selectAll();
   },
 
+  /**
+   * Open the URL of the selected message in a new tab.
+   */
+  openURL: function CommandController_openURL()
+  {
+    this.owner.openSelectedItemInTab();
+  },
+
   supportsCommand: function CommandController_supportsCommand(aCommand)
   {
     return this.isCommandEnabled(aCommand);
   },
 
   isCommandEnabled: function CommandController_isCommandEnabled(aCommand)
   {
     switch (aCommand) {
       case "cmd_copy":
         // Only enable "copy" if nodes are selected.
         return this.owner.outputNode.selectedCount > 0;
+      case "consoleCmd_openURL": {
+        // Only enable "open url" if node is Net Activity.
+        let selectedItem = this.owner.outputNode.selectedItem;
+        return selectedItem && selectedItem.url;
+      }
       case "cmd_fontSizeEnlarge":
       case "cmd_fontSizeReduce":
       case "cmd_fontSizeReset":
       case "cmd_selectAll":
         return true;
     }
   },
 
   doCommand: function CommandController_doCommand(aCommand)
   {
     switch (aCommand) {
       case "cmd_copy":
         this.copy();
         break;
+      case "consoleCmd_openURL":
+        this.openURL();
+        break;
       case "cmd_selectAll":
         this.selectAll();
         break;
       case "cmd_fontSizeEnlarge":
         this.owner.changeFontSize("+");
         break;
       case "cmd_fontSizeReduce":
         this.owner.changeFontSize("-");
@@ -3483,8 +3514,119 @@ CommandController.prototype = {
 };
 
 function gSequenceId()
 {
   return gSequenceId.n++;
 }
 gSequenceId.n = 0;
 
+
+function goUpdateConsoleCommands() {
+  goUpdateCommand("consoleCmd_openURL");
+}
+
+
+
+///////////////////////////////////////////////////////////////////////////////
+// Context Menu
+///////////////////////////////////////////////////////////////////////////////
+
+const CONTEXTMENU_ID = "output-contextmenu";
+
+/*
+ * ConsoleContextMenu: This handle to show/hide a context menu item.
+ */
+let ConsoleContextMenu = {
+  /*
+   * Handle to show/hide context menu item.
+   *
+   * @param nsIDOMEvent aEvent
+   */
+  build: function CCM_build(aEvent)
+  {
+    let popup = aEvent.target;
+    if (popup.id !== CONTEXTMENU_ID) {
+      return;
+    }
+
+    let view = document.querySelector(".hud-output-node");
+    let metadata = this.getSelectionMetadata(view);
+
+    for (let i = 0, l = popup.childNodes.length; i < l; ++i) {
+      let element = popup.childNodes[i];
+      element.hidden = this.shouldHideMenuItem(element, metadata);
+    }
+  },
+
+  /*
+   * Get selection information from the view.
+   *
+   * @param nsIDOMElement aView
+   *        This should be <xul:richlistbox>.
+   *
+   * @return object
+   *         Selection metadata.
+   */
+  getSelectionMetadata: function CCM_getSelectionMetadata(aView)
+  {
+    let metadata = {
+      selectionType: "",
+      selection: new Set(),
+    };
+    let selectedItems = aView.selectedItems;
+
+    metadata.selectionType = (selectedItems > 1) ? "multiple" : "single";
+
+    let selection = metadata.selection;
+    for (let item of selectedItems) {
+      switch (item.category) {
+        case CATEGORY_NETWORK:
+          selection.add("network");
+          break;
+        case CATEGORY_CSS:
+          selection.add("css");
+          break;
+        case CATEGORY_JS:
+          selection.add("js");
+          break;
+        case CATEGORY_WEBDEV:
+          selection.add("webdev");
+          break;
+      }
+    }
+
+    return metadata;
+  },
+
+  /*
+   * Determine if an item should be hidden.
+   *
+   * @param nsIDOMElement aMenuItem
+   * @param object aMetadata
+   * @return boolean
+   *         Whether the given item should be hidden or not.
+   */
+  shouldHideMenuItem: function CCM_shouldHideMenuItem(aMenuItem, aMetadata)
+  {
+    let selectionType = aMenuItem.getAttribute("selectiontype");
+    if (selectionType && !aMetadata.selectionType == selectionType) {
+      return true;
+    }
+
+    let selection = aMenuItem.getAttribute("selection");
+    if (!selection) {
+      return false;
+    }
+
+    let shouldHide = true;
+    let itemData = selection.split("|");
+    for (let type of aMetadata.selection) {
+      // check whether this menu item should show or not.
+      if (itemData.indexOf(type) !== -1) {
+        shouldHide = false;
+        break;
+      }
+    }
+
+    return shouldHide;
+  },
+};

--- a/browser/devtools/webconsole/webconsole.xul
+++ b/browser/devtools/webconsole/webconsole.xul
@@ -16,36 +16,45 @@
         title="&window.title;"
         windowtype="devtools:webconsole"
         persist="screenX screenY width height sizemode">
   <script type="text/javascript" src="chrome://global/content/globalOverlay.js"/>
   <script type="text/javascript" src="webconsole.js"/>
 
   <commandset id="editMenuCommands"/>
 
-  <commandset>
+  <commandset id="consoleCommands"
+              commandupdater="true"
+              events="richlistbox-select"
+              oncommandupdate="goUpdateConsoleCommands();">
+    <command id="consoleCmd_openURL"
+             oncommand="goDoCommand('consoleCmd_openURL');"/>
     <command id="cmd_fullZoomEnlarge" oncommand="goDoCommand('cmd_fontSizeEnlarge');"/>
     <command id="cmd_fullZoomReduce" oncommand="goDoCommand('cmd_fontSizeReduce');"/>
     <command id="cmd_fullZoomReset" oncommand="goDoCommand('cmd_fontSizeReset');"/>
   </commandset>
   <keyset id="fontSizeChangeSet">
     <key id="key_fullZoomReduce"  key="&fullZoomReduceCmd.commandkey;" command="cmd_fullZoomReduce"  modifiers="accel"/>
     <key key="&fullZoomReduceCmd.commandkey2;"  command="cmd_fullZoomReduce" modifiers="accel"/>
     <key id="key_fullZoomEnlarge" key="&fullZoomEnlargeCmd.commandkey;" command="cmd_fullZoomEnlarge" modifiers="accel"/>
     <key key="&fullZoomEnlargeCmd.commandkey2;" command="cmd_fullZoomEnlarge" modifiers="accel"/>
     <key key="&fullZoomEnlargeCmd.commandkey3;" command="cmd_fullZoomEnlarge" modifiers="accel"/>
     <key id="key_fullZoomReset" key="&fullZoomResetCmd.commandkey;" command="cmd_fullZoomReset" modifiers="accel"/>
     <key key="&fullZoomResetCmd.commandkey2;" command="cmd_fullZoomReset" modifiers="accel"/>
   </keyset>
   <keyset id="editMenuKeys"/>
 
   <popupset id="mainPopupSet">
-    <menupopup id="output-contextmenu">
+    <menupopup id="output-contextmenu"
+               onpopupshowing="ConsoleContextMenu.build(event);">
       <menuitem id="saveBodiesContextMenu" type="checkbox" label="&saveBodies.label;"
                 accesskey="&saveBodies.accesskey;"/>
+      <menuitem id="menu_openURL" label="&openURL.label;"
+                accesskey="&openURL.accesskey;" command="consoleCmd_openURL"
+                selection="network" selectionType="single"/>
       <menuitem id="menu_copy"/>
       <menuitem id="menu_selectAll"/>
     </menupopup>
   </popupset>
 
   <vbox class="hud-outer-wrapper" flex="1">
     <vbox class="hud-console-wrapper" flex="1">
       <toolbar class="hud-console-filter-toolbar devtools-toolbar" mode="full">

--- a/browser/locales/en-US/chrome/browser/devtools/webConsole.dtd
+++ b/browser/locales/en-US/chrome/browser/devtools/webConsole.dtd
@@ -27,16 +27,21 @@
 <!ENTITY networkPanel.responseImage               "Received Image">
 <!ENTITY networkPanel.responseImageCached         "Cached Image">
 
 <!-- LOCALIZATION NOTE (saveBodies.label): You can see this string in the Web
    - Console context menu. -->
 <!ENTITY saveBodies.label     "Log Request and Response Bodies">
 <!ENTITY saveBodies.accesskey "L">
 
+<!-- LOCALIZATION NOTE (openURL.label): You can see this string in the Web
+   - Console context menu. -->
+<!ENTITY openURL.label     "Open URL in New Tab">
+<!ENTITY openURL.accesskey "T">
+
 <!-- LOCALIZATION NOTE (btnPageNet.label): This string is used for the menu
   -  button that allows users to toggle the network logging output.
   -  This string and the following strings toggle various kinds of output
   -  filters. -->
 <!ENTITY btnPageNet.label   "Net">
 <!ENTITY btnPageNet.tooltip "Log network access">
 <!ENTITY btnPageCSS.label   "CSS">
 <!ENTITY btnPageCSS.tooltip "Log CSS parsing errors">

--- a/toolkit/mozapps/extensions/AddonManager.jsm
+++ b/toolkit/mozapps/extensions/AddonManager.jsm
@@ -1927,87 +1927,139 @@ var AddonManagerInternal = {
       if (this.typeListeners[pos] == aListener)
         this.typeListeners.splice(pos, 1);
       else
         pos++;
     }
   },
 
   get addonTypes() {
+    if (!gStarted)
+      throw Components.Exception("AddonManager is not initialized",
+                                 Cr.NS_ERROR_NOT_INITIALIZED);
+
     return this.typesProxy;
   },
 
   get autoUpdateDefault() {
+    if (!gStarted)
+      throw Components.Exception("AddonManager is not initialized",
+                                 Cr.NS_ERROR_NOT_INITIALIZED);
+
     return gAutoUpdateDefault;
   },
 
   set autoUpdateDefault(aValue) {
+    if (!gStarted)
+      throw Components.Exception("AddonManager is not initialized",
+                                 Cr.NS_ERROR_NOT_INITIALIZED);
+
     aValue = !!aValue;
     if (aValue != gAutoUpdateDefault)
       Services.prefs.setBoolPref(PREF_EM_AUTOUPDATE_DEFAULT, aValue);
     return aValue;
   },
 
   get checkCompatibility() {
+    if (!gStarted)
+      throw Components.Exception("AddonManager is not initialized",
+                                 Cr.NS_ERROR_NOT_INITIALIZED);
+
     return gCheckCompatibility;
   },
 
   set checkCompatibility(aValue) {
+    if (!gStarted)
+      throw Components.Exception("AddonManager is not initialized",
+                                 Cr.NS_ERROR_NOT_INITIALIZED);
+
     aValue = !!aValue;
     if (aValue != gCheckCompatibility) {
       if (!aValue)
         Services.prefs.setBoolPref(PREF_EM_CHECK_COMPATIBILITY, false);
       else
         Services.prefs.clearUserPref(PREF_EM_CHECK_COMPATIBILITY);
     }
     return aValue;
   },
 
   get strictCompatibility() {
+    if (!gStarted)
+      throw Components.Exception("AddonManager is not initialized",
+                                 Cr.NS_ERROR_NOT_INITIALIZED);
+
     return gStrictCompatibility;
   },
 
   set strictCompatibility(aValue) {
+    if (!gStarted)
+      throw Components.Exception("AddonManager is not initialized",
+                                 Cr.NS_ERROR_NOT_INITIALIZED);
+
     aValue = !!aValue;
     if (aValue != gStrictCompatibility)
       Services.prefs.setBoolPref(PREF_EM_STRICT_COMPATIBILITY, aValue);
     return aValue;
   },
 
   get checkUpdateSecurityDefault() {
+    if (!gStarted)
+      throw Components.Exception("AddonManager is not initialized",
+                                 Cr.NS_ERROR_NOT_INITIALIZED);
+
     return gCheckUpdateSecurityDefault;
   },
 
   get checkUpdateSecurity() {
+    if (!gStarted)
+      throw Components.Exception("AddonManager is not initialized",
+                                 Cr.NS_ERROR_NOT_INITIALIZED);
+
     return gCheckUpdateSecurity;
   },
 
   set checkUpdateSecurity(aValue) {
+    if (!gStarted)
+      throw Components.Exception("AddonManager is not initialized",
+                                 Cr.NS_ERROR_NOT_INITIALIZED);
+
     aValue = !!aValue;
     if (aValue != gCheckUpdateSecurity) {
       if (aValue != gCheckUpdateSecurityDefault)
         Services.prefs.setBoolPref(PREF_EM_CHECK_UPDATE_SECURITY, aValue);
       else
         Services.prefs.clearUserPref(PREF_EM_CHECK_UPDATE_SECURITY);
     }
     return aValue;
   },
 
   get updateEnabled() {
+    if (!gStarted)
+      throw Components.Exception("AddonManager is not initialized",
+                                 Cr.NS_ERROR_NOT_INITIALIZED);
+
     return gUpdateEnabled;
   },
 
   set updateEnabled(aValue) {
+    if (!gStarted)
+      throw Components.Exception("AddonManager is not initialized",
+                                 Cr.NS_ERROR_NOT_INITIALIZED);
+
     aValue = !!aValue;
     if (aValue != gUpdateEnabled)
       Services.prefs.setBoolPref(PREF_EM_UPDATE_ENABLED, aValue);
     return aValue;
   },
 
   get hotfixID() {
+    if (!gStarted)
+      throw Components.Exception("AddonManager is not initialized",
+                                 Cr.NS_ERROR_NOT_INITIALIZED);
+
     return gHotfixID;
   },
 };
 
 /**
  * Should not be used outside of core Mozilla code. This is a private API for
  * the startup and platform integration code to use. Refer to the methods on
  * AddonManagerInternal for documentation however note that these methods are
@@ -2335,16 +2387,20 @@ var AddonManager = {
   /**
    * Determines whether an Addon should auto-update or not.
    *
    * @param  aAddon
    *         The Addon representing the add-on
    * @return true if the addon should auto-update, false otherwise.
    */
   shouldAutoUpdate: function AM_shouldAutoUpdate(aAddon) {
+    if (!gStarted)
+      throw Components.Exception("AddonManager is not initialized",
+                                 Cr.NS_ERROR_NOT_INITIALIZED);
+
     if (!aAddon || typeof aAddon != "object")
       throw Components.Exception("aAddon must be specified",
                                  Cr.NS_ERROR_INVALID_ARG);
     
     if (!("applyBackgroundUpdates" in aAddon))
       return false;
     if (aAddon.applyBackgroundUpdates == AddonManager.AUTOUPDATE_ENABLE)
       return true;

--- a/toolkit/mozapps/extensions/test/xpcshell/test_shutdown.js
+++ b/toolkit/mozapps/extensions/test/xpcshell/test_shutdown.js
@@ -1,60 +1,78 @@
 /* Any copyright is dedicated to the Public Domain.
  * http://creativecommons.org/publicdomain/zero/1.0/
  */
 
 // Verify that API functions fail if the Add-ons Manager isn't initialised.
 
-const IGNORE = ["escapeAddonURI", "shouldAutoUpdate", "getStartupChanges",
-                "addTypeListener", "removeTypeListener",
-                "addAddonListener", "removeAddonListener",
-                "addInstallListener", "removeInstallListener",
-                "addManagerListener", "removeManagerListener"];
+const IGNORE = {
+  funcs: ["escapeAddonURI", "getStartupChanges", "addTypeListener",
+          "removeTypeListener", "addAddonListener", "removeAddonListener",
+          "addInstallListener", "removeInstallListener", "addManagerListener",
+          "removeManagerListener"],
+  getters: ["__AddonManagerInternal__"],
+  setters: []
+};
 
-const IGNORE_PRIVATE = ["AddonAuthor", "AddonCompatibilityOverride",
-                        "AddonScreenshot", "AddonType", "startup", "shutdown",
-                        "registerProvider", "unregisterProvider",
-                        "addStartupChange", "removeStartupChange"];
+const IGNORE_PRIVATE = {
+  funcs: ["AddonAuthor", "AddonCompatibilityOverride", "AddonScreenshot",
+          "AddonType", "startup", "shutdown", "registerProvider",
+          "unregisterProvider", "addStartupChange", "removeStartupChange"],
+  getters: [],
+  setters: []
+};
+
 
-function test_functions() {
-  for (let prop in AddonManager) {
-    if (typeof AddonManager[prop] != "function")
-      continue;
-    if (IGNORE.indexOf(prop) != -1)
-      continue;
+function test_functions(aObjName, aIgnore) {
+  let obj = this[aObjName];
+  for (let prop in obj) {
+    let desc = Object.getOwnPropertyDescriptor(obj, prop);
+
+    if (typeof desc.value == "function") {
+      if (aIgnore.funcs.indexOf(prop) != -1)
+        continue;
 
-    try {
-      do_print("AddonManager." + prop);
-      AddonManager[prop]();
-      do_throw(prop + " did not throw an exception");
-    }
-    catch (e) {
-      if (e.result != Components.results.NS_ERROR_NOT_INITIALIZED)
-        do_throw(prop + " threw an unexpected exception: " + e);
-    }
-  }
-
-  for (let prop in AddonManagerPrivate) {
-    if (typeof AddonManagerPrivate[prop] != "function")
-      continue;
-    if (IGNORE_PRIVATE.indexOf(prop) != -1)
-      continue;
-
-    try {
-      do_print("AddonManagerPrivate." + prop);
-      AddonManagerPrivate[prop]();
-      do_throw(prop + " did not throw an exception");
-    }
-    catch (e) {
-      if (e.result != Components.results.NS_ERROR_NOT_INITIALIZED)
-        do_throw(prop + " threw an unexpected exception: " + e);
+      try {
+        do_print(aObjName + "." + prop + "()");
+        obj[prop]();
+        do_throw(prop + " did not throw an exception");
+      }
+      catch (e) {
+        if (e.result != Components.results.NS_ERROR_NOT_INITIALIZED)
+          do_throw(prop + " threw an unexpected exception: " + e);
+      }
+    } else {
+      if (typeof desc.get == "function" && aIgnore.getters.indexOf(prop) == -1) {
+        do_print(aObjName + "." + prop + " getter");
+        try {
+          let temp = obj[prop];
+          do_throw(prop + " did not throw an exception");
+        }
+        catch (e) {
+          if (e.result != Components.results.NS_ERROR_NOT_INITIALIZED)
+            do_throw(prop + " threw an unexpected exception: " + e);
+        }
+      }
+      if (typeof desc.set == "function" && aIgnore.setters.indexOf(prop) == -1) {
+        do_print(aObjName + "." + prop + " setter");
+        try {
+          obj[prop] = "i am the walrus";
+          do_throw(prop + " did not throw an exception");
+        }
+        catch (e) {
+          if (e.result != Components.results.NS_ERROR_NOT_INITIALIZED)
+            do_throw(prop + " threw an unexpected exception: " + e);
+        }
+      }
     }
   }
 }
 
 function run_test() {
   createAppInfo("xpcshell@tests.mozilla.org", "XPCShell", "1", "1.9.2");
-  test_functions();
+  test_functions("AddonManager", IGNORE);
+  test_functions("AddonManagerPrivate", IGNORE_PRIVATE);
   startupManager();
   shutdownManager();
-  test_functions();
+  test_functions("AddonManager", IGNORE);
+  test_functions("AddonManagerPrivate", IGNORE_PRIVATE);
 }

--- a/toolkit/mozapps/extensions/test/xpcshell/test_updatecheck.js
+++ b/toolkit/mozapps/extensions/test/xpcshell/test_updatecheck.js
@@ -13,16 +13,17 @@ function run_test() {
   createAppInfo("xpcshell@tests.mozilla.org", "XPCShell", "1", "1.9.2");
 
   // Create and configure the HTTP server.
   testserver = new HttpServer();
   testserver.registerDirectory("/data/", do_get_file("data"));
   testserver.start(4444);
 
   do_test_pending();
+  startupManager();
   run_test_1();
 }
 
 function end_test() {
   testserver.stop(do_test_finished);
 }
 
 // Test that a basic update check returns the expected available updates