diff -r 000000000000 -r 6474c204b198 browser/metro/components/AlertsService.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/metro/components/AlertsService.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,54 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+const Ci = Components.interfaces;
+const Cu = Components.utils;
+
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
+Cu.import("resource://gre/modules/Services.jsm");
+
+// -----------------------------------------------------------------------
+// Alerts Service
+// -----------------------------------------------------------------------
+
+function AlertsService() { }
+
+AlertsService.prototype = {
+  classID: Components.ID("{fe33c107-82a4-41d6-8c64-5353267e04c9}"),
+  QueryInterface: XPCOMUtils.generateQI([Ci.nsIAlertsService]),
+
+  showAlertNotification: function(aImageUrl, aTitle, aText, aTextClickable,
+                                  aCookie, aAlertListener, aName, aDir, aLang) {
+    let browser = Services.wm.getMostRecentWindow("navigator:browser");
+    try {
+      browser.AlertsHelper.showAlertNotification(aImageUrl, aTitle, aText, aTextClickable, aCookie, aAlertListener);
+    } catch (ex) {
+      let chromeWin = this._getChromeWindow(browser).wrappedJSObject;
+      let notificationBox = chromeWin.Browser.getNotificationBox();
+      notificationBox.appendNotification(aTitle,
+                                         aText,
+                                         aImageUrl,
+                                         notificationBox.PRIORITY_WARNING_MEDIUM,
+                                         null);
+    }
+  },
+
+  closeAlert: function(aName) {
+    let browser = Services.wm.getMostRecentWindow("navigator:browser");
+    browser.AlertsHelper.closeAlert();
+  },
+
+  _getChromeWindow: function (aWindow) {
+      let chromeWin = aWindow.QueryInterface(Ci.nsIInterfaceRequestor)
+                            .getInterface(Ci.nsIWebNavigation)
+                            .QueryInterface(Ci.nsIDocShellTreeItem)
+                            .rootTreeItem
+                            .QueryInterface(Ci.nsIInterfaceRequestor)
+                            .getInterface(Ci.nsIDOMWindow)
+                            .QueryInterface(Ci.nsIDOMChromeWindow);
+     return chromeWin;
+  }
+};
+
+this.NSGetFactory = XPCOMUtils.generateNSGetFactory([AlertsService]);