diff -r 000000000000 -r 6474c204b198 mobile/android/chrome/content/dbg-browser-actors.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mobile/android/chrome/content/dbg-browser-actors.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,64 @@
+/* -*- 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/. */
+
+"use strict";
+/**
+ * Fennec-specific actors.
+ */
+
+/**
+ * Construct a root actor appropriate for use in a server running in a
+ * browser on Android. The returned root actor:
+ * - respects the factories registered with DebuggerServer.addGlobalActor,
+ * - uses a MobileTabList to supply tab actors,
+ * - sends all navigator:browser window documents a Debugger:Shutdown event
+ *   when it exits.
+ *
+ * * @param aConnection DebuggerServerConnection
+ *        The conection to the client.
+ */
+function createRootActor(aConnection)
+{
+  let parameters = {
+    tabList: new MobileTabList(aConnection),
+    addonList: new BrowserAddonList(aConnection),
+    globalActorFactories: DebuggerServer.globalActorFactories,
+    onShutdown: sendShutdownEvent
+  };
+  return new RootActor(aConnection, parameters);
+}
+
+/**
+ * A live list of BrowserTabActors representing the current browser tabs,
+ * to be provided to the root actor to answer 'listTabs' requests.
+ *
+ * This object also takes care of listening for TabClose events and
+ * onCloseWindow notifications, and exiting the BrowserTabActors concerned.
+ *
+ * (See the documentation for RootActor for the definition of the "live
+ * list" interface.)
+ *
+ * @param aConnection DebuggerServerConnection
+ *     The connection in which this list's tab actors may participate.
+ *
+ * @see BrowserTabList for more a extensive description of how tab list objects
+ *      work.
+ */
+function MobileTabList(aConnection)
+{
+  BrowserTabList.call(this, aConnection);
+}
+
+MobileTabList.prototype = Object.create(BrowserTabList.prototype);
+
+MobileTabList.prototype.constructor = MobileTabList;
+
+MobileTabList.prototype._getSelectedBrowser = function(aWindow) {
+  return aWindow.BrowserApp.selectedBrowser;
+};
+
+MobileTabList.prototype._getChildren = function(aWindow) {
+  return aWindow.BrowserApp.tabs.map(tab => tab.browser);
+};