diff -r 000000000000 -r 6474c204b198 toolkit/devtools/server/dbg-server.jsm
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/devtools/server/dbg-server.jsm	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,25 @@
+/* -*- Mode: javascript; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* 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";
+/**
+ * Loads the remote debugging protocol code into a sandbox, in order to
+ * shield it from the debuggee. This way, when debugging chrome globals,
+ * debugger and debuggee will be in separate compartments.
+ */
+
+const Ci = Components.interfaces;
+const Cc = Components.classes;
+const Cu = Components.utils;
+
+const { devtools } = Cu.import("resource://gre/modules/devtools/Loader.jsm", {});
+
+this.EXPORTED_SYMBOLS = ["DebuggerServer", "ActorPool"];
+
+let server = devtools.require("devtools/server/main");
+
+this.DebuggerServer = server.DebuggerServer;
+this.ActorPool = server.ActorPool;