diff -r 000000000000 -r 6474c204b198 tools/quitter/contentscript.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/quitter/contentscript.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,38 @@
+/* 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 Ci = Components.interfaces;
+var Cc = Components.classes;
+
+function Quitter() {
+}
+
+Quitter.prototype = {
+  toString: function() { return "[Quitter]"; },
+  quit: function() {
+    sendSyncMessage('Quitter.Quit', {});
+  },
+  __exposedProps__: {
+    'toString': 'r',
+    'quit': 'r'
+  }
+};
+
+// This is a frame script, so it may be running in a content process.
+// In any event, it is targeted at a specific "tab", so we listen for
+// the DOMWindowCreated event to be notified about content windows
+// being created in this context.
+
+function QuitterManager() {
+  addEventListener("DOMWindowCreated", this, false);
+}
+
+QuitterManager.prototype = {
+  handleEvent: function handleEvent(aEvent) {
+    var window = aEvent.target.defaultView;
+    window.wrappedJSObject.Quitter = new Quitter(window);
+  }
+};
+
+var quittermanager = new QuitterManager();