2 * Copyright (c) 2012 The Chromium Authors. All rights reserved. Use of this
3 * source code is governed by a BSD-style license that can be found in the
6 <script src="../common/common.js"></script>
7 <div style="display:none" id="pageToScriptTunnel"></div>
8 <div style="display:none" id="scriptToPageTunnel"></div>
11 window.onload = function() {
13 var backgroundWindow = window.open('bg.html', 'bg', 'background');
14 if (backgroundWindow) {
15 notifyBackgroundWindowNotNull();
19 function notifyBackgroundWindowNotNull() {
20 pageToScriptTunnel.innerText = JSON.stringify(messageData(arguments));
21 pageToScriptTunnel.dispatchEvent(scriptMessageEvent);