Fix OAuth "trampoline" content script to send a message with the oauth results rather than using a …

remoting/webapp/cs_oauth2_trampoline.js

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // For open-source builds, the redirect URL ends in /dev. For official builds,
 // it ends in /rel/{extension-id}. This distinction is handled by the manifest;
 // all we have to do here is check the extension id in the case that there is
 // one, to allow the official beta and dev channels to co-exist.
 
 var extensionId = chrome.i18n.getMessage('@@extension_id');
 var officialPath = '/talkgadget/oauth/chrome-remote-desktop/rel/' + extensionId;
 var unofficialPath = '/talkgadget/oauth/chrome-remote-desktop/dev';
 
 if (window.location.pathname == officialPath ||
     window.location.pathname == unofficialPath) {
-  window.location.replace(
-      chrome.extension.getURL('oauth2_callback.html') + window.location.search);
+  var query = window.location.search.substring(1);
+  var parts = query.split('&');
+  var queryArgs = {};
+  for (var i = 0; i < parts.length; i++) {
+    var pair = parts[i].split('=');
+    queryArgs[decodeURIComponent(pair[0])] = decodeURIComponent(pair[1]);
+  }
+
+  chrome.extension.sendMessage(queryArgs);
+  window.close();
 }