Show device information in chrome://gcm-internals page.

chrome/browser/resources/gcm_internals.js

 // Copyright 2014 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.
 
-cr.define('gcminternals', function() {
+cr.define('gcm_internals', function() {
   'use strict';
 
+  /**
+   * Display device informations.
+   * @param {!Info[]} info A dictionary of device infos to be displayed.
+   */
+  function displayDeviceInfo(info) {
+    $('gcm-enabled').textContent = info.gcmEnabled;
+    $('user-signed-in').textContent = info.userSignedIn;
+    $('gcm-client-created').textContent = info.gcmClientCreated;
+    if (info.hasOwnProperty('gcmClientReady')) {
+      $('gcm-client-ready').textContent = info.gcmClientReady;
+    }
+  }
+
   function initialize() {
+    chrome.send('gcmInternalsGetInfo');
+  }
+
+  /**
+   * Callback function accepting a dictionary of info items to be displayed.
+   * @param {!Info[]} infos A dictionary of info items to be displayed.
+   */
+  function returnInfos(infos) {

[fgorski, 2014/02/26 23:38:19]

I think this method could be called: setGcmInternalsInfo or
sendGcmInternalsInfo.

[juyik, 2014/03/01 00:21:57]

Done.

+    if (infos.hasOwnProperty('deviceInfo')) {
+      displayDeviceInfo(infos.deviceInfo);
+    }
   }
 
   // Return an object with all of the exports.
   return {
     initialize: initialize,
+    returnInfos: returnInfos,
   };
 });
 
-document.addEventListener('DOMContentLoaded', gcminternals.initialize);
+document.addEventListener('DOMContentLoaded', gcm_internals.initialize);