Support hotwording on google.com and the new tab page.

chrome/browser/resources/hotword/audio_client.js

 // Copyright (c) 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.
 
 'use strict';
 
 /**
  * @fileoverview This is the audio client content script injected into eligible
  *  Google.com and New tab pages for interaction between the Webpage and the
  *  Hotword extension.
@@ skipping 72 matching lines @@
     NO_HOTWORD_STARTED_UI: 'ac2',
     NO_HOTWORD_TIMEOUT_UI: 'ac3',
     NO_HOTWORD_ERROR_UI: 'ac4'
   };
 
 
   /**
    * @const {string}
    * @private
    */
-  AudioClient.HOTWORD_EXTENSION_ID_ = 'bepbmhgboaologfdajaanbcjmnhjmhfn';
+  AudioClient.HOTWORD_EXTENSION_ID_ = 'nbpagnldghgfoolbancepceaanlmhfmd';
 
 
   /**
    * Number of times to retry checking a transient error.
    * @const {number}
    * @private
    */
   AudioClient.MAX_RETRIES = 3;
 
 
@@ skipping 274 matching lines @@
         this.handleCommandFromExtension_.bind(this));
 
     if (this.speechActive_)
       this.sendCommandToExtension_(AudioClient.CommandFromPage.SPEECH_START);
   };
 
 
   // Initializes as soon as the code is ready, do not wait for the page.
   new AudioClient().initialize();
 })();