Adds a Training Manager to the hotword extension.

chrome/browser/resources/hotword/base_session_manager.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('hotword', function() {
   'use strict';
 
   /**
    * Base class for managing hotwording sessions.
    * @param {!hotword.StateManager} stateManager Manager of global hotwording
@@ skipping 51 matching lines @@
     /**
      * Starts a launcher hotwording session.
      * @private
      */
     startSession_: function() {
       this.stateManager.startSession(
           this.sessionSource_,
           function() {
             chrome.hotwordPrivate.setHotwordSessionState(true, function() {});
           },
-          this.handleHotwordTrigger_.bind(this));
+          this.handleHotwordTrigger.bind(this));
     },
 
     /**
      * Stops a launcher hotwording session.
      * @private
      */
     stopSession_: function() {
       this.stateManager.stopSession(this.sessionSource_);
       this.onSessionStop();
     },
 
     /**
      * Handles a hotword triggered event.
-     * @private
+     * @protected
      */
-    handleHotwordTrigger_: function() {
+    handleHotwordTrigger: function() {
       hotword.debug('Hotword triggered: ' + this.sessionSource_);
       chrome.hotwordPrivate.notifyHotwordRecognition('search', function() {});
     },
 
     /**
      * Handles a hotwordPrivate.onHotwordSessionRequested event.
      * @private
      */
     handleSessionRequested_: function() {
       hotword.debug('handleSessionRequested_: ' + this.sessionSource_);
@@ skipping 47 matching lines @@
         this.removeListeners_();
         this.stopSession_();
       }
     }
   };
 
   return {
     BaseSessionManager: BaseSessionManager
   };
 });