[Chromoting] Use compact notation for javascript @private types

remoting/webapp/base/js/message_window.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.
 
 'use strict';
 
 /**
  * @constructor
  */
 function MessageWindowImpl() {
   /**
    * Used to prevent multiple responses due to the closeWindow handler.
    *
-   * @type {boolean}
-   * @private
+   * @private {boolean}
    */
   this.sentReply_ = false;
 
   window.addEventListener('message', this.onMessage_.bind(this), false);
 };
 
 /**
  * @param {Window} parentWindow The id of the window that showed the message.
  * @param {number} messageId The identifier of the message, as supplied by the
  *     parent.
@@ skipping 121 matching lines @@
 
       base.resizeWindowToContent();
       break;
 
     default:
       console.error('Unexpected message:', event.data);
   }
 };
 
 var messageWindow = new MessageWindowImpl();