Update Chromoting to use /third_party/closure_compiler.

remoting/webapp/base/js/message_window_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.
 
 'use strict';
 
 /** @suppress {duplicate} */
 var remoting = remoting || {};
 
 /**
@@ skipping 48 matching lines @@
  */
 remoting.MessageWindowManager.closeAllMessageWindows = function() {
   /** @type {Array.<remoting.MessageWindow>} */
   var windows = [];
   // Make a list of the windows to close.
   // We don't delete the window directly in this loop because close() can
   // call deleteMessageWindow which will update messageWindows_.
   for (var win_id in remoting.MessageWindowManager.messageWindows_) {
     /** @type {remoting.MessageWindow} */
     var win = remoting.MessageWindowManager.getMessageWindow(
-        /** @type {number} */(win_id));
+        parseInt(win_id, 10));
     base.debug.assert(win != null);
     windows.push(win);
   }
   for (var i = 0; i < windows.length; i++) {
     /** @type {remoting.MessageWindow} */(windows[i]).close();
   }
 };
 
 /**
  * Dispatch a message box result to the appropriate callback.
@@ skipping 22 matching lines @@
     }
 
     messageWindow.handleResult(result);
     messageWindow.close();
   }
 };
 
 
 window.addEventListener('message', remoting.MessageWindowManager.onMessage_,
                         false);