Update Chromoting to use /third_party/closure_compiler.

remoting/webapp/crd/js/xmpp_connection.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 268 matching lines @@
           if (this.fakeSslHandshakeResponse_[i] !=
               remoting.XmppConnection.FAKE_SSL_RESPONSE_[i]) {
             responseMatches = false;
             break;
           }
         }
 
         if (!responseMatches) {
           var formatted = "";
           for (var i = 0; i < this.fakeSslHandshakeResponse_.length; ++i) {
-            var x = /** @type {number} */ this.fakeSslHandshakeResponse_[i];
+            var x = /** @type {number} */ (this.fakeSslHandshakeResponse_[i]);
             formatted += " 0x" + x.toString(16);
           };
           console.error(
               "XmppConnection: Fake SSL response didn't match what was " +
               "expected. Trying to continue anyway. Received response: [" +
               formatted + "]");
         }
       }
     }
 
@@ skipping 160 matching lines @@
 /**
  * @param {remoting.SignalStrategy.State} newState
  * @private
  */
 remoting.XmppConnection.prototype.setState_ = function(newState) {
   if (this.state_ != newState) {
     this.state_ = newState;
     this.onStateChangedCallback_(this.state_);
   }
 };