Update Chromoting to use /third_party/closure_compiler.

remoting/webapp/crd/js/smart_reconnector.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.
 
 /**
  * @fileoverview
  * Class handling reconnecting the session when it is disconnected due to
  * network failure.
  *
  * The SmartReconnector listens for changes in connection state of
@@ skipping 63 matching lines @@
   },
 
   reconnectAsync_: function() {
     this.cancelPending_();
     remoting.setMode(remoting.AppMode.CLIENT_CONNECTING);
     this.reconnectTimerId_ = window.setTimeout(
         this.bound_.reconnect, remoting.SmartReconnector.kReconnectDelay);
   },
 
   /**
-   * @param {remoting.ClientSession.StateEvent} event
+   * @param {remoting.ClientSession.StateEvent=} event

[kelvinp, 2015/01/12 22:51:28]

why the =?

[garykac, 2015/01/13 00:28:39]

base.EventSource.prototype.addEventListener is defined to take a
function(?=):void. The new compiler is actually checking that now.

    */
   stateChanged_: function(event) {
     var State = remoting.ClientSession.State;
     if (event.previous === State.CONNECTED && event.current === State.FAILED) {
       this.cancelPending_();
       if (navigator.onLine) {
         this.reconnect_();
       } else {
         window.addEventListener('online', this.bound_.reconnectAsync, false);
       }
     }
   },
 
   /**
-   * @param {boolean} active  True if the video channel is active.
+   * @param {boolean=} active  True if the video channel is active.
    */
   videoChannelStateChanged_: function (active) {
     this.cancelPending_();
     if (!active) {
       window.addEventListener(
           'online', this.bound_.startReconnectTimeout, false);
     }
   },
 
   startReconnectTimeout_: function () {
@@ skipping 14 matching lines @@
 
   dispose: function() {
     this.clientSession_.removeEventListener(
         remoting.ClientSession.Events.stateChanged,
         this.bound_.stateChanged);
     this.clientSession_.removeEventListener(
         remoting.ClientSession.Events.videoChannelStateChanged,
         this.bound_.videoChannelStateChanged);
   }
 };