Update Chromoting to use /third_party/closure_compiler.

remoting/webapp/crd/js/it2me_host_facade.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 to communicate with the It2me Host component via Native Messaging.
  */
 
 'use strict';
@@ skipping 49 matching lines @@
 
   /**
    * Called if Native Messaging host has failed to start.
    * @private
    * */
   this.onInitializationFailed_ = function() {};
 
   /**
    * Called if the It2Me Native Messaging host sends a malformed message:
    * missing required attributes, attributes with incorrect types, etc.
-   * @param {remoting.Error} error
+   * @type {?function(remoting.Error):void}
    * @private
    */
   this.onError_ = function(error) {};
 
   /**
    * @type {?function(remoting.HostSession.State):void}
    * @private
    */
   this.onStateChanged_ = function() {};
 
   /**
    * @type {?function(boolean):void}
    * @private
    */
   this.onNatPolicyChanged_ = function() {};
 };
 
 /**
  * Sets up connection to the Native Messaging host process and exchanges
  * 'hello' messages. If Native Messaging is not supported or if the it2me
  * native messaging host is not installed, onInitializationFailed is invoked.
  * Otherwise, onInitialized is invoked.
  *
- * @param {function():void} onInitialized Called after successful
+ * @param {function(*=):void} onInitialized Called after successful
  *     initialization.
- * @param {function():void} onInitializationFailed Called if cannot connect to
+ * @param {function(*=):void} onInitializationFailed Called if cannot connect to
  *     the native messaging host.
  * @return {void}
  */
 remoting.It2MeHostFacade.prototype.initialize =
     function(onInitialized, onInitializationFailed) {
   this.onInitialized_ = onInitialized;
   this.onInitializationFailed_ = onInitializationFailed;
 
   try {
     this.port_ = chrome.runtime.connectNative(
         'com.google.chrome.remote_assistance');
     this.port_.onMessage.addListener(this.onIncomingMessage_.bind(this));
     this.port_.onDisconnect.addListener(this.onHostDisconnect_.bind(this));
     this.port_.postMessage({type: 'hello'});
-  } catch (err) {
-    console.log('Native Messaging initialization failed: ',
-                /** @type {*} */ (err));
+  } catch (/** @type {*} */ err) {
+    console.log('Native Messaging initialization failed: ', err);
     onInitializationFailed();
     return;
   }
 };
 
 /**
  * @param {string} email The user's email address.
  * @param {string} authServiceWithToken Concatenation of the auth service
  *     (e.g. oauth2) and the access token.
  * @param {function(remoting.HostSession.State):void} onStateChanged Callback to
@@ skipping 199 matching lines @@
     // error.
     console.log('Native Messaging initialization failed: ' +
                 chrome.runtime.lastError.message);
     this.onInitializationFailed_();
   } else {
     console.error('Native Messaging port disconnected.');
     this.port_ = null;
     this.onError_(remoting.Error.UNEXPECTED);
   }
 }