Converted remoting.Error from an enum to a class

remoting/webapp/crd/js/wcs_sandbox_container.js

 /* Copyright 2013 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
  * The application side of the application/sandbox WCS interface, used by the
  * application to exchange messages with the sandbox.
  */
 
 'use strict';
 
 /** @suppress {duplicate} */
 var remoting = remoting || {};
 
 /**
  * @param {Window} sandbox The Javascript Window object representing the
  *     sandboxed WCS driver.
  * @constructor
  */
 remoting.WcsSandboxContainer = function(sandbox) {
   /** @private */
   this.sandbox_ = sandbox;
   /** @private {?function(string):void} */
   this.onConnected_ = null;
-  /** @private {function(remoting.Error):void} */
+  /** @private {function(!remoting.Error):void} */
   this.onError_ = function(error) {};
   /** @private {?function(string):void} */
   this.onIq_ = null;
   /** @private {Object<number, XMLHttpRequest>} */
   this.pendingXhrs_ = {};
   /** @private */
   this.localJid_ = '';
 
   /** @private */
   this.accessTokenRefreshTimerStarted_ = false;
 
   window.addEventListener('message', this.onMessage_.bind(this), false);
 
   if (base.isAppsV2()) {
     var message = {
       'command': 'proxyXhrs'
     };
     this.sandbox_.postMessage(message, '*');
   }
 };
 
 /**
  * @param {function(string):void} onConnected Callback to be called when WCS is
  *     connected. May be called synchronously if WCS is already connected.
- * @param {function(remoting.Error):void} onError called in case of an error.
+ * @param {function(!remoting.Error):void} onError called in case of an error.
  * @return {void} Nothing.
  */
 remoting.WcsSandboxContainer.prototype.connect = function(
     onConnected, onError) {
   this.onError_ = onError;
   this.ensureAccessTokenRefreshTimer_();
   if (this.localJid_) {
     onConnected(this.localJid_);
   } else {
     this.onConnected_ = onConnected;
@@ skipping 77 matching lines @@
       }
       this.localJid_ = localJid;
       if (this.onConnected_) {
         var callback = this.onConnected_;
         this.onConnected_ = null;
         callback(localJid);
       }
       break;
 
     case 'onError':
-      /** @type {remoting.Error} */
+      /** @type {!remoting.Error} */
       var error = event.data['error'];
       if (error === undefined) {
         console.error('onError: missing error code');
         break;
       }
       this.onError_(error);
       break;
 
     case 'onIq':
       /** @type {string} */
@@ skipping 116 matching lines @@
     'xhr': sanitizeXhr_(xhr)
   };
   this.sandbox_.postMessage(message, '*');
   if (xhr.readyState == 4) {
     delete this.pendingXhrs_[id];
   }
 }
 
 /** @type {remoting.WcsSandboxContainer} */
 remoting.wcsSandbox = null;