Converted remoting.Error from an enum to a class

remoting/webapp/crd/js/wcs_loader.js

 /* Copyright (c) 2012 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
  * A class that loads a WCS IQ client and constructs remoting.wcs as a
  * wrapper for it.
  */
@@ skipping 35 matching lines @@
  * @param {function(string): void} onReady The callback function, called with
  *     a client JID when WCS has been loaded.
  * @param {function(!remoting.Error):void} onError Function to invoke with an
  *     error code on failure.
  * @return {void} Nothing.
  */
 remoting.WcsLoader.prototype.start = function(token, onReady, onError) {
   var node = document.getElementById(this.SCRIPT_NODE_ID_);
   if (node) {
     console.error('Multiple calls to WcsLoader.start are not allowed.');
-    onError(remoting.Error.UNEXPECTED);
+    onError(remoting.Error.unexpected());
     return;
   }
 
   // Create a script node to load the WCS driver.
   node = document.createElement('script');
   node.id = this.SCRIPT_NODE_ID_;
   node.src = remoting.settings.TALK_GADGET_URL + 'iq?access_token=' + token;
   node.type = 'text/javascript';
   document.body.insertBefore(node, document.body.firstChild);
 
   /** @type {remoting.WcsLoader} */
   var that = this;
   var onLoad = function() {
     that.constructWcs_(token, onReady);
   };
   var onLoadError = function(event) {
     // The DOM Event object has no detail on the nature of the error, so try to
     // validate the token to get a better idea.
     /** @param {!remoting.Error} error Error code. */
     var onValidateError = function(error) {
       var typedNode = /** @type {Element} */ (node);
       typedNode.parentNode.removeChild(node);
       onError(error);
     };
     var onValidateOk = function() {
       // We can reach the authentication server and validate the token. Either
       // there's something wrong with the talkgadget service, or there is a
       // cookie problem. Only the cookie problem can be fixed by the user, so
       // suggest that fix.
-      onValidateError(remoting.Error.AUTHENTICATION_FAILED);
-    }
+      onValidateError(new remoting.Error(
+          remoting.Error.Tag.AUTHENTICATION_FAILED));
+    };
     that.validateToken(token, onValidateOk, onValidateError);
-  }
+  };
   node.addEventListener('load', onLoad, false);
   node.addEventListener('error', onLoadError, false);
 };
 
 /**
  * Constructs the remoting.wcs object.
  *
  * @param {string} token An OAuth2 access token.
  * @param {function(string): void} onReady The callback function, called with
  *     an OAuth2 access token when WCS has been loaded.
@@ skipping 17 matching lines @@
 remoting.WcsLoader.prototype.validateToken = function(token, onOk, onError) {
   /** @type {XMLHttpRequest} */
   var xhr = new XMLHttpRequest();
   xhr.onreadystatechange = function() {
     if (xhr.readyState != 4) {
       return;
     }
     if (xhr.status == 200) {
       onOk();
     } else {
-      var error = remoting.Error.AUTHENTICATION_FAILED;
+      var error = new remoting.Error(remoting.Error.Tag.AUTHENTICATION_FAILED);
       switch (xhr.status) {
         case 0:
-          error = remoting.Error.NETWORK_FAILURE;
+          error = new remoting.Error(remoting.Error.Tag.NETWORK_FAILURE);
           break;
         case 502: // No break
         case 503:
-          error = remoting.Error.SERVICE_UNAVAILABLE;
+          error = new remoting.Error(remoting.Error.Tag.SERVICE_UNAVAILABLE);
           break;
       }
       onError(error);
     }
   };
   var parameters = '?access_token=' + encodeURIComponent(token);
   xhr.open('GET',
            remoting.settings.OAUTH2_API_BASE_URL + '/v1/tokeninfo' + parameters,
            true);
   xhr.send(null);
 };