Updated remoting.xhr API to use promises. Removed access to the native

remoting/webapp/crd/js/desktop_remoting.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
  * This class implements the functionality that is specific to desktop
  * remoting ("Chromoting" or CRD).
  */
 
@@ skipping 259 matching lines @@
     if (success) {
       var host = remoting.hostList.getHostForId(connector.getHostId());
       if (host) {
         connector.retryConnectMe2Me(host);
         return;
       }
     }
     that.handleError(error);
   };
 
-  if (error.tag == remoting.Error.Tag.HOST_IS_OFFLINE &&
+  if (error.hasTag(remoting.Error.Tag.HOST_IS_OFFLINE) &&
       that.refreshHostJidIfOffline_) {
     that.refreshHostJidIfOffline_ = false;
     // The plugin will be re-created when the host finished refreshing
     remoting.hostList.refresh(onHostListRefresh);
   } else {
     this.handleError(error);
   }
 };
 
 /**
@@ skipping 15 matching lines @@
   return false;
 };
 
 /**
  * Called when an error needs to be displayed to the user.
  *
  * @param {!remoting.Error} error The error to be localized and displayed.
  * @return {void} Nothing.
  */
 remoting.DesktopRemoting.prototype.handleError = function(error) {
-  console.error('Connection failed:' + error.tag);
+  console.error('Connection failed: ' + error.toString());
   remoting.accessCode = '';
 
-  if (error.tag === remoting.Error.Tag.AUTHENTICATION_FAILED) {
+  if (error.hasTag(remoting.Error.Tag.AUTHENTICATION_FAILED)) {
     remoting.setMode(remoting.AppMode.HOME);
     remoting.handleAuthFailureAndRelaunch();
     return;
   }
 
   // Reset the refresh flag so that the next connection will retry if needed.
   this.refreshHostJidIfOffline_ = true;
 
   var errorDiv = document.getElementById('connect-error-message');
-  l10n.localizeElementFromTag(errorDiv, error.tag);
+  l10n.localizeElementFromTag(errorDiv, error.getTag());
 
   var mode = remoting.clientSession ? remoting.desktopConnectedView.getMode()
       : this.app_.getSessionConnector().getConnectionMode();
   if (mode == remoting.DesktopConnectedView.Mode.IT2ME) {
     remoting.setMode(remoting.AppMode.CLIENT_CONNECT_FAILED_IT2ME);
   } else {
     remoting.setMode(remoting.AppMode.CLIENT_CONNECT_FAILED_ME2ME);
   }
 };
 
 /**
  * No cleanup required for desktop remoting.
  */
 remoting.DesktopRemoting.prototype.handleExit = function() {
 };