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

remoting/webapp/crd/js/session_connector_impl.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
  * Connect set-up state machine for Me2Me and IT2Me
  */
 
 'use strict';
@@ skipping 70 matching lines @@
 };
 
 /**
  * Reset the per-connection state so that the object can be re-used for a
  * second connection. Note the none of the shared WCS state is reset.
  * @private
  */
 remoting.SessionConnectorImpl.prototype.resetConnection_ = function() {
   this.removePlugin_();
 
+  // It's OK to initialize these member variables here because the
+  // constructor calls this method.
+
   /** @private {remoting.Host} */
   this.host_ = null;
 
   /** @private {boolean} */
   this.logHostOfflineErrors_ = false;
 
   /** @private {remoting.ClientPlugin} */
   this.plugin_ = null;
 
   /** @private {remoting.ClientSession} */
   this.clientSession_ = null;
 
   /** @private {remoting.DesktopConnectedView} */
   this.connectedView_ = null;
 
-  /** @private {XMLHttpRequest} */
-  this.pendingXhr_ = null;
-
   /** @private {remoting.CredentialsProvider} */
   this.credentialsProvider_ = null;
 
   /** @private {Object<string,remoting.ProtocolExtension>} */
   this.protocolExtensions_ = {};
 
   /**
    * True once a session has been created and we've started the extensions.
    * This is used to immediately start any extensions that are registered
    * after the CONNECTED state change.
@@ skipping 468 matching lines @@
  */
 remoting.DefaultSessionConnectorFactory.prototype.createConnector =
     function(clientContainer, onConnected, onError,
              onConnectionFailed, requiredCapabilities, defaultRemapKeys) {
   return new remoting.SessionConnectorImpl(clientContainer, onConnected,
                                            onError,
                                            onConnectionFailed,
                                            requiredCapabilities,
                                            defaultRemapKeys);
 };