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

remoting/webapp/crd/js/third_party_token_fetcher.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
  * Third party authentication support for the remoting web-app.
  *
  * When third party authentication is being used, the client must request both a
  * token and a shared secret from a third-party server. The server can then
@@ skipping 114 matching lines @@
   this.onThirdPartyTokenFetched_(token, sharedSecret);
 };
 
 /**
  * Build a full token request URL from the parameters in this object.
  *
  * @return {string} Full URL to request a token.
  * @private
  */
 remoting.ThirdPartyTokenFetcher.prototype.getFullTokenUrl_ = function() {
-  return this.tokenUrl_ + '?' + remoting.xhr.urlencodeParamHash({
+  return this.tokenUrl_ + '?' + remoting.Xhr.urlencodeParamHash({
     'redirect_uri': this.redirectUri_,
     'scope': this.tokenScope_,
     'client_id': this.hostPublicKey_,
     // The webapp uses an "implicit" OAuth flow with multiple response types to
     // obtain both the code and the shared secret in a single request.
     'response_type': 'code token',
     'state': this.xsrfToken_
   });
 };
 
@@ skipping 22 matching lines @@
 /**
  * Fetch a token from a token server using the identity.launchWebAuthFlow API.
  * @private
  */
 remoting.ThirdPartyTokenFetcher.prototype.fetchTokenIdentityApi_ = function() {
   var fullTokenUrl = this.getFullTokenUrl_();
   chrome.identity.launchWebAuthFlow(
     {'url': fullTokenUrl, 'interactive': true},
     this.parseRedirectUrl_.bind(this));
 };