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

remoting/webapp/crd/js/it2me_host_facade.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
  * Class to communicate with the It2me Host component via Native Messaging.
  */
 
 /** @suppress {duplicate} */
@@ skipping 114 matching lines @@
  *     an error.
  * @return {void}
  */
 remoting.It2MeHostFacade.prototype.connect =
     function(email, authServiceWithToken, onStateChanged, onNatPolicyChanged,
              logDebugInfo, xmppServerAddress, xmppServerUseTls, directoryBotJid,
              onError) {
   if (!this.port_) {
     console.error(
         'remoting.It2MeHostFacade.connect() without initialization.');
-    onError(remoting.Error.UNEXPECTED);
+    onError(remoting.Error.unexpected());
     return;
   }
 
   this.onStateChanged_ = onStateChanged;
   this.onNatPolicyChanged_ = onNatPolicyChanged;
   this.onError_ = onError;
   this.port_.postMessage({
     type: 'connect',
     userName: email,
     authServiceWithToken: authServiceWithToken,
@@ skipping 115 matching lines @@
       if (this.onNatPolicyChanged_) {
         var natTraversalEnabled =
             getBooleanAttr(message, 'natTraversalEnabled');
         this.onNatPolicyChanged_(natTraversalEnabled);
       }
       break;
 
     case 'error':
       console.error(getStringAttr(message, 'description'));
       if (this.onError_) {
-        this.onError_(remoting.Error.UNEXPECTED);
+        this.onError_(remoting.Error.unexpected());
       }
       break;
 
     default:
       throw 'Unexpected native message: ' + message;
   }
 };
 
 /**
  * @param {string} accessCode
@@ skipping 27 matching lines @@
     // E.g., if the host manifest is not present we get "Specified native
     // messaging host not found" error. If the host manifest is present but
     // the host binary cannot be found we get the "Native host has exited"
     // error.
     console.log('Native Messaging initialization failed: ' +
                 chrome.runtime.lastError.message);
     this.onInitializationFailed_();
   } else {
     console.error('Native Messaging port disconnected.');
     this.port_ = null;
-    this.onError_(remoting.Error.UNEXPECTED);
+    this.onError_(remoting.Error.unexpected());
   }
 };
 
 })();