Changed identity API to use promises instead of callbacks.

remoting/webapp/unittests/it2me_helpee_channel_unittest.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.
 
 (function() {
 
 'use strict';
 
 var hostInstaller = null;
 var hangoutPort = null;
@@ skipping 110 matching lines @@
     function() {
   // Stubs authentication.
   sinon.stub(base, 'isAppsV2').returns(true);
   sinon.stub(remoting.HangoutConsentDialog, 'getInstance').returns({
     show : function() {
       return Promise.resolve();
     }
   });
   sinon.stub(chrome.identity, 'getAuthToken')
       .callsArgWith(1, 'token');
-  sinon.stub(remoting.identity, 'callWithToken')
-      .callsArgWith(0, 'token');
+  sinon.stub(remoting.identity, 'getToken')
+      .returns(Promise.resolve('token'));
   sinon.stub(remoting.identity, 'getEmail')
-      .callsArgWith(0, {token: 'token', email: 'test@chromium.org'});
+      .returns(Promise.resolve('test@chromium.org'));
   // Stubs Host behavior.
   sinon.stub(host, 'initialized').returns(true);
   sinon.stub(host, 'connect')
       .callsArgWith(2, remoting.HostSession.State.RECEIVED_ACCESS_CODE);
   sinon.stub(host, 'getAccessCode').returns('accessCode');
 
   var MessageTypes = remoting.It2MeHelpeeChannel.HangoutMessageTypes;
   hangoutPort.onMessage.mock$fire({
     method: MessageTypes.CONNECT,
     hangoutBounds: {widht: 10, height: 10, left:10, top: 10}
@@ skipping 14 matching lines @@
 
 test('should disconnect the session if Hangout crashes', function() {
   sinon.spy(host, 'disconnect');
   hangoutPort.onDisconnect.mock$fire();
 
   sinon.assert.called(onDisposedCallback);
   sinon.assert.called(host.disconnect);
 });
 
 })();