Improve HRD first run experience

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 111 matching lines @@
 
   sinon.assert.calledWithMatch(hangoutPort.postMessage, {
       method: MessageTypes.ERROR
   });
 });
 
 QUnit.asyncTest('connect() should return access code',
     function() {
   // Stubs authentication.
   sinon.stub(base, 'isAppsV2').returns(true);
-  sinon.stub(remoting.MessageWindow, 'showConfirmWindow')
-      .callsArgWith(4, 1 /* 1 for OK. */);
+  sinon.stub(remoting.HangoutConsentDialog, 'getInstance').returns({
+    show : function() {
+      return Promise.resolve();
+    }
+  });
   sinon.stub(chrome.identity, 'getAuthToken')
       .callsArgWith(1, 'token');
   // 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,
     email: 'test@chromium.org'
   });
 
   window.requestAnimationFrame(function(){
     // Verify that access code is correct in the response.
     sinon.assert.calledWithMatch(hangoutPort.postMessage, {
         method: MessageTypes.CONNECT_RESPONSE,
         accessCode: 'accessCode'
     });
 
     chrome.identity.getAuthToken.restore();
     base.isAppsV2.restore();
-    remoting.MessageWindow.showConfirmWindow.restore();
     QUnit.start();
   });
 });
 
 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);
 });
 
 })();