Remove Hangout Remote Desktop integration code from the webapp.

remoting/webapp/crd/js/crd_main.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.
 
 'use strict';
 
 /** @suppress {duplicate} */
 var remoting = remoting || {};
 
 /**
@@ skipping 44 matching lines @@
   };
 
   var onLoad = function() {
     // Parse URL parameters.
     var urlParams = base.getUrlParameters();
     if ('mode' in urlParams) {
       if (urlParams['mode'] === 'me2me') {
         var hostId = urlParams['hostId'];
         remoting.connectMe2Me(hostId);
         return;
-      } else if (urlParams['mode'] === 'hangout') {
-        getCurrentId().then(
-            /** @param {*} id */
-            function(id) {
-              /** @type {string} */
-              var accessCode = urlParams['accessCode'];
-              var connector = remoting.app.getSessionConnector();
-              remoting.setMode(remoting.AppMode.CLIENT_CONNECTING);
-              connector.connectIT2Me(accessCode);
-
-              document.body.classList.add('hangout-remote-desktop');
-              var senderId = /** @type {string} */ (String(id));
-              var hangoutSession = new remoting.HangoutSession(senderId);
-              hangoutSession.init();
-            });
-        return;
       }
     }
     // No valid URL parameters, start up normally.
     remoting.initHomeScreenUi();
   }
   remoting.hostList.load(onLoad);
 }
 
 /**
  * Returns whether Host mode is supported on this platform for It2Me.
@@ skipping 108 matching lines @@
 }
 
 
 remoting.startDesktopRemoting = function() {
   remoting.app = new remoting.Application(remoting.app_capabilities());
   var desktop_remoting = new remoting.DesktopRemoting(remoting.app);
   remoting.app.start();
 };
 
 window.addEventListener('load', remoting.startDesktopRemotingForTesting, false);