Fix cannot disconnect remoting session.

remoting/webapp/crd/js/client_screen.js

 // Copyright (c) 2012 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
  * Functions related to the 'client screen' for Chromoting.
  */
 
 'use strict';
@@ skipping 35 matching lines @@
       ('hidden' in document) ? document.hidden : document.webkitHidden);
   }
 };
 
 /**
  * Disconnect the remoting client.
  *
  * @return {void} Nothing.
  */
 remoting.disconnect = function() {
-  if (!remoting.desktopConnectedView) {
+  if (!remoting.clientSession) {
     return;
   }
-  if (remoting.desktopConnectedView.getMode() ==
-      remoting.DesktopConnectedView.Mode.IT2ME) {
-    remoting.setMode(remoting.AppMode.CLIENT_SESSION_FINISHED_IT2ME);
-  } else {
-    remoting.setMode(remoting.AppMode.CLIENT_SESSION_FINISHED_ME2ME);
-  }
-  remoting.app.onDisconnected();
-  remoting.clientSession = null;
-  remoting.desktopConnectedView = null;
+  remoting.clientSession.disconnect(remoting.Error.NONE);
   console.log('Disconnected.');
 };
 
 /**
  * Callback function called when the state of the client plugin changes. The
  * current and previous states are available via the |state| member variable.
  *
  * @param {remoting.ClientSession.StateEvent=} state
  */
 function onClientStateChange_(state) {
@@ skipping 26 matching lines @@
       // This should only happen if the web-app and client plugin get out of
       // sync, so MISSING_PLUGIN is a suitable error.
       remoting.app.onError(remoting.Error.MISSING_PLUGIN);
       break;
   }
 
   remoting.clientSession.removeEventListener('stateChanged',
                                              onClientStateChange_);
   remoting.clientSession.cleanup();
   remoting.clientSession = null;
+  remoting.desktopConnectedView = null;
 }
 
 /**
  * Timer callback to update the statistics panel.
  */
 function updateStatistics_() {
   if (!remoting.clientSession ||
       remoting.clientSession.getState() !=
       remoting.ClientSession.State.CONNECTED) {
     return;
   }
   var perfstats = remoting.clientSession.getPerfStats();
   remoting.stats.update(perfstats);
   remoting.clientSession.logStatistics(perfstats);
   // Update the stats once per second.
   window.setTimeout(updateStatistics_, 1000);
 }