[Webapp Refactor] Remove remoting.clientSession.

remoting/webapp/crd/js/desktop_remoting_activity.js

 // Copyright 2015 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.
 
 /** @suppress {duplicate} */
 var remoting = remoting || {};
 
 (function() {
 
 'use strict';
 
 /**
  * This class provides common functionality to Me2MeActivity and It2MeActivity,
  * e.g. constructing the relevant UX, and delegate the custom handling of the
  * session state changes to the |parentActivity|.
  *
  * @param {remoting.Activity} parentActivity
  * @implements {remoting.ClientSession.EventHandler}
  * @implements {base.Disposable}
  * @constructor
  */
 remoting.DesktopRemotingActivity = function(parentActivity) {
   /** @private */
   this.parentActivity_ = parentActivity;
   /** @private {remoting.DesktopConnectedView} */
   this.connectedView_ = null;
+  /** @private {remoting.ClientSession} */
+  this.session_ = null;
+};
+
+remoting.DesktopRemotingActivity.prototype.stop = function() {
+  if (this.session_) {
+    this.session_.disconnect(remoting.Error.none());
+    console.log('Disconnected.');
+  }
 };
 
 /**
  * @param {remoting.ConnectionInfo} connectionInfo
  */
 remoting.DesktopRemotingActivity.prototype.onConnected =
     function(connectionInfo) {
   remoting.setMode(remoting.AppMode.IN_SESSION);
   if (!base.isAppsV2()) {
     remoting.toolbar.center();
     remoting.toolbar.preview();
   }
 
+  this.session_ = connectionInfo.session();
+
   this.connectedView_ = new remoting.DesktopConnectedView(
       document.getElementById('client-container'), connectionInfo);
 
   // By default, under ChromeOS, remap the right Control key to the right
   // Win / Cmd key.
   if (remoting.platformIsChromeOS()) {
     connectionInfo.plugin().setRemapKeys('0x0700e4>0x0700e7');
   }
 
   if (connectionInfo.session().hasCapability(
           remoting.ClientSession.Capability.VIDEO_RECORDER)) {
     var recorder = new remoting.VideoFrameRecorder();
     connectionInfo.plugin().extensions().register(recorder);
     this.connectedView_.setVideoFrameRecorder(recorder);
   }
 
   this.parentActivity_.onConnected(connectionInfo);
 };
 
 remoting.DesktopRemotingActivity.prototype.onDisconnected = function() {
   this.parentActivity_.onDisconnected();
-  base.dispose(this.connectedView_);
-  this.connectedView_ = null;
+  this.dispose();
 };
 
 /**
  * @param {!remoting.Error} error
  */
 remoting.DesktopRemotingActivity.prototype.onConnectionFailed =
     function(error) {
   this.parentActivity_.onConnectionFailed(error);
 };
 
 /**
  * @param {!remoting.Error} error The error to be localized and displayed.
  */
 remoting.DesktopRemotingActivity.prototype.onError = function(error) {
   console.error('Connection failed: ' + error.toString());
 
   if (error.hasTag(remoting.Error.Tag.AUTHENTICATION_FAILED)) {
     remoting.setMode(remoting.AppMode.HOME);
     remoting.handleAuthFailureAndRelaunch();
     return;
   }
 
   this.parentActivity_.onError(error);
 
-  base.dispose(this.connectedView_);
-  this.connectedView_ = null;
+  this.dispose();
 };
 
 remoting.DesktopRemotingActivity.prototype.dispose = function() {
   base.dispose(this.connectedView_);
   this.connectedView_ = null;
+  this.session_ = null;
 };
 
 /** @return {remoting.DesktopConnectedView} */
 remoting.DesktopRemotingActivity.prototype.getConnectedView = function() {
   return this.connectedView_;
 };
 
 })();