Remove Hangout Remote Desktop integration code from the webapp.

remoting/webapp/crd/js/hangout_session.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.
-
-/**
- * @fileoverview
- * Class to communicate with the background scripts via chrome runtime
- * messages to
- * 1. Forward session state notifications
- * 2. Closes the window when the session terminates
- */
-
-'use strict';
-
-/** @suppress {duplicate} */
-var remoting = remoting || {};
-
-/**
- * @constructor
- * @param {string} senderId id of the current tab or window.
- */
-remoting.HangoutSession = function(senderId) {
-  /**
-   * @private
-   * @type {chrome.runtime.Port}
-   */
-  this.port_ = null;
-
-  /**
-   * @private
-   * @type {string}
-   */
-  this.senderId_ = senderId;
-};
-
-remoting.HangoutSession.prototype.init = function() {
-  var portName = 'it2me.helper.webapp@' + this.senderId_;
-  this.port_ = chrome.runtime.connect({name: portName});
-
-  remoting.hangoutSessionEvents.addEventListener(
-      remoting.hangoutSessionEvents.sessionStateChanged,
-      this.onSessionStateChanged_.bind(this));
-};
-
-/**
- * @param {remoting.ClientSession.State=} state
- */
-remoting.HangoutSession.prototype.onSessionStateChanged_ = function(state) {
-  var State = remoting.ClientSession.State;
-  try {
-    this.port_.postMessage({method: 'sessionStateChanged', state: state});
-  } catch (/** @type {Error} */ error) {
-    // postMessage will throw an exception if the port is disconnected.
-    // We can safely ignore this exception.
-    console.error(error);
-  } finally {
-    if (state === State.FAILED || state === State.CLOSED) {
-      // close the current window
-      if (base.isAppsV2()) {
-        chrome.app.window.current().close();
-      } else {
-        window.close();
-      }
-    }
-  }
-};
-
-
-/**
- * remoting.clientSession does not exist until the session is connected.
- * hangoutSessionEvents serves as a global event source to plumb session
- * state changes until we cleanup clientSession and sessionConnector.
- * @type {base.EventSourceImpl}
- */
-remoting.hangoutSessionEvents = new base.EventSourceImpl();
-
-/** @type {string} */
-remoting.hangoutSessionEvents.sessionStateChanged = "sessionStateChanged";
-
-remoting.hangoutSessionEvents.defineEvents(
-    [remoting.hangoutSessionEvents.sessionStateChanged]);