[Chromoting] Convert VideoFrameRecorder into a proper protocol extension.

remoting/webapp/crd/js/desktop_connected_view.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.
 
 /**
  * @fileoverview
  * Class handling user-facing aspects of the client session.
  */
 
 'use strict';
@@ skipping 131 matching lines @@
   // and the Ctrl-Alt-Del button only in Me2Me mode.
   if (!this.plugin_.hasFeature(
           remoting.ClientPlugin.Feature.INJECT_KEY_EVENT)) {
     var sendKeysElement = document.getElementById('send-keys-menu');
     sendKeysElement.hidden = true;
   } else if (this.mode_ != remoting.DesktopConnectedView.Mode.ME2ME &&
       this.mode_ != remoting.DesktopConnectedView.Mode.APP_REMOTING) {
     var sendCadElement = document.getElementById('send-ctrl-alt-del');
     sendCadElement.hidden = true;
   }
-
-  if (this.session_.hasCapability(
-          remoting.ClientSession.Capability.VIDEO_RECORDER)) {
-    this.videoFrameRecorder_ = new remoting.VideoFrameRecorder(this.plugin_);
-  }
 };
 
 /**
  * This is a callback that gets called when the window is resized.
  *
  * @return {void} Nothing.
  * @private.
  */
 remoting.DesktopConnectedView.prototype.onResize_ = function() {
   if (this.viewport_) {
@@ skipping 88 matching lines @@
 /**
  * Sends a Print Screen keypress to the remoting client.
  *
  * @return {void} Nothing.
  */
 remoting.DesktopConnectedView.prototype.sendPrintScreen = function() {
   console.log('Sending Print Screen.');
   this.plugin_.injectKeyCombination([0x070046]);
 };
 
+/** @param {remoting.VideoFrameRecorder} recorder */
+remoting.DesktopConnectedView.prototype.setVideoFrameRecorder =
+    function(recorder) {
+  this.videoFrameRecorder_ = recorder;
+};
+
 /**
  * Returns true if the ClientSession can record video frames to a file.
  * @return {boolean}
  */
 remoting.DesktopConnectedView.prototype.canRecordVideo = function() {
   return !!this.videoFrameRecorder_;
 };
 
 /**
  * Returns true if the ClientSession is currently recording video frames.
  * @return {boolean}
  */
 remoting.DesktopConnectedView.prototype.isRecordingVideo = function() {
   if (!this.videoFrameRecorder_) {
     return false;
   }
   return this.videoFrameRecorder_.isRecording();
 };
 
 /**
  * Starts or stops recording of video frames.
  */
 remoting.DesktopConnectedView.prototype.startStopRecording = function() {
   if (this.videoFrameRecorder_) {
     this.videoFrameRecorder_.startStopRecording();
   }
 };
-
-/**
- * Handles protocol extension messages.
- * @param {string} type Type of extension message.
- * @param {Object} message The parsed extension message data.
- * @return {boolean} True if the message was recognized, false otherwise.
- */
-remoting.DesktopConnectedView.prototype.handleExtensionMessage =
-    function(type, message) {
-  if (this.videoFrameRecorder_) {
-    return this.videoFrameRecorder_.handleMessage(type, message);
-  }
-  return false;
-};