Add video frame recording capability to Chromoting hosts.

remoting/webapp/client_plugin.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
  * Class that wraps low-level details of interacting with the client plugin.
  *
  * This abstracts a <embed> element and controls the plugin which does
  * the actual remoting work. It also handles differences between
@@ skipping 199 matching lines @@
 
       // Let the host know that the webapp can be requested to always send
       // the client's dimensions.
       this.capabilities_.push(
           remoting.ClientSession.Capability.SEND_INITIAL_RESOLUTION);
 
       // Let the host know that we're interested in knowing whether or not
       // it rate-limits desktop-resize requests.
       this.capabilities_.push(
           remoting.ClientSession.Capability.RATE_LIMIT_RESIZE_REQUESTS);
+
+      // Let the host know that we can use the video framerecording extension.
+      this.capabilities_.push(
+          remoting.ClientSession.Capability.VIDEO_RECORDER);
     } else if (this.pluginApiVersion_ >= 6) {
       this.pluginApiFeatures_ = ['highQualityScaling', 'injectKeyEvent'];
     } else {
       this.pluginApiFeatures_ = ['highQualityScaling'];
     }
     this.helloReceived_ = true;
     if (this.onInitializedCallback_ != null) {
       this.onInitializedCallback_(true);
       this.onInitializedCallback_ = null;
     }
@@ skipping 525 matching lines @@
  * Undo the CSS rules needed to make the plugin clickable for click-to-play.
  * @private
  */
 remoting.ClientPlugin.prototype.hidePluginForClickToPlay_ = function() {
   this.plugin.style.width = '';
   this.plugin.style.height = '';
   this.plugin.style.top = '';
   this.plugin.style.left = '';
   this.plugin.style.position = '';
 };