Remove MediaStream renderer from the webapp.

remoting/webapp/crd/js/client_session.js

Index: remoting/webapp/crd/js/client_session.js
diff --git a/remoting/webapp/crd/js/client_session.js b/remoting/webapp/crd/js/client_session.js
index ac8a43dd432ed46e3ac1b9937276537a7c361351..f3ae7ce9afc5069048afe50452bc20e00556cce8 100644
--- a/remoting/webapp/crd/js/client_session.js
+++ b/remoting/webapp/crd/js/client_session.js
@@ -51,17 +51,6 @@ remoting.enableCast = false;
 remoting.enableMouseLock = false;
 
 /**
- * True to enable MediaSource rendering, if available.
- * The plugin also needs to support MediaSource rendering.
- *
- * TODO(sergeyu): Remove mediaSource renderer from the plugin and
- * everywhere else.
- *
- * @type {boolean}
- */
-remoting.enableMediaSourceRendering = false;
-
-/**
  * @param {remoting.SignalStrategy} signalStrategy Signal strategy.
  * @param {HTMLElement} container Container element for the client view.
  * @param {string} hostDisplayName A human-readable name for the host.
@@ -183,9 +172,6 @@ remoting.ClientSession = function(signalStrategy, container, hostDisplayName,
   /** @private */
   this.callOnFullScreenChanged_ = this.onFullScreenChanged_.bind(this)
 
-  /** @type {HTMLMediaElement} @private */
-  this.video_ = null;
-
   /** @type {Element} @private */
   this.mouseCursorOverlay_ =
       this.container_.querySelector('.mouse-cursor-overlay');
@@ -583,27 +569,6 @@ remoting.ClientSession.prototype.onPluginInitialized_ = function(initialized) {
     this.plugin_.allowMouseLock();
   }
 
-  // MediaSource-based rendering is only supported on Chrome 37 and above.
-  var chromeVersionMajor =
-      parseInt((remoting.getChromeVersion() || '0').split('.')[0], 10);
-  if (chromeVersionMajor >= 37 &&
-      remoting.enableMediaSourceRendering &&
-      this.plugin_.hasFeature(
-          remoting.ClientPlugin.Feature.MEDIA_SOURCE_RENDERING)) {
-    this.video_ = /** @type {HTMLMediaElement} */(
-        this.container_.querySelector('video'));
-    // Make sure that the <video> element is hidden until we get the first
-    // frame.
-    this.video_.style.width = '0px';
-    this.video_.style.height = '0px';
-
-    var renderer = new remoting.MediaSourceRenderer(this.video_);
-    this.plugin_.enableMediaSourceRendering(renderer);
-    this.container_.classList.add('mediasource-rendering');
-  } else {
-    this.container_.classList.remove('mediasource-rendering');
-  }
-
   this.plugin_.setOnOutgoingIqHandler(this.sendIq_.bind(this));
   this.plugin_.setOnDebugMessageHandler(this.onDebugMessage_.bind(this));
 
@@ -650,10 +615,6 @@ remoting.ClientSession.prototype.removePlugin = function() {
       });
   this.updateClientSessionUi_(null);
 
-  // Remove mediasource-rendering class from the container - this will also
-  // hide the <video> element.
-  this.container_.classList.remove('mediasource-rendering');
-
   this.container_.removeEventListener('mousemove',
                                       this.updateMouseCursorPosition_,
                                       true);
@@ -1345,11 +1306,6 @@ remoting.ClientSession.prototype.updateDimensions = function() {
   var pluginWidth = Math.round(desktopWidth * scale);
   var pluginHeight = Math.round(desktopHeight * scale);
 
-  if (this.video_) {
-    this.video_.style.width = pluginWidth + 'px';
-    this.video_.style.height = pluginHeight + 'px';
-  }
-
   // Resize the plugin if necessary.
   // TODO(wez): Handle high-DPI to high-DPI properly (crbug.com/135089).
   this.plugin_.element().style.width = pluginWidth + 'px';