Disable VideoDecoder renderer.

remoting/webapp/crd/js/client_plugin_impl.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 563 matching lines @@
  * @param {remoting.CredentialsProvider} credentialsProvider
  */
 remoting.ClientPluginImpl.prototype.connect =
     function(host, localJid, credentialsProvider) {
   var keyFilter = '';
   if (remoting.platformIsMac()) {
     keyFilter = 'mac';
   } else if (remoting.platformIsChromeOS()) {
     keyFilter = 'cros';
   }
-  // Use PPB_VideoDecoder API only in Chrome 42 and above. It is broken in
-  // previous versions of Chrome, see http://crbug.com/447403 .
-  // Currently PPAPI doesn't provide a way for plugins to check the Chrome
-  // version, so this check needs to be in the webapp.
-  var enableVideoDecodeRenderer =
-      parseInt((remoting.getChromeVersion() || '0').split('.')[0], 10) >= 42;
+
+  // PPB_VideoDecoder-based renderer is disabled because it's broken in some
+  // scenarios, see crbug.com/459103 and crbug.com/463577 .
+  var enableVideoDecodeRenderer = false;

[Wez, 2015/03/03 19:50:42]

Make this a >= 43 check so that we use the VideoDecode API under Canary and
dev-channel?

[Sergey Ulanov, 2015/03/03 19:57:12]

Done.

   this.plugin_.postMessage(JSON.stringify(
       { method: 'delegateLargeCursors', data: {} }));
   var methods = 'third_party,spake2_pair,spake2_hmac,spake2_plain';
   this.credentials_ = credentialsProvider;
   this.useAsyncPinDialog_();
   this.plugin_.postMessage(JSON.stringify(
     { method: 'connect', data: {
         hostJid: host.jabberId,
         hostPublicKey: host.publicKey,
         localJid: localJid,
@@ skipping 308 matching lines @@
 remoting.DefaultClientPluginFactory.prototype.preloadPlugin = function() {
   if (remoting.settings.CLIENT_PLUGIN_TYPE != 'pnacl') {
     return;
   }
 
   var plugin = remoting.ClientPluginImpl.createPluginElement_();
   plugin.addEventListener(
       'loadend', function() { document.body.removeChild(plugin); }, false);
   document.body.appendChild(plugin);
 };