Enable PepperVideoDecoder3D

remoting/webapp/crd/js/client_plugin_impl.js

Index: remoting/webapp/crd/js/client_plugin_impl.js
diff --git a/remoting/webapp/crd/js/client_plugin_impl.js b/remoting/webapp/crd/js/client_plugin_impl.js
index 17b4adf8aff4bfef555250bc3825deade1d339b4..af0fc723fbf5f618d6139be682443333135b71c3 100644
--- a/remoting/webapp/crd/js/client_plugin_impl.js
+++ b/remoting/webapp/crd/js/client_plugin_impl.js
@@ -648,6 +648,12 @@ remoting.ClientPluginImpl.prototype.connect = function(
   } 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;
   this.plugin_.postMessage(JSON.stringify(
       { method: 'delegateLargeCursors', data: {} }));
   this.plugin_.postMessage(JSON.stringify(
@@ -661,7 +667,8 @@ remoting.ClientPluginImpl.prototype.connect = function(
         capabilities: this.capabilities_.join(" "),
         clientPairingId: clientPairingId,
         clientPairedSecret: clientPairedSecret,
-        keyFilter: keyFilter
+        keyFilter: keyFilter,
+        enableVideoDecodeRenderer: enableVideoDecodeRenderer
       }
     }));
 };