media: Optimize HW Video to 2D Canvas copy.

mojo/services/html_viewer/webmediaplayer_factory.cc

Index: mojo/services/html_viewer/webmediaplayer_factory.cc
diff --git a/mojo/services/html_viewer/webmediaplayer_factory.cc b/mojo/services/html_viewer/webmediaplayer_factory.cc
index 6c4653a8f4cba2f3f5dcbaae17cc9e847eea5a98..296b1d2014e5aebf1d7211beef8cc084e64f8a11 100644
--- a/mojo/services/html_viewer/webmediaplayer_factory.cc
+++ b/mojo/services/html_viewer/webmediaplayer_factory.cc
@@ -64,14 +64,11 @@ blink::WebMediaPlayer* WebMediaPlayerFactory::CreateMediaPlayer(
   }
 
   media::WebMediaPlayerParams params(
-      media::WebMediaPlayerParams::DeferLoadCB(),
-      CreateAudioRendererSink(),
-      GetAudioHardwareConfig(),
-      new media::MediaLog(),
+      media::WebMediaPlayerParams::DeferLoadCB(), CreateAudioRendererSink(),
+      GetAudioHardwareConfig(), new media::MediaLog(),
       scoped_refptr<media::GpuVideoAcceleratorFactories>(),
-      GetMediaThreadTaskRunner(),
-      compositor_task_runner_,
-      NULL);
+      GetMediaThreadTaskRunner(), compositor_task_runner_,
+      media::WebMediaPlayerParams::Context3DCB(), nullptr);
   base::WeakPtr<media::WebMediaPlayerDelegate> delegate;
 
   // TODO(xhwang): Provide a media based CdmFactory implementation.