media: Optimize HW Video to 2D Canvas copy.

media/blink/webmediaplayer_params.cc

Index: media/blink/webmediaplayer_params.cc
diff --git a/media/blink/webmediaplayer_params.cc b/media/blink/webmediaplayer_params.cc
index 1fd2b8af80f9c3e4ca18fbe8df35bfc1f178d4ea..b5c844836be049318700e8916524f83e3a3ef7e2 100644
--- a/media/blink/webmediaplayer_params.cc
+++ b/media/blink/webmediaplayer_params.cc
@@ -12,7 +12,7 @@
 namespace media {
 
 WebMediaPlayerParams::WebMediaPlayerParams(
-    const base::Callback<void(const base::Closure&)>& defer_load_cb,
+    const DeferLoadCB& defer_load_cb,
     const scoped_refptr<AudioRendererSink>& audio_renderer_sink,
     const AudioHardwareConfig& audio_hardware_config,
     const scoped_refptr<MediaLog>& media_log,
@@ -21,6 +21,7 @@ WebMediaPlayerParams::WebMediaPlayerParams(
     const scoped_refptr<base::SingleThreadTaskRunner>& compositor_task_runner,
     const EncryptedMediaPlayerSupportCreateCB&
         encrypted_media_player_support_cb,
+    const Context3DProviderCB& shared_main_thread_context_3d_provider_cb,
     blink::WebContentDecryptionModule* initial_cdm)
     : defer_load_cb_(defer_load_cb),
       audio_renderer_sink_(audio_renderer_sink),
@@ -30,6 +31,8 @@ WebMediaPlayerParams::WebMediaPlayerParams(
       media_task_runner_(media_task_runner),
       compositor_task_runner_(compositor_task_runner),
       encrypted_media_player_support_cb_(encrypted_media_player_support_cb),
+      shared_main_thread_context_3d_provider_cb_(
+          shared_main_thread_context_3d_provider_cb),
       initial_cdm_(initial_cdm) {
 }