Revert of 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 df7f5b9b76c0054ea8fb4bf154941056f7633fbc..b7382ec782ba50c0d551c1d80ea824751918d6c6 100644
--- a/media/blink/webmediaplayer_params.cc
+++ b/media/blink/webmediaplayer_params.cc
@@ -11,19 +11,17 @@
 namespace media {
 
 WebMediaPlayerParams::WebMediaPlayerParams(
-    const DeferLoadCB& defer_load_cb,
+    const base::Callback<void(const base::Closure&)>& defer_load_cb,
     const scoped_refptr<AudioRendererSink>& audio_renderer_sink,
     const scoped_refptr<MediaLog>& media_log,
     const scoped_refptr<base::SingleThreadTaskRunner>& media_task_runner,
     const scoped_refptr<base::SingleThreadTaskRunner>& compositor_task_runner,
-    const Context3DCB& context_3d_cb,
     blink::WebContentDecryptionModule* initial_cdm)
     : defer_load_cb_(defer_load_cb),
       audio_renderer_sink_(audio_renderer_sink),
       media_log_(media_log),
       media_task_runner_(media_task_runner),
       compositor_task_runner_(compositor_task_runner),
-      context_3d_cb_(context_3d_cb),
       initial_cdm_(initial_cdm) {
 }