webgl: optimize webgl.texSubImage2D(video) path.

content/renderer/media/webmediaplayer_ms.h

 // Copyright 2013 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.
 
 #ifndef CONTENT_RENDERER_MEDIA_WEBMEDIAPLAYER_MS_H_
 #define CONTENT_RENDERER_MEDIA_WEBMEDIAPLAYER_MS_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/synchronization/lock.h"
@@ skipping 110 matching lines @@
 
   double mediaTimeForTimeValue(double timeValue) const override;
 
   unsigned decodedFrameCount() const override;
   unsigned droppedFrameCount() const override;
   unsigned audioDecodedByteCount() const override;
   unsigned videoDecodedByteCount() const override;
 
   bool copyVideoTextureToPlatformTexture(
       blink::WebGraphicsContext3D* web_graphics_context,
-      unsigned int texture,
-      unsigned int internal_format,
-      unsigned int type,
-      bool premultiply_alpha,
-      bool flip_y) override;
+      const CopyVideoTextureParams& params) override;
 
  private:
   // The callback for VideoFrameProvider to signal a new frame is available.
   void OnFrameAvailable(const scoped_refptr<media::VideoFrame>& frame);
   // Need repaint due to state change.
   void RepaintInternal();
 
   // The callback for source to report error.
   void OnSourceError();
 
@@ skipping 43 matching lines @@
   scoped_ptr<WebMediaPlayerMSCompositor> compositor_;
 
   const scoped_refptr<base::SingleThreadTaskRunner> compositor_task_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(WebMediaPlayerMS);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_WEBMEDIAPLAYER_MS_H_