Optimize webgl texImage2D from YUV video textures.

media/renderers/skcanvas_video_renderer.h

Index: media/renderers/skcanvas_video_renderer.h
diff --git a/media/renderers/skcanvas_video_renderer.h b/media/renderers/skcanvas_video_renderer.h
index 9c6d23c7481760ad7a309dac44adfe605c1b073c..0d8ad565b3701bf8985ac02043de37f6db58da1b 100644
--- a/media/renderers/skcanvas_video_renderer.h
+++ b/media/renderers/skcanvas_video_renderer.h
@@ -66,11 +66,15 @@ class MEDIA_EXPORT SkCanvasVideoRenderer {
                                            void* rgb_pixels,
                                            size_t row_bytes);
 
-  // Copy the contents of texture of |video_frame| to texture |texture|.
+  // Copy the contents of texture of |video_frame| to texture |texture| in
+  // context |destination_gl|.
   // |level|, |internal_format|, |type| specify target texture |texture|.
   // The format of |video_frame| must be VideoFrame::NATIVE_TEXTURE.
-  static void CopyVideoFrameSingleTextureToGLTexture(
-      gpu::gles2::GLES2Interface* gl,
+  // |context_3d| has a GrContext that may be used during the copy.
+  // Returns true on success.
+  static bool CopyVideoFrameTexturesToGLTexture(
+      const Context3D& context_3d,
+      gpu::gles2::GLES2Interface* destination_gl,
       VideoFrame* video_frame,
       unsigned int texture,
       unsigned int internal_format,