webgl: optimize webgl.texSubImage2D(video) path.

media/blink/skcanvas_video_renderer.h

Index: media/blink/skcanvas_video_renderer.h
diff --git a/media/blink/skcanvas_video_renderer.h b/media/blink/skcanvas_video_renderer.h
index c2e70ea27d91ad25d177857c6e97fde0f32a1d0d..345330440fef78f6bfaa34d418c42226bfff5b94 100644
--- a/media/blink/skcanvas_video_renderer.h
+++ b/media/blink/skcanvas_video_renderer.h
@@ -66,9 +66,21 @@ class MEDIA_EXPORT SkCanvasVideoRenderer {
   static void CopyVideoFrameSingleTextureToGLTexture(
       gpu::gles2::GLES2Interface* gl,
       VideoFrame* video_frame,
+      unsigned int target,
       unsigned int texture,
       unsigned int internal_format,
       unsigned int type,
+      int level,
+      bool premultiply_alpha,
+      bool flip_y);
+  static void CopySubVideoFrameSingleTextureToGLTexture(

[oetuaho-nv, 2015/10/01 07:46:21]

Same naming issue here. Would rather use
"CopyVideoFrameSingleTextureToGLSubTexture".

[dshwang, 2015/10/21 16:12:15]

ditto.

+      gpu::gles2::GLES2Interface* gl,
+      VideoFrame* video_frame,
+      unsigned int target,
+      unsigned int texture,
+      int level,
+      int xoffset,
+      int yoffset,
       bool premultiply_alpha,
       bool flip_y);