ReadPixels from known-usable textures, and give SkBitmap its precious BGRA.

media/base/video_frame.h

 // Copyright (c) 2012 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 MEDIA_BASE_VIDEO_FRAME_H_
 #define MEDIA_BASE_VIDEO_FRAME_H_
 
 #include "base/callback.h"
 #include "base/md5.h"
 #include "media/base/buffers.h"
@@ skipping 58 matching lines @@
   static scoped_refptr<VideoFrame> WrapNativeTexture(
       uint32 texture_id,
       uint32 texture_target,
       const gfx::Size& data_size,
       const gfx::Size& natural_size,
       base::TimeDelta timestamp,
       const ReadPixelsCB& read_pixels_cb,
       const base::Closure& no_longer_needed);
 
   // Read pixels from the native texture backing |*this| and write
-  // them to |*pixels| as RGBA.  |pixels| must point to a buffer at
+  // them to |*pixels| as BGRA.  |pixels| must point to a buffer at
   // least as large as 4*data_size().width()*data_size().height().
   void ReadPixelsFromNativeTexture(void* pixels);
 
   // Creates a frame with format equals to VideoFrame::EMPTY, width, height,
   // and timestamp are all 0.
   static scoped_refptr<VideoFrame> CreateEmptyFrame();
 
   // Allocates YV12 frame based on |width| and |height|, and sets its data to
   // the YUV equivalent of RGB(0,0,0).
   static scoped_refptr<VideoFrame> CreateBlackFrame(const gfx::Size& size);
@@ skipping 78 matching lines @@
   base::Closure texture_no_longer_needed_;
 
   base::TimeDelta timestamp_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(VideoFrame);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_VIDEO_FRAME_H_