Replace SW YUV conversion with higher quality Shader+FBO in pepper video path.

content/renderer/pepper/video_decoder_shim.h

Index: content/renderer/pepper/video_decoder_shim.h
diff --git a/content/renderer/pepper/video_decoder_shim.h b/content/renderer/pepper/video_decoder_shim.h
index 3a0f32ae592ed93c1331ea24d64c58c52a9943c4..0d71d4b16a2e2e8bc6ba90a34aa5266aa5341ef8 100644
--- a/content/renderer/pepper/video_decoder_shim.h
+++ b/content/renderer/pepper/video_decoder_shim.h
@@ -72,6 +72,7 @@ class VideoDecoderShim : public media::VideoDecodeAccelerator {
   struct PendingDecode;
   struct PendingFrame;
   class DecoderImpl;
+  class YUVConverter;
 
   void OnInitializeComplete(int32_t result, uint32_t texture_pool_size);
   void OnDecodeComplete(int32_t result, uint32_t decode_id);
@@ -109,8 +110,7 @@ class VideoDecoderShim : public media::VideoDecodeAccelerator {
   typedef std::queue<uint32_t> CompletedDecodeQueue;
   CompletedDecodeQueue completed_decodes_;
 
-  // Queue of decoded frames that have been converted to RGB and await upload to
-  // a GL texture.
+  // Queue of decoded frames that await rgb->yuv conversion.
   typedef std::queue<linked_ptr<PendingFrame> > PendingFrameQueue;
   PendingFrameQueue pending_frames_;
 
@@ -119,6 +119,8 @@ class VideoDecoderShim : public media::VideoDecodeAccelerator {
 
   uint32_t num_pending_decodes_;
 
+  scoped_ptr<YUVConverter> yuv_converter_;
+
   base::WeakPtrFactory<VideoDecoderShim> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(VideoDecoderShim);