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..d19d2c0a864f6b0a3d07c4e537df2147a71f1759 100644
--- a/content/renderer/pepper/video_decoder_shim.h
+++ b/content/renderer/pepper/video_decoder_shim.h
@@ -39,6 +39,7 @@ class DecoderBuffer;
 
 namespace content {
 
+class YUVConverter;

[piman, 2015/05/12 03:00:25]

nit: make it an inner class of VideoDecoderShim

 class PepperVideoDecoderHost;
 
 // This class is a shim to wrap a media::VideoDecoder so that it can be used
@@ -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

[piman, 2015/05/12 03:00:26]

nit: end with a .

   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);