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

content/renderer/pepper/video_decoder_shim.h

 // Copyright 2014 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 CONTENT_RENDERER_PEPPER_VIDEO_DECODER_SHIM_H_
 #define CONTENT_RENDERER_PEPPER_VIDEO_DECODER_SHIM_H_
 
 #include <queue>
 #include <vector>
 
@@ skipping 21 matching lines @@
 class GLES2Interface;
 }
 }
 
 namespace media {
 class DecoderBuffer;
 }
 
 namespace content {
 
+class YUVConverter;
 class PepperVideoDecoderHost;
 
 // This class is a shim to wrap a media::VideoDecoder so that it can be used
 // by PepperVideoDecoderHost in place of a media::VideoDecodeAccelerator.
 // This class should be constructed, used, and destructed on the main (render)
 // thread.
 class VideoDecoderShim : public media::VideoDecodeAccelerator {
  public:
   explicit VideoDecoderShim(PepperVideoDecoderHost* host);
   ~VideoDecoderShim() override;
@@ skipping 50 matching lines @@
   TextureIdSet available_textures_;
   // Track textures that are no longer needed (these are plugin ids.)
   TextureIdSet textures_to_dismiss_;
   // Mailboxes for pending texture requests, to write to plugin's textures.
   std::vector<gpu::Mailbox> pending_texture_mailboxes_;
 
   // Queue of completed decode ids, for notifying the host.
   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_;
 
   // The optimal number of textures to allocate for decoder_impl_.
   uint32_t texture_pool_size_;
 
   uint32_t num_pending_decodes_;
 
+  scoped_ptr<YUVConverter> yuv_converter_;
+
   base::WeakPtrFactory<VideoDecoderShim> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(VideoDecoderShim);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_VIDEO_DECODER_SHIM_H_