Add a GpuMemoryBuffer pool that creates hardware backed VideoFrames.

media/renderers/video_renderer_impl.h

Index: media/renderers/video_renderer_impl.h
diff --git a/media/renderers/video_renderer_impl.h b/media/renderers/video_renderer_impl.h
index abe2b9b007de8e85e9b7055a05de500068cbd550..a2e89c557d4cb2032c5372c369acf70d3d48c0cc 100644
--- a/media/renderers/video_renderer_impl.h
+++ b/media/renderers/video_renderer_impl.h
@@ -25,6 +25,8 @@
 #include "media/base/video_renderer_sink.h"
 #include "media/filters/decoder_stream.h"
 #include "media/filters/video_renderer_algorithm.h"
+#include "media/renderers/gpu_video_accelerator_factories.h"
+#include "media/video/gpu_memory_buffer_video_frame_pool.h"
 
 namespace base {
 class SingleThreadTaskRunner;
@@ -54,6 +56,7 @@ class MEDIA_EXPORT VideoRendererImpl
       VideoRendererSink* sink,
       ScopedVector<VideoDecoder> decoders,
       bool drop_frames,
+      const scoped_refptr<GpuVideoAcceleratorFactories>& gpu_factories,
       const scoped_refptr<MediaLog>& media_log);
   ~VideoRendererImpl() override;
 
@@ -170,6 +173,9 @@ class MEDIA_EXPORT VideoRendererImpl
   // Provides video frames to VideoRendererImpl.
   scoped_ptr<VideoFrameStream> video_frame_stream_;
 
+  // Pool of GpuMemoryBuffers and resources used to create hardware frames.
+  scoped_ptr<GpuMemoryBufferVideoFramePool> gpu_memory_buffer_pool_;
+
   // Flag indicating low-delay mode.
   bool low_delay_;