Send hardware video frames with mailboxes.

content/renderer/media/renderer_gpu_video_decoder_factories.h

Index: content/renderer/media/renderer_gpu_video_decoder_factories.h
diff --git a/content/renderer/media/renderer_gpu_video_decoder_factories.h b/content/renderer/media/renderer_gpu_video_decoder_factories.h
index de5f19f03e850e5a31b266eac5711860a4a518ae..285cdc21d13f13d5925c9b078d63ef10a5475367 100644
--- a/content/renderer/media/renderer_gpu_video_decoder_factories.h
+++ b/content/renderer/media/renderer_gpu_video_decoder_factories.h
@@ -52,6 +52,9 @@ class CONTENT_EXPORT RendererGpuVideoDecoderFactories
                               std::vector<uint32>* texture_ids,
                               uint32 texture_target) OVERRIDE;
   virtual void DeleteTexture(uint32 texture_id) OVERRIDE;
+  virtual gpu::Mailbox ProduceTextureToMailbox(uint32 texture_id) OVERRIDE;
+  virtual void ConsumeMailboxToTexture(const gpu::Mailbox& mailbox,
+                                       uint32 texture_id) OVERRIDE;
   virtual void ReadPixels(uint32 texture_id,
                           uint32 texture_target,
                           const gfx::Size& size,
@@ -83,6 +86,9 @@ class CONTENT_EXPORT RendererGpuVideoDecoderFactories
   void AsyncCreateTextures(int32 count, const gfx::Size& size,
                            uint32 texture_target);
   void AsyncDeleteTexture(uint32 texture_id);
+  void AsyncProduceTextureToMailbox(uint32 texture_id, gpu::Mailbox* mailbox);
+  void AsyncConsumeMailboxToTexture(const gpu::Mailbox& mailbox,
+                                    uint32 texture_id);
   void AsyncReadPixels(uint32 texture_id, uint32 texture_target,
                        const gfx::Size& size);
   void AsyncCreateSharedMemory(size_t size);