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 e05dd9af9ff78f0e9f02d9d6f22efbf014637acd..999429401b55357461b4c2b2322c4c9cfb5177e3 100644
--- a/content/renderer/media/renderer_gpu_video_decoder_factories.h
+++ b/content/renderer/media/renderer_gpu_video_decoder_factories.h
@@ -50,8 +50,14 @@ class CONTENT_EXPORT RendererGpuVideoDecoderFactories
       media::VideoDecodeAccelerator::Client* client) OVERRIDE;
   virtual bool CreateTextures(int32 count, const gfx::Size& size,
                               std::vector<uint32>* texture_ids,
+                              std::vector<gpu::Mailbox>* texture_mailboxes,
                               uint32 texture_target) OVERRIDE;
   virtual void DeleteTexture(uint32 texture_id) OVERRIDE;
+  virtual uint32 ProduceTexturesToMailboxes(
+      const std::vector<gpu::Mailbox>& mailboxes,
+      const std::vector<uint32>& texture_ids,
+      uint32 texture_target) OVERRIDE;
+  virtual void WaitSyncPoint(uint32 sync_point) OVERRIDE;
   virtual void ReadPixels(uint32 texture_id,
                           uint32 texture_target,
                           const gfx::Size& size,
@@ -83,6 +89,11 @@ class CONTENT_EXPORT RendererGpuVideoDecoderFactories
   void AsyncCreateTextures(int32 count, const gfx::Size& size,
                            uint32 texture_target);
   void AsyncDeleteTexture(uint32 texture_id);
+  void AsyncProduceTextureToMailbox(const std::vector<gpu::Mailbox>& mailboxes,
+                                    const std::vector<uint32>& texture_ids,
+                                    uint32 texture_target,
+                                    uint32* sync_point);
+  void AsyncWaitSyncPoint(uint32 sync_point);
   void AsyncReadPixels(uint32 texture_id, uint32 texture_target,
                        const gfx::Size& size);
   void AsyncCreateSharedMemory(size_t size);
@@ -116,6 +127,7 @@ class CONTENT_EXPORT RendererGpuVideoDecoderFactories
 
   // Textures returned by the CreateTexture() function.
   std::vector<uint32> created_textures_;
+  std::vector<gpu::Mailbox> created_texture_mailboxes_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(RendererGpuVideoDecoderFactories);
 };