Delete GpuVideoService and move GpuVideoDecodeAccelerator ownership to stubs

content/renderer/gpu/gpu_video_decode_accelerator_host.h

Index: content/renderer/gpu/gpu_video_decode_accelerator_host.h
diff --git a/content/renderer/gpu/gpu_video_decode_accelerator_host.h b/content/renderer/gpu/gpu_video_decode_accelerator_host.h
index 9012168d435e0ef19269b9230a02cddd3b6acb4a..9c2d93ba8de6909cf5f2204e9d405a0d662c2c58 100644
--- a/content/renderer/gpu/gpu_video_decode_accelerator_host.h
+++ b/content/renderer/gpu/gpu_video_decode_accelerator_host.h
@@ -65,7 +65,6 @@ class GpuVideoDecodeAcceleratorHost
   void OnProvidePictureBuffer(
     uint32 num_requested_buffers, const gfx::Size& buffer_size, int32 mem_type);
   void OnDismissPictureBuffer(int32 picture_buffer_id);
-  void OnCreateDone(int32 decoder_id);
   void OnInitializeDone();
   void OnPictureReady(int32 picture_buffer_id,
                       int32 bitstream_buffer_id,
@@ -103,9 +102,6 @@ class GpuVideoDecodeAcceleratorHost
   // message processing behind it.
   gpu::CommandBufferHelper* cmd_buffer_helper_;
 
-  // Temporarily store configs here in between Create and Initialize phase.
-  std::vector<uint32> configs_;
-
   // Reference to the client that will receive callbacks from the decoder.
   media::VideoDecodeAccelerator::Client* client_;