Plumb decoded video pixel format from GPU process to renderer.

media/gpu/ipc/service/gpu_video_decode_accelerator.h

Index: media/gpu/ipc/service/gpu_video_decode_accelerator.h
diff --git a/media/gpu/ipc/service/gpu_video_decode_accelerator.h b/media/gpu/ipc/service/gpu_video_decode_accelerator.h
index aac584e8c6c5cdfee05775dd5c644f0fc2976b84..6653517ee17a8e9c6b9f4f33ba7ff2aa85656910 100644
--- a/media/gpu/ipc/service/gpu_video_decode_accelerator.h
+++ b/media/gpu/ipc/service/gpu_video_decode_accelerator.h
@@ -57,6 +57,7 @@ class GpuVideoDecodeAccelerator
   // media::VideoDecodeAccelerator::Client implementation.
   void NotifyInitializationComplete(bool success) override;
   void ProvidePictureBuffers(uint32_t requested_num_of_buffers,
+                             VideoPixelFormat format,
                              uint32_t textures_per_buffer,
                              const gfx::Size& dimensions,
                              uint32_t texture_target) override;