Cleanup of passing GpuMemoryBuffer backed video frames

media/gpu/ipc/client/gpu_video_encode_accelerator_host.h

Index: media/gpu/ipc/client/gpu_video_encode_accelerator_host.h
diff --git a/media/gpu/ipc/client/gpu_video_encode_accelerator_host.h b/media/gpu/ipc/client/gpu_video_encode_accelerator_host.h
index caecf715752a368e097c81a0c13375d035eb5e70..6630b72e3cc363f152df5967085b8bba7b97a146 100644
--- a/media/gpu/ipc/client/gpu_video_encode_accelerator_host.h
+++ b/media/gpu/ipc/client/gpu_video_encode_accelerator_host.h
@@ -20,7 +20,6 @@
 #include "media/video/video_encode_accelerator.h"
 
 namespace gfx {
-struct GpuMemoryBufferHandle;
 class Size;
 }  // namespace gfx
 
@@ -75,8 +74,6 @@ class GpuVideoEncodeAcceleratorHost
   ~GpuVideoEncodeAcceleratorHost() override;
 
   // Encode specific video frame types.
-  void EncodeGpuMemoryBufferFrame(const scoped_refptr<VideoFrame>& frame,
-                                  bool force_keyframe);
   void EncodeSharedMemoryFrame(const scoped_refptr<VideoFrame>& frame,
                                bool force_keyframe);