Vp9 decoder mft support for AMD apu/gpu

media/gpu/dxva_video_decode_accelerator_win.h

Index: media/gpu/dxva_video_decode_accelerator_win.h
diff --git a/media/gpu/dxva_video_decode_accelerator_win.h b/media/gpu/dxva_video_decode_accelerator_win.h
index f5523c6b8f6fe9cdd169e8bd498d52aef49dcd3e..7a1ea0d68c8d5d5c44607ae5c9a4c5aa33500a3c 100644
--- a/media/gpu/dxva_video_decode_accelerator_win.h
+++ b/media/gpu/dxva_video_decode_accelerator_win.h
@@ -31,6 +31,7 @@
 #include "base/threading/non_thread_safe.h"
 #include "base/threading/thread.h"
 #include "base/win/scoped_comptr.h"
+#include "gpu/command_buffer/service/gpu_preferences.h"
 #include "media/filters/h264_parser.h"
 #include "media/gpu/gpu_video_decode_accelerator_helpers.h"
 #include "media/gpu/media_gpu_export.h"
@@ -473,7 +474,7 @@ class MEDIA_GPU_EXPORT DXVAVideoDecodeAccelerator
   bool using_angle_device_;
 
   // Enables experimental hardware acceleration for VP8/VP9 video decoding.
-  const bool enable_accelerated_vpx_decode_;
+  const gpu::GpuPreferences::VpxDecodeVendors enable_accelerated_vpx_decode_;
 
   // The media foundation H.264 decoder has problems handling changes like
   // resolution change, bitrate change etc. If we reinitialize the decoder