[dxvavda] Mark NV12 textures as allowing overlays.

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 6422f63fe735f6b1134ce2faefefd190cf3169f9..96378458e658a7e1616ca28588df2660f62eb6eb 100644
--- a/media/gpu/dxva_video_decode_accelerator_win.h
+++ b/media/gpu/dxva_video_decode_accelerator_win.h
@@ -241,7 +241,8 @@ class MEDIA_GPU_EXPORT DXVAVideoDecodeAccelerator
   // Notifies the client about the availability of a picture.
   void NotifyPictureReady(int picture_buffer_id,
                           int input_buffer_id,
-                          const gfx::ColorSpace& color_space);
+                          const gfx::ColorSpace& color_space,
+                          bool allow_overlay);
 
   // Sends pending input buffer processed acks to the client if we don't have
   // output samples waiting to be processed.