Add optional max supported resolution on MediaFoundationVideoEncodeAccelerator

media/gpu/media_foundation_video_encode_accelerator_win.h

Index: media/gpu/media_foundation_video_encode_accelerator_win.h
diff --git a/media/gpu/media_foundation_video_encode_accelerator_win.h b/media/gpu/media_foundation_video_encode_accelerator_win.h
index cd67630909ec02e6e250003b35aa0d4e06d7f87c..1720a78b08bf4dca6826362a13c7221b332748d9 100644
--- a/media/gpu/media_foundation_video_encode_accelerator_win.h
+++ b/media/gpu/media_foundation_video_encode_accelerator_win.h
@@ -76,6 +76,10 @@ class MEDIA_GPU_EXPORT MediaFoundationVideoEncodeAccelerator
   // Initializes encoder parameters for real-time use.
   bool SetEncoderModes();
 
+  // Returns true if we can initialize input and output samples with the given
+  // frame size, otherwise false.
+  bool IsResolutionSupported(const gfx::Size& size);
+
   // Helper function to notify the client of an error on
   // |main_client_task_runner_|.
   void NotifyError(VideoEncodeAccelerator::Error error);