media: Use native DecodeStatus in media mojo interfaces

media/mojo/services/mojo_video_decoder_service.h

Index: media/mojo/services/mojo_video_decoder_service.h
diff --git a/media/mojo/services/mojo_video_decoder_service.h b/media/mojo/services/mojo_video_decoder_service.h
index 89836b464ae8307b1ae2ec800c18d99da239cbcb..bbb16cd17a74197a779c74922c86d9a8cc7439c2 100644
--- a/media/mojo/services/mojo_video_decoder_service.h
+++ b/media/mojo/services/mojo_video_decoder_service.h
@@ -37,11 +37,16 @@ class MojoVideoDecoderService : public mojom::VideoDecoder {
   void Reset(const ResetCallback& callback) final;
 
  private:
+  // Helper methods so that we can bind them with a weak pointer to avoid
+  // running mojom::VideoDecoder callbacks after connection error happens and
+  // |this| is deleted. It's not safe to run the callbacks after a connection
+  // error.
   void OnDecoderInitialized(const InitializeCallback& callback, bool success);
   void OnDecoderDecoded(const DecodeCallback& callback, DecodeStatus status);
-  void OnDecoderOutput(const scoped_refptr<VideoFrame>& frame);
   void OnDecoderReset(const ResetCallback& callback);
 
+  void OnDecoderOutput(const scoped_refptr<VideoFrame>& frame);
+
   mojom::VideoDecoderClientAssociatedPtr client_;
   std::unique_ptr<MojoDecoderBufferReader> mojo_decoder_buffer_reader_;