media: Use native DecodeStatus in media mojo interfaces

media/mojo/clients/mojo_video_decoder.cc

Index: media/mojo/clients/mojo_video_decoder.cc
diff --git a/media/mojo/clients/mojo_video_decoder.cc b/media/mojo/clients/mojo_video_decoder.cc
index 3eb07a770dd586489594adce62c7f030dd565b04..ee293e6471ae67dcc86671e9a25b07f4e21dfe30 100644
--- a/media/mojo/clients/mojo_video_decoder.cc
+++ b/media/mojo/clients/mojo_video_decoder.cc
@@ -102,10 +102,10 @@ void MojoVideoDecoder::OnVideoFrameDecoded(mojom::VideoFramePtr frame) {
   output_cb_.Run(frame.To<scoped_refptr<VideoFrame>>());
 }
 
-void MojoVideoDecoder::OnDecodeDone(mojom::DecodeStatus status) {
+void MojoVideoDecoder::OnDecodeDone(DecodeStatus status) {
   DVLOG(1) << __FUNCTION__;
   DCHECK(task_runner_->BelongsToCurrentThread());
-  base::ResetAndReturn(&decode_cb_).Run(static_cast<DecodeStatus>(status));
+  base::ResetAndReturn(&decode_cb_).Run(status);
 }
 
 void MojoVideoDecoder::Reset(const base::Closure& reset_cb) {