Add mailbox-based Mojo VideoFrame variant.

media/mojo/services/mojo_video_decoder_service.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "media/mojo/services/mojo_video_decoder_service.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/logging.h"
+#include "base/optional.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "media/base/decoder_buffer.h"
 #include "media/base/video_decoder.h"
 #include "media/base/video_decoder_config.h"
 #include "media/base/video_frame.h"
 #include "media/mojo/common/media_type_converters.h"
 #include "media/mojo/common/mojo_decoder_buffer_converter.h"
 #include "media/mojo/services/mojo_media_client.h"
 #include "mojo/public/c/system/types.h"
 #include "mojo/public/cpp/system/buffer.h"
@@ skipping 106 matching lines @@
 
 void MojoVideoDecoderService::OnDecoderReset(const ResetCallback& callback) {
   DVLOG(1) << __func__;
   callback.Run();
 }
 
 void MojoVideoDecoderService::OnDecoderOutput(
     const scoped_refptr<VideoFrame>& frame) {
   DVLOG(2) << __func__;
   DCHECK(client_);
-  client_->OnVideoFrameDecoded(mojom::VideoFrame::From(frame));
+  client_->OnVideoFrameDecoded(mojom::VideoFrame::From(frame), base::nullopt);
+}
+
+void MojoVideoDecoderService::OnReleaseMailbox(
+    const base::UnguessableToken& release_token,
+    const gpu::SyncToken& release_sync_token) {
+  DVLOG(2) << __func__;
 }
 
 }  // namespace media