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/threading/thread_task_runner_handle.h"
@@ skipping 115 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::Bind(&MojoVideoDecoderService::OnVideoFrameDestroyed,
+                 base::Unretained(this)));
+}
+
+void MojoVideoDecoderService::OnVideoFrameDestroyed(
+    const base::Optional<gpu::SyncToken>& release_sync_token) {
+  DVLOG(2) << __func__;
 }
 
 }  // namespace media