Example MojoVideoDecoder decoder using the command buffer.

media/mojo/services/mojo_video_decoder_service.cc

Index: media/mojo/services/mojo_video_decoder_service.cc
diff --git a/media/mojo/services/mojo_video_decoder_service.cc b/media/mojo/services/mojo_video_decoder_service.cc
index 8ec218a0ecf9bced3ee81a38b2f28e948b85bdf5..54772cf4be43c87cd93f9ed2bf03fedcc1435cdc 100644
--- a/media/mojo/services/mojo_video_decoder_service.cc
+++ b/media/mojo/services/mojo_video_decoder_service.cc
@@ -31,15 +31,16 @@ MojoVideoDecoderService::~MojoVideoDecoderService() {}
 
 void MojoVideoDecoderService::Construct(
     mojom::VideoDecoderClientAssociatedPtrInfo client,
-    mojo::ScopedDataPipeConsumerHandle decoder_buffer_pipe) {
-  DVLOG(1) << __FUNCTION__;
+    mojo::ScopedDataPipeConsumerHandle decoder_buffer_pipe,
+    mojom::CommandBufferIdPtr command_buffer_id) {
+  DVLOG(1) << __func__;
 
+  // TODO(sandersd): Enter an error state.
   if (decoder_)
     return;
 
-  // TODO(sandersd): Provide callback for requesting a GpuCommandBufferStub.
   decoder_ = mojo_media_client_->CreateVideoDecoder(
-      base::ThreadTaskRunnerHandle::Get());
+      base::ThreadTaskRunnerHandle::Get(), std::move(command_buffer_id));
 
   client_.Bind(std::move(client));
 
@@ -50,7 +51,7 @@ void MojoVideoDecoderService::Construct(
 void MojoVideoDecoderService::Initialize(mojom::VideoDecoderConfigPtr config,
                                          bool low_delay,
                                          const InitializeCallback& callback) {
-  DVLOG(1) << __FUNCTION__;
+  DVLOG(1) << __func__;
 
   if (!decoder_) {
     callback.Run(false, false, 1);
@@ -66,7 +67,7 @@ void MojoVideoDecoderService::Initialize(mojom::VideoDecoderConfigPtr config,
 
 void MojoVideoDecoderService::Decode(mojom::DecoderBufferPtr buffer,
                                      const DecodeCallback& callback) {
-  DVLOG(2) << __FUNCTION__;
+  DVLOG(2) << __func__;
 
   if (!decoder_) {
     callback.Run(DecodeStatus::DECODE_ERROR);
@@ -79,7 +80,7 @@ void MojoVideoDecoderService::Decode(mojom::DecoderBufferPtr buffer,
 }
 
 void MojoVideoDecoderService::Reset(const ResetCallback& callback) {
-  DVLOG(1) << __FUNCTION__;
+  DVLOG(1) << __func__;
 
   if (!decoder_) {
     callback.Run();
@@ -93,7 +94,7 @@ void MojoVideoDecoderService::Reset(const ResetCallback& callback) {
 void MojoVideoDecoderService::OnDecoderInitialized(
     const InitializeCallback& callback,
     bool success) {
-  DVLOG(1) << __FUNCTION__;
+  DVLOG(1) << __func__;
   DCHECK(decoder_);
   callback.Run(success, decoder_->NeedsBitstreamConversion(),
                decoder_->GetMaxDecodeRequests());
@@ -116,20 +117,20 @@ void MojoVideoDecoderService::OnDecoderRead(
 
 void MojoVideoDecoderService::OnDecoderDecoded(const DecodeCallback& callback,
                                                DecodeStatus status) {
-  DVLOG(2) << __FUNCTION__;
+  DVLOG(2) << __func__;
   DCHECK(decoder_);
   DCHECK(decoder_->CanReadWithoutStalling());
   callback.Run(status);
 }
 
 void MojoVideoDecoderService::OnDecoderReset(const ResetCallback& callback) {
-  DVLOG(1) << __FUNCTION__;
+  DVLOG(1) << __func__;
   callback.Run();
 }
 
 void MojoVideoDecoderService::OnDecoderOutput(
     const scoped_refptr<VideoFrame>& frame) {
-  DVLOG(2) << __FUNCTION__;
+  DVLOG(2) << __func__;
   DCHECK(client_);
   client_->OnVideoFrameDecoded(mojom::VideoFrame::From(frame));
 }