// Copyright 2018 The Chromium Authors // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef COMPONENTS_VIZ_SERVICE_FRAME_SINKS_FRAME_SINK_OBSERVER_H_ #define COMPONENTS_VIZ_SERVICE_FRAME_SINKS_FRAME_SINK_OBSERVER_H_ namespace viz { class FrameSinkId; struct BeginFrameArgs; class FrameSinkObserver { … }; } // namespace viz #endif // COMPONENTS_VIZ_SERVICE_FRAME_SINKS_FRAME_SINK_OBSERVER_H_