// Copyright 2016 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_SURFACES_SURFACE_OBSERVER_H_ #define COMPONENTS_VIZ_SERVICE_SURFACES_SURFACE_OBSERVER_H_ #include "components/viz/service/viz_service_export.h" namespace viz { class Surface; class SurfaceId; class SurfaceInfo; struct BeginFrameAck; struct BeginFrameArgs; class VIZ_SERVICE_EXPORT SurfaceObserver { … }; } // namespace viz #endif // COMPONENTS_VIZ_SERVICE_SURFACES_SURFACE_OBSERVER_H_