// Copyright 2014 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_SYNC_ENGINE_EVENTS_PROTOCOL_EVENT_OBSERVER_H_ #define COMPONENTS_SYNC_ENGINE_EVENTS_PROTOCOL_EVENT_OBSERVER_H_ namespace syncer { class ProtocolEvent; class ProtocolEventObserver { … }; } // namespace syncer #endif // COMPONENTS_SYNC_ENGINE_EVENTS_PROTOCOL_EVENT_OBSERVER_H_