chromium/components/sync/engine/events/protocol_event_observer.h

// 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_