chromium/components/history/core/browser/web_history_service_observer.h

// 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_HISTORY_CORE_BROWSER_WEB_HISTORY_SERVICE_OBSERVER_H_
#define COMPONENTS_HISTORY_CORE_BROWSER_WEB_HISTORY_SERVICE_OBSERVER_H_

namespace history {

// Observes WebHistoryService actions. Currently only history expiration
// is supported.
// TODO(msramek): Consider defining ObservableHistoryService as a common
// abstract ancestor for HistoryService and WebHistoryService. Then, we could
// change the signatures of HistoryServiceObserver to use it for both classes.
class WebHistoryServiceObserver { … };

}  // history

#endif  // COMPONENTS_HISTORY_CORE_BROWSER_WEB_HISTORY_SERVICE_OBSERVER_H_