190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)// Copyright 2013 The Chromium Authors. All rights reserved.
290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be
390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)// found in the LICENSE file.
490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)
590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)#ifndef CHROME_BROWSER_UI_APP_LIST_SEARCH_HISTORY_DATA_OBSERVER_H_
690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)#define CHROME_BROWSER_UI_APP_LIST_SEARCH_HISTORY_DATA_OBSERVER_H_
790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)
890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)namespace app_list {
990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)
1090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)class HistoryDataObserver {
1190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) public:
1290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  // Invoked when the data is loaded from underlying store.
1390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  virtual void OnHistoryDataLoadedFromStore() = 0;
1490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)
1590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) protected:
1690dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)  virtual ~HistoryDataObserver() {}
1790dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)};
1890dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)
1990dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)}  // namespace app_list
2090dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)
2190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)#endif  // CHROME_BROWSER_UI_APP_LIST_SEARCH_HISTORY_DATA_OBSERVER_H_
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