Update To 11.40.268.0
[platform/framework/web/crosswalk.git] / src / chrome / browser / ui / app_list / search / history_factory.h
1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef CHROME_BROWSER_UI_APP_LIST_SEARCH_HISTORY_FACTORY_H_
6 #define CHROME_BROWSER_UI_APP_LIST_SEARCH_HISTORY_FACTORY_H_
7
8 #include "components/keyed_service/content/browser_context_keyed_service_factory.h"
9
10 template<typename T> struct DefaultSingletonTraits;
11
12 namespace content {
13 class BrowserContext;
14 }
15
16 namespace app_list {
17
18 class History;
19
20 // Singleton that owns all History and associates them with profiles;
21 class HistoryFactory : public BrowserContextKeyedServiceFactory {
22  public:
23   // Returns singleton instance of HistoryFactory.
24   static HistoryFactory* GetInstance();
25
26   // Returns History associated with |context|.
27   static History* GetForBrowserContext(content::BrowserContext* context);
28
29  private:
30   friend struct DefaultSingletonTraits<HistoryFactory>;
31
32   HistoryFactory();
33   ~HistoryFactory() override;
34
35   // BrowserContextKeyedServiceFactory overrides:
36   KeyedService* BuildServiceInstanceFor(
37       content::BrowserContext* context) const override;
38
39   DISALLOW_COPY_AND_ASSIGN(HistoryFactory);
40 };
41
42 }  // namespace app_list
43
44 #endif  // CHROME_BROWSER_UI_APP_LIST_SEARCH_HISTORY_FACTORY_H_