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1 // Copyright 2014 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_HISTORY_TOP_SITES_FACTORY_H_ | |
6 #define CHROME_BROWSER_HISTORY_TOP_SITES_FACTORY_H_ | |
7 | |
8 #include "base/memory/ref_counted.h" | |
9 #include "chrome/browser/history/top_sites.h" | |
10 #include "components/keyed_service/content/refcounted_browser_context_keyed_serv ice_factory.h" | |
11 | |
12 template <typename T> | |
13 struct DefaultSingletonTraits; | |
14 | |
15 // Used for creating and fetching a per-profile instance of the | |
16 // TopSites. | |
17 class TopSitesFactory : public RefcountedBrowserContextKeyedServiceFactory { | |
18 public: | |
19 // Get the TopSites service for |profile|, creating one if needed. | |
20 static scoped_refptr<history::TopSites> GetForProfile(Profile* profile); | |
21 | |
22 static scoped_refptr<history::TopSites> GetForProfileIfExists( | |
sdefresne
2015/01/08 10:41:01
nit: please comment this method.
Jitu( very slow this week)
2015/01/12 11:30:08
Done.
| |
23 Profile* profile); | |
24 | |
25 // Get the singleton instance of the factory. | |
26 static TopSitesFactory* GetInstance(); | |
27 | |
28 protected: | |
29 // Overridden from BrowserContextKeyedServiceFactory. | |
30 scoped_refptr<RefcountedKeyedService> BuildServiceInstanceFor( | |
31 content::BrowserContext* context) const override; | |
32 | |
33 private: | |
34 friend struct DefaultSingletonTraits<TopSitesFactory>; | |
35 | |
36 TopSitesFactory(); | |
37 ~TopSitesFactory() override; | |
38 | |
39 DISALLOW_COPY_AND_ASSIGN(TopSitesFactory); | |
40 }; | |
41 | |
42 #endif // CHROME_BROWSER_HISTORY_TOP_SITES_FACTORY_H_ | |
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