|  | // Copyright 2022 The Chromium Authors | 
|  | // Use of this source code is governed by a BSD-style license that can be | 
|  | // found in the LICENSE file. | 
|  |  | 
|  | #ifndef EXTENSIONS_BROWSER_EXTENSION_PREFS_HELPER_FACTORY_H_ | 
|  | #define EXTENSIONS_BROWSER_EXTENSION_PREFS_HELPER_FACTORY_H_ | 
|  |  | 
|  | #include "base/memory/singleton.h" | 
|  | #include "components/keyed_service/content/browser_context_keyed_service_factory.h" | 
|  |  | 
|  | namespace extensions { | 
|  |  | 
|  | class ExtensionPrefsHelper; | 
|  |  | 
|  | class ExtensionPrefsHelperFactory : public BrowserContextKeyedServiceFactory { | 
|  | public: | 
|  | static ExtensionPrefsHelper* GetForBrowserContext( | 
|  | content::BrowserContext* context); | 
|  |  | 
|  | static ExtensionPrefsHelperFactory* GetInstance(); | 
|  |  | 
|  | private: | 
|  | friend struct base::DefaultSingletonTraits<ExtensionPrefsHelperFactory>; | 
|  |  | 
|  | ExtensionPrefsHelperFactory(); | 
|  | ~ExtensionPrefsHelperFactory() override; | 
|  |  | 
|  | std::unique_ptr<KeyedService> BuildServiceInstanceForBrowserContext( | 
|  | content::BrowserContext* context) const override; | 
|  | content::BrowserContext* GetBrowserContextToUse( | 
|  | content::BrowserContext* context) const override; | 
|  | bool ServiceIsNULLWhileTesting() const override; | 
|  | }; | 
|  |  | 
|  | }  // namespace extensions | 
|  |  | 
|  | #endif  // EXTENSIONS_BROWSER_EXTENSION_PREFS_HELPER_FACTORY_H_ |