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      1 // Copyright (c) 2012 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_WEBUI_SIGNIN_LOGIN_UI_SERVICE_FACTORY_H_
      6 #define CHROME_BROWSER_UI_WEBUI_SIGNIN_LOGIN_UI_SERVICE_FACTORY_H_
      7 
      8 #include "base/memory/singleton.h"
      9 #include "components/keyed_service/content/browser_context_keyed_service_factory.h"
     10 
     11 class LoginUIService;
     12 class Profile;
     13 
     14 // Singleton that owns all LoginUIServices and associates them with
     15 // Profiles. Listens for the Profile's destruction notification and cleans up
     16 // the associated LoginUIService.
     17 class LoginUIServiceFactory : public BrowserContextKeyedServiceFactory {
     18  public:
     19   // Returns the instance of LoginUIService associated with this profile
     20   // (creating one if none exists). Returns NULL if this profile cannot have a
     21   // LoginUIService (for example, if |profile| is incognito).
     22   static LoginUIService* GetForProfile(Profile* profile);
     23 
     24   // Returns an instance of the LoginUIServiceFactory singleton.
     25   static LoginUIServiceFactory* GetInstance();
     26 
     27  private:
     28   friend struct DefaultSingletonTraits<LoginUIServiceFactory>;
     29 
     30   LoginUIServiceFactory();
     31   virtual ~LoginUIServiceFactory();
     32 
     33   // BrowserContextKeyedServiceFactory:
     34   virtual KeyedService* BuildServiceInstanceFor(
     35       content::BrowserContext* profile) const OVERRIDE;
     36 
     37   DISALLOW_COPY_AND_ASSIGN(LoginUIServiceFactory);
     38 };
     39 
     40 #endif  // CHROME_BROWSER_UI_WEBUI_SIGNIN_LOGIN_UI_SERVICE_FACTORY_H_
     41