text: // Copyright (c) 2012 The Chromium Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  #ifndef CHROME_BROWSER_SIGNIN_ABOUT_SIGNIN_INTERNALS_FACTORY_H_
  #define CHROME_BROWSER_SIGNIN_ABOUT_SIGNIN_INTERNALS_FACTORY_H_
  
  #include "base/memory/singleton.h"
  #include "components/keyed_service/content/browser_context_keyed_service_factory.h"
  
  class AboutSigninInternals;
  class Profile;
  
  // Singleton that owns all AboutSigninInternals and associates them with
  // Profiles.
  class AboutSigninInternalsFactory : public BrowserContextKeyedServiceFactory {
   public:
    // Returns the instance of AboutSigninInternals associated with this profile,
    // creating one if none exists.
    static AboutSigninInternals* GetForProfile(Profile* profile);
  
    // Returns an instance of the AboutSigninInternalsFactory singleton.
    static AboutSigninInternalsFactory* GetInstance();
  
    // Implementation of BrowserContextKeyedServiceFactory.
    virtual void RegisterProfilePrefs(
        user_prefs::PrefRegistrySyncable* registry) OVERRIDE;
  
   private:
    friend struct DefaultSingletonTraits<AboutSigninInternalsFactory>;
  
    AboutSigninInternalsFactory();
    virtual ~AboutSigninInternalsFactory();
  
    // BrowserContextKeyedServiceFactory
    virtual KeyedService* BuildServiceInstanceFor(
        content::BrowserContext* context) const OVERRIDE;
  };
  
  #endif  // CHROME_BROWSER_SIGNIN_ABOUT_SIGNIN_INTERNALS_FACTORY_H_
  