text: // Copyright 2018 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_WEB_APPLICATIONS_WEB_APP_PROVIDER_FACTORY_H_
  #define CHROME_BROWSER_WEB_APPLICATIONS_WEB_APP_PROVIDER_FACTORY_H_
  
  #include "base/memory/singleton.h"
  #include "components/keyed_service/content/browser_context_keyed_service_factory.h"
  
  namespace content {
  class BrowserContext;
  }
  
  class Profile;
  
  namespace web_app {
  
  class WebAppProvider;
  
  // Singleton that owns all WebAppProviderFactories and associates them with
  // Profile. Clients of WebAppProvider cannot use this class to obtain
  // WebAppProvider instances, instead they should call WebAppProvider static
  // methods.
  class WebAppProviderFactory : public BrowserContextKeyedServiceFactory {
   public:
    WebAppProviderFactory(const WebAppProviderFactory&) = delete;
    WebAppProviderFactory& operator=(const WebAppProviderFactory&) = delete;
  
    static WebAppProviderFactory* GetInstance();
  
   private:
    friend struct base::DefaultSingletonTraits<WebAppProviderFactory>;
    friend class WebAppProvider;
  
    WebAppProviderFactory();
    ~WebAppProviderFactory() override;
  
    // Called by WebAppProvider static methods.
    static WebAppProvider* GetForProfile(Profile* profile);
  
    void DependsOnExtensionsSystem();
  
    // BrowserContextKeyedServiceFactory
    KeyedService* BuildServiceInstanceFor(
        content::BrowserContext* context) const override;
    bool ServiceIsCreatedWithBrowserContext() const override;
    content::BrowserContext* GetBrowserContextToUse(
        content::BrowserContext* context) const override;
  };
  
  }  // namespace web_app
  
  #endif  // CHROME_BROWSER_WEB_APPLICATIONS_WEB_APP_PROVIDER_FACTORY_H_
  