chrome/browser/favicon/fallback_icon_service_factory.h

   1 // Copyright 2015 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_FAVICON_FALLBACK_ICON_SERVICE_FACTORY_H_
   6 #define CHROME_BROWSER_FAVICON_FALLBACK_ICON_SERVICE_FACTORY_H_
   7
   8 #include "components/keyed_service/content/browser_context_keyed_service_factory.h"
   9
  10 namespace base {
  11 template <typename T> struct DefaultSingletonTraits;
  12 }
  13
  14 namespace content {
  15 class BrowserContext;
  16 }
  17
  18 namespace favicon {
  19 class FallbackIconService;
  20 }
  21
  22 // Singleton that owns all FallbackIconService and associates them with
  23 // BrowserContext instances.
  24 class FallbackIconServiceFactory : public BrowserContextKeyedServiceFactory {
  25  public:
  26   static favicon::FallbackIconService* GetForBrowserContext(
  27       content::BrowserContext* context);
  28
  29   static FallbackIconServiceFactory* GetInstance();
  30
  31  private:
  32   friend struct base::DefaultSingletonTraits<FallbackIconServiceFactory>;
  33
  34   FallbackIconServiceFactory();
  35   ~FallbackIconServiceFactory() override;
  36
  37   // BrowserContextKeyedServiceFactory:
  38   KeyedService* BuildServiceInstanceFor(
  39       content::BrowserContext* context) const override;
  40   bool ServiceIsNULLWhileTesting() const override;
  41
  42   DISALLOW_COPY_AND_ASSIGN(FallbackIconServiceFactory);
  43 };
  44
  45 #endif  // CHROME_BROWSER_FAVICON_FALLBACK_ICON_SERVICE_FACTORY_H_