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