extensions/browser/extension_registry_factory.h

   1 // Copyright 2013 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 EXTENSIONS_BROWSER_EXTENSION_REGISTRY_FACTORY_H_
   6 #define EXTENSIONS_BROWSER_EXTENSION_REGISTRY_FACTORY_H_
   7
   8 #include "base/compiler_specific.h"
   9 #include "base/memory/singleton.h"
  10 #include "components/keyed_service/content/browser_context_keyed_service_factory.h"
  11
  12 namespace extensions {
  13
  14 class ExtensionRegistry;
  15
  16 // Factory for ExtensionRegistry objects. ExtensionRegistry objects are shared
  17 // between an incognito browser context and its master browser context.
  18 class ExtensionRegistryFactory : public BrowserContextKeyedServiceFactory {
  19  public:
  20   static ExtensionRegistry* GetForBrowserContext(
  21       content::BrowserContext* context);
  22
  23   static ExtensionRegistryFactory* GetInstance();
  24
  25  private:
  26   friend struct base::DefaultSingletonTraits<ExtensionRegistryFactory>;
  27
  28   ExtensionRegistryFactory();
  29   ~ExtensionRegistryFactory() override;
  30
  31   // BrowserContextKeyedServiceFactory implementation:
  32   KeyedService* BuildServiceInstanceFor(
  33       content::BrowserContext* context) const override;
  34   content::BrowserContext* GetBrowserContextToUse(
  35       content::BrowserContext* context) const override;
  36
  37   DISALLOW_COPY_AND_ASSIGN(ExtensionRegistryFactory);
  38 };
  39
  40 }  // namespace extensions
  41
  42 #endif  // EXTENSIONS_BROWSER_EXTENSION_REGISTRY_FACTORY_H_