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
12namespace extensions {
13
14class ExtensionRegistry;
15
16// Factory for ExtensionRegistry objects. ExtensionRegistry objects are shared
17// between an incognito browser context and its master browser context.
18class ExtensionRegistryFactory : public BrowserContextKeyedServiceFactory {
19 public:
20  static ExtensionRegistry* GetForBrowserContext(
21      content::BrowserContext* context);
22
23  static ExtensionRegistryFactory* GetInstance();
24
25 private:
26  friend struct DefaultSingletonTraits<ExtensionRegistryFactory>;
27
28  ExtensionRegistryFactory();
29  virtual ~ExtensionRegistryFactory();
30
31  // BrowserContextKeyedServiceFactory implementation:
32  virtual KeyedService* BuildServiceInstanceFor(
33      content::BrowserContext* context) const OVERRIDE;
34  virtual 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_
43