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// Copyright 2014 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_EXTENSIONS_EXTENSION_GARBAGE_COLLECTOR_FACTORY_H_
#define CHROME_BROWSER_EXTENSIONS_EXTENSION_GARBAGE_COLLECTOR_FACTORY_H_

#include "components/keyed_service/content/browser_context_keyed_service_factory.h"

template <typename T>
struct DefaultSingletonTraits;

class Profile;

namespace extensions {

class ExtensionGarbageCollector;

class ExtensionGarbageCollectorFactory
    : public BrowserContextKeyedServiceFactory {
 public:
  static ExtensionGarbageCollector* GetForBrowserContext(
      content::BrowserContext* context);

  static ExtensionGarbageCollectorFactory* GetInstance();

  static scoped_ptr<KeyedService> BuildInstanceFor(
      content::BrowserContext* context);

 private:
  friend struct DefaultSingletonTraits<ExtensionGarbageCollectorFactory>;

  ExtensionGarbageCollectorFactory();
  ~ExtensionGarbageCollectorFactory() override;

  // BrowserContextKeyedServiceFactory overrides:
  KeyedService* BuildServiceInstanceFor(
      content::BrowserContext* context) const override;

  bool ServiceIsCreatedWithBrowserContext() const override;
  bool ServiceIsNULLWhileTesting() const override;

  DISALLOW_COPY_AND_ASSIGN(ExtensionGarbageCollectorFactory);
};

}  // namespace extensions

#endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_GARBAGE_COLLECTOR_FACTORY_H_