Move application restart and relaunch code out of ExtensionService.

apps/app_load_service_factory.h

+// Copyright (c) 2012 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 APPS_APP_LOAD_SERVICE_FACTORY_H_
+#define APPS_APP_LOAD_SERVICE_FACTORY_H_
+
+#include "base/memory/singleton.h"
+#include "components/browser_context_keyed_service/browser_context_keyed_service_factory.h"
+
+class Profile;
+
+namespace apps {
+
+class AppLoadService;
+
+class AppLoadServiceFactory : public BrowserContextKeyedServiceFactory {
+ public:
+  static AppLoadService* GetForProfile(Profile* profile);
+
+  static AppLoadServiceFactory* GetInstance();
+
+ private:
+  friend struct DefaultSingletonTraits<AppLoadServiceFactory>;
+
+  AppLoadServiceFactory();
+  virtual ~AppLoadServiceFactory();
+
+  // BrowserContextKeyedServiceFactory:
+  virtual BrowserContextKeyedService* BuildServiceInstanceFor(
+      content::BrowserContext* context) const OVERRIDE;
+  virtual bool ServiceIsCreatedWithBrowserContext() const OVERRIDE;
+  virtual bool ServiceIsNULLWhileTesting() const OVERRIDE;
+  virtual content::BrowserContext* GetBrowserContextToUse(
+      content::BrowserContext* context) const OVERRIDE;
+};
+
+}  // namespace apps
+
+#endif  // APPS_APP_LOAD_SERVICE_FACTORY_H_