Move application restart and relaunch code out of ExtensionService.

apps/app_load_service_factory.cc

+// 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.
+
+#include "apps/app_load_service_factory.h"
+
+#include "apps/app_load_service.h"
+#include "chrome/browser/extensions/extension_prefs_factory.h"
+#include "chrome/browser/extensions/extension_system_factory.h"
+#include "chrome/browser/extensions/shell_window_registry.h"
+#include "chrome/browser/profiles/incognito_helpers.h"
+#include "chrome/browser/profiles/profile.h"
+#include "components/browser_context_keyed_service/browser_context_dependency_manager.h"
+
+namespace apps {
+
+// static
+AppLoadService* AppLoadServiceFactory::GetForProfile(Profile* profile) {
+  return static_cast<AppLoadService*>(
+      GetInstance()->GetServiceForBrowserContext(profile, true));
+}
+
+AppLoadServiceFactory* AppLoadServiceFactory::GetInstance() {
+  return Singleton<AppLoadServiceFactory>::get();
+}
+
+AppLoadServiceFactory::AppLoadServiceFactory()
+    : BrowserContextKeyedServiceFactory(
+        "AppLoadService",
+        BrowserContextDependencyManager::GetInstance()) {
+  DependsOn(extensions::ExtensionPrefsFactory::GetInstance());
+  DependsOn(extensions::ExtensionSystemFactory::GetInstance());
+  DependsOn(extensions::ShellWindowRegistry::Factory::GetInstance());
+}
+
+AppLoadServiceFactory::~AppLoadServiceFactory() {
+}
+
+BrowserContextKeyedService* AppLoadServiceFactory::BuildServiceInstanceFor(
+    content::BrowserContext* profile) const {
+  return new AppLoadService(static_cast<Profile*>(profile));
+}
+
+bool AppLoadServiceFactory::ServiceIsNULLWhileTesting() const {
+  return false;
+}
+
+bool AppLoadServiceFactory::ServiceIsCreatedWithBrowserContext() const {
+  return true;
+}
+
+content::BrowserContext* AppLoadServiceFactory::GetBrowserContextToUse(
+    content::BrowserContext* context) const {
+  return chrome::GetBrowserContextRedirectedInIncognito(context);
+}
+
+}  // namespace apps