iOS factories for ProfileOAuth2TokenService and AccountTrackerService

ios/chrome/browser/signin/account_tracker_service_factory.cc

+// Copyright 2015 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 "ios/chrome/browser/signin/account_tracker_service_factory.h"
+
+#include "base/memory/singleton.h"
+#include "components/keyed_service/ios/browser_state_dependency_manager.h"
+#include "components/signin/core/browser/account_tracker_service.h"
+#include "ios/chrome/browser/signin/signin_client_factory.h"
+#include "ios/public/provider/chrome/browser/browser_state/chrome_browser_state.h"
+
+namespace ios {
+
+AccountTrackerServiceFactory::AccountTrackerServiceFactory()
+    : BrowserStateKeyedServiceFactory(
+          "AccountTrackerService",
+          BrowserStateDependencyManager::GetInstance()) {
+  DependsOn(SigninClientFactory::GetInstance());
+}
+
+AccountTrackerServiceFactory::~AccountTrackerServiceFactory() {}
+
+// static
+AccountTrackerService* AccountTrackerServiceFactory::GetForBrowserState(
+    ios::ChromeBrowserState* browser_state) {
+  return static_cast<AccountTrackerService*>(
+      GetInstance()->GetServiceForBrowserState(browser_state, true));
+}
+
+// static
+AccountTrackerServiceFactory* AccountTrackerServiceFactory::GetInstance() {
+  return Singleton<AccountTrackerServiceFactory>::get();
+}
+
+void AccountTrackerServiceFactory::RegisterBrowserStatePrefs(
+    user_prefs::PrefRegistrySyncable* registry) {
+  AccountTrackerService::RegisterPrefs(registry);
+}
+
+scoped_ptr<KeyedService> AccountTrackerServiceFactory::BuildServiceInstanceFor(
+    web::BrowserState* context) const {
+  ios::ChromeBrowserState* chrome_browser_state =
+      ios::ChromeBrowserState::FromBrowserState(context);
+  scoped_ptr<AccountTrackerService> service(new AccountTrackerService());
+  service->Initialize(
+      SigninClientFactory::GetForBrowserState(chrome_browser_state));
+  return service.Pass();
+}
+
+}  // namespace ios