Start moving signin code out of browser/sync.

chrome/browser/ui/webui/signin/login_ui_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 "chrome/browser/ui/webui/signin/login_ui_service_factory.h"
+
+#include "chrome/browser/prefs/pref_service.h"
+#include "chrome/browser/profiles/profile_dependency_manager.h"
+#include "chrome/browser/signin/signin_manager.h"
+#include "chrome/browser/ui/webui/signin/login_ui_service.h"
+#include "chrome/common/pref_names.h"
+
+LoginUIServiceFactory::LoginUIServiceFactory()
+    : ProfileKeyedServiceFactory("LoginUIServiceFactory",
+                                 ProfileDependencyManager::GetInstance()) {
+}
+
+LoginUIServiceFactory::~LoginUIServiceFactory() {}
+
+// static
+LoginUIService* LoginUIServiceFactory::GetForProfile(Profile* profile) {
+  return static_cast<LoginUIService*>(
+      GetInstance()->GetServiceForProfile(profile, true));
+}
+
+// static
+LoginUIServiceFactory* LoginUIServiceFactory::GetInstance() {
+  return Singleton<LoginUIServiceFactory>::get();
+}
+
+ProfileKeyedService* LoginUIServiceFactory::BuildServiceInstanceFor(
+    Profile* profile) const {
+  LoginUIService* service = new LoginUIService(profile);
+  return service;
+}
+