Move Singleton and related structs to namespace base

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 "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 10 matching lines @@
 LoginUIServiceFactory::~LoginUIServiceFactory() {}
 
 // static
 LoginUIService* LoginUIServiceFactory::GetForProfile(Profile* profile) {
   return static_cast<LoginUIService*>(
       GetInstance()->GetServiceForBrowserContext(profile, true));
 }
 
 // static
 LoginUIServiceFactory* LoginUIServiceFactory::GetInstance() {
-  return Singleton<LoginUIServiceFactory>::get();
+  return base::Singleton<LoginUIServiceFactory>::get();
 }
 
 // static
 base::Closure LoginUIServiceFactory::GetShowLoginPopupCallbackForProfile(
     Profile* profile) {
   return base::Bind(
       &LoginUIService::ShowLoginPopup,
       base::Unretained(LoginUIServiceFactory::GetForProfile(profile)));
 }
 
 KeyedService* LoginUIServiceFactory::BuildServiceInstanceFor(
     content::BrowserContext* profile) const {
   return new LoginUIService(static_cast<Profile*>(profile));
 }