Move Singleton and related structs to namespace base

chrome/browser/supervised_user/chromeos/supervised_user_password_service_factory.cc

 // Copyright 2014 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/supervised_user/chromeos/supervised_user_password_service_factory.h"
 
 #include "chrome/browser/chromeos/login/users/supervised_user_manager.h"
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
 #include "chrome/browser/profiles/incognito_helpers.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/supervised_user/chromeos/supervised_user_password_service.h"
 #include "chrome/browser/supervised_user/legacy/supervised_user_shared_settings_service_factory.h"
 #include "components/keyed_service/content/browser_context_dependency_manager.h"
 #include "components/user_manager/user.h"
 #include "components/user_manager/user_type.h"
 
 namespace chromeos {
 
 // static
 SupervisedUserPasswordService*
 SupervisedUserPasswordServiceFactory::GetForProfile(Profile* profile) {
   return static_cast<SupervisedUserPasswordService*>(
       GetInstance()->GetServiceForBrowserContext(profile, true));
 }
 
 // static
 SupervisedUserPasswordServiceFactory*
 SupervisedUserPasswordServiceFactory::GetInstance() {
-  return Singleton<SupervisedUserPasswordServiceFactory>::get();
+  return base::Singleton<SupervisedUserPasswordServiceFactory>::get();
 }
 
 SupervisedUserPasswordServiceFactory::SupervisedUserPasswordServiceFactory()
     : BrowserContextKeyedServiceFactory(
           "SupervisedUserPasswordService",
           BrowserContextDependencyManager::GetInstance()) {
   DependsOn(SupervisedUserSharedSettingsServiceFactory::GetInstance());
 }
 
 SupervisedUserPasswordServiceFactory::
@@ skipping 14 matching lines @@
   return result;
 }
 
 content::BrowserContext*
 SupervisedUserPasswordServiceFactory::GetBrowserContextToUse(
     content::BrowserContext* context) const {
   return chrome::GetBrowserContextRedirectedInIncognito(context);
 }
 
 }  // namespace chromeos