Move Singleton and related structs to namespace base

chrome/browser/profile_resetter/automatic_profile_resetter_factory.cc

 // Copyright 2013 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/profile_resetter/automatic_profile_resetter_factory.h"
 
 #include "base/memory/singleton.h"
 #include "base/prefs/pref_registry_simple.h"
 #include "chrome/browser/profile_resetter/automatic_profile_resetter.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/search_engines/template_url_service_factory.h"
 #include "chrome/browser/ui/global_error/global_error_service_factory.h"
 #include "chrome/common/pref_names.h"
 #include "components/keyed_service/content/browser_context_dependency_manager.h"
 #include "components/pref_registry/pref_registry_syncable.h"
 #include "content/public/browser/browser_context.h"
 
 // static
 AutomaticProfileResetter* AutomaticProfileResetterFactory::GetForBrowserContext(
     content::BrowserContext* context) {
   return static_cast<AutomaticProfileResetter*>(
       GetInstance()->GetServiceForBrowserContext(context, true));
 }
 
 // static
 AutomaticProfileResetterFactory*
 AutomaticProfileResetterFactory::GetInstance() {
-  return Singleton<AutomaticProfileResetterFactory>::get();
+  return base::Singleton<AutomaticProfileResetterFactory>::get();
 }
 
 // static
 void AutomaticProfileResetterFactory::RegisterPrefs(
     PrefRegistrySimple* registry) {
   registry->RegisterDictionaryPref(
       prefs::kProfileResetPromptMementosInLocalState);
 }
 
 AutomaticProfileResetterFactory::AutomaticProfileResetterFactory()
@@ skipping 22 matching lines @@
 }
 
 bool AutomaticProfileResetterFactory::
     ServiceIsCreatedWithBrowserContext() const {
   return true;
 }
 
 bool AutomaticProfileResetterFactory::ServiceIsNULLWhileTesting() const {
   return true;
 }