Move Singleton and related structs to namespace base

chrome/browser/translate/translate_accept_languages_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/translate/translate_accept_languages_factory.h"
 
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/profiles/incognito_helpers.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/pref_names.h"
@@ skipping 24 matching lines @@
     PrefService* prefs)
     : accept_languages_(prefs, prefs::kAcceptLanguages) {}
 
 TranslateAcceptLanguagesService::~TranslateAcceptLanguagesService() {}
 
 }  // namespace
 
 // static
 TranslateAcceptLanguagesFactory*
 TranslateAcceptLanguagesFactory::GetInstance() {
-  return Singleton<TranslateAcceptLanguagesFactory>::get();
+  return base::Singleton<TranslateAcceptLanguagesFactory>::get();
 }
 
 // static
 translate::TranslateAcceptLanguages*
 TranslateAcceptLanguagesFactory::GetForBrowserContext(
     content::BrowserContext* context) {
   TranslateAcceptLanguagesService* service =
       static_cast<TranslateAcceptLanguagesService*>(
           GetInstance()->GetServiceForBrowserContext(context, true));
   return &service->accept_languages();
@@ skipping 10 matching lines @@
     content::BrowserContext* browser_context) const {
   Profile* profile = Profile::FromBrowserContext(browser_context);
   return new TranslateAcceptLanguagesService(profile->GetPrefs());
 }
 
 content::BrowserContext*
 TranslateAcceptLanguagesFactory::GetBrowserContextToUse(
     content::BrowserContext* context) const {
   return chrome::GetBrowserContextRedirectedInIncognito(context);
 }