Move Singleton and related structs to namespace base

chrome/browser/enhanced_bookmarks/bookmark_server_cluster_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/enhanced_bookmarks/bookmark_server_cluster_service_factory.h"
 
 #include "base/memory/singleton.h"
 #include "chrome/browser/bookmarks/bookmark_model_factory.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/enhanced_bookmarks/enhanced_bookmark_model_factory.h"
@@ skipping 18 matching lines @@
   DependsOn(SigninManagerFactory::GetInstance());
   DependsOn(BookmarkModelFactory::GetInstance());
 }
 
 BookmarkServerClusterServiceFactory::~BookmarkServerClusterServiceFactory() {
 }
 
 // static
 BookmarkServerClusterServiceFactory*
 BookmarkServerClusterServiceFactory::GetInstance() {
-  return Singleton<BookmarkServerClusterServiceFactory>::get();
+  return base::Singleton<BookmarkServerClusterServiceFactory>::get();
 }
 
 // static
 BookmarkServerClusterService*
 BookmarkServerClusterServiceFactory::GetForBrowserContext(
     content::BrowserContext* context) {
   DCHECK(!context->IsOffTheRecord());
   return static_cast<BookmarkServerClusterService*>(
       GetInstance()->GetServiceForBrowserContext(context, true));
 }
@@ skipping 12 matching lines @@
       ProfileSyncServiceFactory::GetForProfile(profile), profile->GetPrefs());
 }
 
 content::BrowserContext*
 BookmarkServerClusterServiceFactory::GetBrowserContextToUse(
     content::BrowserContext* context) const {
   return chrome::GetBrowserContextRedirectedInIncognito(context);
 }
 
 }  // namespace enhanced_bookmarks