Move Singleton and related structs to namespace base

components/wifi_sync/wifi_credential_syncable_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 "components/wifi_sync/wifi_credential_syncable_service_factory.h"
 
 #include <string>
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 42 matching lines @@
 WifiCredentialSyncableService*
 WifiCredentialSyncableServiceFactory::GetForBrowserContext(
     content::BrowserContext* browser_context) {
   return static_cast<WifiCredentialSyncableService*>(
       GetInstance()->GetServiceForBrowserContext(browser_context, true));
 }
 
 // static
 WifiCredentialSyncableServiceFactory*
 WifiCredentialSyncableServiceFactory::GetInstance() {
-  return Singleton<WifiCredentialSyncableServiceFactory>::get();
+  return base::Singleton<WifiCredentialSyncableServiceFactory>::get();
 }
 
 // Private methods.
 
 WifiCredentialSyncableServiceFactory::WifiCredentialSyncableServiceFactory()
     : BrowserContextKeyedServiceFactory(
         "WifiCredentialSyncableService",
         BrowserContextDependencyManager::GetInstance()) {
 }
 
@@ skipping 21 matching lines @@
   // ChromeBrowserMainPartsChromeos, and destroyed after all
   // KeyedService instances are destroyed.
   chromeos::NetworkHandler* network_handler = chromeos::NetworkHandler::Get();
   return make_scoped_ptr(new WifiConfigDelegateChromeOs(
       GetUserHash(context, !ignore_login_state_for_test_),
       network_handler->managed_network_configuration_handler()));
 }
 #endif
 
 }  // namespace wifi_sync