Move Singleton and related structs to namespace base

chrome/browser/policy/schema_registry_service_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/policy/schema_registry_service_factory.h"
 
 #include "base/logging.h"
 #include "chrome/browser/policy/schema_registry_service.h"
 #include "components/keyed_service/content/browser_context_dependency_manager.h"
 #include "components/policy/core/common/schema.h"
@@ skipping 40 matching lines @@
     return NULL;
 
   return service->GetBrokerForUser(user->email());
 }
 
 }  // namespace
 #endif  // OS_CHROMEOS
 
 // static
 SchemaRegistryServiceFactory* SchemaRegistryServiceFactory::GetInstance() {
-  return Singleton<SchemaRegistryServiceFactory>::get();
+  return base::Singleton<SchemaRegistryServiceFactory>::get();
 }
 
 // static
 SchemaRegistryService* SchemaRegistryServiceFactory::GetForContext(
     content::BrowserContext* context) {
   return GetInstance()->GetForContextInternal(context);
 }
 
 // static
 scoped_ptr<SchemaRegistryService>
@@ skipping 76 matching lines @@
 
 bool SchemaRegistryServiceFactory::HasTestingFactory(
     content::BrowserContext* context) {
   return false;
 }
 
 void SchemaRegistryServiceFactory::CreateServiceNow(
     content::BrowserContext* context) {}
 
 }  // namespace policy