Move Singleton and related structs to namespace base

content/browser/geofencing/geofencing_manager.h

 // 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.
 
 #ifndef CONTENT_BROWSER_GEOFENCING_GEOFENCING_MANAGER_H_
 #define CONTENT_BROWSER_GEOFENCING_GEOFENCING_MANAGER_H_
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/callback_forward.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/browser/geofencing/geofencing_registration_delegate.h"
 #include "content/browser/service_worker/service_worker_context_observer.h"
 #include "content/browser/service_worker/service_worker_storage.h"
 #include "content/common/content_export.h"
 #include "content/common/geofencing_types.h"
 #include "content/common/service_worker/service_worker_status_code.h"
 
+namespace base {
 template <typename T>
 struct DefaultSingletonTraits;
+}  // namespace base  // namespace base
+
 class GURL;
 
 namespace blink {
 struct WebCircularGeofencingRegion;
 };
 
 namespace content {
 
 class GeofencingService;
 class MockGeofencingService;
@@ skipping 153 matching lines @@
   GeofencingService* service_;
   scoped_ptr<MockGeofencingService> mock_service_;
   scoped_refptr<ServiceWorkerContextWrapper> service_worker_context_;
 
   DISALLOW_COPY_AND_ASSIGN(GeofencingManager);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_GEOFENCING_GEOFENCING_MANAGER_H_