Move Singleton and related structs to namespace base

content/browser/power_profiler/power_profiler_service.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_POWER_PROFILER_POWER_PROFILER_SERVICE_H_
 #define CONTENT_BROWSER_POWER_PROFILER_POWER_PROFILER_SERVICE_H_
 
 #include "base/basictypes.h"
 #include "base/memory/singleton.h"
 #include "base/observer_list.h"
@@ skipping 19 matching lines @@
 
   virtual ~PowerProfilerService();
 
  private:
   enum Status {
     UNINITIALIZED,
     INITIALIZED,  // Initialized, profiling has not started.
     PROFILING
   };
 
-  friend struct DefaultSingletonTraits<PowerProfilerService>;
+  friend struct base::DefaultSingletonTraits<PowerProfilerService>;
   friend class PowerProfilerServiceTest;
 
   PowerProfilerService();
 
   PowerProfilerService(scoped_ptr<PowerDataProvider> provider,
                        scoped_refptr<base::TaskRunner> task_runner,
                        const base::TimeDelta& sample_period);
 
   void Start();
   void Stop();
@@ skipping 18 matching lines @@
   base::ObserverList<PowerProfilerObserver> observers_;
 
   scoped_ptr<PowerDataProvider> data_provider_;
 
   DISALLOW_COPY_AND_ASSIGN(PowerProfilerService);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_POWER_PROFILER_POWER_PROFILER_SERVICE_H_