Template methods on Timer classes instead of the classes themselves.

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 41 matching lines @@
   // Query power data from PowerDataProvider, executes on the WorkerPool thread.
   void QueryDataOnTaskRunner();
 
   // Initiate the query on the UI thread, the task is delegated to
   // QueryDataOnTaskRunner.
   void QueryData();
 
   // Executes on the UI thread.
   void Notify(const PowerEventVector&);
 
-  base::RepeatingTimer<PowerProfilerService> query_power_timer_;
+  base::RepeatingTimer query_power_timer_;
   scoped_refptr<base::TaskRunner> task_runner_;
 
   Status status_;
 
   // Sampling period of power data measurement.
   base::TimeDelta sample_period_;
   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_