Template methods on Timer classes instead of the classes themselves.

chrome/browser/power/process_power_collector.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 CHROME_BROWSER_POWER_PROCESS_POWER_COLLECTOR_H_
 #define CHROME_BROWSER_POWER_PROCESS_POWER_COLLECTOR_H_
 
 #include <map>
 
 #include "base/memory/linked_ptr.h"
@@ skipping 117 matching lines @@
   // information from SynchronizeProcesses() given a total amount
   // of CPU used in this cycle, |total_cpu_percent|.
   void RecordCpuUsageByOrigin(double total_cpu_percent);
 
   // Adds the information from a given RenderProcessHost to the |metrics_map_|
   // for a given origin. Called by SynchronizeProcesses().
   void UpdateProcessInMap(const content::RenderProcessHost* render_process,
                           const GURL& origin);
 
   ProcessMetricsMap metrics_map_;
-  base::RepeatingTimer<ProcessPowerCollector> timer_;
+  base::RepeatingTimer timer_;
 
   // Callback to use to get CPU usage if set.
   CpuUsageCallback cpu_usage_callback_;
 
   // The factor to scale the CPU usage by.
   double scale_factor_;
 
   DISALLOW_COPY_AND_ASSIGN(ProcessPowerCollector);
 };
 
 #endif  // CHROME_BROWSER_POWER_PROCESS_POWER_COLLECTOR_H_