Template methods on Timer classes instead of the classes themselves.

chrome/browser/performance_monitor/performance_monitor.h

 // Copyright (c) 2012 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_PERFORMANCE_MONITOR_PERFORMANCE_MONITOR_H_
 #define CHROME_BROWSER_PERFORMANCE_MONITOR_PERFORMANCE_MONITOR_H_
 
 #include <map>
 #include <vector>
 
@@ skipping 49 matching lines @@
   void GatherMetricsMapOnUIThread();
   void GatherMetricsMapOnIOThread(int current_update_sequence);
 
   void UpdateMetricsOnIOThread(int current_update_sequence);
   void RunTriggersUIThread();
 
   // A map of currently running ProcessHandles to ProcessMetrics.
   MetricsMap metrics_map_;
 
   // The timer to signal PerformanceMonitor to perform its timed collections.
-  base::OneShotTimer<PerformanceMonitor> repeating_timer_;
+  base::OneShotTimer repeating_timer_;
 
   DISALLOW_COPY_AND_ASSIGN(PerformanceMonitor);
 };
 
 }  // namespace performance_monitor
 
 #endif  // CHROME_BROWSER_PERFORMANCE_MONITOR_PERFORMANCE_MONITOR_H_