Template methods on Timer classes instead of the classes themselves.

content/browser/media/audio_stream_monitor.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_MEDIA_AUDIO_STREAM_MONITOR_H_
 #define CONTENT_BROWSER_MEDIA_AUDIO_STREAM_MONITOR_H_
 
 #include <map>
 #include <utility>
 
@@ skipping 121 matching lines @@
   StreamPollCallbackMap poll_callbacks_;
 
   // Records the last time at which sound was audible from any stream.
   base::TimeTicks last_blurt_time_;
 
   // Set to true if the last call to MaybeToggle() determined the indicator
   // should be turned on.
   bool was_recently_audible_;
 
   // Calls Poll() at regular intervals while |poll_callbacks_| is non-empty.
-  base::RepeatingTimer<AudioStreamMonitor> poll_timer_;
+  base::RepeatingTimer poll_timer_;
 
   // Started only when an indicator is toggled on, to turn it off again in the
   // future.
-  base::OneShotTimer<AudioStreamMonitor> off_timer_;
+  base::OneShotTimer off_timer_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioStreamMonitor);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_MEDIA_AUDIO_STREAM_MONITOR_H_