Template methods on Timer classes instead of the classes themselves.

storage/browser/quota/quota_temporary_storage_evictor.h

 // Copyright 2013 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 STORAGE_BROWSER_QUOTA_QUOTA_TEMPORARY_STORAGE_EVICTOR_H_
 #define STORAGE_BROWSER_QUOTA_QUOTA_TEMPORARY_STORAGE_EVICTOR_H_
 
 #include <map>
 #include <string>
 
@@ skipping 104 matching lines @@
 
   Statistics statistics_;
   Statistics previous_statistics_;
   EvictionRoundStatistics round_statistics_;
   base::Time time_of_end_of_last_nonskipped_round_;
   base::Time time_of_end_of_last_round_;
 
   int64 interval_ms_;
   bool repeated_eviction_;
 
-  base::OneShotTimer<QuotaTemporaryStorageEvictor> eviction_timer_;
-  base::RepeatingTimer<QuotaTemporaryStorageEvictor> histogram_timer_;
+  base::OneShotTimer eviction_timer_;
+  base::RepeatingTimer histogram_timer_;
   base::WeakPtrFactory<QuotaTemporaryStorageEvictor> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(QuotaTemporaryStorageEvictor);
 };
 
 }  // namespace storage
 
 #endif  // STORAGE_BROWSER_QUOTA_QUOTA_TEMPORARY_STORAGE_EVICTOR_H_