Template methods on Timer classes instead of the classes themselves.

components/rappor/rappor_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 COMPONENTS_RAPPOR_RAPPOR_SERVICE_H_
 #define COMPONENTS_RAPPOR_RAPPOR_SERVICE_H_
 
 #include <map>
 #include <string>
 
@@ skipping 139 matching lines @@
   // A callback for testing if incognito mode is active;
   const base::Callback<bool(void)> is_incognito_callback_;
 
   // Client-side secret used to generate fake bits.
   std::string secret_;
 
   // The cohort this client is assigned to. -1 is uninitialized.
   int32_t cohort_;
 
   // Timer which schedules calls to OnLogInterval().
-  base::OneShotTimer<RapporService> log_rotation_timer_;
+  base::OneShotTimer log_rotation_timer_;
 
   // A daily event for collecting metrics once a day.
   metrics::DailyEvent daily_event_;
 
   // A private LogUploader instance for sending reports to the server.
   scoped_ptr<LogUploaderInterface> uploader_;
 
   // The set of recording groups that metrics are being recorded, e.g.
   //     UMA_RECORDING_GROUP | SAFEBROWSING_RECORDING_GROUP
   int recording_groups_;
 
   // We keep all registered metrics in a map, from name to metric.
   // The map owns the metrics it contains.
   std::map<std::string, RapporMetric*> metrics_map_;
 
   internal::Sampler sampler_;
 
   base::ThreadChecker thread_checker_;
 
   DISALLOW_COPY_AND_ASSIGN(RapporService);
 };
 
 }  // namespace rappor
 
 #endif  // COMPONENTS_RAPPOR_RAPPOR_SERVICE_H_