Template methods on Timer classes instead of the classes themselves.

remoting/host/heartbeat_sender.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 REMOTING_HOST_HEARTBEAT_SENDER_H_
 #define REMOTING_HOST_HEARTBEAT_SENDER_H_
 
 #include <string>
 
 #include "base/callback.h"
@@ skipping 140 matching lines @@
 
   base::Closure on_heartbeat_successful_callback_;
   base::Closure on_unknown_host_id_error_;
   std::string host_id_;
   SignalStrategy* signal_strategy_;
   scoped_refptr<const RsaKeyPair> host_key_pair_;
   std::string directory_bot_jid_;
   scoped_ptr<IqSender> iq_sender_;
   scoped_ptr<IqRequest> request_;
   int interval_ms_;
-  base::RepeatingTimer<HeartbeatSender> timer_;
-  base::OneShotTimer<HeartbeatSender> timer_resend_;
+  base::RepeatingTimer timer_;
+  base::OneShotTimer timer_resend_;
   int sequence_id_;
   bool sequence_id_was_set_;
   int sequence_id_recent_set_num_;
   bool heartbeat_succeeded_;
   int failed_startup_heartbeat_count_;
 
   // Fields to send and indicate completion of sending host-offline-reason.
   std::string host_offline_reason_;
   base::Callback<void(bool success)> host_offline_reason_ack_callback_;
-  base::OneShotTimer<HeartbeatSender> host_offline_reason_timeout_timer_;
+  base::OneShotTimer host_offline_reason_timeout_timer_;
 
   base::ThreadChecker thread_checker_;
 
   DISALLOW_COPY_AND_ASSIGN(HeartbeatSender);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_HEARTBEAT_SENDER_H_