Template methods on Timer classes instead of the classes themselves.

net/http/http_response_body_drainer.h

 // Copyright (c) 2011 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 NET_HTTP_HTTP_RESPONSE_BODY_DRAINER_H_
 #define NET_HTTP_HTTP_RESPONSE_BODY_DRAINER_H_
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 38 matching lines @@
 
   void OnIOComplete(int result);
   void OnTimerFired();
   void Finish(int result);
 
   scoped_refptr<IOBuffer> read_buf_;
   const scoped_ptr<HttpStream> stream_;
   State next_state_;
   int total_read_;
   CompletionCallback user_callback_;
-  base::OneShotTimer<HttpResponseBodyDrainer> timer_;
+  base::OneShotTimer timer_;
   HttpNetworkSession* session_;
 
   DISALLOW_COPY_AND_ASSIGN(HttpResponseBodyDrainer);
 };
 
 }  // namespace net
 
 #endif // NET_HTTP_HTTP_RESPONSE_BODY_DRAINER_H_