Template methods on Timer classes instead of the classes themselves.

net/dns/dns_transaction.cc

 // 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.
 
 #include "net/dns/dns_transaction.h"
 
 #include <deque>
 #include <string>
 #include <vector>
 
@@ skipping 943 matching lines @@
 
   // List of attempts for the current name.
   ScopedVector<DnsAttempt> attempts_;
   // Count of attempts, not reset when |attempts_| vector is cleared.
   int  attempts_count_;
   bool had_tcp_attempt_;
 
   // Index of the first server to try on each search query.
   int first_server_index_;
 
-  base::OneShotTimer<DnsTransactionImpl> timer_;
+  base::OneShotTimer timer_;
 
   DISALLOW_COPY_AND_ASSIGN(DnsTransactionImpl);
 };
 
 // ----------------------------------------------------------------------------
 
 // Implementation of DnsTransactionFactory that returns instances of
 // DnsTransactionImpl.
 class DnsTransactionFactoryImpl : public DnsTransactionFactory {
  public:
@@ skipping 17 matching lines @@
 }  // namespace
 
 // static
 scoped_ptr<DnsTransactionFactory> DnsTransactionFactory::CreateFactory(
     DnsSession* session) {
   return scoped_ptr<DnsTransactionFactory>(
       new DnsTransactionFactoryImpl(session));
 }
 
 }  // namespace net