Template methods on Timer classes instead of the classes themselves.

extensions/shell/browser/shell_network_controller_chromeos.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 EXTENSIONS_SHELL_BROWSER_SHELL_NETWORK_CONTROLLER_CHROMEOS_H_
 #define EXTENSIONS_SHELL_BROWSER_SHELL_NETWORK_CONTROLLER_CHROMEOS_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
@@ skipping 53 matching lines @@
   void HandleConnectionSuccess();
   void HandleConnectionError(const std::string& error_name,
                              scoped_ptr<base::DictionaryValue> error_data);
 
   // Current status of communication with the chromeos::NetworkStateHandler.
   // This is tracked to avoid sending duplicate requests before the handler has
   // acknowledged the initial connection attempt.
   State state_;
 
   // Invokes RequestScan() periodically.
-  base::RepeatingTimer<ShellNetworkController> scan_timer_;
+  base::RepeatingTimer scan_timer_;
 
   // Optionally-supplied name of the preferred network.
   std::string preferred_network_name_;
 
   // True if the preferred network is connected or connecting.
   bool preferred_network_is_active_;
 
   base::WeakPtrFactory<ShellNetworkController> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ShellNetworkController);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_SHELL_BROWSER_SHELL_NETWORK_CONTROLLER_CHROMEOS_H_