ChromeOS: Implement periodic timezone refresh on geolocation data.

chrome/browser/chromeos/net/delay_network_call.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.
 
 // This file contains utility functions to wait for network state.
 
 #ifndef CHROME_BROWSER_CHROMEOS_NET_DELAY_NETWORK_CALL_H_
 #define CHROME_BROWSER_CHROMEOS_NET_DELAY_NETWORK_CALL_H_
 
 namespace base {
 
 template <typename T>
 class Callback;
 
 typedef Callback<void(void)> Closure;
 
 class TimeDelta;
 
 }  // namespace base
 
 namespace chromeos {
 
 // Default delay to be used as an argument to DelayNetworkCall().
 extern const unsigned kDefaultNetworkRetryDelayMS;
 
 // Delay callback until the network is connected or while on a captive portal.
-void DelayNetworkCall(const base::Closure& callback, base::TimeDelta retry);
+void DelayNetworkCall(base::TimeDelta retry, const base::Closure& callback);
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_NET_DELAY_NETWORK_CALL_H_