Fix up status area clock code.

chrome/browser/chromeos/status/status_area_view_chromeos.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 CHROME_BROWSER_CHROMEOS_STATUS_STATUS_AREA_VIEW_CHROMEOS_H_
 #define CHROME_BROWSER_CHROMEOS_STATUS_STATUS_AREA_VIEW_CHROMEOS_H_
 #pragma once
 
 #include "chrome/browser/chromeos/status/status_area_view.h"
 
@@ skipping 35 matching lines @@
   virtual ~StatusAreaViewChromeos();
 
   void Init(StatusAreaButton::Delegate* delegate);
 
   // PowerManagerClient::Observer:
   virtual void SystemResumed() OVERRIDE;
 
   // TimezoneSettings::Observer:
   virtual void TimezoneChanged(const icu::TimeZone& timezone) OVERRIDE;
 
-  // Sets default use 24hour clock mode.
-  void SetDefaultUse24HourClock(bool use_24hour_clock);
-
   // Convenience function to add buttons to a status area for ChromeOS.
   // |clock_button| (if non-NULL) is set to the ClockMenuButton that is created
   // by this method.
   static void AddChromeosButtons(StatusAreaView* status_area,
                                  StatusAreaButton::Delegate* delegate,
                                  ClockMenuButton** clock_button);
 
  private:
   // Current screen mode of the status area.
   static ScreenMode screen_mode_;
 
   void UpdateClockText();
 
   DISALLOW_COPY_AND_ASSIGN(StatusAreaViewChromeos);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_STATUS_STATUS_AREA_VIEW_CHROMEOS_H_