Fix up status area clock code.

chrome/browser/chromeos/login/background_view.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_LOGIN_BACKGROUND_VIEW_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_BACKGROUND_VIEW_H_
 #pragma once
 
 #include <string>
 
@@ skipping 70 matching lines @@
 
   // Hides screen saver.
   void HideScreenSaver();
 
   // Tells if screen saver is visible.
   bool IsScreenSaverVisible();
 
   // Tells if screen saver is enabled.
   bool ScreenSaverEnabled();
 
-  // Sets default clock 24 hour mode to use.
-  void SetDefaultUse24HourClock(bool use_24hour_clock);
-
   // Overridden from views::View:
   virtual void Layout() OVERRIDE;
 
  protected:
   // Overridden from views::View:
   virtual void ChildPreferredSizeChanged(View* child) OVERRIDE;
   virtual void OnLocaleChanged() OVERRIDE;
 
   // Overridden from StatusAreaButton::Delegate:
   virtual bool ShouldExecuteStatusAreaCommand(
@@ skipping 40 matching lines @@
 
   // Updates version info.
   VersionInfoUpdater version_info_updater_;
 
   DISALLOW_COPY_AND_ASSIGN(BackgroundView);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_BACKGROUND_VIEW_H_