Reenabled ChromeOS system setting for timezone selection....

chrome/browser/chromeos/dom_ui/accounts_options_handler.h

Index: chrome/browser/chromeos/dom_ui/accounts_options_handler.h
===================================================================
--- chrome/browser/chromeos/dom_ui/accounts_options_handler.h	(revision 56142)
+++ chrome/browser/chromeos/dom_ui/accounts_options_handler.h	(working copy)
@@ -6,12 +6,12 @@
 #define CHROME_BROWSER_CHROMEOS_DOM_UI_ACCOUNTS_OPTIONS_HANDLER_H_
 #pragma once
 
-#include "chrome/browser/dom_ui/options_ui.h"
+#include "chrome/browser/chromeos/dom_ui/cros_options_page_ui_handler.h"
 
 namespace chromeos {
 
 // ChromeOS accounts options page handler.
-class AccountsOptionsHandler : public OptionsPageUIHandler {
+class AccountsOptionsHandler : public CrosOptionsPageUIHandler {
  public:
   AccountsOptionsHandler();
   virtual ~AccountsOptionsHandler();