Split options page code/html into its own set of files

chrome/browser/chromeos/dom_ui/system_options_handler.h

 // Copyright (c) 2010 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_DOM_UI_SYSTEM_OPTIONS_HANDLER_H_
 #define CHROME_BROWSER_CHROMEOS_DOM_UI_SYSTEM_OPTIONS_HANDLER_H_
 
 #include <string>
 #include <vector>
 
 #include "chrome/browser/dom_ui/options_ui.h"
 #include "third_party/icu/public/i18n/unicode/timezone.h"
 
 // ChromeOS system options page UI handler.
 class SystemOptionsHandler : public OptionsPageUIHandler {
  public:
   SystemOptionsHandler();
   virtual ~SystemOptionsHandler();
 
   // OptionsUIHandler implementation.
   virtual void GetLocalizedValues(DictionaryValue* localized_strings);
 
  private:
   // Creates the map of timezones used by the options page.
-  DictionaryValue* GetTimezoneMap();
+  ListValue* GetTimezoneList();
 
   // Gets timezone name.
-  std::string GetTimezoneName(const icu::TimeZone* timezone);
+  std::wstring GetTimezoneName(const icu::TimeZone* timezone);
 
   // Gets timezone ID which is also used as timezone pref value.
   std::wstring GetTimezoneID(const icu::TimeZone* timezone);
 
   // Timezones.
   std::vector<icu::TimeZone*> timezones_;
 
   DISALLOW_COPY_AND_ASSIGN(SystemOptionsHandler);
 };
 
 #endif  // CHROME_BROWSER_CHROMEOS_DOM_UI_SYSTEM_OPTIONS_HANDLER_H_