Reenabled ChromeOS system setting for timezone selection....

chrome/browser/chromeos/dom_ui/cros_options_page_ui_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_CROS_OPTIONS_PAGE_UI_HANDLER_H_
+#define CHROME_BROWSER_CHROMEOS_DOM_UI_CROS_OPTIONS_PAGE_UI_HANDLER_H_
+#pragma once
+
+#include "chrome/browser/chromeos/cros_settings_provider.h"
+#include "chrome/browser/dom_ui/options_ui.h"
+
+namespace chromeos {
+
+// The base class handler of Javascript messages of options pages.
+class CrosOptionsPageUIHandler : public OptionsPageUIHandler {
+ public:
+  explicit CrosOptionsPageUIHandler(CrosSettingsProvider* provider);
+  virtual ~CrosOptionsPageUIHandler();
+
+ protected:
+  scoped_ptr<CrosSettingsProvider> settings_provider_;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(CrosOptionsPageUIHandler);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_DOM_UI_CROS_OPTIONS_PAGE_UI_HANDLER_H_