Reenabled ChromeOS system setting for timezone selection....

chrome/browser/chromeos/dom_ui/cros_options_page_ui_handler.cc

+// 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.
+
+#include "chrome/browser/chromeos/dom_ui/cros_options_page_ui_handler.h"
+
+#include "base/values.h"
+#include "chrome/browser/chromeos/cros_settings.h"
+
+namespace chromeos {
+
+CrosOptionsPageUIHandler::CrosOptionsPageUIHandler(
+    CrosSettingsProvider* provider) : settings_provider_(provider) {
+  if (settings_provider_.get())
+    CrosSettings::Get()->AddSettingsProvider(settings_provider_.get());
+}
+
+CrosOptionsPageUIHandler::~CrosOptionsPageUIHandler() {
+  if (settings_provider_.get())
+    CrosSettings::Get()->RemoveSettingsProvider(settings_provider_.get());
+}
+
+}  // namespace chromeos