Reenabled ChromeOS system setting for timezone selection....

chrome/chrome_browser.gypi

 # 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.
 
 {
   'targets': [
     {
       'target_name': 'browser',
       'type': '<(library)',
       'msvs_guid': '5BF908A7-68FB-4A4B-99E3-8C749F1FE4EA',
@@ skipping 389 matching lines @@
         'browser/chromeos/cros/system_library.cc',
         'browser/chromeos/cros/system_library.h',
         'browser/chromeos/cros/update_library.cc',
         'browser/chromeos/cros/update_library.h',
         'browser/chromeos/customization_document.cc',
         'browser/chromeos/customization_document.h',
         'browser/chromeos/dom_ui/accounts_options_handler.cc',
         'browser/chromeos/dom_ui/accounts_options_handler.h',
         'browser/chromeos/dom_ui/core_chromeos_options_handler.cc',
         'browser/chromeos/dom_ui/core_chromeos_options_handler.h',
+        'browser/chromeos/dom_ui/cros_options_page_ui_handler.cc',
+        'browser/chromeos/dom_ui/cros_options_page_ui_handler.h',
         'browser/chromeos/dom_ui/internet_options_handler.cc',
         'browser/chromeos/dom_ui/internet_options_handler.h',
         'browser/chromeos/dom_ui/labs_handler.cc',
         'browser/chromeos/dom_ui/labs_handler.h',
         'browser/chromeos/dom_ui/language_chewing_options_handler.cc',
         'browser/chromeos/dom_ui/language_chewing_options_handler.h',
         'browser/chromeos/dom_ui/language_hangul_options_handler.cc',
         'browser/chromeos/dom_ui/language_hangul_options_handler.h',
         'browser/chromeos/dom_ui/language_mozc_options_handler.cc',
         'browser/chromeos/dom_ui/language_mozc_options_handler.h',
         'browser/chromeos/dom_ui/language_options_handler.cc',
         'browser/chromeos/dom_ui/language_options_handler.h',
         'browser/chromeos/dom_ui/language_options_util.cc',
         'browser/chromeos/dom_ui/language_options_util.h',
         'browser/chromeos/dom_ui/language_pinyin_options_handler.cc',
         'browser/chromeos/dom_ui/language_pinyin_options_handler.h',
         'browser/chromeos/dom_ui/proxy_handler.cc',
         'browser/chromeos/dom_ui/proxy_handler.h',
         'browser/chromeos/dom_ui/system_options_handler.cc',
         'browser/chromeos/dom_ui/system_options_handler.h',
+        'browser/chromeos/dom_ui/system_settings_provider.cc',
+        'browser/chromeos/dom_ui/system_settings_provider.h',
         'browser/chromeos/drop_shadow_label.cc',
         'browser/chromeos/external_cookie_handler.cc',
         'browser/chromeos/external_cookie_handler.h',
         'browser/chromeos/external_metrics.cc',
         'browser/chromeos/external_metrics.h',
         'browser/chromeos/external_protocol_dialog.cc',
         'browser/chromeos/external_protocol_dialog.h',
         'browser/chromeos/frame/browser_frame_chromeos.cc',
         'browser/chromeos/frame/browser_frame_chromeos.h',
         'browser/chromeos/frame/browser_view.cc',
@@ skipping 3355 matching lines @@
       ],
     },
   ],
 }
 
 # Local Variables:
 # tab-width:2
 # indent-tabs-mode:nil
 # End:
 # vim: set expandtab tabstop=2 shiftwidth=2: