PART1: Initiated the SignedSettings refactoring.

chrome/chrome_browser.gypi

 # Copyright (c) 2011 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': 'static_library',
       'dependencies': [
@@ skipping 3660 matching lines @@
         'browser/ui/webui/options/chromeos/about_page_handler.cc',
         'browser/ui/webui/options/chromeos/about_page_handler.h',
         'browser/ui/webui/options/chromeos/accounts_options_handler.cc',
         'browser/ui/webui/options/chromeos/accounts_options_handler.h',
         'browser/ui/webui/options/chromeos/change_picture_options_handler.cc',
         'browser/ui/webui/options/chromeos/change_picture_options_handler.h',
         'browser/ui/webui/options/chromeos/core_chromeos_options_handler.cc',
         'browser/ui/webui/options/chromeos/core_chromeos_options_handler.h',
         'browser/ui/webui/options/chromeos/cros_language_options_handler.cc',
         'browser/ui/webui/options/chromeos/cros_language_options_handler.h',
-        'browser/ui/webui/options/chromeos/cros_options_page_ui_handler.cc',
-        'browser/ui/webui/options/chromeos/cros_options_page_ui_handler.h',
         'browser/ui/webui/options/chromeos/internet_options_handler.cc',
         'browser/ui/webui/options/chromeos/internet_options_handler.h',
         'browser/ui/webui/options/chromeos/language_chewing_handler.cc',
         'browser/ui/webui/options/chromeos/language_chewing_handler.h',
         'browser/ui/webui/options/chromeos/language_customize_modifier_keys_handler.cc',
         'browser/ui/webui/options/chromeos/language_customize_modifier_keys_handler.h',
         'browser/ui/webui/options/chromeos/language_hangul_handler.cc',
         'browser/ui/webui/options/chromeos/language_hangul_handler.h',
         'browser/ui/webui/options/chromeos/language_mozc_handler.cc',
         'browser/ui/webui/options/chromeos/language_mozc_handler.h',
@@ skipping 1439 matching lines @@
               # weak imports in dependents, who still must #include
               # closure_blocks_leopard_compat.h to get weak imports.
               'type': 'none',
             }],
           ],
         },
       ],
     }],
   ],
 }