Add proxy settings to network control at upper row of controls at login screen.

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 593 matching lines @@
         'browser/chromeos/login/owner_key_utils.cc',
         'browser/chromeos/login/owner_key_utils.h',
         'browser/chromeos/login/owner_manager.cc',
         'browser/chromeos/login/owner_manager.h',
         'browser/chromeos/login/ownership_service.cc',
         'browser/chromeos/login/ownership_service.h',
         'browser/chromeos/login/parallel_authenticator.cc',
         'browser/chromeos/login/parallel_authenticator.h',
         'browser/chromeos/login/password_changed_view.cc',
         'browser/chromeos/login/password_changed_view.h',
+        'browser/chromeos/login/proxy_settings_dialog.cc',
+        'browser/chromeos/login/proxy_settings_dialog.h',
         'browser/chromeos/login/registration_screen.cc',
         'browser/chromeos/login/registration_screen.h',
         'browser/chromeos/login/rounded_rect_painter.cc',
         'browser/chromeos/login/rounded_rect_painter.h',
         'browser/chromeos/login/screen_locker.cc',
         'browser/chromeos/login/screen_locker.h',
         'browser/chromeos/login/screen_lock_view.cc',
         'browser/chromeos/login/screen_lock_view.h',
         'browser/chromeos/login/screen_observer.h',
         'browser/chromeos/login/shutdown_button.cc',
@@ skipping 3672 matching lines @@
       ],
     },
   ],
 }
 
 # Local Variables:
 # tab-width:2
 # indent-tabs-mode:nil
 # End:
 # vim: set expandtab tabstop=2 shiftwidth=2: