Listen to XI_HierarchyChanged events and call setxkbmap when needed.

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',
       'msvs_guid': '5BF908A7-68FB-4A4B-99E3-8C749F1FE4EA',
@@ skipping 721 matching lines @@
         'browser/chromeos/volume_bubble.cc',
         'browser/chromeos/volume_bubble.h',
         'browser/chromeos/web_socket_proxy_controller.cc',
         'browser/chromeos/web_socket_proxy_controller.h',
         'browser/chromeos/web_socket_proxy.cc',
         'browser/chromeos/web_socket_proxy.h',
         'browser/chromeos/wm_ipc.cc',
         'browser/chromeos/wm_ipc.h',
         'browser/chromeos/wm_message_listener.cc',
         'browser/chromeos/wm_message_listener.h',
+        'browser/chromeos/xinput_hierarchy_changed_event_listener.cc',
+        'browser/chromeos/xinput_hierarchy_changed_event_listener.h',
         'browser/cocoa/authorization_util.h',
         'browser/cocoa/authorization_util.mm',
         'browser/cocoa/file_metadata.h',
         'browser/cocoa/file_metadata.mm',
         'browser/cocoa/install_from_dmg.h',
         'browser/cocoa/install_from_dmg.mm',
         'browser/cocoa/keystone_glue.h',
         'browser/cocoa/keystone_glue.mm',
         'browser/cocoa/scoped_authorizationref.h',
         'browser/command_updater.cc',
@@ skipping 3868 matching lines @@
       'hard_dependency': 1,
     },
   ],
 }
 
 # Local Variables:
 # tab-width:2
 # indent-tabs-mode:nil
 # End:
 # vim: set expandtab tabstop=2 shiftwidth=2: