[Mac] Convert the nib file on disk over to a xib format instead....

webkit/tools/test_shell/test_shell.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.
 
 {
   'variables': {
     'test_shell_windows_resource_files': [
       'resources/test_shell.rc',
       'resources/pan_east.cur',
       'resources/pan_middle.cur',
@@ skipping 233 matching lines @@
         # Technically not a unit test but require functions available only to
         # unit tests.
         'UNIT_TEST'
       ],
       'sources': [
         'test_shell_main.cc',
       ],
       'mac_bundle_resources': [
         '../../data/test_shell/',
         'mac/English.lproj/InfoPlist.strings',
-        'mac/English.lproj/MainMenu.nib',
+        'mac/English.lproj/MainMenu.xib',
         'mac/Info.plist',
         'mac/test_shell.icns',
         'resources/AHEM____.TTF',
       ],
       'mac_bundle_resources!': [
         # TODO(mark): Come up with a fancier way to do this (mac_info_plist?)
         # that automatically sets the correct INFOPLIST_FILE setting and adds
         # the file to a source group.
         'mac/Info.plist',
       ],
@@ skipping 445 matching lines @@
       ],
     }],
   ],
 }
 
 # Local Variables:
 # tab-width:2
 # indent-tabs-mode:nil
 # End:
 # vim: set expandtab tabstop=2 shiftwidth=2: