[Autofill] Add a unit test for the autofill_regexes code.

chrome/chrome_tests.gypi

 # Copyright (c) 2012 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' : {
     'pyautolib_sources': [
       'app/chrome_command_ids.h',
       'app/chrome_dll_resource.h',
       'common/automation_constants.h',
       'common/pref_names.cc',
@@ skipping 1080 matching lines @@
         'browser/autofill/autofill_country_unittest.cc',
         'browser/autofill/autofill_download_unittest.cc',
         'browser/autofill/autofill_external_delegate_unittest.cc',
         'browser/autofill/autofill_field_unittest.cc',
         'browser/autofill/autofill_ie_toolbar_import_win_unittest.cc',
         'browser/autofill/autofill_manager_unittest.cc',
         'browser/autofill/autofill_merge_unittest.cc',
         'browser/autofill/autofill_metrics_unittest.cc',
         'browser/autofill/autofill_profile_unittest.cc',
         'browser/autofill/autofill_popup_unittest.cc',
+        'browser/autofill/autofill_regexes_unittest.cc',
         'browser/autofill/autofill_type_unittest.cc',
         'browser/autofill/autofill_xml_parser_unittest.cc',
         'browser/autofill/contact_info_unittest.cc',
         'browser/autofill/credit_card_field_unittest.cc',
         'browser/autofill/credit_card_unittest.cc',
         'browser/autofill/form_field_unittest.cc',
         'browser/autofill/form_structure_unittest.cc',
         'browser/autofill/name_field_unittest.cc',
         'browser/autofill/password_autofill_manager_unittest.cc',
         'browser/autofill/password_generator_unittest.cc',
@@ skipping 3845 matching lines @@
             'sync_integration_tests.isolate',
           ],
           'sources': [
             'sync_integration_tests.isolate',
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }