Limit form-less Autofilling to pages that look like checkout pages.

components/autofill.gypi

 # Copyright (c) 2013 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': [
     {
       # GN version: //components/autofill/core/common
       'target_name': 'autofill_core_common',
       'type': 'static_library',
       'dependencies': [
         '../base/base.gyp:base',
         '../base/base.gyp:base_i18n',
         '../ui/base/ui_base.gyp:ui_base',
         '../ui/gfx/gfx.gyp:gfx',
         '../url/url.gyp:url_lib',
       ],
       'include_dirs': [
         '..',
       ],
       'sources': [
         'autofill/core/common/autofill_constants.cc',
         'autofill/core/common/autofill_constants.h',
         'autofill/core/common/autofill_data_validation.cc',
         'autofill/core/common/autofill_data_validation.h',
         'autofill/core/common/autofill_l10n_util.cc',
         'autofill/core/common/autofill_l10n_util.h',
         'autofill/core/common/autofill_pref_names.cc',
         'autofill/core/common/autofill_pref_names.h',
+        'autofill/core/common/autofill_regexes.cc',
+        'autofill/core/common/autofill_regexes.h',
         'autofill/core/common/autofill_switches.cc',
         'autofill/core/common/autofill_switches.h',
         'autofill/core/common/form_data.cc',
         'autofill/core/common/form_data.h',
         'autofill/core/common/form_data_predictions.cc',
         'autofill/core/common/form_data_predictions.h',
         'autofill/core/common/form_field_data.cc',
         'autofill/core/common/form_field_data.h',
         'autofill/core/common/form_field_data_predictions.cc',
         'autofill/core/common/form_field_data_predictions.h',
@@ skipping 79 matching lines @@
         'autofill/core/browser/autofill_manager.cc',
         'autofill/core/browser/autofill_manager.h',
         'autofill/core/browser/autofill_manager_test_delegate.h',
         'autofill/core/browser/autofill_metrics.cc',
         'autofill/core/browser/autofill_metrics.h',
         'autofill/core/browser/autofill_popup_delegate.h',
         'autofill/core/browser/autofill_profile.cc',
         'autofill/core/browser/autofill_profile.h',
         'autofill/core/browser/autofill_regex_constants.cc',
         'autofill/core/browser/autofill_regex_constants.h',
-        'autofill/core/browser/autofill_regexes.cc',
-        'autofill/core/browser/autofill_regexes.h',
         'autofill/core/browser/autofill_scanner.cc',
         'autofill/core/browser/autofill_scanner.h',
         'autofill/core/browser/autofill_server_field_info.h',
         'autofill/core/browser/autofill_sync_constants.cc',
         'autofill/core/browser/autofill_sync_constants.h',
         'autofill/core/browser/autofill_type.cc',
         'autofill/core/browser/autofill_type.h',
         'autofill/core/browser/autofill_xml_parser.cc',
         'autofill/core/browser/autofill_xml_parser.h',
         'autofill/core/browser/card_unmask_delegate.cc',
@@ skipping 324 matching lines @@
             ],
           },
           'includes': [
             '../ios/web/js_compile.gypi',
           ],
         },
       ],
     }],
   ],
 }