Add an AutofillProfileComparator class.

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',
@@ skipping 117 matching lines @@
         'autofill/core/browser/autofill_ie_toolbar_import_win.cc',
         'autofill/core/browser/autofill_ie_toolbar_import_win.h',
         '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_profile_comparator.cc',
+        'autofill/core/browser/autofill_profile_comparator.h',
         'autofill/core/browser/autofill_regex_constants.cc',
         'autofill/core/browser/autofill_regex_constants.h',
         'autofill/core/browser/autofill_scanner.cc',
         'autofill/core/browser/autofill_scanner.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_wallet_data_type_controller.cc',
         'autofill/core/browser/autofill_wallet_data_type_controller.h',
@@ skipping 413 matching lines @@
             ],
           },
           'includes': [
             '../ios/web/js_compile_checked.gypi',
           ],
         },
       ],
     }],
   ],
 }