Move border-*-width out of BorderValue and store on SurroundData in ComputedStyle instead

third_party/WebKit/Source/build/scripts/make_computed_style_base.py

 #!/usr/bin/env python
 # Copyright 2016 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.
 
 import math
 import sys
 
 import json5_generator
 import template_expander
@@ skipping 331 matching lines @@
         for property_ in self._properties.values():
             if property_['field_template'] is not None:
                 assert not property_['longhands'], \
                     "Shorthand '{}' cannot have a field_template.".format(property_['name'])
 
         css_properties = [value for value in self._properties.values() if not value['longhands']]
 
         for property_ in css_properties:
             # All CSS properties that are generated do not have custom comparison and copy logic.
             property_['has_custom_compare_and_copy'] = False
-            # CSS properties are not allowed to explicitly specify their field_size.
-            property_['field_size'] = None
 
         # Read extra fields using the parameter specification from the CSS properties file.
         extra_fields = json5_generator.Json5File.load_from_files(
             [json5_file_paths[1]],
             default_parameters=self.json5_file.parameters
         ).name_dictionaries
 
         for property_ in extra_fields:
             make_style_builder.apply_property_naming_defaults(property_)
 
@@ skipping 38 matching lines @@
 
     @template_expander.use_jinja('ComputedStyleBaseConstants.h.tmpl')
     def generate_base_computed_style_constants(self):
         return {
             'properties': self._properties,
             'enums': self._generated_enums,
         }
 
 if __name__ == '__main__':
     json5_generator.Maker(ComputedStyleBaseWriter).main()