Generate nonproperty 'explicitInheritance' in ComputedStyleBase.

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
 import make_style_builder
 
 from name_utilities import camel_case, lower_first, upper_first_letter, enum_for_css_keyword
 
 
 # Temporary hard-coded list of fields that are not CSS properties.
 # Ideally these would be specified in a .in or .json5 file.
 NONPROPERTY_FIELDS = set([
     # Style can not be shared.
     'unique',
     # Whether this style is affected by these pseudo-classes.
     'affectedByFocus',
     'affectedByHover',
     'affectedByActive',
     'affectedByDrag',
     # A non-inherited property references a variable or @apply is used
     'hasVariableReferenceFromNonInheritedProperty',
+    # Explicitly inherits a non-inherited property
+    'hasExplicitlyInheritedProperties',
 ])
 
 
 class Field(object):
     """
     The generated ComputedStyle object is made up of a series of Fields.
     Each Field has a name, size, type, etc, and a bunch of attributes to
     determine which methods it will be used in.
 
     A Field also has enough information to use any storage type in C++, such as
@@ skipping 330 matching lines @@
                     'mapping': [('k' + camel_case(k), enum_for_css_keyword(k)) for k in property_['keywords']],
                 }
 
         return {
             'include_paths': self._include_paths,
             'mappings': mappings,
         }
 
 if __name__ == '__main__':
     json5_generator.Maker(ComputedStyleBaseWriter).main()