Generate keyword part of vertical-align property 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
@@ skipping 41 matching lines @@
     # TODO(shend): Remove these fields and delete the 'storage_only' template.
     {'name': 'EmptyState', 'field_template': 'storage_only', 'size': 1, 'default_value': 'false',
      'type_name': 'bool', 'inherited': False, 'independent': False},
     {'name': 'StyleType', 'field_template': 'storage_only', 'size': 6, 'default_value': '0',
      'type_name': 'PseudoId', 'inherited': False, 'independent': False},
     {'name': 'PseudoBits', 'field_template': 'storage_only', 'size': 8, 'default_value': 'PseudoIdNone',
      'type_name': 'PseudoId', 'inherited': False, 'independent': False},
     # True if 'underline solid' is the only text decoration on this element.
     {'name': 'HasSimpleUnderline', 'field_template': 'storage_only', 'size': 1, 'default_value': 'false',
      'type_name': 'bool', 'inherited': True, 'independent': False},
+    # TODO(shend): vertical align is actually a CSS property, but since we don't support union fields
+    # which can be either a keyword or Length, this is generated as a nonproperty for now. Remove this
+    # once we can support union fields and groups.
+    {'name': 'VerticalAlign', 'field_template': 'storage_only', 'size': 4, 'default_value': 'EVerticalAlign::kBaseline',
+     'type_name': 'EVerticalAlign', 'inherited': False, 'independent': False},
 ]
 
 
 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 295 matching lines @@
                     'mapping': [(enum_value_name(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()