Make font-related CSS properties less custom.

Source/build/scripts/make_style_builder.py

 #!/usr/bin/env python
 # Copyright (C) 2013 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
@@ skipping 21 matching lines @@
 
 import in_generator
 import template_expander
 
 
 class StyleBuilderWriter(in_generator.Writer):
     class_name = 'StyleBuilder'
 
     valid_values = {
         'svg': [True, False],
+        'font': [True, False],
         'custom_all': [True, False],
         'custom_initial': [True, False],
         'custom_inherit': [True, False],
         'custom_value': [True, False],
     }
     defaults = {
         'condition': None,
         'name_for_methods': None,
         'use_handlers_for': None,
         'svg': False,
+        'font': False,
         'converter': None,
 # These depend on property name by default
         'type_name': None,
         'getter': None,
         'setter': None,
         'initial': None,
 # Setting these stops default handlers being generated
 # Setting custom_all is the same as setting the other three
         'custom_all': False,
         'custom_initial': False,
@@ skipping 57 matching lines @@
 
     @template_expander.use_jinja("StyleBuilder.cpp.tmpl")
     def generate_style_builder(self):
         return {
             "properties": self._properties,
         }
 
 
 if __name__ == "__main__":
     in_generator.Maker(StyleBuilderWriter).main(sys.argv)