Introduce new runtime feature state "deprecated" and use it for showModalDialog

Source/build/scripts/make_runtime_features.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 25 matching lines @@
 
 
 class RuntimeFeatureWriter(in_generator.Writer):
     class_name = 'RuntimeEnabledFeatures'
     filters = {
         'enable_conditional': name_utilities.enable_conditional_if_endif,
     }
 
     # FIXME: valid_values and defaults should probably roll into one object.
     valid_values = {
-        'status': ['stable', 'experimental', 'test'],
+        'status': ['stable', 'experimental', 'test', 'deprecated'],
     }
     defaults = {
         'condition' : None,
         'depends_on' : [],
         'custom': False,
         'status': None,
     }
 
+    _status_aliases = {
+        'deprecated': 'test',
+    }
+
     def __init__(self, in_file_path):
         super(RuntimeFeatureWriter, self).__init__(in_file_path)
         self._outputs = {(self.class_name + '.h'): self.generate_header,
                          (self.class_name + '.cpp'): self.generate_implementation,
                         }
 
         self._features = self.in_file.name_dictionaries
         # Make sure the resulting dictionaries have all the keys we expect.
         for feature in self._features:
             feature['first_lowered_name'] = lower_first(feature['name'])
+            feature['status'] = self._status_aliases.get(feature['status'], feature['status'])
             # Most features just check their isFooEnabled bool
             # but some depend on more than one bool.
             enabled_condition = 'is%sEnabled' % feature['name']
             for dependant_name in feature['depends_on']:
                 enabled_condition += ' && is%sEnabled' % dependant_name
             feature['enabled_condition'] = enabled_condition
         self._non_custom_features = filter(lambda feature: not feature['custom'], self._features)
 
     def _feature_sets(self):
         # Another way to think of the status levels is as "sets of features"
         # which is how we're referring to them in this generator.
-        return self.valid_values['status']
+        return [status for status in self.valid_values['status'] if status not in self._status_aliases]
 
     @template_expander.use_jinja(class_name + '.h.tmpl', filters=filters)
     def generate_header(self):
         return {
             'features': self._features,
             'feature_sets': self._feature_sets(),
         }
 
     @template_expander.use_jinja(class_name + '.cpp.tmpl', filters=filters)
     def generate_implementation(self):
         return {
             'features': self._features,
             'feature_sets': self._feature_sets(),
         }
 
 
 if __name__ == '__main__':
     in_generator.Maker(RuntimeFeatureWriter).main(sys.argv)