Clean up *.in files related to DOM exceptions and events

Source/core/scripts/make_event_factory.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 39 matching lines @@
 %(factory_implementation)s
     return 0;
 }
 
 } // namespace WebCore
 """
 
 
 class EventFactoryWriter(name_macros.Writer):
     defaults = {
-        'JSInterfaceName': None,
-        'interfaceName': None,
+        'implementedAs': None,
         'conditional': None,
         'runtimeConditional': None,
     }
     default_parameters = {
         'namespace': '',
     }
 
     def __init__(self, in_file_path, enabled_conditions):
         super(EventFactoryWriter, self).__init__(in_file_path, enabled_conditions)
         self._outputs[(self.class_name + ".cpp")] = self.generate_implementation
 
     def _events(self):
         return self.in_file.name_dictionaries
 
     def _factory_implementation(self, event):
         runtime_condition = ''
         if event['runtimeConditional']:
             runtime_condition = ' && RuntimeEnabledFeatures::' + event['runtimeConditional'] + '()'
         name = os.path.basename(event['name'])
-        interface_name = event['interfaceName'] if event['interfaceName'] else name
+        class_name = self._class_name_for_entry(event)
         implementation = """    if (type == "%(name)s"%(runtime_condition)s)
-        return %(interface_name)s::create();""" % {
+        return %(class_name)s::create();""" % {
             'name': name,
             'runtime_condition': runtime_condition,
-            'interface_name': interface_name,
+            'class_name': class_name,
         }
         return self.wrap_with_condition(implementation, event['conditional'])
 
     def generate_implementation(self):
         return IMPLEMENTATION_TEMPLATE % {
             'class_name': self.class_name,
             'license': license.license_for_generated_cpp(),
             'factory_implementation': "\n".join(map(self._factory_implementation, self._events())),
         }
 
 
 if __name__ == "__main__":
     name_macros.Maker(EventFactoryWriter).main(sys.argv)