Remove CustomEvent from Sky

sky/engine/build/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 23 matching lines @@
 from in_file import InFile
 import name_macros
 import name_utilities
 import template_expander
 
 
 def case_insensitive_matching(name):
     return (name == ('HTMLEvents')
             or name == 'Event'
             or name == 'Events'
-            or name.startswith('UIEvent')
-            or name.startswith('CustomEvent'))
+            or name.startswith('UIEvent'))
 
 class EventFactoryWriter(name_macros.Writer):
     defaults = {
         'ImplementedAs': None,
         'Conditional': None,
         'RuntimeEnabled': None,
     }
     default_parameters = {
         'namespace': '',
         'suffix': '',
     }
     filters = {
         'cpp_name': name_utilities.cpp_name,
         'enable_conditional': name_utilities.enable_conditional_if_endif,
         'lower_first': name_utilities.lower_first,
         'case_insensitive_matching': case_insensitive_matching,
         'script_name': name_utilities.script_name,
     }
 
     def __init__(self, in_file_path):
         super(EventFactoryWriter, self).__init__(in_file_path)
 
 if __name__ == "__main__":
     name_macros.Maker(EventFactoryWriter).main(sys.argv)