IDL: ArrayBuffer and ArrayBufferView support for union types

Source/bindings/scripts/compute_interfaces_info_individual.py

 #!/usr/bin/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.
@@ skipping 125 matching lines @@
         return (thing.idl_type for thing in things
                 if thing.idl_type.is_union_type)
 
     this_union_types = set()
     for interface in definitions.interfaces.itervalues():
         this_union_types.update(union_types_from(interface.attributes))
         for operation in interface.operations:
             this_union_types.update(union_types_from(operation.arguments))
             if operation.idl_type.is_union_type:
                 this_union_types.add(operation.idl_type)
+        for constructor in interface.constructors:
+            this_union_types.update(union_types_from(constructor.arguments))
+        for constructor in interface.custom_constructors:
+            this_union_types.update(union_types_from(constructor.arguments))
     for callback_function in definitions.callback_functions.itervalues():
         this_union_types.update(union_types_from(callback_function.arguments))
         if callback_function.idl_type.is_union_type:
             this_union_types.add(callback_function.idl_type)
     for dictionary in definitions.dictionaries.itervalues():
         this_union_types.update(union_types_from(dictionary.members))
     return this_union_types
 
 
 class InterfaceInfoCollector(object):
@@ skipping 116 matching lines @@
 
     write_pickle_file(options.interfaces_info_file,
                       info_collector.get_info_as_dict(),
                       options.write_file_only_if_changed)
     write_pickle_file(options.component_info_file,
                       info_collector.get_component_info_as_dict(),
                       options.write_file_only_if_changed)
 
 if __name__ == '__main__':
     sys.exit(main())