Use a class for CodeGeneratorV8

Source/bindings/scripts/unstable/idl_reader.py

 # 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
 # copyright notice, this list of conditions and the following disclaimer
@@ skipping 18 matching lines @@
 """Read an IDL file or complete IDL interface, producing an IdlDefinitions object."""
 
 import os.path
 
 import blink_idl_parser
 import idl_definitions_builder
 import idl_validator
 import interface_dependency_resolver
 
 
-class IdlReader:
+class IdlReader(object):
     def __init__(self, interfaces_info=None, idl_attributes_filename=None, outputdir=''):
         if idl_attributes_filename:
             self.extended_attribute_validator = idl_validator.IDLExtendedAttributeValidator(idl_attributes_filename)
         else:
             self.extended_attribute_validator = None
 
         if interfaces_info:
             self.interface_dependency_resolver = interface_dependency_resolver.InterfaceDependencyResolver(interfaces_info, self)
         else:
             self.interface_dependency_resolver = None
@@ skipping 23 matching lines @@
         except idl_validator.IDLInvalidExtendedAttributeError as error:
             raise idl_validator.IDLInvalidExtendedAttributeError("""IDL ATTRIBUTE ERROR in file %s:
     %s
 If you want to add a new IDL extended attribute, please add it to
     bindings/IDLExtendedAttributes.txt
 and add an explanation to the Blink IDL documentation at:
     http://www.chromium.org/blink/webidl/blink-idl-extended-attributes
     """ % (idl_filename, str(error)))
 
         return definitions