V8AbstractEventListener should hold a ScriptState

Source/bindings/scripts/v8_attributes.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 308 matching lines @@
         not attribute.is_static):
         arguments.append('*impl')
     idl_type = attribute.idl_type
     if idl_type.base_type == 'EventHandler':
         getter_name = scoped_name(interface, attribute, cpp_name(attribute))
         contents['event_handler_getter_expression'] = '%s(%s)' % (
             getter_name, ', '.join(arguments))
         if (interface.name in ['Window', 'WorkerGlobalScope'] and
             attribute.name == 'onerror'):
             includes.add('bindings/v8/V8ErrorHandler.h')
-            arguments.append('V8EventListenerList::findOrCreateWrapper<V8ErrorHandler>(v8Value, true, info.GetIsolate())')
+            arguments.append('V8EventListenerList::findOrCreateWrapper<V8ErrorHandler>(v8Value, true, ScriptState::current(info.GetIsolate()))')
         else:
             arguments.append('V8EventListenerList::getEventListener(ScriptState::current(info.GetIsolate()), v8Value, true, ListenerFindOrCreate)')
     elif idl_type.is_interface_type and not idl_type.array_type:
         # FIXME: should be able to eliminate WTF::getPtr in most or all cases
         arguments.append('WTF::getPtr(cppValue)')
     else:
         arguments.append('cppValue')
     if contents['is_setter_raises_exception']:
         arguments.append('exceptionState')
 
@@ skipping 82 matching lines @@
     lambda self: strip_suffix(self.base_type, 'Constructor'))
 
 
 def is_constructor_attribute(attribute):
     # FIXME: replace this with [ConstructorAttribute] extended attribute
     return attribute.idl_type.base_type.endswith('Constructor')
 
 
 def generate_constructor_getter(interface, attribute, contents):
     contents['needs_constructor_getter_callback'] = contents['measure_as'] or contents['deprecate_as']