binding: Makes event listener attributes use the relevant realm.

third_party/WebKit/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 440 matching lines @@
         arguments.append('toLocalFrame(toFrameIfNotDetached(info.GetIsolate()->GetCurrentContext()))')
         arguments.append('impl')
         arguments.append('cppValue')
     elif idl_type.base_type == 'EventHandler':
         getter_name = scoped_name(interface, attribute, cpp_name(attribute))
         context['event_handler_getter_expression'] = '%s(%s)' % (
             getter_name, ', '.join(arguments))
         if (interface.name in ['Window', 'WorkerGlobalScope'] and
                 attribute.name == 'onerror'):
             includes.add('bindings/core/v8/V8ErrorHandler.h')
-            arguments.append('V8EventListenerHelper::ensureEventListener<V8ErrorHandler>(v8Value, true, ScriptState::current(info.GetIsolate()))')
+            arguments.append(
+                'V8EventListenerHelper::ensureEventListener<V8ErrorHandler>(' +
+                'v8Value, true, ScriptState::forReceiverObject(info))')
         else:
-            arguments.append('V8EventListenerHelper::getEventListener(ScriptState::current(info.GetIsolate()), v8Value, true, ListenerFindOrCreate)')
+            arguments.append(
+                'V8EventListenerHelper::getEventListener(' +
+                'ScriptState::forReceiverObject(info), v8Value, true, ' +
+                'ListenerFindOrCreate)')
     else:
         arguments.append('cppValue')
     if context['is_setter_raises_exception']:
         arguments.append('exceptionState')
 
     return '%s(%s)' % (setter_name, ', '.join(arguments))
 
 
 CONTENT_ATTRIBUTE_SETTER_NAMES = {
     'boolean': 'setBooleanAttribute',
@@ skipping 108 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.name.endswith('Constructor')
 
 
 def update_constructor_attribute_context(interface, attribute, context):
     context['needs_constructor_getter_callback'] = context['measure_as'] or context['deprecate_as']