Use the current context as the creation context for cross-origin objects.

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 180 matching lines @@
     if is_constructor_attribute(attribute):
         update_constructor_attribute_context(interface, attribute, context)
     if not has_custom_getter(attribute):
         getter_context(interface, attribute, context)
     if not has_custom_setter(attribute) and has_setter(interface, attribute):
         setter_context(interface, attribute, interfaces, context)
 
     # [CrossOrigin] is incompatible with a number of other attributes, so check
     # for them here.
     if is_cross_origin:
-        if context['has_cross_origin_getter'] and context['has_custom_getter']:
-            raise Exception('[CrossOrigin] and [Custom] are incompatible on the same getter: %s.%s', interface.name, attribute.name)
         if context['has_cross_origin_setter'] and context['has_custom_setter']:
             raise Exception('[CrossOrigin] and [Custom] are incompatible on the same setter: %s.%s', interface.name, attribute.name)
         if context['is_per_world_bindings']:
             raise Exception('[CrossOrigin] and [PerWorldBindings] are incompatible: %s.%s', interface.name, attribute.name)
         if context['constructor_type']:
             raise Exception('[CrossOrigin] cannot be used for constructors: %s.%s', interface.name, attribute.name)
 
     return context
 
 
@@ skipping 346 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']