+ JSWrapperObject* thisObject = jsCast<JSWrapperObject*>(cell);
+ ASSERT_GC_OBJECT_INHERITS(thisObject, info());
+ COMPILE_ASSERT(StructureFlags & OverridesVisitChildren, OverridesVisitChildrenWithoutSettingFlag);
+ ASSERT(thisObject->structure()->typeInfo().overridesVisitChildren());
+
+ JSObject::visitChildren(thisObject, visitor);
+ visitor.append(&thisObject->m_internalValue);