Rename the configuration flags of the LookupIterator

src/json-stringifier.h

Index: src/json-stringifier.h
diff --git a/src/json-stringifier.h b/src/json-stringifier.h
index 81249a7d4a8be9199ea1393170e401707f66a08b..1970c2debc5bee05c2a555ada95d6b519d052232 100644
--- a/src/json-stringifier.h
+++ b/src/json-stringifier.h
@@ -339,7 +339,8 @@ void BasicJsonStringifier::Append_(const Char* chars) {
 
 MaybeHandle<Object> BasicJsonStringifier::ApplyToJsonFunction(
     Handle<Object> object, Handle<Object> key) {
-  LookupIterator it(object, tojson_string_, LookupIterator::SKIP_INTERCEPTOR);
+  LookupIterator it(object, tojson_string_,
+                    LookupIterator::CHECK_DERIVED_SKIP_INTERCEPTOR);
   Handle<Object> fun;
   ASSIGN_RETURN_ON_EXCEPTION(isolate_, fun, Object::GetProperty(&it), Object);
   if (!fun->IsJSFunction()) return object;