[api] Default native data property setter to replace the setter if the property is writable.

src/api-natives.cc

Index: src/api-natives.cc
diff --git a/src/api-natives.cc b/src/api-natives.cc
index 2dd0fed0edd536ea77d989abc0d5e7d734a63dee..7fb88a6e46859a12810af78dbfc4c23775e57d04 100644
--- a/src/api-natives.cc
+++ b/src/api-natives.cc
@@ -202,14 +202,12 @@ MaybeHandle<JSObject> ConfigureInstance(Isolate* isolate, Handle<JSObject> obj,
   return obj;
 }
 
-
 MaybeHandle<JSObject> InstantiateObject(Isolate* isolate,
-                                        Handle<ObjectTemplateInfo> data) {
+                                        Handle<ObjectTemplateInfo> info) {
   // Enter a new scope.  Recursion could otherwise create a lot of handles.
   HandleScope scope(isolate);
   // Fast path.
   Handle<JSObject> result;
-  auto info = Handle<ObjectTemplateInfo>::cast(data);
   auto constructor = handle(info->constructor(), isolate);
   Handle<JSFunction> cons;
   if (constructor->IsUndefined()) {