static v8::Handle<v8::Value> webkitGetEntriesByTypeCallback(const v8::Arguments& args) { if (args.Length() < 1) return throwNotEnoughArgumentsError(args.GetIsolate()); Performance* imp = V8Performance::toNative(args.Holder()); V8TRYCATCH_FOR_V8STRINGRESOURCE(V8StringResource<>, entryType, MAYBE_MISSING_PARAMETER(args, 0, DefaultIsUndefined)); return toV8(imp->webkitGetEntriesByType(entryType), args.Holder(), args.GetIsolate()); }