Simplify GetProperty helpers to ease element support

src/ic/ic.cc

Index: src/ic/ic.cc
diff --git a/src/ic/ic.cc b/src/ic/ic.cc
index c73398f5a5716a92fcc52658253941e758a3b5bc..5963c477e12be6fcae565cd07063391b4b22160f 100644
--- a/src/ic/ic.cc
+++ b/src/ic/ic.cc
@@ -2786,7 +2786,8 @@ RUNTIME_FUNCTION(LoadPropertyWithInterceptorOnly) {
   Handle<JSObject> holder =
       args.at<JSObject>(NamedLoadHandlerCompiler::kInterceptorArgsHolderIndex);
   HandleScope scope(isolate);
-  auto res = JSObject::GetPropertyWithInterceptor(holder, receiver, name);
+  LookupIterator it(receiver, name, holder, LookupIterator::OWN);
+  auto res = JSObject::GetPropertyWithInterceptor(&it);
   RETURN_FAILURE_IF_SCHEDULED_EXCEPTION(isolate);
   Handle<Object> result;
   if (res.ToHandle(&result)) return *result;