[stubs] Port FastNewObjectStub to TF

src/code-factory.cc

Index: src/code-factory.cc
diff --git a/src/code-factory.cc b/src/code-factory.cc
index 12eb8ac19ffc7c54a6f798f7c82803bede3429f4..6750a5824596bff0d2312e10a16481655b505b5e 100644
--- a/src/code-factory.cc
+++ b/src/code-factory.cc
@@ -383,8 +383,8 @@ Callable CodeFactory::FastNewClosure(Isolate* isolate) {
 
 // static
 Callable CodeFactory::FastNewObject(Isolate* isolate) {
-  FastNewObjectStub stub(isolate);
-  return make_callable(stub);
+  return Callable(isolate->builtins()->FastNewObject(),
+                  FastNewObjectDescriptor(isolate));
 }
 
 // static