Revert of [builtins] Migrate Object.getOwnPropertyDescriptor to C++.

src/builtins.cc

Index: src/builtins.cc
diff --git a/src/builtins.cc b/src/builtins.cc
index 6d6e816f53134a3f03ad590c195648a5881fa5bd..f47c2b6350861d955b9960f77793e8dabbd0d877 100644
--- a/src/builtins.cc
+++ b/src/builtins.cc
@@ -1566,30 +1566,6 @@
 }
 
 
-// ES6 section 19.1.2.6 Object.getOwnPropertyDescriptor ( O, P )
-BUILTIN(ObjectGetOwnPropertyDescriptor) {
-  HandleScope scope(isolate);
-  // 1. Let obj be ? ToObject(O).
-  Handle<Object> object = args.atOrUndefined(isolate, 1);
-  Handle<JSReceiver> receiver;
-  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, receiver,
-                                     Object::ToObject(isolate, object));
-  // 2. Let key be ? ToPropertyKey(P).
-  Handle<Object> property = args.atOrUndefined(isolate, 2);
-  Handle<Name> key;
-  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, key,
-                                     Object::ToName(isolate, property));
-  // 3. Let desc be ? obj.[[GetOwnProperty]](key).
-  PropertyDescriptor desc;
-  Maybe<bool> found =
-      JSReceiver::GetOwnPropertyDescriptor(isolate, receiver, key, &desc);
-  MAYBE_RETURN(found, isolate->heap()->exception());
-  // 4. Return FromPropertyDescriptor(desc).
-  if (!found.FromJust()) return isolate->heap()->undefined_value();
-  return *desc.ToObject(isolate);
-}
-
-
 // ES6 section 19.1.2.8 Object.getOwnPropertySymbols ( O )
 BUILTIN(ObjectGetOwnPropertySymbols) {
   HandleScope scope(isolate);