Migrate Object.definePropert{ies,y} from v8natives to builtins.

src/runtime/runtime-object.cc

Index: src/runtime/runtime-object.cc
diff --git a/src/runtime/runtime-object.cc b/src/runtime/runtime-object.cc
index 45cd0cd001eb6579fbb3a6979edc072e3033d8d8..7e95e4ec9a6cfb4a71c7919cc45bdfeaab1c284c 100644
--- a/src/runtime/runtime-object.cc
+++ b/src/runtime/runtime-object.cc
@@ -1239,15 +1239,6 @@ RUNTIME_FUNCTION(Runtime_IsAccessCheckNeeded) {
 }
 
 
-RUNTIME_FUNCTION(Runtime_ObjectDefineProperty) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 3);
-  CONVERT_ARG_HANDLE_CHECKED(Object, o, 0);
-  CONVERT_ARG_HANDLE_CHECKED(Object, name, 1);
-  CONVERT_ARG_HANDLE_CHECKED(Object, attributes, 2);
-  return JSReceiver::DefineProperty(isolate, o, name, attributes);
-}
-
 RUNTIME_FUNCTION(Runtime_CreateDataProperty) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 3);
@@ -1264,15 +1255,5 @@ RUNTIME_FUNCTION(Runtime_CreateDataProperty) {
   return *value;
 }
 
-RUNTIME_FUNCTION(Runtime_ObjectDefineProperties) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 2);
-  CONVERT_ARG_HANDLE_CHECKED(Object, o, 0);
-  CONVERT_ARG_HANDLE_CHECKED(Object, properties, 1);
-  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
-      isolate, o, JSReceiver::DefineProperties(isolate, o, properties));
-  return *o;
-}
-
 }  // namespace internal
 }  // namespace v8