Add C++ implementation of Object.defineProperties

src/runtime/runtime-object.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/runtime/runtime-utils.h"
 
 #include "src/arguments.h"
 #include "src/bootstrapper.h"
 #include "src/debug/debug.h"
 #include "src/isolate-inl.h"
@@ skipping 1593 matching lines @@
 
 
 RUNTIME_FUNCTION(Runtime_IsAccessCheckNeeded) {
   SealHandleScope shs(isolate);
   DCHECK_EQ(1, args.length());
   CONVERT_ARG_CHECKED(Object, object, 0);
   return isolate->heap()->ToBoolean(object->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_ObjectDefineProperties) {
+  HandleScope scope(isolate);
+  DCHECK(args.length() == 2);
+  CONVERT_ARG_HANDLE_CHECKED(Object, o, 0);
+  CONVERT_ARG_HANDLE_CHECKED(Object, properties, 1);
+  return JSReceiver::DefineProperties(isolate, o, properties);
+}
 }  // namespace internal
 }  // namespace v8