Revert of [runtime] Migrate Object.getOwnPropertyNames to C++.

src/js/v8natives.js

Index: src/js/v8natives.js
diff --git a/src/js/v8natives.js b/src/js/v8natives.js
index 3113aa76dccc33e1dbf074d1e35ca7db58aa48c6..f1c5f838b4110c7cea5464ed918da57243c4017d 100644
--- a/src/js/v8natives.js
+++ b/src/js/v8natives.js
@@ -772,6 +772,13 @@
 }
 
 
+// ES5 section 15.2.3.4.
+function ObjectGetOwnPropertyNames(obj) {
+  obj = TO_OBJECT(obj);
+  return %GetOwnPropertyKeys(obj, PROPERTY_FILTER_SKIP_SYMBOLS);
+}
+
+
 // ES5 section 15.2.3.6.
 function ObjectDefineProperty(obj, p, attributes) {
   // The new pure-C++ implementation doesn't support O.o.
@@ -789,6 +796,11 @@
 }
 
 
+function GetOwnEnumerablePropertyNames(object) {
+  return %GetOwnPropertyKeys(object, PROPERTY_FILTER_ONLY_ENUMERABLE);
+}
+
+
 // ES5 section 15.2.3.7.
 function ObjectDefineProperties(obj, properties) {
   // The new pure-C++ implementation doesn't support O.o.
@@ -798,7 +810,7 @@
       throw MakeTypeError(kCalledOnNonObject, "Object.defineProperties");
     }
     var props = TO_OBJECT(properties);
-    var names = %GetOwnPropertyKeys(props, PROPERTY_FILTER_ONLY_ENUMERABLE);
+    var names = GetOwnEnumerablePropertyNames(props);
     var descriptors = new InternalArray();
     for (var i = 0; i < names.length; i++) {
       descriptors.push(ToPropertyDescriptor(props[names[i]]));
@@ -871,6 +883,7 @@
   "defineProperties", ObjectDefineProperties,
   "getPrototypeOf", ObjectGetPrototypeOf,
   "setPrototypeOf", ObjectSetPrototypeOf,
+  "getOwnPropertyNames", ObjectGetOwnPropertyNames,
   // getOwnPropertySymbols is added in symbol.js.
   "is", SameValue,  // ECMA-262, Edition 6, section 19.1.2.10
   // deliverChangeRecords, getNotifier, observe and unobserve are added