Implement Object.prototype.hasOwnProperty in generated code.

src/v8natives.js

Index: src/v8natives.js
diff --git a/src/v8natives.js b/src/v8natives.js
index 831dd14ef84b233764946a02aef650ac86a8ea04..c47f76c21aadc179b3604d94a3f3febb28cd71d9 100644
--- a/src/v8natives.js
+++ b/src/v8natives.js
@@ -232,7 +232,7 @@ function ObjectValueOf() {
 
 // ECMA-262 - 15.2.4.5
 function ObjectHasOwnProperty(V) {
-  return %HasLocalProperty(TO_OBJECT_INLINE(this), TO_STRING_INLINE(V));
+  return %_HasOwnProperty(TO_OBJECT_INLINE(this), TO_STRING_INLINE(V));
 }
 
 
@@ -979,7 +979,7 @@ function ObjectDefineProperties(obj, properties) {
   var props = ToObject(properties);
   var key_values = [];
   for (var key in props) {
-    if (%HasLocalProperty(props, key)) {
+    if (%HasOwnProperty(props, key)) {
       key_values.push(key);
       var value = props[key];
       var desc = ToPropertyDescriptor(value);