[API] GetOwnPropertyDescriptor: use C++ implementation

src/js/array.js

 // Copyright 2012 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.
 
 (function(global, utils, extrasUtils) {
 
 "use strict";
 
 %CheckIsBootstrapping();
 
@@ skipping 472 matching lines @@
   if (n == 0) {
     array.length = n;
     return;
   }
 
   if (%IsObserved(array))
     return ObservedArrayPop.call(array, n);
 
   n--;
   var value = array[n];
+  // TODO(jkummerow): Use %DeleteProperty_Strict instead, delete "Delete".
   Delete(array, n, true);
   array.length = n;
   return value;
 }
 
 
 function ObservedArrayPush() {
   var n = TO_LENGTH_OR_UINT32(this.length);
   var m = %_ArgumentsLength();
 
@@ skipping 1419 matching lines @@
 %InstallToContext([
   "array_pop", ArrayPop,
   "array_push", ArrayPush,
   "array_shift", ArrayShift,
   "array_splice", ArraySplice,
   "array_slice", ArraySlice,
   "array_unshift", ArrayUnshift,
 ]);
 
 });