Revert the revert of http://code.google.com/p/dart/source/detail?r=3360.

compiler/lib/implementation/array.js

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-function native_ListFactory__new(typeToken, length) {
-  return RTT.setTypeInfo(
-      new Array(length),
-      Array.$lookupRTT(RTT.getTypeInfo(typeToken).typeArgs));
-}
-
 function native_ListImplementation_INDEX(index) {
   var i = index | 0;
   if (i !== index) {
     native__NumberJsUtil__throwIllegalArgumentException(index);
   } else if (i < 0 || i >= this.length) {
     native__ListJsUtil__throwIndexOutOfRangeException(index);
   }
   return this[i];
 }
 
@@ skipping 33 matching lines @@
 
 function $inlineArrayIndexCheck(array, index) {
   var i = index | 0;
   if (i !== index) {
     native__NumberJsUtil__throwIllegalArgumentException(index);
   } else if (i < 0 || i >= array.length) {
     native__ListJsUtil__throwIndexOutOfRangeException(index);
   }
   return i;
 }