Change new List(n) to return fixed length list.

tests/standalone/out_of_memory_test.dart

 // Copyright (c) 2012, 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.
 
 void main() {
   var number_of_ints = 134000000;
   var exception_thrown = false;
   try {
-    List<int> buf = new List<int>.fixedLength(number_of_ints);
+    List<int> buf = new List<int>(number_of_ints);
   } on OutOfMemoryError catch (exc) {
     exception_thrown = true;
   }
   Expect.isTrue(exception_thrown);
 }