One more factory -> default pass.

dart/tests/language/src/DefaultFactoryTest.dart

 // 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.
 
 // Dart test program for testing default factories.
 
-interface Vehicle factory GoogleOne {
+interface Vehicle default GoogleOne {
   Vehicle();
 }
 
 
 class Bike implements Vehicle {
   Bike.redOne() {}
 }
 
 
-interface SpaceShip factory GoogleOne {
+interface SpaceShip default GoogleOne {
   SpaceShip();
 }
 
 
 class GoogleOne implements SpaceShip {
   GoogleOne.internal_() {}
   factory GoogleOne() { return new GoogleOne.internal_(); }
   factory Vehicle() { return new Bike.redOne(); }
 }
 
 
 class DefaultFactoryTest {
   static testMain() {
     Expect.equals(true, (new Bike.redOne()) is Bike);
     Expect.equals(true, (new SpaceShip()) is GoogleOne);
     Expect.equals(true, (new Vehicle()) is Bike);
   }
 }
 
 main() {
   DefaultFactoryTest.testMain();
 }