test rename overhaul: step 8 - language tests

tests/language/src/Private2Main.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 for testing access to private fields across class hierarchies.
-
-class A {
-  var _f;
-  var g;
-  A() : _f = 42, g = 43;
-}
-
-class C extends B {
-  C() : super();
-}
-
-main() {
-  var a = new A();
-  print(a.g);
-  print(a._f);
-  var o = new C();
-  print(o.g);  // Access to public field in A.
-  print(o._f);  // Access to private field in A is allowed.
-}