Migrate block 162 to Dart 2.0.

tests/language/type_variable_field_initializer_test.dart

-// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file

[eernst, 2017/09/04 17:04:58]

Lost coverage: don't delete this 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.
-
-// Check that an inlined field initializer has access to the enclosing
-// type variables.
-
-import "package:expect/expect.dart";
-
-class A<T> {
-  var c = new List<T>();
-}
-
-class B<T> extends A<T> {}
-
-main() {
-  Expect.isTrue(new B<int>().c is List<int>);
-  Expect.isFalse(new B<String>().c is List<int>);
-}