Migrate block 163 to Dart 2.0.

tests/language_strong/unqual_name_test.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 to check that we can resolve unqualified identifiers
-
-import "package:expect/expect.dart";
-
-class B {
-  B(x, y) : b = y {}
-  var b;
-
-  get_b() {
-    // Resolving unqualified instance method.
-    return really_really_get_it();
-  }
-
-  really_really_get_it() {
-    return 5;
-  }
-}
-
-class UnqualNameTest {
-  static eleven() {
-    return 11;
-  }
-
-  static testMain() {
-    var o = new B(3, 5);
-    Expect.equals(11, eleven()); // Unqualified static method call.
-    Expect.equals(5, o.get_b());
-
-    // Check whether we handle variable initializers correctly.
-    var a = 1, x, b = a + 3;
-    Expect.equals(5, a + b);
-  }
-}
-
-main() {
-  UnqualNameTest.testMain();
-}