Migrate block 163 to Dart 2.0.

tests/language_strong/typed_selector_test.dart

Index: tests/language_strong/typed_selector_test.dart
diff --git a/tests/language_strong/typed_selector_test.dart b/tests/language_strong/typed_selector_test.dart
deleted file mode 100644
index 98c2d0892f429cf85db2765547ccb8893417dbac..0000000000000000000000000000000000000000
--- a/tests/language_strong/typed_selector_test.dart
+++ /dev/null
@@ -1,30 +0,0 @@
-// 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.
-
-import "package:expect/expect.dart";
-
-// Regression test for http://dartbug.com/6259. This test used to fail
-// on dart2js because class A does not know [A.document] is a target for
-// the call [:obj.document:] in the [main] method. Therefore, dart2js
-// would not compile [A.document].
-
-class A {
-  get document => 42;
-}
-
-abstract class B {
-  get document; // Abstract.
-}
-
-class C extends A implements B {}
-
-int inscrutable(int x) => x == 0 ? 0 : x | inscrutable(x & (x - 1));
-
-void main() {
-  var tab = [new Object(), new C()];
-  var obj = tab[inscrutable(1)];
-  int res = 0;
-  if (obj is B) res = obj.document;
-  Expect.equals(42, res);
-}