Migrate block 163 to Dart 2.0.

tests/language_strong/unresolved_in_factory_negative_test.dart

Index: tests/language_strong/unresolved_in_factory_negative_test.dart
diff --git a/tests/language_strong/unresolved_in_factory_negative_test.dart b/tests/language_strong/unresolved_in_factory_negative_test.dart
deleted file mode 100644
index 8166ac8f510bf5356ed452ec5ea23d2879116826..0000000000000000000000000000000000000000
--- a/tests/language_strong/unresolved_in_factory_negative_test.dart
+++ /dev/null
@@ -1,16 +0,0 @@
-// 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.
-
-// Test that an unresolved method call in a factory is a resolution
-// error.
-
-class A {
-  factory A() {
-    foo();
-  }
-}
-
-main() {
-  new A();
-}