Migrate block 116.

tests/language_strong/hidden_import_test.dart

Index: tests/language_strong/hidden_import_test.dart
diff --git a/tests/language_strong/hidden_import_test.dart b/tests/language_strong/hidden_import_test.dart
deleted file mode 100644
index f3398e04fd1cf8a43b71a855d1db157322142aa9..0000000000000000000000000000000000000000
--- a/tests/language_strong/hidden_import_test.dart
+++ /dev/null
@@ -1,17 +0,0 @@
-// Copyright (c) 2013, 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.
-
-// Tests that dart: imports are implicitly hidden and cause warning on use.
-
-library hidden_import;
-
-import 'hidden_import_lib.dart';
-import 'hidden_import_lib.dart' as prefix;
-import 'dart:async';
-import 'dart:async' as prefix;
-
-main() {
-  new Future(); //# 01: static type warning
-  new prefix.Future(); //# 02: static type warning
-}