Adding package:smoke. This CL includes the intial APIs, a mirror-based

pkg/smoke/test/mirrors_used_test.dart

Index: pkg/smoke/test/mirrors_used_test.dart
diff --git a/pkg/smoke/test/mirrors_used_test.dart b/pkg/smoke/test/mirrors_used_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..ec3a019c69bd9c7968b978ea0ca1480c84009e22
--- /dev/null
+++ b/pkg/smoke/test/mirrors_used_test.dart
@@ -0,0 +1,21 @@
+// Copyright (c) 2014, 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.
+
+library smoke.test.mirrors_test;
+
+import 'package:smoke/mirrors.dart';
+import 'package:unittest/unittest.dart';
+import 'common.dart' hide main;
+import 'common.dart' as common show main;
+
+
+@MirrorsUsed(
+    targets: const [A, B, C, D, E, E2, F, F2, G, H],
+    override: 'smoke.mirrors')
+import 'dart:mirrors';
+
+main() {
+  setUp(useMirrors);
+  common.main();
+}