Reapply CL: first step for modular support in fasta

pkg/front_end/testcases/shaker/include_bounds.dart

Index: pkg/front_end/testcases/shaker/include_bounds.dart
diff --git a/pkg/front_end/testcases/shaker/include_bounds.dart b/pkg/front_end/testcases/shaker/include_bounds.dart
new file mode 100644
index 0000000000000000000000000000000000000000..68d270521e46a429f672133cf1a8ce4225970f9d
--- /dev/null
+++ b/pkg/front_end/testcases/shaker/include_bounds.dart
@@ -0,0 +1,9 @@
+// Copyright (c) 2017, 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.md file.
+
+import 'lib/lib.dart';
+
+/// Tree-shaker pulls in types mentioned in type-bounds like `Bound` in
+/// `Base<T extends Bound>`.
+foo(Base x) => null;