Preliminary support for reflecting on generic types.

dart/tests/lib/mirrors/generic_list_test.dart

 // 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.
 
 library test.superclass;
 
 import 'dart:mirrors';
 import 'package:expect/expect.dart';
 
-class MyClass {
+class Foo<T> {
+  List<T> makeList() {
+    if (new DateTime.now().millisecondsSinceEpoch == 42) return [];
+    return new List<T>();
+  }
 }
 
 main() {
-  var cls = reflectClass(MyClass);
+  List<String> list = new Foo<String>().makeList();
+  var cls = reflectClass(list.runtimeType);
   Expect.isNotNull(cls, 'Failed to reflect on MyClass.');
-  var superclass = cls.superclass;
-  Expect.isNotNull(superclass, 'Failed to obtain superclass of MyClass.');
-  Expect.equals(
-      reflectClass(Object), superclass, 'Superclass of MyClass is not Object.');
-  Expect.isNull(superclass.superclass, 'Superclass of Object is not null.');
 }