Fix up dromaeo after lib v2 merge and add Dromaeo smoketest to prevent future

tests/html/dromaeo_noop/dromaeo_smoke.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 dromaeo;
+import 'dart:html';
+import 'dart:json' as json;
+import '../../../samples/third_party/dromaeo/common/common.dart';
+import 'dart:math' as Math;
+import '../../../pkg/unittest/lib/unittest.dart';
+import '../../../pkg/unittest/lib/html_config.dart';
+part '../../../samples/third_party/dromaeo/tests/Common.dart';
+part '../../../samples/third_party/dromaeo/tests/RunnerSuite.dart';
+
+/**
+ * The smoketest equivalent of an individual test run, much like
+ * dom-attr-html.dart, dom-modify-html.dart, dom-query-html.dart and others.
+ */
+void main() {
+  new Suite(window, 'dom-nothing')
+    .prep(() {})
+    .test('no-op', () {})
+    .end();
+}
+