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

tests/html/dromaeo_smoke_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 dromaeo;
+import '../../pkg/unittest/lib/unittest.dart';
+import '../../pkg/unittest/lib/html_config.dart';
+import '../../samples/third_party/dromaeo/Dromaeo.dart' as originalTest;
+import 'dart:html';
+import 'dart:async';
+
+/** A variant of the Dromaeo test shoehorned into a unit test. */
+void main() {
+  var combo = '?dartANDhtmlANDnothing';
+  if (!window.location.search.toString().contains(combo)) {
+    if (window.location.href.toString().indexOf("?") == -1) {
+      window.location.href = '${window.location.href}${combo}';
+    } else {
+      window.location.href = '${window.location.href.toString().substring(0,
+          window.location.href.toString().indexOf("?"))}${combo}';
+    }
+  }
+
+  useHtmlConfiguration();
+
+  var scriptSrc = new ScriptElement();
+  scriptSrc.src = '../../../../pkg/browser/lib/dart.js';
+  document.head.children.add(scriptSrc);
+  document.body.innerHtml = '''${document.body.innerHtml}
+  <div id="main">
+    <h1 id="overview" class="test"><span>Performance Tests</span>
+    <input type="button" id="pause" class="pause" value="Loading..."/>
+    <div class="bar">
+      <div id="timebar" style="width:25%;">
+        <span class="left">Est.&nbsp;Time:&nbsp;<strong id="left">0:00</strong>
+        </span>
+      </div>
+    </div>
+    <ul id="tests">
+      <li><a href="?dom">Smoke Tests</a></li>
+    </ul>
+  </div>''';
+
+  bool isDone = false;
+  originalTest.main();
+
+  test('dromaeo runs', () {
+    new Timer.repeating(500, expectAsyncUntil1((timer) {
+      if (document.query('.alldone') != null) {
+        timer.cancel();
+        isDone = true;
+      }
+    }, () => isDone));
+  });
+}