Convert moar Sheriff-o-Matic tests to Polymer.

Tools/GardeningServer/ui/ct-tree-status-tests.html

 <!--
 Copyright 2014 The Chromium Authors. All rights reserved.
 Use of this source code is governed by a BSD-style license that can be
 found in the LICENSE file.
 -->
 
 <link rel="import" href="ct-tree-status.html">
 
 <script>
 (function () {
@@ skipping 11 matching lines @@
   throttledTreeStatus.status = 'throttled';
   throttledTreeStatus.message = 'Tree is throttled just for fun';
   throttledTree.status = throttledTreeStatus;
 
   var closedTree = document.createElement("ct-tree-status");
   var closedTreeStatus = new TreeStatus('closed-tree-project');
   closedTreeStatus.status = 'closed';
   closedTreeStatus.message = 'Tree is closed';
   closedTree.status = closedTreeStatus;
 
-  var simulator = new NetworkSimulator();
+  var simulator = new NetworkSimulator(ok, start);
   simulator.runTest(function() {
     requestAnimationFrame(function() {
       ok(!openTree.shadowRoot.textContent.has("open-tree-project"));
       ok(throttledTree.shadowRoot.textContent.has("throttled-tree-project"));
       ok(closedTree.shadowRoot.textContent.has("closed-tree-project"));
       equal(closedTree.shadowRoot.querySelector('a').href, closedTreeStatus.url);
       start();
     });
   });
 });
 
 })();
 </script>