Add the revision details widget to sheriff-o-matic

Tools/GardeningServer/ui/ct-commit-list-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-commit-list.html">
 
 <link rel="import" href="../model/ct-commit-log-mock.html">
 
 <script>
 (function () {
 
 module("ct-commit-list");
 
 asyncTest("basic", 1, function() {
   var list = document.createElement('ct-commit-list');
 
   list.commits = new CTCommitLogMock();
 
+  // FIXME: This test shouldn't rely on firstRevision being empty to pass.
+  list.commits.firstRevision = {};
+
   var blinkCommits = list.commits.commits.blink;
   var revision;
   for (revision in blinkCommits)
     break;
 
   var numCommits = 2;
 
   list.first = {blink: revision};
   list.last = {blink: Number(revision) + numCommits};
 
@@ skipping 21 matching lines @@
   requestAnimationFrame(function() {
     var commits = list.shadowRoot.querySelectorAll('ct-commit');
     equal(commits.length, 0);
 
     start();
   });
 });
 
 })()
 </script>