Add a "Link Bug" button to associate a bug with a failure

Tools/GardeningServer/ui/ct-failure-card-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-failure-card.html">
-
-<script>
-(function () {
-
-module("ct-failure-card");
-
-asyncTest("examine", 1, function() {
-  var card = document.createElement('ct-failure-card');
-  card.failures = [];
-
-  Platform.endOfMicrotask(function() {
-    card.addEventListener('ct-examine-failures', function(event) {
-      deepEqual(event.detail, []);
-      start();
-    });
-
-    card.shadowRoot.getElementById('examine').dispatchEvent(new CustomEvent('tap'));
-  });
-});
-
-})()
-</script>