Add hung bots to sheriff-o-matic view

Tools/GardeningServer/ui/ct-results-detail.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-results-comparison.html">
 
 <polymer-element name="ct-results-detail" attributes="failure builder">
   <template>
@@ skipping 78 matching lines @@
       _updateUrls: function() {
         // FIXME: Along with _updateWebkitTestUrls, move this logic to a proper model class
         // so that the network requests this makes can be easily mocked out in tests.
 
         var result = this.failure.resultNodesByBuilder[this.builder];
 
         // FIXME: We only store build logs by the test name, not the testsuite.testname,
         // which means that two failing tests from different test suites conflict!
         var testPart = result.actual == 'UNKNOWN' ? 'stdio' : this.failure.testName.split('.')[1];
         var url = result.masterUrl +
-            '/builders/' + encodeURIComponent(this.builder) +
+            '/builders/' + encodeURIComponent(this.builder);
+
+        // FIXME: Make failure groups aware of their own url
+        if (this.failure.testName)
+          url +=
             '/builds/' + result.lastFailingBuild +
             '/steps/' + this.failure.step +
             '/logs/' + testPart;
 
         var resultsUrlsByKind = {};
         resultsUrlsByKind[this._kUnknownKind] = url;
 
         this._urlGroups.push({
           type: results.kTextType,
           urls: resultsUrlsByKind,
         });
       },
     });
   </script>
 </polymer-element>