[polymer] Fix bad merge in related_event_set_span.html

tracing/tracing/value/ui/related_event_set_span.html

Index: tracing/tracing/value/ui/related_event_set_span.html
diff --git a/tracing/tracing/value/ui/related_event_set_span.html b/tracing/tracing/value/ui/related_event_set_span.html
index dfd4d393dcee6a4c6b0850a9e62112e228bfc225..596bec810965f2d86bf8f045cc9cdbf291252f9f 100644
--- a/tracing/tracing/value/ui/related_event_set_span.html
+++ b/tracing/tracing/value/ui/related_event_set_span.html
@@ -6,6 +6,7 @@ found in the LICENSE file.
 -->
 
 <link rel="import" href="/tracing/ui/analysis/analysis_link.html">
+<link rel="import" href="/tracing/value/unit.html">
 
 <dom-module id="tr-v-ui-related-event-set-span">
   <script>
@@ -30,8 +31,12 @@ found in the LICENSE file.
       Polymer.dom(this).textContent = '';
       var events = this.diagnostic.events;
       var link = document.createElement('tr-ui-a-analysis-link');
-      var label = (events.length === 1) ? 'event' : 'events';
-      link.setSelectionAndContent(events, events.length + ' ' + label);
+      var label = events.length + ' events';
+      if (events.length === 1) {
+        label = events[0].title + ' ';
+        label += tr.v.Unit.byName.timeDurationInMs.format(events[0].duration);
+      }
+      link.setSelectionAndContent(events, label);
       Polymer.dom(this).appendChild(link);
     }
   });