value-set-view must select the 0th tab even if it is the only one

tracing/tracing/value/ui/value_set_table.html

Index: tracing/tracing/value/ui/value_set_table.html
diff --git a/tracing/tracing/value/ui/value_set_table.html b/tracing/tracing/value/ui/value_set_table.html
index e938818540868dd99f482e23695aa3b08dd824c0..fb315fd69b6f583d5f7e85dff8e6ba2eb5957ed5 100644
--- a/tracing/tracing/value/ui/value_set_table.html
+++ b/tracing/tracing/value/ui/value_set_table.html
@@ -43,7 +43,7 @@ found in the LICENSE file.
 
 <script>
 'use strict';
-tr.exportTo('tr.ui', function() {
+tr.exportTo('tr.v.ui', function() {
   Polymer('tr-v-ui-value-set-table', {
     /**
      * Return true if this view supports this ValueSet.
@@ -308,7 +308,7 @@ tr.exportTo('tr.ui', function() {
     }
   });
 
-  tr.ui.registerValueSetView('tr-v-ui-value-set-table');
+  tr.v.ui.registerValueSetView('tr-v-ui-value-set-table');
 
   return {};
 });