Index: tracing/tracing/ui/tracks/ruler_track.html |
diff --git a/tracing/tracing/ui/tracks/ruler_track.html b/tracing/tracing/ui/tracks/ruler_track.html |
index 30ce44be39dcb7265e772303f76056152fa5b071..11f02a33779d8d4db5df8474911c9d9fe81cb34f 100644 |
--- a/tracing/tracing/ui/tracks/ruler_track.html |
+++ b/tracing/tracing/ui/tracks/ruler_track.html |
@@ -44,7 +44,7 @@ tr.exportTo('tr.ui.tracks', function() { |
var heading = document.createElement('tr-ui-heading'); |
heading.arrowVisible = false; |
- this.appendChild(heading); |
+ Polymer.dom(this).appendChild(heading); |
}, |
detach: function() { |