Index: tracing/tracing/ui/tracks/interaction_track.html |
diff --git a/tracing/tracing/ui/tracks/interaction_track.html b/tracing/tracing/ui/tracks/interaction_track.html |
index edb913b37861d5bf36078f11c68312f21637ebff..502f67a1276a679295660b672832bcb5b0dc4cd5 100644 |
--- a/tracing/tracing/ui/tracks/interaction_track.html |
+++ b/tracing/tracing/ui/tracks/interaction_track.html |
@@ -56,7 +56,7 @@ tr.exportTo('tr.ui.tracks', function() { |
addSubTrack_: function(slices) { |
var track = new tr.ui.tracks.SliceTrack(this.viewport); |
track.slices = slices; |
- this.appendChild(track); |
+ Polymer.dom(this).appendChild(track); |
return track; |
} |
}; |