Index: tracing/tracing/ui/tracks/counter_track.html |
diff --git a/tracing/tracing/ui/tracks/counter_track.html b/tracing/tracing/ui/tracks/counter_track.html |
index 759b24335960c51e984e6d25efe351ef07a8f7e5..5a5317e444baa2d494f48b07c1f5883a5f7d5c53 100644 |
--- a/tracing/tracing/ui/tracks/counter_track.html |
+++ b/tracing/tracing/ui/tracks/counter_track.html |
@@ -28,7 +28,7 @@ tr.exportTo('tr.ui.tracks', function() { |
decorate: function(viewport) { |
tr.ui.tracks.ChartTrack.prototype.decorate.call(this, viewport); |
- this.classList.add('counter-track'); |
+ Polymer.dom(this).classList.add('counter-track'); |
}, |
get counter() { |