Index: tracing/tracing/ui/tracks/rect_track.html |
diff --git a/tracing/tracing/ui/tracks/rect_track.html b/tracing/tracing/ui/tracks/rect_track.html |
index fdd817fd78a1c6a00012bcf499bfaeb82c1993d1..4eaa323d820bf6612d21199f6d82112294ca3722 100644 |
--- a/tracing/tracing/ui/tracks/rect_track.html |
+++ b/tracing/tracing/ui/tracks/rect_track.html |
@@ -34,7 +34,7 @@ tr.exportTo('tr.ui.tracks', function() { |
decorate: function(viewport) { |
tr.ui.tracks.Track.prototype.decorate.call(this, viewport); |
- this.classList.add('rect-track'); |
+ Polymer.dom(this).classList.add('rect-track'); |
this.asyncStyle_ = false; |
this.rects_ = null; |