Index: tracing/tracing/ui/tracks/thread_track.html |
diff --git a/tracing/tracing/ui/tracks/thread_track.html b/tracing/tracing/ui/tracks/thread_track.html |
index b5c172c3b99815bf4397d40b95822fd1d62bac8f..ece278cee1af27fe5ef97829669744c94cac29bf 100644 |
--- a/tracing/tracing/ui/tracks/thread_track.html |
+++ b/tracing/tracing/ui/tracks/thread_track.html |
@@ -32,7 +32,7 @@ tr.exportTo('tr.ui.tracks', function() { |
decorate: function(viewport) { |
tr.ui.tracks.ContainerTrack.prototype.decorate.call(this, viewport); |
- this.classList.add('thread-track'); |
+ Polymer.dom(this).classList.add('thread-track'); |
}, |
get thread() { |