| Index: tracing/tracing/ui/extras/system_stats/system_stats_instance_track.html | 
| diff --git a/tracing/tracing/ui/extras/system_stats/system_stats_instance_track.html b/tracing/tracing/ui/extras/system_stats/system_stats_instance_track.html | 
| index 9aa10212de6a84a929c717b1e5587d022c32bc85..4079d4effd28cb3f66a15d96fa695d5a77ed9a20 100644 | 
| --- a/tracing/tracing/ui/extras/system_stats/system_stats_instance_track.html | 
| +++ b/tracing/tracing/ui/extras/system_stats/system_stats_instance_track.html | 
| @@ -57,7 +57,7 @@ tr.exportTo('tr.ui.e.system_stats', function() { | 
|  | 
| decorate: function(viewport) { | 
| tr.ui.tracks.StackedBarsTrack.prototype.decorate.call(this, viewport); | 
| -      this.classList.add('tr-ui-e-system-stats-instance-track'); | 
| +      Polymer.dom(this).classList.add('tr-ui-e-system-stats-instance-track'); | 
| this.objectInstance_ = null; | 
| }, | 
|  | 
|  |