| Index: tracing/tracing/ui/extras/chrome/cc/display_item_debugger.html | 
| diff --git a/tracing/tracing/ui/extras/chrome/cc/display_item_debugger.html b/tracing/tracing/ui/extras/chrome/cc/display_item_debugger.html | 
| index bea9fa5da718cd0da13e29e158f62acc52d178e9..56acaf3a2f1c93eb4041e1a7235e3e1d759c44f3 100644 | 
| --- a/tracing/tracing/ui/extras/chrome/cc/display_item_debugger.html | 
| +++ b/tracing/tracing/ui/extras/chrome/cc/display_item_debugger.html | 
| @@ -358,12 +358,14 @@ tr.exportTo('tr.ui.e.chrome.cc', function() { | 
| if (showOpsList) { | 
| this.pictureOpsListView_.picture = this.picture_; | 
| if (this.pictureOpsListView_.numOps > 0) { | 
| -          this.pictureOpsListView_.classList.add('hasPictureOps'); | 
| -          this.pictureOpsListDragHandle_.classList.add('hasPictureOps'); | 
| +          Polymer.dom(this.pictureOpsListView_).classList.add('hasPictureOps'); | 
| +          Polymer.dom(this.pictureOpsListDragHandle_).classList.add( | 
| +              'hasPictureOps'); | 
| } | 
| } else { | 
| -        this.pictureOpsListView_.classList.remove('hasPictureOps'); | 
| -        this.pictureOpsListDragHandle_.classList.remove('hasPictureOps'); | 
| +        Polymer.dom(this.pictureOpsListView_).classList.remove('hasPictureOps'); | 
| +        Polymer.dom(this.pictureOpsListDragHandle_).classList.remove( | 
| +            'hasPictureOps'); | 
| } | 
| }, | 
|  | 
|  |