| Index: tracing/tracing/ui/timeline_view_help_overlay.html | 
| diff --git a/tracing/tracing/ui/timeline_view_help_overlay.html b/tracing/tracing/ui/timeline_view_help_overlay.html | 
| index 57d3f051c27da7def65c2329024ce05454cde906..bbb8234e16f6ddd20d46b8956f364918e0d4e256 100644 | 
| --- a/tracing/tracing/ui/timeline_view_help_overlay.html | 
| +++ b/tracing/tracing/ui/timeline_view_help_overlay.html | 
| @@ -230,7 +230,8 @@ Polymer({ | 
|  | 
| ready: function() { | 
| var mod = tr.isMac ? 'cmd ' : 'ctrl'; | 
| -    var spans = this.shadowRoot.querySelectorAll('span.mod'); | 
| +    var spans = Polymer.dom(this.root).querySelectorAll( | 
| +      'span.mod'); | 
| for (var i = 0; i < spans.length; i++) { | 
| spans[i].textContent = mod; | 
| } | 
|  |