| Index: tracing/tracing/ui/base/deep_utils.html | 
| diff --git a/tracing/tracing/ui/base/deep_utils.html b/tracing/tracing/ui/base/deep_utils.html | 
| index 6476dee1af1bac80a73503c8b7741c847e7f8884..e9067f57b5a899abb1d5561762134478b66d32c7 100644 | 
| --- a/tracing/tracing/ui/base/deep_utils.html | 
| +++ b/tracing/tracing/ui/base/deep_utils.html | 
| @@ -16,8 +16,9 @@ tr.exportTo('tr.b', function() { | 
| return true; | 
| } | 
|  | 
| -    if (element.shadowRoot) { | 
| -      if (_iterateElementDeeplyImpl(element.shadowRoot, cb, thisArg, false)) | 
| +    if (element.root) { | 
| +      if (_iterateElementDeeplyImpl(Polymer.dom(element.root), cb, thisArg, | 
| +          false)) | 
| return true; | 
| } | 
| for (var i = 0; i < element.children.length; i++) { | 
|  |