Index: tracing/tracing/ui/base/ui.html |
diff --git a/tracing/tracing/ui/base/ui.html b/tracing/tracing/ui/base/ui.html |
index 20c1bd4471db1f42376dfa59dd34b8bdc9b0d5cd..b484ef26b020e6d13d1c7d38c3da76a7a473dd56 100644 |
--- a/tracing/tracing/ui/base/ui.html |
+++ b/tracing/tracing/ui/base/ui.html |
@@ -152,10 +152,10 @@ tr.exportTo('tr.ui.b', function() { |
return false; |
var cur = el; |
- while (cur.parentNode) { |
+ while (Polymer.dom(cur).parentNode) { |
if (cur == potentialParent) |
return true; |
- cur = cur.parentNode; |
+ cur = Polymer.dom(cur).parentNode; |
} |
return false; |
}; |