| Index: tracing/tracing/base/unittest/suite_loader.html | 
| diff --git a/tracing/tracing/base/unittest/suite_loader.html b/tracing/tracing/base/unittest/suite_loader.html | 
| index e72bcd9c1c85af6a20cf112f50260cf0d4f8f9ad..655bb4003c4d1c0d3917897199600a7655b19363 100644 | 
| --- a/tracing/tracing/base/unittest/suite_loader.html | 
| +++ b/tracing/tracing/base/unittest/suite_loader.html | 
| @@ -22,8 +22,8 @@ tr.exportTo('tr.b.unittest', function() { | 
| return new Promise(function(resolve, reject) { | 
| var importEl = document.createElement('link'); | 
| importEl.moduleName = moduleName; | 
| -        importEl.setAttribute('rel', 'import'); | 
| -        importEl.setAttribute('href', testRelpath); | 
| +        Polymer.dom(importEl).setAttribute('rel', 'import'); | 
| +        Polymer.dom(importEl).setAttribute('href', testRelpath); | 
|  | 
| importEl.addEventListener('load', function() { | 
| resolve({testRelpath: testRelpath, | 
|  |