| Index: tracing/tracing/ui/base/polymer_preload.html
|
| diff --git a/tracing/tracing/ui/base/polymer_preload.html b/tracing/tracing/ui/base/polymer_preload.html
|
| index 8860b5befecfd08c1efda82f731a3f3c7fa3a4bb..4c21ef991ca0d1fb9cc1c3a9715928fd09317b4f 100644
|
| --- a/tracing/tracing/ui/base/polymer_preload.html
|
| +++ b/tracing/tracing/ui/base/polymer_preload.html
|
| @@ -8,8 +8,9 @@ found in the LICENSE file.
|
| 'use strict';
|
|
|
| // Force Polymer into native shadowDom mode
|
| -if (window.Polymer)
|
| +if (window.Polymer) {
|
| throw new Error('Cannot proceed. Polymer already present.');
|
| +}
|
| window.Polymer = {};
|
| window.Polymer.dom = 'shadow';
|
| </script>
|
|
|