| Index: third_party/WebKit/LayoutTests/custom-elements/spec/resources/custom-elements-helpers.js
|
| diff --git a/third_party/WebKit/LayoutTests/custom-elements/spec/resources/custom-elements-helpers.js b/third_party/WebKit/LayoutTests/custom-elements/spec/resources/custom-elements-helpers.js
|
| index 7a1c7196fe65276e536e5b269001cb878089c62f..114e1b00bc6ffb268a28a110e75a443962c4ef7d 100644
|
| --- a/third_party/WebKit/LayoutTests/custom-elements/spec/resources/custom-elements-helpers.js
|
| +++ b/third_party/WebKit/LayoutTests/custom-elements/spec/resources/custom-elements-helpers.js
|
| @@ -4,7 +4,7 @@ function create_window_in_test(t, srcdoc) {
|
| f.srcdoc = srcdoc ? srcdoc : '';
|
| f.onload = (event) => {
|
| let w = f.contentWindow;
|
| - t.add_cleanup(() => f.remove());
|
| + t.add_cleanup(() => f.parentNode && f.remove());
|
| resolve(w);
|
| };
|
| document.body.appendChild(f);
|
|
|