| Index: third_party/WebKit/LayoutTests/editing/selection/deletefromdocument-shadow-leak.html
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| diff --git a/third_party/WebKit/LayoutTests/editing/selection/deletefromdocument-shadow-leak.html b/third_party/WebKit/LayoutTests/editing/selection/deletefromdocument-shadow-leak.html
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| new file mode 100644
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| index 0000000000000000000000000000000000000000..e3820a7135ee01c664cd05db10e436ff4df128dc
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| --- /dev/null
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| +++ b/third_party/WebKit/LayoutTests/editing/selection/deletefromdocument-shadow-leak.html
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| @@ -0,0 +1,15 @@
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| +<!DOCTYPE html>
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| +<body>
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| +<script src="../../resources/testharness.js"></script>
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| +<script src="../../resources/testharnessreport.js"></script>
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| +<script>
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| +test(() => {
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| +  let textarea = document.createElement('textarea');
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| +  document.body.appendChild(textarea);
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| +  textarea.select();
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| +  getSelection().deleteFromDocument();
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| +  let anchor = getSelection().anchorNode;
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| +  assert_equals(anchor.getRootNode(), document);
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| +}, 'deleteFromDocument should not leak a UA shadow element in TEXTAREA.');
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| +</script>
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| +</body>
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| 
 |