| Index: third_party/WebKit/LayoutTests/imported/web-platform-tests/shadow-dom/Document-prototype-adoptNode.html | 
| diff --git a/third_party/WebKit/LayoutTests/imported/web-platform-tests/shadow-dom/Document-prototype-adoptNode.html b/third_party/WebKit/LayoutTests/imported/web-platform-tests/shadow-dom/Document-prototype-adoptNode.html | 
| new file mode 100644 | 
| index 0000000000000000000000000000000000000000..44efaffac432558637e9802b42830908b3feff31 | 
| --- /dev/null | 
| +++ b/third_party/WebKit/LayoutTests/imported/web-platform-tests/shadow-dom/Document-prototype-adoptNode.html | 
| @@ -0,0 +1,31 @@ | 
| +<!DOCTYPE html> | 
| +<html> | 
| +<head> | 
| +<title>DOM and Shadow DOM: Document.prototype.adoptNode</title> | 
| +<meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org"> | 
| +<meta name="assert" content="The adoptNode(node) method must throw a HierarchyRequestError exception if node is a shadow root."> | 
| +<link rel="help" href="https://dom.spec.whatwg.org/#dom-document-adoptnode"> | 
| +<script src="../../../resources/testharness.js"></script> | 
| +<script src="../../../resources/testharnessreport.js"></script> | 
| +</head> | 
| +<body> | 
| +<div id="log"></div> | 
| +<script> | 
| + | 
| +function testAdoptNode(mode) { | 
| +    test(function () { | 
| +        var newDocument = document.implementation.createHTMLDocument(); | 
| +        assert_throws({'name': 'HierarchyRequestError'}, function () { | 
| +            var element = document.createElement('div'); | 
| +            var shadowRoot = element.attachShadow({mode: mode}); | 
| +            newDocument.adoptNode(shadowRoot); | 
| +        }); | 
| +    }, 'adoptNode on a shadow root in ' + mode + ' mode must throw a HierarchyRequestError'); | 
| +} | 
| + | 
| +testAdoptNode('open'); | 
| +testAdoptNode('closed'); | 
| + | 
| +</script> | 
| +</body> | 
| +</html> | 
|  |