The spec changed in order to align with the error thrown by importNode. https://github.com/w3c/webcomponents/issues/393
Assignee: nobody → jjong
Attachment #8942072 - Flags: review?(bugs)
Pushed by email@example.com: https://hg.mozilla.org/integration/mozilla-inbound/rev/b584c2d1fb90 cloneNode on ShadowRoot interface should throw NotSupportedError. r=smaug
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