[Bug 22141] [Shadow]: Need mechanism to tell if an element in a ShadowRoot has been inserted into the Document

https://www.w3.org/Bugs/Public/show_bug.cgi?id=22141

--- Comment #13 from Hayato Ito <hayato@chromium.org> ---
It seems that Document doesn't have `contains`.
http://dom.spec.whatwg.org/#interface-document

We should add `deepContains` to Node, instead of Document.
http://dom.spec.whatwg.org/#dom-node-contains

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Received on Wednesday, 6 August 2014 08:37:36 UTC