[Bug 21976] [imports]: Preventing DOM hierarchy cycles

https://www.w3.org/Bugs/Public/show_bug.cgi?id=21976

--- Comment #17 from Morrita Hajime <morrita@google.com> ---
OK, Blink doesn't have cycle collector and needs some tweak.
And here is another option: We could let link.import return null more eagerly.

Currently the spec says that link.import returns null when it is out of
document.
That means it comes back to non-null once it is (re)inserted into a document.

This could be more strict: Once the <link> is removed from a document,
its link.import should return null thereafter, regardless the element is 
re-inserted into any document.
In other word, the <link> dies if it is removed from the document,
and it does never come back.

This makes the lifetime a bit simple and keep GC side-effect from visible.

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Received on Thursday, 3 October 2013 09:25:46 UTC