[Webkit-unassigned] [Bug 211640] Fix wpt shadow-dom/slots-fallback-in-document.html

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=211640

--- Comment #4 from Tetsuharu Ohzeki <tetsuharu.ohzeki at gmail.com> ---
(In reply to Darin Adler from comment #3)
> Comment on attachment 398885 [details]
> Patch
> 
> View in context:
> https://bugs.webkit.org/attachment.cgi?id=398885&action=review
> 
> > Source/WebCore/html/HTMLSlotElement.cpp:123
> > -        if (is<HTMLSlotElement>(*node))
> > +        if (is<HTMLSlotElement>(*node) && downcast<HTMLSlotElement>(*node).containingShadowRoot())
> 
> Why is this different from the code above that iterates children?

This condition changing is correspond to the spec[1], step 5-1-1.

[1]: https://dom.spec.whatwg.org/#find-flattened-slotables

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