We don't invalidate the style when a slot is added or removed. This causes fast/shadow-dom/shadow-layout-after-slot-changes.html to fail.
Created attachment 262047 [details] Fixes the bug natively for now
Comment on attachment 262047 [details] Fixes the bug natively for now View in context: https://bugs.webkit.org/attachment.cgi?id=262047&action=review > Source/WebCore/dom/ShadowRoot.cpp:2 > + * Copyright (C) 2011, 2015 Google Inc. All rights reserved. Google?
Committed r190323: <http://trac.webkit.org/changeset/190323>