Remove unused method and de-virtualize others in Element.h
https://bugs.webkit.org/show_bug.cgi?id=115770
Reviewed by Andreas Kling.
Merge https://chromium.googlesource.com/chromium/blink/+/
c2c2ff9cb69f46f5cc9d289b2bfbdb8ab5bd3e49
The de-virtualization possibilities were noted whilst "FINALizing" the Node
hierarchy. If a method is successfully marked FINAL but then fails when marked
OVERRIDE as well, the method by definition does not need to be virtual.
* WebCore.exp.in:
* dom/Element.h:
(WebCore::Element::hasAuthorShadowRoot):
git-svn-id: https://svn.webkit.org/repository/webkit/trunk@149718
268f45cc-cd09-0410-ab3c-
d52691b4dbfc