Fix Windows debug build
Created attachment 454147 [details] Patch
Created attachment 454148 [details] Patch
Created attachment 454150 [details] Patch
Committed r291016 (248190@main): <https://commits.webkit.org/248190@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 454150 [details].
<rdar://problem/89992900>
This change broke WinCairo builds. Filed: Bug 237647 – [WinCairo] SpatialNavigation.h(93): error C2365: 'WebCore::None': redefinition; previous definition was 'enumerator'
*** Bug 230877 has been marked as a duplicate of this bug. ***