As per WPE/GTK add the new header to the public header set so it can be used from WebKit.
Created attachment 456728 [details] [fast-cq] build fix
Committed r292406 (249269@main): <https://commits.webkit.org/249269@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 456728 [details].
<rdar://problem/91305928>