See https://bugs.webkit.org/show_bug.cgi?id=222943#c16
Created attachment 422943 [details] Patch
Thanks for the patch. If this patch contains new public API please make sure it follows the guidelines for new WebKit2 GTK+ API. See https://trac.webkit.org/wiki/WebKitGTK/AddingNewWebKit2API
Committed r274290: <https://commits.webkit.org/r274290> All reviewed patches have been landed. Closing bug and clearing flags on attachment 422943 [details].