Currently only the Mac port implements the majority of the methods in WebPreferences that are platform specific.
Created attachment 387560 [details] WIP Patch Just checking the build especially on iOS.
Created attachment 387565 [details] Patch Moving around Apple code as well.
Comment on attachment 387565 [details] Patch Clearing flags on attachment: 387565 Committed r254489: <https://trac.webkit.org/changeset/254489>
All reviewed patches have been landed. Closing bug.
<rdar://problem/58555943>