Convert remaining FrameLoaderType enums to enum classes.
Created attachment 416262 [details] Patch
Created attachment 416282 [details] Patch
Tools/Scripts/svn-apply failed to apply attachment 416282 [details] to trunk. Please resolve the conflicts and upload a new patch.
Created attachment 416582 [details] Patch
Committed r271013: <https://trac.webkit.org/changeset/271013> All reviewed patches have been landed. Closing bug and clearing flags on attachment 416582 [details].
<rdar://problem/72528965>