[Quick Look] Rename PreviewLoader{,Client} to LegacyPreviewLoader{,Client}
Created attachment 381704 [details] Patch
Comment on attachment 381704 [details] Patch rs=me
Comment on attachment 381704 [details] Patch Clearing flags on attachment: 381704 Committed r251488: <https://trac.webkit.org/changeset/251488>
All reviewed patches have been landed. Closing bug.
<rdar://problem/56549699>