There is some duplication of functions in apple additions, which is fallout from moving watchOS ports from apple_additions into webkitpy.
<rdar://problem/46493491>
Created attachment 356626 [details] Patch
Comment on attachment 356626 [details] Patch Clearing flags on attachment: 356626 Committed r238910: <https://trac.webkit.org/changeset/238910>
All reviewed patches have been landed. Closing bug.