[GPU Process] Simplify DisplayList::Iterator part 2: Rename setItemBufferClient to setItemBuffer{Writing,Reading}Client
Created attachment 424524 [details] Patch
Created attachment 424525 [details] Patch
Committed r275181: <https://commits.webkit.org/r275181> All reviewed patches have been landed. Closing bug and clearing flags on attachment 424525 [details].
<rdar://problem/75974557>