Refactor RemoteLayerBackingStoreCollection to have a single backing store traversal function
Created attachment 450697 [details] Patch
Created attachment 450951 [details] Patch
Created attachment 450963 [details] Patch
Committed r289160 (246856@main): <https://commits.webkit.org/246856@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 450963 [details].
<rdar://problem/88529399>