From <rdar://problem/9387092> We should fix layer names to say "tiled" and show CALayer addresses, not PlatformCALayer addresses, to make debugging easier. I've been confused by the lack of "tiled" in CA_PRINT_TREE output several times now.
Created attachment 92659 [details] Patch
Committed r86051: <http://trac.webkit.org/changeset/86051>