LayerTreeHost and LayerTreeHostMac should just be a single class
Created attachment 86818 [details] Patch
Comment on attachment 86818 [details] Patch I'm going to take a slightly different approach after talking to Anders.
Created attachment 86839 [details] Split Mac-specific parts of LayerTreeHostCA into LayerTreeHostCAMac.mm
Committed r81903: <http://trac.webkit.org/changeset/81903>