Make all the WebKit2 headers private and move Cocoa UIProcess API headers to a Deprecated group
Created attachment 221795 [details] Patch
Committed r162478: <http://trac.webkit.org/changeset/162478>
This breaks clean builds. check-for-webkit-framework-include-consistency and check-for-inappropriate-macros-in-external-headers both expect WebKit2.framework/(Versions/A/)Headers/ to exist.