separate mac fonthost into atsui (32bit, pre-10.6) and coretext (64bit, 10.6)
implementations.

code submitted by http://codereview.appspot.com/user/refnum



git-svn-id: http://skia.googlecode.com/svn/trunk@570 2bbb7eff-a529-9590-31e7-b0007b416f81
3 files changed