Tag some more API headers with SK_API so they are exposed when doing a DLL build. git-svn-id: http://skia.googlecode.com/svn/trunk@1193 2bbb7eff-a529-9590-31e7-b0007b416f81
git-svn-id: http://skia.googlecode.com/svn/trunk@1187 2bbb7eff-a529-9590-31e7-b0007b416f81