[PDF] Add font subsetting using the sfntly library.

Patch from Arthur Hsu, original CL: http://codereview.chromium.org/7513003/

Review URL: http://codereview.appspot.com/4828041

git-svn-id: http://skia.googlecode.com/svn/trunk@1957 2bbb7eff-a529-9590-31e7-b0007b416f81
2 files changed