Merge to XFA: Name IFX_SysFontInfo subclasses consistently.

(cherry picked from commit 4d2e494e38ffdeb0143fbe3f624743499ebcac80)
Original Review URL: https://codereview.chromium.org/1257743005 .

R=thestig@chromium.org
TBR=thestig@chromium.org

Review URL: https://codereview.chromium.org/1258283004 .
2 files changed