Merge to XFA: Declare PDF_GetStandardFontName() in the header.

R=tsepez@chromium.org
TBR=tsepez@chromium.org

Review URL: https://codereview.chromium.org/1410043003 .

(cherry picked from commit 3d7d1d2f29e5fb099367a40822684d31f684fd62)

Review URL: https://codereview.chromium.org/1415453002 .
4 files changed