DirectWrite to use PostScript name for PDF.

The PDF backend expects info->fFontName to be the PostScript name.
Prior to this change the '<family> <sytle>' name was used instead.

R=vandebo@chromium.org, halcanary@google.com, reed@google.com, thestig@chromium.org

Author: bungeman@google.com

Review URL: https://codereview.chromium.org/324403010
1 file changed