mas: Remove the private API call in font_fallback_mac.mm
mas: Remove the private API call in font_fallback_mac.mm

zhanggyb/libchromiumcontent,zhanggyb/libchromiumcontent,bbondy/libchromiumcontent,paulcbetts/libchromiumcontent,brave/libchromiumcontent,atom/libchromiumcontent,atom/libchromiumcontent,electron/libchromiumcontent,bbondy/libchromiumcontent,brave/libchromiumcontent,electron/libchromiumcontent,paulcbetts/libchromiumcontent