Revert "Revert "onMatchFaceStyle is unused, so remove it""

This relands the idea that onMatchFaceStyle is no longer used, but
leaves the baseclass virtual to stage removing it from client
subclasses.

This reverts commit 3c04a655086423adccb0b52521fa31b35b57b8f8.

Change-Id: I18570065249c86f7f155c28288dce3ea9d59f619
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/401759
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Mike Reed <reed@google.com>
17 files changed