This is needed for accurate error reporting when we start reporting
ranges rather than line numbers.
Change-Id: If465317e04685e91ab7c408d29e82028b5d59d1a
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/523425
Reviewed-by: John Stiles <johnstiles@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
Commit-Queue: Ethan Nicholas <ethannicholas@google.com>