Replace C-style casts with as<T> in the Control Flow Graph.

Change-Id: Id5151a1a9ccf5dd3cb34d9165edff18a12459b93
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/313521
Auto-Submit: John Stiles <johnstiles@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
1 file changed