FuzzCanvas: rename functions, cleanup

Change-Id: I52c2da967f7a690d262d05e8f6a6c0242391d55a
Reviewed-on: https://skia-review.googlesource.com/9537
Commit-Queue: Hal Canary <halcanary@google.com>
Reviewed-by: Kevin Lubick <kjlubick@google.com>
1 file changed