Name name changes suggested in API review

Bug: skia:9843
Change-Id: Ib7e30a129dff17ecde81daa1ff665304908face3
Docs-Preview: https://skia.org/?cl=275048
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/275048
Reviewed-by: Kevin Lubick <kjlubick@google.com>
Commit-Queue: Nathaniel Nifong <nifong@google.com>
10 files changed