Move Make functions for corner and discrete path effects into namespaces.

Deprecates MakeSkCornerPathEffect in favor of SkCornerPathEffect.Make
Deprecates MakeSkDiscretePathEffect in favor of SkDiscretePathEffect.Make

Bug: skia:9843
Change-Id: I5a5b79838d1212605c6cb0b124dc0eabde8a4b4d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/268629
Commit-Queue: Nathaniel Nifong <nifong@google.com>
Reviewed-by: Kevin Lubick <kjlubick@google.com>
3 files changed