Migrate gpu resource methods to GrDirectContext

Cut & paste job

Change-Id: I92e7d1ca5fdf7a7f9961b77a6088f06ed401cc2a
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/325616
Auto-Submit: Adlai Holler <adlai@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
4 files changed