This is part of a larger effort to force SkImage users to specify
the direct context they want to use when manipulating GPU images.
Chrome CL 2299194 (landed) enables the staging flag.
bug: skia:10466
Change-Id: I959db57dd8dca5c2622eb5ffaa7de161c4d6d8f0
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/302643
Commit-Queue: Brian Salomon <bsalomon@google.com>
Auto-Submit: Adlai Holler <adlai@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
4caa935bfe