Fourth fragment from "Reduce dependence on GrSurface's origin field"

TBR=bsalomon@google.com
Change-Id: I8ed3b1f5e468d99b3ac06e8cfdf74b49042813f8
Reviewed-on: https://skia-review.googlesource.com/26144
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
1 file changed