Reland "Migrate GrSurfaceContext readPixels to take direct context"

This reverts commit cf0d08e149cfea45b2bc70ec22181315d33ddb3f.

Reason for revert: fix codegen

Original change's description:
> Revert "Migrate GrSurfaceContext readPixels to take direct context"
>
> This reverts commit d169e1915cba8caaddabb22b3672c7cefa91bfa2.
>
> Reason for revert: broke chrome via code generator
>
> Original change's description:
> > Migrate GrSurfaceContext readPixels to take direct context
> >
> > After this lands we'll proceed up the stack and add the direct
> > context requirement to the public API and SkImage.
> >
> > Bug: skia:104662
> > Change-Id: I4b2d779a7fcd65eec68e631757821ac8e136ddba
> > Reviewed-on: https://skia-review.googlesource.com/c/skia/+/309044
> > Commit-Queue: Adlai Holler <adlai@google.com>
> > Reviewed-by: Robert Phillips <robertphillips@google.com>
>
> TBR=robertphillips@google.com,adlai@google.com
>
> Change-Id: I6126f2dca4bc902c903512ac486e22841cc472e5
> No-Presubmit: true
> No-Tree-Checks: true
> No-Try: true
> Bug: skia:104662
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/309281
> Reviewed-by: Adlai Holler <adlai@google.com>
> Commit-Queue: Adlai Holler <adlai@google.com>

TBR=robertphillips@google.com,adlai@google.com


Bug: skia:104662
Change-Id: If899edab54d031a3619a4bbab90d13738679c037
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/309319
Commit-Queue: Adlai Holler <adlai@google.com>
Reviewed-by: Adlai Holler <adlai@google.com>
32 files changed