Revert "Migrate MakeCrossContextFromPixmap to GrDirectContext"

This reverts commit 066f7d6b1ada68217fba365d30f6dd766ca0139b.

Reason for revert: Cant land until flutter PR 20235 reaches g3

Original change's description:
> Migrate MakeCrossContextFromPixmap to GrDirectContext
> 
> This function isn't used by Chrome so we migrate directly.
> Flutter migration is at https://github.com/flutter/engine/pull/20235
> 
> Bug: skia:104662
> Change-Id: I9d875acdbd162f50a6d86b3a4cae3f400e4dd38f
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/305180
> Commit-Queue: Adlai Holler <adlai@google.com>
> Reviewed-by: Brian Salomon <bsalomon@google.com>
> Reviewed-by: Robert Phillips <robertphillips@google.com>

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

Change-Id: I100a87075ffdf5c0cda78c95f1cfe3310f97630e
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: skia:104662
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/308501
Reviewed-by: Adlai Holler <adlai@google.com>
Commit-Queue: Adlai Holler <adlai@google.com>
5 files changed