Revert "Remove old version of MakeCrossContextFromPixmap"

This reverts commit 237a95fe7b28ea2629808885c056db51580902fb.

Reason for revert: Flutter in Google 3.

Original change's description:
> Remove old version of MakeCrossContextFromPixmap
> 
> Client code has been updated
> 
> Change-Id: Ic6102effc63c0f4f00a47b8876107aa0b2306e32
> Reviewed-on: https://skia-review.googlesource.com/c/skia/+/235296
> Reviewed-by: Mike Reed <reed@google.com>
> Commit-Queue: Brian Osman <brianosman@google.com>

TBR=brianosman@google.com,reed@google.com

Change-Id: I0a290030e55987c690b51470a381aca2b6faab2f
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/235397
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
1 file changed