Revert "Make asFragmentProcessor entry point only take a GrRecordingContext"

This reverts commit e821d21e41669071cf017f79c3c36f9934e36c38.

Reason for revert: enh

Original change's description:
> Make asFragmentProcessor entry point only take a GrRecordingContext
> 
> This is split out of: https://skia-review.googlesource.com/c/skia/+/192032 (Switch FP creation over to GrRecordingContext)
> 
> TBR=bsalomon@google.com
> Change-Id: I48a5667b1ca31d5648571083fcda76564fae939b
> Reviewed-on: https://skia-review.googlesource.com/c/192687
> Commit-Queue: Robert Phillips <robertphillips@google.com>
> Reviewed-by: Greg Daniel <egdaniel@google.com>

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

Change-Id: I9041b3479ef5004f14eb5a97c0e25e60f8b8ba14
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://skia-review.googlesource.com/c/193039
Reviewed-by: Robert Phillips <robertphillips@google.com>
Commit-Queue: Robert Phillips <robertphillips@google.com>
25 files changed