Update SkPaintToGrPaint to perform clamping via child FPs.

Previously, clamping would be a separate child processor on the GrPaint.
This CL consolidates all GrPaint-related color processors into a single
call to grPaint->addColorFragmentProcessor.

Change-Id: If726a1d216d55cb2d07cff92a7c4e7e2a873322d
Bug: skia:10217
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/301020
Commit-Queue: John Stiles <johnstiles@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
1 file changed