Remove GrTextUtil::Paint

This was just acting like a pair of SkPaint, GrColor. But,
had an additional pointer to a color space. I changed
everything to just pass the pair around.

BUG=chromium:864564

Change-Id: I9858556b8bca0d5359d4d6e9784d63ff8c4f467b
Reviewed-on: https://skia-review.googlesource.com/146381
Commit-Queue: Herb Derby <herb@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
10 files changed