Also remove the supporting SkScalerContext::generateGlyphCount. It was
once a possibility that different strikes could have a different number
of glyphs available. This generally does not happen, but if it did this
would now be handled at the typeface level.
Change-Id: I8db7f2726c565447c211a79fe3cdfec619a99a81
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/345129
Reviewed-by: Herb Derby <herb@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>
ba158b9daf