Simplify FreeType glyph bounds.

Avoid the unnecessary round trip through SkScalar, and set the bounds
of glyphs which overflow to empty.

Change-Id: I8715fa977085903ec4710df7cd8f4505ac24ad6a
Reviewed-on: https://skia-review.googlesource.com/152386
Commit-Queue: Ben Wagner <bungeman@google.com>
Reviewed-by: Herb Derby <herb@google.com>
1 file changed