drawText Cleanup, part 5

Change-Id: I2e6cb63839ec9c6f9d5b829505472f97b076a82c
Reviewed-on: https://skia-review.googlesource.com/c/182260
Auto-Submit: Hal Canary <halcanary@google.com>
Commit-Queue: Mike Reed <reed@google.com>
Reviewed-by: Mike Reed <reed@google.com>
6 files changed