SkShaper to account for line wrap.

Now that line wrap is possible, handle it.

Change-Id: Ibe2c849cedfd91167c2d48352999052b61d47e9d
Reviewed-on: https://skia-review.googlesource.com/99885
Reviewed-by: Hal Canary <halcanary@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>
4 files changed