tree aa9a49e2bc6dc2ea35ac24e127c30bf520657599
parent c1a2ea33a34070dd71870028fe110c20b92f4126
author Ben Wagner <bungeman@google.com> 1549489064 -0500
committer Skia Commit-Bot <skia-commit-bot@chromium.org> 1549494299 +0000

Add BOT/EOT to Shaper.

This informs HarfBuzz when we are at the beginning or end of a
paragraph so that it can handle a few rules in a special way.

Change-Id: I66a306f1ff7ddb2c1546b0fd9c0cee94cb9f7006
Reviewed-on: https://skia-review.googlesource.com/c/189850
Reviewed-by: Herb Derby <herb@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>