GitLab

Update the mojom interface definition of landmark to match the Spec, and adjust
the usage in services/blink/LayoutTests.
Export eyes and mouth landmarks that detect with Mac Vision Framework, the points
are normalized to the bounding box of the detected face, with the origin at the
bounding box of the detected face's lower-left corner.

Link Mac 10.13 build bots [1] and Face Detection demo[2] here.

[1] https://ci.chromium.org/buildbot/chromium.fyi/Chromium%20Mac%2010.13/
[2] https://codepen.io/miguelao/pen/PmJWro

BUG=799319

Cq-Include-Trybots: luci.chromium.try:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win10_chromium_x64_rel_ng
Change-Id: Id034721a517e4ab2a6b9aa0e3eec9d10997b5b80
Reviewed-on: https://chromium-review.googlesource.com/982579Reviewed-by: Miguel Casas <mcasas@chromium.org>
Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Reviewed-by: Reilly Grant <reillyg@chromium.org>
Reviewed-by: Mark Mentovai <mark@chromium.org>
Commit-Queue: Junwei Fu <junwei.fu@intel.com>
Cr-Commit-Position: refs/heads/master@{#552217}