Roll src/third_party/harfbuzz-ng/src/ bcb4e505d..ec2a5dc85 (7 commits)

Fixes fuzzer issues listed in Bugs line.
Remove behdad@google.com from OWNERS.

https://chromium.googlesource.com/external/github.com/harfbuzz/harfbuzz.git/+log/bcb4e505d6ff..ec2a5dc859b0

$ git log bcb4e505d..ec2a5dc85 --date=short --no-merges --format='%ad %ae %s'
2019-03-26 behdad Use class templates for Null objects
2019-03-26 behdad [aat] Add missing check to ankr table
2019-03-25 behdad [docs] Update
2019-03-25 behdad Update ChangeLog generation
2019-03-26 qxliu completely remove lines that are commented out
2019-03-26 qxliu update arguments in_populate_gids_to_retain() and _create_old_gid_to_new_gid_map() so they don't use deprecated variable
2019-03-25 qxliu try to remove deprecated variable from struct definition

Created with:
  roll-dep src/third_party/harfbuzz-ng/src
TBR=bashi@chromium.org,behdad@chromium.org,drott@chromium.org,eae@chromium.org,jshin@chromium.org,bungeman@chromium.org

Bug: 945855, 944346
Change-Id: I632436a98f9d3fd5de96d71a326c3ec4922af758
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1540002
Commit-Queue: Ben Wagner <bungeman@chromium.org>
Reviewed-by: Ben Wagner <bungeman@chromium.org>
Reviewed-by: Dominik Röttsches <drott@chromium.org>
Cr-Commit-Position: refs/heads/master@{#644790}

DEPS

@@ -188,7 +188,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling HarfBuzz
   # and whatever else without interference from each other.
-  'harfbuzz_revision': 'bcb4e505d6ffe33e3268a06698e75d6be0e64957',
+  'harfbuzz_revision': 'ec2a5dc859b03ceb92518aa992e4e9c053b30534',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Emoji Segmenter
   # and whatever else without interference from each other.

third_party/harfbuzz-ng/OWNERS

 bashi@chromium.org
 behdad@chromium.org
-behdad@google.com
 drott@chromium.org
 eae@chromium.org
 jshin@chromium.org

third_party/harfbuzz-ng/README.chromium

 Name: harfbuzz-ng
 Short Name: harfbuzz-ng
 URL: http://harfbuzz.org
-Version: 2.3.1-96
-Date: 20190320
-Revision: bcb4e505d6ffe33e3268a06698e75d6be0e64957
+Version: 2.3.1-103
+Date: 20190327
+Revision: ec2a5dc859b03ceb92518aa992e4e9c053b30534
 Security Critical: yes
 License: MIT
 License File: src/COPYING