Roll src/third_party/freetype/src/ cf8d9b4ce..38bdf22bf (9 commits)

https://chromium.googlesource.com/chromium/src/third_party/freetype2.git/+log/cf8d9b4ce3fa..38bdf22bfe68

$ git log cf8d9b4ce..38bdf22bf --date=short --no-merges --format='%ad %ae %s'
2017-07-13 wl [truetype] Improve code comment.
2017-07-13 wl [base] Fix memory leak.
2017-07-12 wl [base] Integer overflow.
2017-07-12 wl Document how to scale manually.
2017-07-12 wl CHANGES: Add information on global metrics rounding.
2017-07-12 wl * src/truetype/ttpload.c (tt_face_get_location): Off-by-one typo.
2017-07-11 htl10 Changelog: typo, chromium issue id is 2276 instead of 2278
2017-07-07 wl [cff] Integer overflow.
2017-07-06 apodtele Tweak suggested use of `lsb_delta' and `rsb_delta'.

Created with:
  roll-dep src/third_party/freetype/src
R=wangxianzhu@chromium.org,michaelbai@chromium.org,bungeman@chromium.org,drott@chromium.org

BUG=https://bugs.chromium.org/p/pdfium/issues/detail?id=812

Change-Id: I79d5dba70fe04d4965b80d156c859f3083c5c71f
Reviewed-on: https://chromium-review.googlesource.com/574651Reviewed-by: Dominik Röttsches <drott@chromium.org>
Commit-Queue: Ben Wagner <bungeman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#487151}

DEPS

@@ -92,7 +92,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling freetype
   # and whatever else without interference from each other.
-  'freetype_revision': 'cf8d9b4ce3fa2c6cd9ccb25585bc17a355c987b0',
+  'freetype_revision': '38bdf22bfe68432aebdd33c198a0bd11b4ebb96f',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling catapult
   # and whatever else without interference from each other.

third_party/freetype/README.chromium

 Name: FreeType
 URL: http://www.freetype.org/
-Version: VER-2-8-64
-Revision: cf8d9b4ce3fa2c6cd9ccb25585bc17a355c987b0
+Version: VER-2-8-73
+Revision: 38bdf22bfe68432aebdd33c198a0bd11b4ebb96f
 License: Custom license "inspired by the BSD, Artistic, and IJG (Independent
          JPEG Group) licenses"
 License File: src/docs/FTL.TXT