Roll src/third_party/freetype/src/ a6feefdfe..6d65c60fc (16 commits)

https://chromium.googlesource.com/chromium/src/third_party/freetype2.git/+log/a6feefdfefd6..6d65c60fca0e

$ git log a6feefdfe..6d65c60fc --date=short --no-merges --format='%ad %ae %s'
2019-03-02 ramakrishnan.nikhil Minor formatting.
2019-02-25 wl Minor doc fixes.
2019-02-23 wl More documentation updates.
2019-02-23 wl * src/base/ftbitmap.c (FT_Bitmap_Blend): No fractional offsets.
2019-02-23 wl Update all copyright notices.
2019-02-23 wl * src/tools/update-copyright-year: Insert `(C)'.
2019-02-21 prince.cherusker Triage 8ea854bfe92443706d55656072f891ec8f2cb3c2.
2019-02-21 prince.cherusker [truetype] Mask numeric overflows.
2019-02-21 prince.cherusker [psaux] Mask numeric overflow.
2019-02-21 wl s/`....`/'....'/ for SFNT table tags in documentation.
2019-02-20 wl s/NULL/`NULL`/ in documentation.
2019-02-20 wl Minor documentation fixes.
2019-02-20 wl Minor (whitespace, spelling, doc update).
2019-02-16 wink * src/autofit/afwarp.h (af_warper_compute): Fix declaration.
2019-02-16 wl Minor.
2019-02-06 wl CHANGES: Document recent metrics change from Nikolaus.

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

CQ_INCLUDE_TRYBOTS=luci.chromium.try:linux_chromium_msan_rel_ng

PDFium-Change: https://pdfium-review.googlesource.com/c/pdfium/+/51430
Change-Id: I6ec381a728e1318e4fb672cff5e6fa6d92b0e487
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1500054
Reviewed-by: Dominik Röttsches <drott@chromium.org>
Commit-Queue: Ben Wagner <bungeman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#637714}
4 files changed