Roll pdfium/third_party/freetype/src/ ae7dc1f62..91015cb41 (35 commits)

https://chromium.googlesource.com/chromium/src/third_party/freetype2.git/+log/ae7dc1f62d82..91015cb41d8f

$ git log ae7dc1f62..91015cb41 --date=short --no-merges --format='%ad %ae %s'
2017-10-21 apodtele [smooth] Improve complex rendering at high ppem.
2017-10-20 apodtele [base] Improve tracing in FT_Load_Glyph, FT_*_Size.
2017-10-18 apodtele [base] Improve tracing in FT_Render_Glyph.
2017-10-16 ewaldhew [cff] Fix segfault on missing `psaux' (#52218)
2017-10-15 apodtele [base, cff] Fix MSVC warnings.
2017-10-14 apodtele [base] Netpbm image tracing.
2017-10-14 apodtele * builds/windows/ftdebug.c (FT_Message): Print to stderr.
2017-10-14 behdad [afshaper] Delay creating `hb_set' objects until needed.
2017-10-12 ewaldhew * devel/ftoption.h: Enable T1_CONFIG_OPTION_OLD_ENGINE by default.
2017-10-12 ewaldhew [type1, cid] Add hinting engine switch.
2017-10-12 ewaldhew Add T1_CONFIG_OPTION_OLD_ENGINE configuration option.
2017-10-12 ewaldhew Extract width parsing from Type 1 parser.
2017-10-12 wl [autofit] Better visualize table tracing in source code.
2017-10-09 wl * src/base/ftoutln.c (FT_Outline_Translate): Fix integer overflow.
2017-10-08 wl * src/base/ftobjs.c (ft_glyphslot_preset_bitmap): Integer overflows.
2017-10-08 wl Document global size metrics needed for native bytecode hinting (#52165).
2017-10-08 wl Prevent creation of an incorrect documentation entry.
2017-10-07 wl [sfnt] Adjust behaviour of PS font names for variation fonts.
2017-10-07 wl [cff, truetype] Adjust behaviour of named instances.
2017-10-07 wl Make `FT_Set_Named_Instance' work.
2017-10-07 wl Make `FT_FACE_FLAG_VARIATION' work.
2017-10-07 wl New function `FT_Set_Named_Instance'.
2017-10-07 wl Add macros for checking whether a font variation is active.
2017-10-07 wl Add framework for setting named instance in MM service.
2017-10-07 wl [type1] Minor code shuffling.
2017-10-05 wl * src/base/ftobjs.c (ft_glyphslot_preset_bitmap): Fix integer overflow.
2017-10-05 wl Fix compiler warnings.
2017-10-04 John.Tytgat [cff] Add support for `FSType'.
2017-10-02 wl CHANGES: Formatting.
2017-10-01 wl [smooth,type1] Formatting, whitespace.
2017-10-01 wl [psaux] Formatting, minor fixes, whitespace, copyright notices.
2017-09-30 wl [base,cff,cid] Whitespace, formatting.
2017-09-30 wl [include] Whitespace.
2017-09-30 apodtele Signedness fixes in bitmap presetting.
2017-09-29 apodtele Bitmap metrics presetting [2/2].

Created with:
  roll-dep pdfium/third_party/freetype/src
R=dsinclair@chromium.org,npm@chromium.org,thestig@chromium.org

Bug: pdfium:918
Change-Id: I51ec11a612e54b88ddac40b64428cfaabfaec448
Reviewed-on: https://pdfium-review.googlesource.com/16650
Reviewed-by: Nicolás Peña Moreno <npm@chromium.org>
Commit-Queue: Henrique Nakashima <hnakashima@chromium.org>
diff --git a/DEPS b/DEPS
index a4d2470..772af7a 100644
--- a/DEPS
+++ b/DEPS
@@ -10,7 +10,7 @@
   'catapult_revision': '0cf3924bab2c2f66a412edda35f6e3572bd57623',
   'clang_revision': '4db585405687222660050d58eb12784fe0852884',
   'cygwin_revision': 'c89e446b273697fadf3a10ff1007a97c0b7de6df',
-  'freetype_revision': 'ae7dc1f62d826083d418e86cce3f66a76dff038a',
+  'freetype_revision': '91015cb41d8f56777f93394f5a60914bc0c0f330',
   'gmock_revision': '29763965ab52f24565299976b936d1265cb6a271',
   'gtest_revision': '8245545b6dc9c4703e6496d1efd19e975ad2b038',
   'icu_revision': '08cb956852a5ccdba7f9c941728bb833529ba3c6',