Roll third_party/freetype/src/ dfddc2d97..abd997aa7 (9 commits)

https://chromium.googlesource.com/chromium/src/third_party/freetype2.git/+log/dfddc2d97596..abd997aa7cf2

$ git log dfddc2d97..abd997aa7 --date=short --no-merges --format='%ad %ae %s'
2018-09-21 wl Improve documentation of `FT_LOAD_NO_RECURSE'.
2018-09-21 bungeman Improve auto-hinter handling of bitmap fonts (#54681).
2018-09-21 wl [raster] Fix disappearing vertical lines (#54589).
2018-09-21 wl [base] Some comments.
2018-09-20 apodtele * src/base/ftobjs.c (ft_glyphslot_reset_bimap): Tiny rounding tweak.
2018-09-20 apodtele [pcf] Replace charmap implementation.
2018-09-20 wl [base] Remove unused function `FT_GlyphLoader_CopyPoints'.
2018-09-19 apodtele [pcf] Prepare to replace charmap implementation.
2018-09-18 apodtele Remove unused fields.

Created with:
  roll-dep third_party/freetype/src

BUG=pdfium:1159
TBR=npm@chromium.org

Change-Id: I535f75ac4a7fdeb3ba3266f57d5fbda39493a6aa
Reviewed-on: https://pdfium-review.googlesource.com/43030
Reviewed-by: Lei Zhang <thestig@chromium.org>
Reviewed-by: Nicolás Peña Moreno <npm@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
diff --git a/DEPS b/DEPS
index 7198691..833fa2e 100644
--- a/DEPS
+++ b/DEPS
@@ -22,7 +22,7 @@
   'code_coverage_revision': '64186cbaf924329bfa0d139c0a45946cc529af1f',
   'cygwin_revision': 'c89e446b273697fadf3a10ff1007a97c0b7de6df',
   'depot_tools_revision': '02d53403125b2669236fd0db69f71f7e332c5767',
-  'freetype_revision': 'dfddc2d97596489134d21ed6224462331cb1cd73',
+  'freetype_revision': 'abd997aa7cf2bc9219136782c7363d14d325199c',
   'gtest_revision': 'd5266326752f0a1dadbd310932d8f4fd8c3c5e7d',
   'icu_revision': 'c56c671998902fcc4fc9ace88c83daa99f980793',
   'instrumented_lib_revision': '323cf32193caecbf074d1a0cb5b02b905f163e0f',
diff --git a/third_party/freetype/README.pdfium b/third_party/freetype/README.pdfium
index 7b1ed76..acfd6ae 100644
--- a/third_party/freetype/README.pdfium
+++ b/third_party/freetype/README.pdfium
@@ -1,7 +1,7 @@
 Name: FreeType
 URL: http://www.freetype.org/
-Version: VER-2-9-1-252
-Revision: dfddc2d97596489134d21ed6224462331cb1cd73
+Version: VER-2-9-1-261
+Revision: abd997aa7cf2bc9219136782c7363d14d325199c
 Security Critical: yes
 License: FreeType License (FTL)
 License File: FTL.TXT