Roll third_party/freetype/src/ f8af8fba7..dfddc2d97 (14 commits)

https://chromium.googlesource.com/chromium/src/third_party/freetype2.git/+log/f8af8fba78ac..dfddc2d97596

Created with:
  roll-dep third_party/freetype/src

BUG=pdfium:1153
TBR=npm@chromium.org

Change-Id: Ia1359184f0290cd0a04487a50e43b61c5971ab30
Reviewed-on: https://pdfium-review.googlesource.com/42671
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
diff --git a/DEPS b/DEPS
index f13aab7..3f4621b 100644
--- a/DEPS
+++ b/DEPS
@@ -22,7 +22,7 @@
   'code_coverage_revision': '64186cbaf924329bfa0d139c0a45946cc529af1f',
   'cygwin_revision': 'c89e446b273697fadf3a10ff1007a97c0b7de6df',
   'depot_tools_revision': '02d53403125b2669236fd0db69f71f7e332c5767',
-  'freetype_revision': 'f8af8fba78ac7180674ac05493b8afed7e055cf9',
+  'freetype_revision': 'dfddc2d97596489134d21ed6224462331cb1cd73',
   '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 507922b..7b1ed76 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-2-9-1-238
-Revision: f8af8fba78ac7180674ac05493b8afed7e055cf9
+Version: VER-2-9-1-252
+Revision: dfddc2d97596489134d21ed6224462331cb1cd73
 Security Critical: yes
 License: FreeType License (FTL)
 License File: FTL.TXT