Roll third_party/freetype/src/ 1e7a8f30c..b66d6a911 (5 commits)

https://chromium.googlesource.com/chromium/src/third_party/freetype2.git/+log/1e7a8f30c231..b66d6a91123c

$ git log 1e7a8f30c..b66d6a911 --date=short --no-merges --format='%ad %ae %s'
2019-02-06 wl CHANGES: Document recent metrics change from Nikolaus.
2019-02-02 madigens [truetype] Apply MVAR hasc, hdsc and hlgp metrics to current FT_Face metrics.
2019-02-02 madigens [sfnt] Use typo metrics if OS/2 fsSelection USE_TYPO_METRICS bit is set.
2019-01-22 wl Update copyright years.
2019-01-18 John.Tytgat [sfnt] Handle TT fonts having two PostScript font names (#55471).

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

Note that this may change line metrics in some variable fonts.

Chromium-Review: https://chromium-review.googlesource.com/1452712
Change-Id: Ie5b8134b91645ba795f0e049ed07c57a4c6482d1
Reviewed-on: https://pdfium-review.googlesource.com/c/50090
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
diff --git a/DEPS b/DEPS
index 3e00a60..c22645b 100644
--- a/DEPS
+++ b/DEPS
@@ -21,7 +21,7 @@
   'code_coverage_revision': '16298755a926f419babc4a11ccfeae0035f48c3f',
   'cygwin_revision': 'c89e446b273697fadf3a10ff1007a97c0b7de6df',
   'depot_tools_revision': 'ddbeac1c06a9c0ffa100f6f2af672af83f980fcb',
-  'freetype_revision': '1e7a8f30c231bace001c617099e78f78743dd3b4',
+  'freetype_revision': 'b66d6a91123c891978ac7cc5e28943b24b8e11d6',
   'gtest_revision': '879ac092fde0a19e1b3a61b2546b2a422b1528bc',
   'icu_revision': '07e7295d964399ee7bee16a3ac7ca5a053b2cf0a',
   'instrumented_lib_revision': 'a959e4f0cb643003f2d75d179cede449979e3e77',