Roll src/third_party/sfntly/src/ 280414815..b55ff303e (3 commits)

https://chromium.googlesource.com/external/github.com/googlei18n/sfntly.git/+log/2804148152d2..b55ff303ea2f

$ git log 280414815..b55ff303e --date=short --no-merges --format='%ad %ae %s'
2018-10-17 tikuta Specify const for operator()
2018-09-27 nyshadhr Add tests for EOT's 255SHORT encoding
2018-09-26 nyshadhr Fix encoding for EOT's 255SHORT

Created with:
  roll-dep src/third_party/sfntly/src

Also removed unnecessary flag.

TBR: thestig@chromium.org
Bug: 683349
Change-Id: I0a00b965126ad4ff10855ae24835706c397dc8af
Reviewed-on: https://chromium-review.googlesource.com/c/1320989Reviewed-by: Takuto Ikuta <tikuta@chromium.org>
Commit-Queue: Takuto Ikuta <tikuta@chromium.org>
Cr-Commit-Position: refs/heads/master@{#605902}

DEPS

@@ -112,7 +112,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling sfntly
   # and whatever else without interference from each other.
-  'sfntly_revision': '2804148152d27fa2e6ec97a32bc2d56318e51142',
+  'sfntly_revision': 'b55ff303ea2f9e26702b514cf6a3196a2e3e2974',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and whatever else without interference from each other.

third_party/sfntly/BUILD.gn

@@ -16,12 +16,6 @@ config("sfntly_public_config") {
 config("sfntly_common_config") {
   defines = [ "SFNTLY_NO_EXCEPTION" ]
   include_dirs = [ "src/cpp/src" ]
-
-  if (is_clang) {
-    # TODO(tikuta): Remove this once the PR is merged.
-    # https://github.com/googlei18n/sfntly/pull/104
-    cflags = [ "-Wno-user-defined-warnings" ]
-  }
 }
 
 source_set("sfntly_chromium") {

third_party/sfntly/README.chromium

 Name: sfntly
 URL: https://github.com/googlei18n/sfntly
-Version: 04740d2600193b14aa3ef24cd9fbb3d5996b9f77
+Version: b55ff303ea2f9e26702b514cf6a3196a2e3e2974
 Security Critical: yes
 License: Apache 2.0
 License File: COPYING.txt