Roll third_party/skia/ c994a93b3..91e260f4d (1 commit)

https://chromium.googlesource.com/skia.git/+log/c994a93b3272..91e260f4dbcb

Add //third_party/skia/src/codec/SkMasks.cpp to the build to make it link.

Created with:
  roll-dep third_party/skia

Change-Id: I500a06dd23e319a125fe7abe76612a8c0d233aa8
Reviewed-on: https://pdfium-review.googlesource.com/c/44972
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Lei Zhang <thestig@chromium.org>
diff --git a/DEPS b/DEPS
index 07cdabb..65a524e 100644
--- a/DEPS
+++ b/DEPS
@@ -30,7 +30,7 @@
   'jpeg_turbo_revision': '61a2bbaa9aec89cb2c882d87ace6aba9aee49bb9',
   'markupsafe_revision': '8f45f5cfa0009d2a70589bcda0349b8cb2b72783',
   'pdfium_tests_revision': '5a68e87859476eb75d3e068bd406c4921a6be8e2',
-  'skia_revision': 'c994a93b327235182c6d29a782c409b2c58476ae',
+  'skia_revision': '91e260f4dbcb4006c3b177c2eba7ed0dc1af3e3d',
   'tools_memory_revision': 'f7b00daf4df7f6c469f5fbc68d7f40f6bd15d6e6',
   'trace_event_revision': '211b3ed9d0481b4caddbee1322321b86a483ca1f',
   'v8_revision': 'a4f6a37da361b69c87c9230152d8cfb8ce351428',
diff --git a/skia/BUILD.gn b/skia/BUILD.gn
index 26aed15..218caa9 100644
--- a/skia/BUILD.gn
+++ b/skia/BUILD.gn
@@ -213,6 +213,7 @@
   sources += skia_sksl_sources
   sources += skia_utils_sources
   sources += [
+    "//third_party/skia/src/codec/SkMasks.cpp",
     "//third_party/skia/src/fonts/SkFontMgr_indirect.cpp",
     "//third_party/skia/src/fonts/SkRemotableFontMgr.cpp",
     "//third_party/skia/src/images/SkImageEncoder.cpp",