Roll src/third_party/skia 9acfc6cac2c6..227424b57d28 (10 commits) (#5888)

Auto-roller completed checks. Merging.

DEPS

@@ -23,7 +23,7 @@ vars = {
   'fuchsia_git': 'https://fuchsia.googlesource.com',
   'github_git': 'https://github.com',
   'skia_git': 'https://skia.googlesource.com',
-  'skia_revision': '9acfc6cac2c68ab48121b321ad4e2d14f03224c7',
+  'skia_revision': '227424b57d2898de8161b528b5e7fa295f93028b',
 
   # When updating the Dart revision, ensure that all entries that are
   # dependencies of Dart are also updated to match the entries in the

travis/licenses_golden/licenses_skia

-Signature: c96007369e83f72dc335f5fe628c56ed
+Signature: 403dcf3bb8e8981d1de9e9fdaa7198fe
 
 UNUSED LICENSES:
 
@@ -3317,7 +3317,6 @@ FILE: ../../../third_party/skia/src/core/SkSharedMutex.h
 FILE: ../../../third_party/skia/src/core/SkSpinlock.cpp
 FILE: ../../../third_party/skia/src/core/SkTDPQueue.h
 FILE: ../../../third_party/skia/src/core/SkTTopoSort.h
-FILE: ../../../third_party/skia/src/core/SkTextBlobRunIterator.h
 FILE: ../../../third_party/skia/src/core/SkThreadID.cpp
 FILE: ../../../third_party/skia/src/core/SkTime.cpp
 FILE: ../../../third_party/skia/src/core/SkXfermodeInterpretation.cpp