Roll src/third_party/skia c5727d8..999257d (5 commits) (#18174)

Author: skia-flutter-autoroll

DEPS

@@ -26,7 +26,7 @@ vars = {
   'skia_git': 'https://skia.googlesource.com',
   # OCMock is for testing only so there is no google clone
   'ocmock_git': 'https://github.com/erikdoe/ocmock.git',
-  'skia_revision': 'c5727d8e34d2fb54cef5360a7f729a14978a7052',
+  'skia_revision': '999257d870d72eeff50690800488cf5c0252c805',
 
   # When updating the Dart revision, ensure that all entries that are
   # dependencies of Dart are also updated to match the entries in the

ci/licenses_golden/licenses_skia

@@ -1,4 +1,4 @@
-Signature: a796c0c6c1c0f4026259027ef49a46ed
+Signature: 6fb623ea465f52015725b66f5ed9afb7
 
 UNUSED LICENSES:
 
@@ -4619,9 +4619,6 @@ FILE: ../../../third_party/skia/docs/examples/Path_Iter_isCloseLine.cpp
 FILE: ../../../third_party/skia/docs/examples/Path_Iter_isClosedContour.cpp
 FILE: ../../../third_party/skia/docs/examples/Path_Iter_next.cpp
 FILE: ../../../third_party/skia/docs/examples/Path_Iter_setPath.cpp
-FILE: ../../../third_party/skia/docs/examples/Path_RawIter_conicWeight.cpp
-FILE: ../../../third_party/skia/docs/examples/Path_RawIter_next.cpp
-FILE: ../../../third_party/skia/docs/examples/Path_RawIter_peek.cpp
 FILE: ../../../third_party/skia/docs/examples/Path_SegmentMask.cpp
 FILE: ../../../third_party/skia/docs/examples/Path_Verb.cpp
 FILE: ../../../third_party/skia/docs/examples/Path_addArc.cpp