Roll src/third_party/skia/ 4c77e817a..6747f5277 (2 commits) (#5343)

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': '4c77e817ab5d9e931f24968dde1e2524f6a59da3',
+  'skia_revision': '6747f52778135ee59debe52ac27d8f19333d75f2',
 
   # 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_third_party

-Signature: fff13722614e422dfce4b2ca239d3ecb
+Signature: db18e92cd54a0415325976551fa6bff4
 
 UNUSED LICENSES:
 
@@ -14146,9 +14146,6 @@ FILE: ../../../third_party/skia/src/core/SkColorSpace.cpp
 FILE: ../../../third_party/skia/src/core/SkColorSpacePriv.h
 FILE: ../../../third_party/skia/src/core/SkColorSpaceXform.cpp
 FILE: ../../../third_party/skia/src/core/SkColorSpaceXformPriv.h
-FILE: ../../../third_party/skia/src/core/SkColorSpaceXform_A2B.cpp
-FILE: ../../../third_party/skia/src/core/SkColorSpaceXform_A2B.h
-FILE: ../../../third_party/skia/src/core/SkColorSpaceXform_Base.h
 FILE: ../../../third_party/skia/src/core/SkColorSpace_A2B.cpp
 FILE: ../../../third_party/skia/src/core/SkColorSpace_A2B.h
 FILE: ../../../third_party/skia/src/core/SkColorSpace_ICC.cpp