Roll src/third_party/skia 5a9e7fba1e3a..4f8297db64df (5 commits) (#17855)

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': '5a9e7fba1e3a50300b714b88332a456c2b7d01d6',
+  'skia_revision': '4f8297db64df98b5d95186ebf4b1ddde61930fac',
 
   # 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

-Signature: dff96f47e0b15a5d3558d12cabf32fc1
+Signature: 350c950071a9b05ba68955b25259904c
 
 UNUSED LICENSES:
 
@@ -1589,7 +1589,6 @@ FILE: ../../../third_party/skia/samplecode/SampleStrokePath.cpp
 FILE: ../../../third_party/skia/samplecode/SampleStrokeRect.cpp
 FILE: ../../../third_party/skia/samplecode/SampleTextBox.cpp
 FILE: ../../../third_party/skia/samplecode/SampleTextEffects.cpp
-FILE: ../../../third_party/skia/samplecode/SampleTextureDomain.cpp
 FILE: ../../../third_party/skia/samplecode/SampleVertices.cpp
 FILE: ../../../third_party/skia/samplecode/SampleWritePixels.cpp
 FILE: ../../../third_party/skia/samplecode/SampleXfermodesBlur.cpp
@@ -2081,8 +2080,6 @@ FILE: ../../../third_party/skia/src/gpu/GrSurface.cpp
 FILE: ../../../third_party/skia/src/gpu/GrSurface.h
 FILE: ../../../third_party/skia/src/gpu/effects/GrGaussianConvolutionFragmentProcessor.cpp
 FILE: ../../../third_party/skia/src/gpu/effects/GrGaussianConvolutionFragmentProcessor.h
-FILE: ../../../third_party/skia/src/gpu/effects/GrTextureDomain.cpp
-FILE: ../../../third_party/skia/src/gpu/effects/GrTextureDomain.h
 FILE: ../../../third_party/skia/src/gpu/gl/GrGLCaps.cpp
 FILE: ../../../third_party/skia/src/gpu/gl/GrGLCaps.h
 FILE: ../../../third_party/skia/src/gpu/gl/GrGLPath.cpp