Roll src/third_party/skia 637c06aec7b1..66261f1ac2b7 (29 commits) (#6251)

https://skia.googlesource.com/skia.git/+log/637c06aec7b1..66261f1ac2b7


Created with:
  gclient setdep -r src/third_party/skia@66261f1ac2b7

The AutoRoll server is located here: https://autoroll.skia.org/r/skia-flutter-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

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': '637c06aec7b1f424c15db74639e8ed3a6759163b',
+  'skia_revision': '66261f1ac2b743b9f7808277ae2e8709238a8d42',
 
   # 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: c73e821c0663a977f80a79857cb14e84
+Signature: 8ed6cf53af997d9ca12acc3f132a0a3d
 
 UNUSED LICENSES:
 
@@ -1529,12 +1529,21 @@ FILE: ../../../third_party/skia/src/gpu/gradients/GrGradientShader.h
 FILE: ../../../third_party/skia/src/gpu/gradients/GrLinearGradientLayout.cpp
 FILE: ../../../third_party/skia/src/gpu/gradients/GrLinearGradientLayout.fp
 FILE: ../../../third_party/skia/src/gpu/gradients/GrLinearGradientLayout.h
+FILE: ../../../third_party/skia/src/gpu/gradients/GrRadialGradientLayout.cpp
+FILE: ../../../third_party/skia/src/gpu/gradients/GrRadialGradientLayout.fp
+FILE: ../../../third_party/skia/src/gpu/gradients/GrRadialGradientLayout.h
 FILE: ../../../third_party/skia/src/gpu/gradients/GrSingleIntervalGradientColorizer.cpp
 FILE: ../../../third_party/skia/src/gpu/gradients/GrSingleIntervalGradientColorizer.fp
 FILE: ../../../third_party/skia/src/gpu/gradients/GrSingleIntervalGradientColorizer.h
+FILE: ../../../third_party/skia/src/gpu/gradients/GrSweepGradientLayout.cpp
+FILE: ../../../third_party/skia/src/gpu/gradients/GrSweepGradientLayout.fp
+FILE: ../../../third_party/skia/src/gpu/gradients/GrSweepGradientLayout.h
 FILE: ../../../third_party/skia/src/gpu/gradients/GrTiledGradientEffect.cpp
 FILE: ../../../third_party/skia/src/gpu/gradients/GrTiledGradientEffect.fp
 FILE: ../../../third_party/skia/src/gpu/gradients/GrTiledGradientEffect.h
+FILE: ../../../third_party/skia/src/gpu/gradients/GrTwoPointConicalGradientLayout.cpp
+FILE: ../../../third_party/skia/src/gpu/gradients/GrTwoPointConicalGradientLayout.fp
+FILE: ../../../third_party/skia/src/gpu/gradients/GrTwoPointConicalGradientLayout.h
 FILE: ../../../third_party/skia/src/gpu/mtl/GrMtlBuffer.h
 FILE: ../../../third_party/skia/src/gpu/mtl/GrMtlBuffer.mm
 FILE: ../../../third_party/skia/src/gpu/mtl/GrMtlCopyManager.h