Roll Skia from 30a368d502bf to 951eb9653163 (4 revisions)

https://skia.googlesource.com/skia.git/+log/30a368d502bf..951eb9653163

2023-05-08 johnstiles@google.com Remove Switch support from DSL entirely.
2023-05-08 johnstiles@google.com Simplify parser handling of expressions.
2023-05-08 kjlubick@google.com Manually Roll Dawn from 2966d3ad08eb to 53e721afe0c5 (63 revisions)
2023-05-08 johnstiles@google.com Reland "Prevent name collisions between variables and intrinsics."

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/skia-flutter-autoroll
Please CC brianosman@google.com,djsollen@google.com,jimgraham@google.com,rmistry@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in Skia: https://bugs.chromium.org/p/skia/issues/entry
To file a bug in Flutter: https://github.com/flutter/flutter/issues/new/choose

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

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

Author: skia-flutter-autoroll

DEPS

@@ -18,7 +18,7 @@ vars = {
   'llvm_git': 'https://llvm.googlesource.com',
   # OCMock is for testing only so there is no google clone
   'ocmock_git': 'https://github.com/erikdoe/ocmock.git',
-  'skia_revision': '30a368d502bfa070c1bce043cf4384bb6650de79',
+  'skia_revision': '951eb9653163eed7d7b8758c470f4477be0689ba',
 
   # WARNING: DO NOT EDIT canvaskit_cipd_instance MANUALLY
   # See `lib/web_ui/README.md` for how to roll CanvasKit to a new version.

ci/licenses_golden/licenses_skia

@@ -1,4 +1,4 @@
-Signature: 97f07bcb1b8ca9869d9487aa0ff03a1b
+Signature: 126831cc78d416d4d830c20a186ac345
 
 ====================================================================================================
 LIBRARY: etc1
@@ -8002,8 +8002,6 @@ ORIGIN: ../../../third_party/skia/src/sksl/SkSLPosition.h + ../../../third_party
 ORIGIN: ../../../third_party/skia/src/sksl/SkSLProgramKind.h + ../../../third_party/skia/LICENSE
 ORIGIN: ../../../third_party/skia/src/sksl/dsl/DSLBlock.cpp + ../../../third_party/skia/LICENSE
 ORIGIN: ../../../third_party/skia/src/sksl/dsl/DSLBlock.h + ../../../third_party/skia/LICENSE
-ORIGIN: ../../../third_party/skia/src/sksl/dsl/DSLCase.cpp + ../../../third_party/skia/LICENSE
-ORIGIN: ../../../third_party/skia/src/sksl/dsl/DSLCase.h + ../../../third_party/skia/LICENSE
 ORIGIN: ../../../third_party/skia/src/sksl/dsl/DSLFunction.cpp + ../../../third_party/skia/LICENSE
 ORIGIN: ../../../third_party/skia/src/sksl/dsl/DSLFunction.h + ../../../third_party/skia/LICENSE
 ORIGIN: ../../../third_party/skia/src/sksl/dsl/DSLLayout.cpp + ../../../third_party/skia/LICENSE
@@ -8046,8 +8044,6 @@ FILE: ../../../third_party/skia/src/sksl/SkSLPosition.h
 FILE: ../../../third_party/skia/src/sksl/SkSLProgramKind.h
 FILE: ../../../third_party/skia/src/sksl/dsl/DSLBlock.cpp
 FILE: ../../../third_party/skia/src/sksl/dsl/DSLBlock.h
-FILE: ../../../third_party/skia/src/sksl/dsl/DSLCase.cpp
-FILE: ../../../third_party/skia/src/sksl/dsl/DSLCase.h
 FILE: ../../../third_party/skia/src/sksl/dsl/DSLFunction.cpp
 FILE: ../../../third_party/skia/src/sksl/dsl/DSLFunction.h
 FILE: ../../../third_party/skia/src/sksl/dsl/DSLLayout.cpp