* Remove erroneous ChildView opacity

* Wire frame metrics through contexts

* Maintain layer stack inside of SceneBuilder

* Remove EnsureSingleChild

* Centralize system-composite and elevation logic

* Wire up OpacityLayer to Scenic

https://skia.googlesource.com/skia.git/+log/ccca30aad770..6344c2937997

git log ccca30aad770..6344c2937997 --date=short --first-parent --format='%ad %ae %s'
2019-12-04 reed@google.com some cleanups for halfplanes
2019-12-04 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2019-12-04 egdaniel@google.com Remove unneeded abandon/release check in GrGpuResource message processing.
2019-12-04 bsalomon@google.com Remove SkSize& SkSize::operator=(const SkISize&)
2019-12-04 halcanary@google.com SkQP: model-creation improvements
2019-12-04 mtklein@google.com work around GCC false positive warning?
2019-12-04 egdaniel@google.com Handle failures in submission of vulkan command buffers.
2019-12-04 mtklein@google.com replace SkIRect[1] with SkIRect
2019-12-04 bsalomon@google.com Fix for 420/422 chroma subsampling of odd dimension images when converting from YUV to RGB on GPU.
2019-12-04 reed@google.com Reland "remove legacy SkPath enum guards"
2019-12-04 robertphillips@google.com Add onPrePrepareDraws to GrFillRectOp
2019-12-04 mtklein@google.com simpler tmp arrays in GrGLPath
2019-12-04 senorblanco@chromium.org Update dawn.h -> webgpu.h, dawn_cpp.h -> webgpu_cpp.h.

Created with:
  gclient setdep -r src/third_party/skia@6344c2937997

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 bsalomon@google.com on the revert to ensure that a human
is aware of the problem.

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/+/master/autoroll/README.md

Bug: None
Tbr: bsalomon@google.com

This issue was hidden by an incorrect test expectation that has been corrected.

Fixes b/144555069
Fixes https://github.com/flutter/flutter/issues/45991

dart-lang/sdk@a9c77229c2 [vm/compiler] Avoid undefined behavior in range analysis shift operation

Roll fuchsia/sdk/core/mac-amd64 from OSk8h... to XCAOU...

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/fuchsia-mac-sdk-flutter-engine
Please CC  on the revert to ensure that a human
is aware of the problem.

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/+/master/autoroll/README.md

https://skia.googlesource.com/skia.git/+log/75368c3a0290..ccca30aad770

git log 75368c3a0290..ccca30aad770 --date=short --first-parent --format='%ad %ae %s'
2019-12-04 rosasco@google.com Notes on how to build SKQP for Fuchsia.
2019-12-04 reed@google.com Revert "remove legacy SkPath enum guards"
2019-12-04 thomasanderson@chromium.org Always check for GL_ARB_sync
2019-12-04 borenet@google.com [infra] Auto-submit the CL to update supported branch configs
2019-12-04 skia-autoroll@skia-public.iam.gserviceaccount.com Roll ../src bd8110e59b6b..d02b0cb4d389 (540 commits)
2019-12-04 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader b64fbfec4dcd..bbd0694f9ab2 (3 commits)
2019-12-04 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 fb40d231c3e2..249cb200173f (15 commits)
2019-12-04 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2019-12-03 herb@google.com Make GrTextBlob initial position const
2019-12-03 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2019-12-03 reed@google.com remove legacy SkPath enum guards
2019-12-03 herb@google.com Start cleanup of GrTextBlob

Created with:
  gclient setdep -r src/third_party/skia@ccca30aad770

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 bsalomon@google.com on the revert to ensure that a human
is aware of the problem.

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/+/master/autoroll/README.md

Bug: None
Tbr: bsalomon@google.com

dart-lang/sdk@413867d678 [infra] Add a script to convert multi-tests to the new static error test framework
dart-lang/sdk@2ea8ff5ae7 [cfe] Don't continue shorting in explicit extension null aware access
dart-lang/sdk@7c3b2b75c8 [infra] Fix deflaking in test.dart

dart-lang/sdk@2a13b1fe26 Reland "[dartdevc] Break dart:_debugger dependency on dart:html"
dart-lang/sdk@48573044b3 Replace helper methods in AbstractTypeSystemTest with ElementsTypesMixin.
dart-lang/sdk@7a911ce3f1 [ package:vm_service ] Fix issue where an exception could be thrown if remote service protocl version was older than that supported by package:vm_service
dart-lang/sdk@f4e44dd705 [vm] Make kernel buffers live exactly as long as their derived views.
dart-lang/sdk@5ecfd7058a Drop fallback to looser as check
dart-lang/sdk@9c220059a1 Implement DOWN for FunctionType(s) with NNBD rules.

dart-lang/sdk@19fc1016da [dart:core] BREAKING CHANGE: Fix analysis errors in NNBD fork
dart-lang/sdk@6c42984383 Update dartdoc to 0.29.2.
dart-lang/sdk@1ebf5cfb39 Fix false positive UNUSED_FIELD on extensions
dart-lang/sdk@b7094364fe [vm] Re-add late field initializer code
dart-lang/sdk@441a17d1f9 [cfe] Fix flow analysis for type parameter promotion, initializers, switch continue and for loops
dart-lang/sdk@9719f75ef3 Add InvalidLanguageVersionOverride Hint; fixes #37504

https://skia.googlesource.com/skia.git/+log/49e564e5e02c..75368c3a0290

git log 49e564e5e02c..75368c3a0290 --date=short --first-parent --format='%ad %ae %s'
2019-12-03 fmalita@chromium.org [skottie] Deferred image frame resolution
2019-12-03 brianosman@google.com Particles: Do a cleanup/standardization pass on the API
2019-12-03 herb@google.com Replace some std::tie with auto []
2019-12-03 michaelludwig@google.com Reorg helper functions in prep for function pointer caching
2019-12-03 herb@google.com Don't draw strikes that are too small
2019-12-03 mtklein@google.com remove SkColorSpaceXformSteps::Required
2019-12-03 kjlubick@google.com [skottieWASM] make sure we are using CPU or GPU correctly
2019-12-03 fmalita@chromium.org Reland "[skottie] Remove defensive seek(0) from Animation ctor"
2019-12-03 mtklein@google.com replace CSXformSteps::Required() in GrSurfaceContext
2019-12-03 mtklein@google.com Fix sprite blitter choice logic
2019-12-03 mtklein@google.com replace CSXformSteps::Required() in SkShader
2019-12-03 mtklein@google.com add friendly new ctor for xform steps
2019-12-03 jvanverth@google.com Some more tweaks to perspective path clipping
2019-12-03 fmalita@chromium.org Revert "[skottie] Remove defensive seek(0) from Animation ctor"
2019-12-03 mtklein@google.com Revert "replace SkColorSpaceXformSteps::Required()"
2019-12-03 fmalita@chromium.org [skottie] Remove defensive seek(0) from Animation ctor
2019-12-03 mtklein@google.com Fix some GCC warnings.
2019-12-03 reed@google.com remove legacy next from iter
2019-12-03 kjlubick@google.com [canvaskit] Add test and extern for MakeImage
2019-12-03 brianosman@google.com Particles: SkImageBinding to allow sampling an image from script
2019-12-03 brianosman@google.com Particles: Better integration for ResourceProvider
2019-12-03 skia-autoroll@skia-public.iam.gserviceaccount.com Roll ../src 8a4500482e8d..bd8110e59b6b (424 commits)
2019-12-03 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 ea0dcd4bda18..fb40d231c3e2 (10 commits)

Created with:
  gclient setdep -r src/third_party/skia@75368c3a0290

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 bsalomon@google.com on the revert to ensure that a human
is aware of the problem.

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/+/master/autoroll/README.md

Bug: None
Tbr: bsalomon@google.com

dart-lang/sdk@89e31069e8 Revert "[vm/cfe] Elaborate for-in statements during async transform"
dart-lang/sdk@f922ed0962 [vm/concurrency] Update IsolateSpawnMemory benchmark
dart-lang/sdk@f7941eb850 [cfe] Handle break/continue in flow analysis
dart-lang/sdk@175ceca1fa Bump pub version in DEPS
dart-lang/sdk@0dc58fdcea Format long lines in shared_type_tests.
dart-lang/sdk@2de9b45c8f Update isFunctionSubtypeOf() to NNBD spec.
dart-lang/sdk@980b7ace7d Implement DOWN with NNBD rules.
dart-lang/sdk@b050a59d3b (dart2js) merge inferrer-engine interface and implementation
dart-lang/sdk@1103d9fdb5 (dart2js): seal-in members used only within the inferrer_engine class
dart-lang/sdk@aa56cd39a3 (dart2js): rename 'assignments' to 'inputs' in global analysis
dart-lang/sdk@198fde2342 Fix language_2/nnbd/syntax/null_assertion_ambiguous_test
dart-lang/sdk@e25744c44e [dartfuzz] Adding support for callable classes
dart-lang/sdk@fe64ce38e8 [vm] Fix late static fields (both non-final and final) in AST mode
dart-lang/sdk@284f662022 Migrate the corelib_2/ tests starting with "e" through "i".

This reverts commit 6c605f8a.

* Revert "Add flow test fixtures and tests (#13986)"

This reverts commit 620f5281.

* Revert "Dynamically determine whether to use offscreen surface based on need (#13976)"

This reverts commit a86ef946.

https://skia.googlesource.com/skia.git/+log/2792515dab7c..49e564e5e02c

git log 2792515dab7c..49e564e5e02c --date=short --first-parent --format='%ad %ae %s'
2019-12-03 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2019-12-03 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2019-12-02 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2019-12-02 rosasco@google.com skqp CIPD upload infra for Fuchsia
2019-12-02 mtklein@google.com remove T*/void* union in SkTArray
2019-12-02 mtklein@google.com tweak for GCC, memcpy() -> for-loop
2019-12-02 mtklein@google.com remove pointless tests
2019-12-02 egdaniel@google.com Update GrSwizzle to only store key and not string.
2019-12-02 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2019-12-02 bsalomon@google.com This is a reland of GrDomainEffect with significant changes:
2019-12-02 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2019-12-02 michaelludwig@google.com Compare textureType separately from backend format
2019-12-02 stani@google.com Expose SkRuntimeShaderFactory class to clients
2019-12-02 jlavrova@google.com A new API call on Paragraph: a number of unresolved glyphs
2019-12-02 mtklein@google.com replace SkColorSpaceXformSteps::Required()
2019-12-02 reed@google.com Reland "fix sense of ifdef for deprecated method"
2019-12-02 reed@google.com Revert "fix sense of ifdef for deprecated method"
2019-12-02 reed@google.com fix sense of ifdef for deprecated method
2019-12-02 skia-autoroll@skia-public.iam.gserviceaccount.com Roll ../src c8e3617e402d..8a4500482e8d (272 commits)
2019-12-02 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 bc82fb14aab4..ea0dcd4bda18 (7 commits)
2019-12-02 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader fb7ca1d5aca5..b64fbfec4dcd (3 commits)
2019-12-01 skia-recreate-skps@skia-swarming-bots.iam.gserviceaccount.com Update SKP version
2019-11-29 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2019-11-29 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2019-11-29 skia-autoroll@skia-public.iam.gserviceaccount.com Roll ../src 43fc40aebfd8..c8e3617e402d (252 commits)
2019-11-29 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 fc3ec57ddf27..bc82fb14aab4 (9 commits)
2019-11-29 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader d6e903bdc9ef..fb7ca1d5aca5 (13 commits)
2019-11-29 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).

Created with:
  gclient setdep -r src/third_party/skia@49e564e5e02c

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 bsalomon@google.com on the revert to ensure that a human
is aware of the problem.

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/+/master/autoroll/README.md

Bug: None
Tbr: bsalomon@google.com

Roll fuchsia/sdk/core/mac-amd64 from 6QxEZ... to OSk8h...

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/fuchsia-mac-sdk-flutter-engine
Please CC  on the revert to ensure that a human
is aware of the problem.

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/+/master/autoroll/README.md

dart-lang/sdk@a4d799c402 Migrate corelib/ tests starting with b-d to NNBD.
dart-lang/sdk@18a9b29687 Add a repro for issue #39609
dart-lang/sdk@ec28bf1fd1 [analyzer] refactor the vm status section in the analyzer diagnostics page
dart-lang/sdk@bf69257c5f [dart:io] socket profiler in dart:io
dart-lang/sdk@1392d61c9b [infra] Modify 2.7.0 make_version hack so that it also works on other branches
dart-lang/sdk@4fe27fd444 Report an error when 'await' is used in the initializer of a late local variable.
dart-lang/sdk@6305276184 Remove deprecated 'byteStore' and 'fileContentOverlay' parameters.

https://skia.googlesource.com/skia.git/+log/e8c96d8e6116..2792515dab7c

git log e8c96d8e6116..2792515dab7c --date=short --first-parent --format='%ad %ae %s'
2019-11-28 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).

Created with:
  gclient setdep -r src/third_party/skia@2792515dab7c

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 bungeman@google.com on the revert to ensure that a human
is aware of the problem.

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/+/master/autoroll/README.md

Bug: None
Tbr: bungeman@google.com

dart-lang/sdk@e4344a568f Report INVALID_OPTIONAL_PARAMETER_TYPE when default values are not allowed.

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/fuchsia-mac-sdk-flutter-engine
Please CC  on the revert to ensure that a human
is aware of the problem.

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/+/master/autoroll/README.md

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/fuchsia-linux-sdk-flutter-engine
Please CC  on the revert to ensure that a human
is aware of the problem.

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/+/master/autoroll/README.md

dart-lang/sdk@3f32196958 Make LateInitialziationError abstract and uninstantiable.
dart-lang/sdk@5013ce6e5d [cfe] Use correct types and errors in late lowering
dart-lang/sdk@46a5f35da7 [infra] Bump VERSION to 2.8.0
dart-lang/sdk@97d6ac21d5 [CFE] Spell check on kernel src; presubmit on kernel & _fe_analyzer_shared
dart-lang/sdk@1454a67e09 [cfe] Don't use multiple null-aware guards in opt-out
dart-lang/sdk@12d9bedb33 [CFE] Let spell checker report all reported words at the end
dart-lang/sdk@88630cc235 Move real resolveConstructors from ClassBuilderImpl to SourceClassBuilder
dart-lang/sdk@05406716bd [infra] Add count of test result messages sent to Pub/Sub
dart-lang/sdk@c1d21c368a Move a few methods from ClassBuilderImpl to SourceClassBuilder
dart-lang/sdk@1c3468a646 [kernel] Remove Library.isExternal
dart-lang/sdk@3557973a75 Move 5 verifier classes out of resolver.dart, into their own libraries.
dart-lang/sdk@3de7487a2c Report an error for 'late final' fields in classes with const constructors.
dart-lang/sdk@59d3a2d143 Unify the names of two codes for documentation purposes
dart-lang/sdk@0a575d8681 Unify two diagnostics into instantiate_abstract_class
dart-lang/sdk@7707c2a84c Issue 39563. Expression body always exists.
dart-lang/sdk@c6326de855 Improve the highlight region for variable_type_mismatch diagnostic
dart-lang/sdk@f7549f6dd7 [cfe] Test suites runner: improve format of timing information
dart-lang/sdk@de36aa0f1a [dartfuzz] Temporarily disable Float32x4.reciprocal() and Float32x4.reciprocalSqrt()
dart-lang/sdk@59c41f21d6 [vm/compiler] Avoid dead global pool entries due to bailouts
dart-lang/sdk@63333deed6 [vm/cfe] Elaborate for-in statements during async transform
dart-lang/sdk@5b31b1e26d Improve the selection range when reporting that an invoked constructor is not marked as const
dart-lang/sdk@46c042a118 Improve a diagnostic message by unwrapping Future (issue 39561)
dart-lang/sdk@078806851c [vm] Use static type of captured variables.
dart-lang/sdk@47ce35faf8 [benchmark] Exclude large front end tests and fix tensorflow exclusion.
dart-lang/sdk@27bdabe02e [SDK] Stop injecting <async gap> when async hasn't yielded yet.
dart-lang/sdk@8023accf3f [vm/ffi] Fix source information in generated AST nodes - part 2
dart-lang/sdk@f9cedb6813 [vm/ffi] Fix source information in generated AST nodes
dart-lang/sdk@4d95ec1360 [vm] Enable multiple entry-points for unoptimized calls.
dart-lang/sdk@659b32ffc8 [cfe] Handle chained null shorting and null aware if-null set

dart-lang/sdk@077795b3e5 [co19] Add .gitignore to new co19 directory
dart-lang/sdk@8d874a5bd8 [cfe] Avoid cascading errors from part versioning mismatch
dart-lang/sdk@cd229de42b [cfe] Increase unit test suites time out to 15 minutes
dart-lang/sdk@4ba61bbbbc Fix exception in ML ranking (issue 39537)
dart-lang/sdk@1069289aeb [ package:vm_service ] Raise an RPCError exception instead of a String exception for in-flight requests that have been canceled via VmService.dispose
dart-lang/sdk@3204295ce1 [analyzer] send the plugin name with crash reports
dart-lang/sdk@507bdd583c Revert "[ VM / Service ] Add --object-id-ring-size to unblock UX studies for memory profiling"
dart-lang/sdk@98d1e99986 Relax UP for required named parameters.
dart-lang/sdk@764c07ec38 [vm] Fix late_modifier_final_field_test in AST mode
dart-lang/sdk@0bbcf079f3 Issue 39532. Support for question mark in typedef generic function type.
dart-lang/sdk@6f8fa3cbb3 Fix an NPE when using ml without available suggestions (issue 39535)
dart-lang/sdk@a17809ad18 [kernel] Add TypeEnvironment.forInElementType
dart-lang/sdk@ba222dac23 [vm] Fix late_modifier_non_final_field_test in AST mode
dart-lang/sdk@e56857fcce Stop using FeatureSet in TypeSystem.
dart-lang/sdk@eddfaff322 Issue 39509. Support for configurable imports in AnalysisDriver.

https://skia.googlesource.com/skia.git/+log/73beaaa48fcc..e8c96d8e6116

git log 73beaaa48fcc..e8c96d8e6116 --date=short --first-parent --format='%ad %ae %s'
2019-11-28 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/angle2 c373dfd84194..fc3ec57ddf27 (13 commits)
2019-11-28 skia-autoroll@skia-public.iam.gserviceaccount.com Roll ../src c493edcc78ba..43fc40aebfd8 (368 commits)
2019-11-28 herb@google.com Reland "Naive CPU large emoji"
2019-11-28 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 663dcefa22ea..d6e903bdc9ef (4 commits)

Created with:
  gclient setdep -r src/third_party/skia@e8c96d8e6116

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 bungeman@google.com on the revert to ensure that a human
is aware of the problem.

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/+/master/autoroll/README.md

Bug: None
Tbr: bungeman@google.com

https://skia.googlesource.com/skia.git/+log/c96f5108df28..73beaaa48fcc

git log c96f5108df28..73beaaa48fcc --date=short --first-parent --format='%ad %ae %s'
2019-11-27 benjaminwagner@google.com [infra] Upgrade Radeon driver
2019-11-27 benjaminwagner@google.com [infra] Update Win10 in Skolo

Created with:
  gclient setdep -r src/third_party/skia@73beaaa48fcc

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 bungeman@google.com on the revert to ensure that a human
is aware of the problem.

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/+/master/autoroll/README.md

Bug: None
Tbr: bungeman@google.com