Roll src/third_party/dart 05e70d5b38cb..2f57602411b3 (44 commits) (#15100)

https://dart.googlesource.com/sdk.git/+log/05e70d5b38cb..2f57602411b3

git log 05e70d5b38cb..2f57602411b3 --date=short --first-parent --format='%ad %ae %s'
2020-01-02 nshahan@google.com [dartdevc] Update is, as, and _check methods for null safety
2020-01-02 markzipan@google.com [dartdevc] Removing nullability wrappers from const __proto__ fields.
2020-01-02 pquitslund@google.com Validate incompatible lint rules
2020-01-02 mfairhurst@google.com [nnbd_migration] Fix return Bottom from async function.
2020-01-02 rmacnak@google.com [vm, service] Account for image pages in the capacity reported by heap snapshots.
2020-01-02 mfairhurst@google.com [nnbd_migration] handle enum `values` getter
2020-01-02 scheglov@google.com Extract individual assists / fixes into separate classes.
2020-01-02 bkonyi@google.com [ package:vm_service ] Fix issue where `TimelineEvent.toJson` always returned an empty map
2020-01-02 nbosch@google.com Enforce that `allowInterop` is used in DDC
2020-01-02 scheglov@google.com Report unchecked nullable for explicit / implicit 'this' in extensions.
2020-01-02 scheglov@google.com Use NullableDereferenceVerifier in ErrorVerifier.
2020-01-02 scheglov@google.com Remove BUILT_IN_IDENTIFIER_AS_TYPE error code for 'addAsync' quick fix.
2020-01-02 alexmarkov@google.com [vm/compiler] Remove PushArguments from ThrowInstr, ReThrowInstr
2020-01-02 alexmarkov@google.com [vm/compiler] Refactor PolymorphicInstanceCallInstr
2020-01-02 scheglov@google.com Remove ResolutionTest.assertErrorsWithCodes().
2020-01-02 danny@tuppeny.com Don't statically register LSP capabilities that will be dynamically registered
2020-01-02 jcollins@google.com Add --migrate-dependencies hidden option for dartfix.
2020-01-02 danny@tuppeny.com Unskip LSP integration tests that were skipped for being flaky
2020-01-02 pquitslund@google.com Add deprecated member messages
2020-01-02 scheglov@google.com Remove assertTestErrorsWithCodes() and assertNoTestErrors().
2020-01-02 kustermann@google.com [vm/nnbd] First start on migrating VM patch files for NNBD
2020-01-02 dacoharkes@google.com [vm] Fix IntConverter canonicalization
2020-01-02 scheglov@google.com Use ErrorReporter in TypeNameResolver.
2020-01-02 scheglov@google.com Simplify 'void' resolution in TypeNameResolver.
2020-01-02 brianwilkerson@google.com Disable a lint in the LSP generated code and re-run the generator
2020-01-02 brianwilkerson@google.com Enable avoid_return_types_on_setters in analysis_server_client
2020-01-02 pquitslund@google.com Remove unnecessary `const` modifiers
2020-01-01 scheglov@google.com Extract error reporting from TypeNameResolver.
2020-01-01 brianwilkerson@google.com Enable annotate_overrides in several packages
2020-01-01 brianwilkerson@google.com Minor cleanup of DartFixInfo
2020-01-01 brianwilkerson@google.com Improve the fix for avoid_init_to_null to match the lint
2020-01-01 scheglov@google.com Deprecate assertNoTestErrors() and replace with assertNoErrorsInCode().
2020-01-01 scheglov@google.com Stop using Identifier in several Scope.lookup() methods.
2020-01-01 scheglov@google.com Add Element.getDisplayString(withNullability), use it in analyzer.
2020-01-01 scheglov@google.com Deprecate 'ErrorReporter.source' setter.
2019-12-31 scheglov@google.com Use WRONG_NUMBER_OF_TYPE_ARGUMENTS instead of two other equivalent error codes.
2019-12-31 scheglov@google.com Tweaks for DuplicateDefinitionVerifier.
2019-12-31 scheglov@google.com Simplify getNullability(hasQuestion).
2019-12-31 scheglov@google.com Remove almost all uses of assertTestErrorsWithCodes().
2019-12-31 scheglov@google.com Update TypedLiteralResolver.computeElementType()
2019-12-31 scheglov@google.com TypeNameResolver refactoring - extract Element instantiation.
2019-12-31 scheglov@google.com Remove unnecessary methods to record errors or tokens and nodes.
2019-12-31 scheglov@google.com Remove 'isNonNullableByDefault' from TypeSystem.inferGenericFunctionOrType
2019-12-30 scheglov@google.com Use DartType.isDartCoreList in analysis_server.

Created with:
  gclient setdep -r src/third_party/dart@2f57602411b3

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/dart-sdk-flutter-engine
Please CC dart-vm-team@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: dart-vm-team@google.com

Author: skia-flutter-autoroll

DEPS

@@ -34,7 +34,7 @@ vars = {
   # Dart is: https://github.com/dart-lang/sdk/blob/master/DEPS.
   # You can use //tools/dart/create_updated_flutter_deps.py to produce
   # updated revision list of existing dependencies.
-  'dart_revision': '05e70d5b38cb1b4e005129a18002fb82ee289524',
+  'dart_revision': '2f57602411b3b05fd2775cd3b63f94d2c6b37698',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py

ci/licenses_golden/licenses_third_party

@@ -1,4 +1,4 @@
-Signature: a23e05dee944ceaf341ddc8395792001
+Signature: 4805db800b859f69834665d3e1ffd9bc
 
 UNUSED LICENSES: