Roll src/third_party/dart 8413a0d..8ba6f7e (39 commits) (#12981)

dart-lang/sdk@8ba6f7e2eb Migration: add support for assignment expressions to FixBuilder.
dart-lang/sdk@6364c599b6 Migration: substitute properly when handling compound assignments.
dart-lang/sdk@0eff6b38a9 Revert "[vm/ffi] Optimize Pointer operations for statically known types"
dart-lang/sdk@db352304ec [vm] Test AOT on Android with the 64->32 bit cross-compiler.
dart-lang/sdk@785ae930d3 [gardening] Fix NNDB flag use for Flutter HHH build.
dart-lang/sdk@2a8ce5be5a Clarify error message for instantiating abstract classes
dart-lang/sdk@3712ed27ef [vm/ffi] Optimize Pointer operations for statically known types
dart-lang/sdk@ebc0a88154 Error for assert initializer in redirecting constructor; fixes #37867
dart-lang/sdk@3e3406d20e [sdk] remove the dart:_chrome package
dart-lang/sdk@9d55bb6ba7 [vm/ffi] Fix incorrect use of host word size in FFI instructions.
dart-lang/sdk@c77c2728dd [vm,aot,bytecode] Handle inferred-type metadata when generating bytecode
dart-lang/sdk@59e00e69be [vm,bytecode] Fix canonicalization of type arguments of recursive types
dart-lang/sdk@4f309f04e7 Get more information when AstBuilder throws an exception
dart-lang/sdk@2c674e9ba9 Consider MultiplyDefinedElement as null for summary serialization.
dart-lang/sdk@b1db66306b [dart2js] New RTI: Use precomputed1 to access first type argument of interface types.
dart-lang/sdk@0122901227 [dart2js] New RTI: Replace $ti._eval$1("1") with $ti._rest[0].
dart-lang/sdk@9461df2084 Language tests for variance modifiers.
dart-lang/sdk@418b646749 [vm/debugger] not pausing exceptions on implicit throw
dart-lang/sdk@36e4d5e3c2 Reland "[dartdevc] cleaning up unused web files"
dart-lang/sdk@38f78c01f3 [ dart:developer ] Updated parentId argument for timeline events to use base64 to be consistent with async ID formatting
dart-lang/sdk@69b612beec diagnostic ref fix for fall-through types
dart-lang/sdk@8e2649b357 Revert https://dart-review.googlesource.com/c/sdk/+/117681.
dart-lang/sdk@143aa4bdb4 [vm/fuzzer] don't print oom on oom
dart-lang/sdk@65b9109255 [vm/fuzzer] avoid codedup in fuzzer
dart-lang/sdk@a8cce358d9 Add an edge origin for edges resulting from default values of optional parameters
dart-lang/sdk@73d880b949 [analyzer] add a quick fix for the prefer_relative_imports lint
dart-lang/sdk@6955247cac [dart2js] new-rti: forward allocated list types
dart-lang/sdk@a447dbc498 [nnbd_migration] fix hard edges on ??= assignments
dart-lang/sdk@836d9bf168 Reapply "[vm, bytecode] Fix missing dependencies in --snapshot-deps output."
dart-lang/sdk@9271895f56 Remove an accidentally committed soloTest annotation (TBR)
dart-lang/sdk@f2d1e145dc [sdk] remove some metadata references to dart:profiler
dart-lang/sdk@c3053f0eb2 [nnbd_migration] Restrict downcasts; make all type parameters nullable.
dart-lang/sdk@7486512634 Update CFE expectations for extension method tests.
dart-lang/sdk@2ca8125d7a bump to linter 0.1.100
dart-lang/sdk@80f683417b when fixing missing diagnostic refs, add debugFillProperties method if undefined
dart-lang/sdk@04910d62f5 Include the deprecation message in diagnostics (issue 38667)
dart-lang/sdk@3cdfd90481 Revert "Deprecate TypeParameterTypeImpl.getTypes()"
dart-lang/sdk@aa0bd58926 Deprecate TypeParameterTypeImpl.getTypes()
dart-lang/sdk@42a1ba7e14 Improve the messages from the migration tooling

Author: bkonyi

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': '8413a0db0d13c66647c07b3a014a9812b79492ad',
+  'dart_revision': '8ba6f7e2eb8ac44b6de3e87a3062d1c8e34b6cc1',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
@@ -62,7 +62,7 @@ vars = {
   'dart_http_throttle_tag': '1.0.2',
   'dart_intl_tag': '0.15.7',
   'dart_json_rpc_2_tag': '2.0.9',
-  'dart_linter_tag': '0.1.99',
+  'dart_linter_tag': '0.1.100',
   'dart_logging_tag': '0.11.3+2',
   'dart_markdown_tag': '2.1.1',
   'dart_matcher_tag': '0.12.3',

ci/licenses_golden/licenses_third_party

@@ -1,4 +1,4 @@
-Signature: 892c1b3c90bcb828a207255b570ee16f
+Signature: 9e4fdea30431010b0dfde41795f7b5c9
 
 UNUSED LICENSES:
 
@@ -9324,7 +9324,6 @@ FILE: ../../../third_party/dart/runtime/vm/thread_interrupter_android.cc
 FILE: ../../../third_party/dart/runtime/vm/thread_interrupter_linux.cc
 FILE: ../../../third_party/dart/runtime/vm/thread_interrupter_macos.cc
 FILE: ../../../third_party/dart/runtime/vm/thread_interrupter_win.cc
-FILE: ../../../third_party/dart/sdk/lib/_chrome/dart2js/chrome_dart2js.dart
 FILE: ../../../third_party/dart/sdk/lib/_http/http.dart
 FILE: ../../../third_party/dart/sdk/lib/_http/http_headers.dart
 FILE: ../../../third_party/dart/sdk/lib/_http/http_impl.dart
@@ -9431,7 +9430,6 @@ FILE: ../../../third_party/dart/sdk/lib/vmservice/message_router.dart
 FILE: ../../../third_party/dart/sdk/lib/vmservice/running_isolate.dart
 FILE: ../../../third_party/dart/sdk/lib/vmservice/running_isolates.dart
 FILE: ../../../third_party/dart/sdk/lib/web_gl/dart2js/web_gl_dart2js.dart
-FILE: ../../../third_party/dart/sdk_nnbd/lib/_chrome/dart2js/chrome_dart2js.dart
 FILE: ../../../third_party/dart/sdk_nnbd/lib/_http/http.dart
 FILE: ../../../third_party/dart/sdk_nnbd/lib/_http/http_headers.dart
 FILE: ../../../third_party/dart/sdk_nnbd/lib/_http/http_impl.dart