Roll Dart SDK from 6bde93a6e56f to 4ddff752a6b0 (1 revision)

https://dart.googlesource.com/sdk.git/+log/6bde93a6e56f..4ddff752a6b0

2023-09-22 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com Version 3.2.0-190.0.dev

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

To file a bug in Flutter Engine: 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

DEPS

@@ -57,7 +57,7 @@ vars = {
   # Dart is: https://github.com/dart-lang/sdk/blob/main/DEPS
   # You can use //tools/dart/create_updated_flutter_deps.py to produce
   # updated revision list of existing dependencies.
-  'dart_revision': '6bde93a6e56fb58e7f9b52a7eadf69eee6a1e684',
+  'dart_revision': '4ddff752a6b0d986ca3f14363f3acce8f319fcae',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
@@ -471,9 +471,6 @@ deps = {
   'src/third_party/dart/third_party/pkg/string_scanner':
    Var('dart_git') + '/string_scanner.git@da9142cf9809e7e1364144b8193ec60d87f0a4b8',
 
-  'src/third_party/dart/third_party/pkg/tar':
-   Var('dart_git') + '/external/github.com/simolus3/tar.git@3c68cba8e51c569428222b9185469249206172c6',
-
   'src/third_party/dart/third_party/pkg/term_glyph':
    Var('dart_git') + '/term_glyph.git@1b28285a7e818b8e87c4d2119d968c5b36d73c7a',