Roll Dart SDK from 4f8c8c476916 to 1ce6b4d54247 (1 revision) (#53427)

https://dart.googlesource.com/sdk.git/+log/4f8c8c476916..1ce6b4d54247

2024-06-17 [email protected] Version 3.5.0-270.0.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 [email protected],[email protected] 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://issues.skia.org/issues/new?component=1389291&template=1850622

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

Author: skia-flutter-autoroll

DEPS

@@ -56,7 +56,7 @@ 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': '4f8c8c476916133a21f53a6ed1b7229e65ccc41f',
+  'dart_revision': '1ce6b4d5424720272fc2919932544205449a96bd',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
@@ -479,7 +479,7 @@ deps = {
    Var('dart_git') + '/string_scanner.git@7b37c1b3d1ca6b581792e6ba385f651573af4a45',
 
   'src/flutter/third_party/dart/third_party/pkg/tar':
-   Var('dart_git') + '/external/github.com/simolus3/tar.git@b62573f39a4de28f69d9ed82b02fbd96b12b9633',
+   Var('dart_git') + '/external/github.com/simolus3/tar.git@552a49d7595e444184d4f91e9afd533aa253a31d',
 
   'src/flutter/third_party/dart/third_party/pkg/term_glyph':
    Var('dart_git') + '/term_glyph.git@c86e8171ee7e9f6fc8e775e0be755a603dd0b72d',

ci/licenses_golden/licenses_dart

@@ -1,4 +1,4 @@
-Signature: ea54227972b85cfb089777f6ea5cfdb7
+Signature: fe9c7ad333b709c0bee5e86ed402b9e1
 
 ====================================================================================================
 LIBRARY: dart
@@ -4749,7 +4749,7 @@ Exhibit B - "Incompatible With Secondary Licenses" Notice
   This Source Code Form is "Incompatible With Secondary Licenses", as
   defined by the Mozilla Public License, v. 2.0.
 
-You may obtain a copy of this library's Source Code Form from: https://dart.googlesource.com/sdk/+/f009db7ba7640d361083cfe6de78cbf8306bccbf
+You may obtain a copy of this library's Source Code Form from: https://dart.googlesource.com/sdk/+/1ce6b4d5424720272fc2919932544205449a96bd
 /third_party/fallback_root_certificates/
 
 ====================================================================================================

sky/packages/sky_engine/LICENSE

@@ -31865,7 +31865,7 @@ Exhibit B - "Incompatible With Secondary Licenses" Notice
   This Source Code Form is "Incompatible With Secondary Licenses", as
   defined by the Mozilla Public License, v. 2.0.
 
-You may obtain a copy of this library's Source Code Form from: https://dart.googlesource.com/sdk/+/4f8c8c476916133a21f53a6ed1b7229e65ccc41f
+You may obtain a copy of this library's Source Code Form from: https://dart.googlesource.com/sdk/+/1ce6b4d5424720272fc2919932544205449a96bd
 /third_party/fallback_root_certificates/
 
 --------------------------------------------------------------------------------