Roll Dart SDK from a959c7def805 to ad26f4885bf4 (1 revision) (#51631)

https://dart.googlesource.com/sdk.git/+log/a959c7def805..ad26f4885bf4

2024-03-22 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com Version 3.4.0-262.0.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://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

@@ -62,7 +62,7 @@ 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': 'a959c7def80522c2e9b2c37c379a93c3b60c1a29',
+  'dart_revision': 'ad26f4885bf4a956776d12ae1abfc174a45f1599',
 
   # 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_dart

@@ -1,4 +1,4 @@
-Signature: 50f2f247d458d91270e08266d1cc495a
+Signature: 53f64c6d7ac83ab21ca217605f68a16d
 
 ====================================================================================================
 LIBRARY: dart
@@ -4737,7 +4737,7 @@ 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/+/a959c7def80522c2e9b2c37c379a93c3b60c1a29
+You may obtain a copy of this library's Source Code Form from: https://dart.googlesource.com/sdk/+/ad26f4885bf4a956776d12ae1abfc174a45f1599
 /third_party/fallback_root_certificates/
 
 ====================================================================================================

sky/packages/sky_engine/LICENSE

@@ -31735,7 +31735,7 @@ 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/+/a959c7def80522c2e9b2c37c379a93c3b60c1a29
+You may obtain a copy of this library's Source Code Form from: https://dart.googlesource.com/sdk/+/ad26f4885bf4a956776d12ae1abfc174a45f1599
 /third_party/fallback_root_certificates/
 
 --------------------------------------------------------------------------------