Roll src/third_party/dart 9450c6d829..40bab34fbd (8 commits)

40bab34fbd Fix Stopwatch timers to not overflow on intermediate computations.
edcaa05375 Support @pragma('dart2js:noElision') on non-internal methods
dc8a56bc0e Rename set literal tests to end in _test
f484e1b05e Call canParse() for all LSP requests before passing to handlers
0e54ce3b2d Fix a canParse method that would overflow the stack
8fb52650e5 Ensure LSP canParse type-checks optional values
26d91cf4b6 If LSP initialize fails in tests, throw
d1876531f2 Fix LSP canParse to allow nulls where the spec allows

DEPS

@@ -31,7 +31,7 @@ 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': '9450c6d829a91b055982eec3eb4d7f83d8686a11',
+  'dart_revision': '40bab34fbd08673b469b86c01f211cd0b6e805c5',
 
   # 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

-Signature: efafbbb1222897f979c2a4a6115ad024
+Signature: ab41a143da5b7fb2e46b9b9df48ae3cb
 
 UNUSED LICENSES: