Manual roll of Dart from 5ca1f32 to 551e405 (flutter#20758)

dart-lang/sdk@551e405d0b Version 2.10.0-57.0.dev
 dart-lang/sdk@ce494e7910 Add test for inference solving T? = dynamic.
 dart-lang/sdk@0e1d32f10c [fuchsia][time] Use C11 timespec APIs for UTC time
 dart-lang/sdk@08dd4b1faa Null-safe numbers: implement static typing rules, hook up for binary operators.
 dart-lang/sdk@9be24ce946 [benchmark] Import MD5/SHA1/SHA256/SkeletalAnimation/SkeletalAnimationSIMD benchmarks from benchmarks-internal
 dart-lang/sdk@675891ae0c Issue 43152. Use existing LineInfo in newDiagnosticMessage().
 dart-lang/sdk@e868d3076c Issue 43151. Fix crash when a field shadows a super-interface method.

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': '5ca1f32905272b891c87c1640167856fdcfbf0c2',
+  'dart_revision': '551e405d0b5d7c367cd8f2aeba2be10f03e65146',
 
   # 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

@@ -1,4 +1,4 @@
-Signature: ab76ce6d3ea560de10d3451aa8438b6a
+Signature: 8f2bb3254e69af1ec4d5371fa29ad12e
 
 UNUSED LICENSES:
 
@@ -8387,8 +8387,18 @@ ORIGIN: ../../../third_party/dart/benchmarks/ListCopy/dart/ListCopy.dart + ../..
 TYPE: LicenseType.bsd
 FILE: ../../../third_party/dart/benchmarks/ListCopy/dart/ListCopy.dart
 FILE: ../../../third_party/dart/benchmarks/ListCopy/dart2/ListCopy.dart
+FILE: ../../../third_party/dart/benchmarks/MD5/dart/md5.dart
+FILE: ../../../third_party/dart/benchmarks/MD5/dart2/md5.dart
 FILE: ../../../third_party/dart/benchmarks/RuntimeType/dart/RuntimeType.dart
 FILE: ../../../third_party/dart/benchmarks/RuntimeType/dart2/RuntimeType.dart
+FILE: ../../../third_party/dart/benchmarks/SHA1/dart/sha1.dart
+FILE: ../../../third_party/dart/benchmarks/SHA1/dart2/sha1.dart
+FILE: ../../../third_party/dart/benchmarks/SHA256/dart/sha256.dart
+FILE: ../../../third_party/dart/benchmarks/SHA256/dart2/sha256.dart
+FILE: ../../../third_party/dart/benchmarks/SkeletalAnimation/dart/SkeletalAnimation.dart
+FILE: ../../../third_party/dart/benchmarks/SkeletalAnimation/dart2/SkeletalAnimation.dart
+FILE: ../../../third_party/dart/benchmarks/SkeletalAnimationSIMD/dart/SkeletalAnimationSIMD.dart
+FILE: ../../../third_party/dart/benchmarks/SkeletalAnimationSIMD/dart2/SkeletalAnimationSIMD.dart
 FILE: ../../../third_party/dart/benchmarks/TypedDataDuplicate/dart/TypedDataDuplicate.dart
 FILE: ../../../third_party/dart/benchmarks/TypedDataDuplicate/dart2/TypedDataDuplicate.dart
 FILE: ../../../third_party/dart/benchmarks/Utf8Decode/dart/Utf8Decode.dart

lib/web_ui/lib/src/engine/pointer_binding.dart

@@ -261,8 +261,8 @@ mixin _WheelEventListenerMixin on _BaseAdapter {
       kind: ui.PointerDeviceKind.mouse,
       signalKind: ui.PointerSignalKind.scroll,
       device: _mouseDeviceId,
-      physicalX: event.client.x * ui.window.devicePixelRatio as double,
-      physicalY: event.client.y * ui.window.devicePixelRatio as double,
+      physicalX: event.client.x * ui.window.devicePixelRatio,
+      physicalY: event.client.y * ui.window.devicePixelRatio,
       buttons: event.buttons!,
       pressure: 1.0,
       pressureMin: 0.0,
@@ -526,8 +526,8 @@ class _PointerAdapter extends _BaseAdapter with _WheelEventListenerMixin {
       kind: kind,
       signalKind: ui.PointerSignalKind.none,
       device: device,
-      physicalX: event.client.x * ui.window.devicePixelRatio as double,
-      physicalY: event.client.y * ui.window.devicePixelRatio as double,
+      physicalX: event.client.x * ui.window.devicePixelRatio,
+      physicalY: event.client.y * ui.window.devicePixelRatio,
       buttons: details.buttons,
       pressure: event.pressure as double,
       pressureMin: 0.0,
@@ -689,8 +689,8 @@ class _TouchAdapter extends _BaseAdapter {
       kind: ui.PointerDeviceKind.touch,
       signalKind: ui.PointerSignalKind.none,
       device: touch.identifier!,
-      physicalX: touch.client.x * ui.window.devicePixelRatio as double,
-      physicalY: touch.client.y * ui.window.devicePixelRatio as double,
+      physicalX: touch.client.x * ui.window.devicePixelRatio,
+      physicalY: touch.client.y * ui.window.devicePixelRatio,
       buttons: pressed ? _kPrimaryMouseButton : 0,
       pressure: 1.0,
       pressureMin: 0.0,
@@ -798,8 +798,8 @@ class _MouseAdapter extends _BaseAdapter with _WheelEventListenerMixin {
       kind: ui.PointerDeviceKind.mouse,
       signalKind: ui.PointerSignalKind.none,
       device: _mouseDeviceId,
-      physicalX: event.client.x * ui.window.devicePixelRatio as double,
-      physicalY: event.client.y * ui.window.devicePixelRatio as double,
+      physicalX: event.client.x * ui.window.devicePixelRatio,
+      physicalY: event.client.y * ui.window.devicePixelRatio,
       buttons: details.buttons,
       pressure: 1.0,
       pressureMin: 0.0,

lib/web_ui/lib/src/engine/semantics/semantics_helper.dart

@@ -341,11 +341,11 @@ class MobileSemanticsEnabler extends SemanticsEnabler {
       final html.Rectangle<num> activatingElementRect =
           domRenderer.glassPaneElement!.getBoundingClientRect();
       final double midX = activatingElementRect.left +
-          (activatingElementRect.right - activatingElementRect.left) / 2 as double;
+          (activatingElementRect.right - activatingElementRect.left) / 2;
       final double midY = activatingElementRect.top +
-          (activatingElementRect.bottom - activatingElementRect.top) / 2 as double;
-      final double deltaX = activationPoint.x - midX as double;
-      final double deltaY = activationPoint.y - midY as double;
+          (activatingElementRect.bottom - activatingElementRect.top) / 2;
+      final double deltaX = activationPoint.x - midX;
+      final double deltaY = activationPoint.y - midY;
       final double deltaSquared = deltaX * deltaX + deltaY * deltaY;
       if (deltaSquared < 1.0) {
         safariEnableConditionPassed = true;

lib/web_ui/lib/src/engine/text/measurement.dart

@@ -687,7 +687,7 @@ double _measureSubstring(
   final String sub =
       start == 0 && end == text.length ? text : text.substring(start, end);
   final double width = _canvasContext.measureText(sub).width! +
-      letterSpacing * sub.length as double;
+      letterSpacing * sub.length;
 
   // What we are doing here is we are rounding to the nearest 2nd decimal
   // point. So 39.999423 becomes 40, and 11.243982 becomes 11.24.

lib/web_ui/lib/src/engine/text/ruler.dart

@@ -794,9 +794,9 @@ class ParagraphRuler {
       }
 
       boxes.add(ui.TextBox.fromLTRBD(
-        rect.left + alignOffset as double,
+        rect.left + alignOffset,
         rect.top as double,
-        rect.right + alignOffset as double,
+        rect.right + alignOffset,
         rect.bottom as double,
         textDirection,
       ));

lib/web_ui/lib/src/engine/window.dart

@@ -73,8 +73,8 @@ class EngineWindow extends ui.Window {
       double windowInnerHeight;
       final html.VisualViewport? viewport = html.window.visualViewport;
       if (viewport != null) {
-        windowInnerWidth = viewport.width! * devicePixelRatio as double;
-        windowInnerHeight = viewport.height! * devicePixelRatio as double;
+        windowInnerWidth = viewport.width! * devicePixelRatio;
+        windowInnerHeight = viewport.height! * devicePixelRatio;
       } else {
         windowInnerWidth = html.window.innerWidth! * devicePixelRatio;
         windowInnerHeight = html.window.innerHeight! * devicePixelRatio;
@@ -90,7 +90,7 @@ class EngineWindow extends ui.Window {
     double windowInnerHeight;
     final html.VisualViewport? viewport = html.window.visualViewport;
     if (viewport != null) {
-      windowInnerHeight = viewport.height! * devicePixelRatio as double;
+      windowInnerHeight = viewport.height! * devicePixelRatio;
     } else {
       windowInnerHeight = html.window.innerHeight! * devicePixelRatio;
     }
@@ -117,8 +117,8 @@ class EngineWindow extends ui.Window {
     double height = 0;
     double width = 0;
     if (html.window.visualViewport != null) {
-      height = html.window.visualViewport!.height! * devicePixelRatio as double;
-      width = html.window.visualViewport!.width! * devicePixelRatio as double;
+      height = html.window.visualViewport!.height! * devicePixelRatio;
+      width = html.window.visualViewport!.width! * devicePixelRatio;
     } else {
       height = html.window.innerHeight! * devicePixelRatio;
       width = html.window.innerWidth! * devicePixelRatio;

lib/web_ui/lib/src/ui/lerp.dart

@@ -11,7 +11,7 @@ double? lerpDouble(num? a, num? b, double t) {
   }
   a ??= 0.0;
   b ??= 0.0;
-  return a + (b - a) * t as double;
+  return a + (b - a) * t;
 }
 
 double _lerpDouble(double a, double b, double t) {