Reland "Remove references to BindingBase.window (#122119 & #122341)" (#122412)

Reland "Remove references to BindingBase.window (#122119 & #122341)"

dev/benchmarks/microbenchmarks/lib/stocks/layout_bench.dart

@@ -33,11 +33,11 @@ Future<void> main() async {
 
     final TestViewConfiguration big = TestViewConfiguration.fromView(
       size: const Size(360.0, 640.0),
-      view: RendererBinding.instance.window,
+      view: tester.view,
     );
     final TestViewConfiguration small = TestViewConfiguration.fromView(
       size: const Size(355.0, 635.0),
-      view: RendererBinding.instance.window,
+      view: tester.view,
     );
     final RenderView renderView = WidgetsBinding.instance.renderView;
     binding.framePolicy = LiveTestWidgetsFlutterBindingFramePolicy.benchmark;

dev/benchmarks/test_apps/stocks/test/icon_color_test.dart

@@ -58,8 +58,8 @@ void main() {
     expect(find.text('Account Balance'), findsNothing);
 
     // drag the drawer out
-    final Offset left = Offset(0.0, (WidgetsBinding.instance.window.physicalSize / WidgetsBinding.instance.window.devicePixelRatio).height / 2.0);
-    final Offset right = Offset((WidgetsBinding.instance.window.physicalSize / WidgetsBinding.instance.window.devicePixelRatio).width, left.dy);
+    final Offset left = Offset(0.0, (tester.view.physicalSize / tester.view.devicePixelRatio).height / 2.0);
+    final Offset right = Offset((tester.view.physicalSize / tester.view.devicePixelRatio).width, left.dy);
     final TestGesture gesture = await tester.startGesture(left);
     await tester.pump();
     await gesture.moveTo(right);

packages/flutter/test/cupertino/route_test.dart

@@ -1702,6 +1702,7 @@ void main() {
     ];
     await tester.pumpWidget(
       buildNavigator(
+        view: tester.view,
         pages: myPages,
         onPopPage: (Route<dynamic> route, dynamic result) {
           assert(false); // The test shouldn't call this.
@@ -1728,6 +1729,7 @@ void main() {
 
     await tester.pumpWidget(
       buildNavigator(
+        view: tester.view,
         pages: myPages,
         onPopPage: (Route<dynamic> route, dynamic result) {
           assert(false); // The test shouldn't call this.
@@ -1756,6 +1758,7 @@ void main() {
     ];
     await tester.pumpWidget(
       buildNavigator(
+        view: tester.view,
         pages: myPages,
         onPopPage: (Route<dynamic> route, dynamic result) {
           assert(false); // The test shouldn't call this.
@@ -1777,6 +1780,7 @@ void main() {
 
     await tester.pumpWidget(
       buildNavigator(
+        view: tester.view,
         pages: myPages,
         onPopPage: (Route<dynamic> route, dynamic result) {
           assert(false); // The test shouldn't call this.
@@ -2213,12 +2217,13 @@ class TransitionDetector extends DefaultTransitionDelegate<void> {
 
 Widget buildNavigator({
   required List<Page<dynamic>> pages,
+  required FlutterView view,
   PopPageCallback? onPopPage,
   GlobalKey<NavigatorState>? key,
   TransitionDelegate<dynamic>? transitionDelegate,
 }) {
   return MediaQuery(
-    data: MediaQueryData.fromView(WidgetsBinding.instance.window),
+    data: MediaQueryData.fromView(view),
     child: Localizations(
       locale: const Locale('en', 'US'),
       delegates: const <LocalizationsDelegate<dynamic>>[

packages/flutter/test/gestures/gesture_binding_resample_event_on_widget_test.dart

@@ -101,7 +101,7 @@ void main() {
     expect(events.length, 1);
     expect(events[0], isA<PointerDownEvent>());
     expect(events[0].timeStamp, currentTestFrameTime() + kSamplingOffset);
-    expect(events[0].position, Offset(7.5 / GestureBinding.instance.window.devicePixelRatio, 0.0));
+    expect(events[0].position, Offset(7.5 / tester.view.devicePixelRatio, 0.0));
 
     // Now the system time is epoch + 20ms
     requestFrame();
@@ -109,8 +109,8 @@ void main() {
     expect(events.length, 2);
     expect(events[1].timeStamp, currentTestFrameTime() + kSamplingOffset);
     expect(events[1], isA<PointerMoveEvent>());
-    expect(events[1].position, Offset(22.5 / GestureBinding.instance.window.devicePixelRatio, 0.0));
-    expect(events[1].delta, Offset(15.0 / GestureBinding.instance.window.devicePixelRatio, 0.0));
+    expect(events[1].position, Offset(22.5 / tester.view.devicePixelRatio, 0.0));
+    expect(events[1].delta, Offset(15.0 / tester.view.devicePixelRatio, 0.0));
 
     // Now the system time is epoch + 30ms
     requestFrame();
@@ -118,8 +118,8 @@ void main() {
     expect(events.length, 4);
     expect(events[2].timeStamp, currentTestFrameTime() + kSamplingOffset);
     expect(events[2], isA<PointerMoveEvent>());
-    expect(events[2].position, Offset(37.5 / GestureBinding.instance.window.devicePixelRatio, 0.0));
-    expect(events[2].delta, Offset(15.0 / GestureBinding.instance.window.devicePixelRatio, 0.0));
+    expect(events[2].position, Offset(37.5 / tester.view.devicePixelRatio, 0.0));
+    expect(events[2].delta, Offset(15.0 / tester.view.devicePixelRatio, 0.0));
     expect(events[3].timeStamp, currentTestFrameTime() + kSamplingOffset);
     expect(events[3], isA<PointerUpEvent>());
   });

packages/flutter/test/gestures/gesture_binding_test.dart

@@ -162,6 +162,8 @@ void main() {
     expect(events[1], isA<PointerCancelEvent>());
   });
 
+  const double devicePixelRatio = 2.5;
+
   test('Can expand add and hover pointers', () {
     const ui.PointerDataPacket packet = ui.PointerDataPacket(
       data: <ui.PointerData>[
@@ -173,7 +175,7 @@ void main() {
       ],
     );
 
-    final List<PointerEvent> events = PointerEventConverter.expand(packet.data, GestureBinding.instance.window.devicePixelRatio).toList();
+    final List<PointerEvent> events = PointerEventConverter.expand(packet.data, devicePixelRatio).toList();
 
     expect(events.length, 5);
     expect(events[0], isA<PointerAddedEvent>());
@@ -189,7 +191,7 @@ void main() {
         ui.PointerData(change: ui.PointerChange.add, device: 24),
       ],
     );
-    List<PointerEvent> events = PointerEventConverter.expand(packet.data, GestureBinding.instance.window.devicePixelRatio).toList();
+    List<PointerEvent> events = PointerEventConverter.expand(packet.data, devicePixelRatio).toList();
 
     expect(events.length, 1);
     expect(events[0], isA<PointerAddedEvent>());
@@ -205,7 +207,7 @@ void main() {
         ui.PointerData(signalKind: ui.PointerSignalKind.scroll, device: 24, scrollDeltaY: double.negativeInfinity, scrollDeltaX: 10),
       ],
     );
-    events = PointerEventConverter.expand(packet.data, GestureBinding.instance.window.devicePixelRatio).toList();
+    events = PointerEventConverter.expand(packet.data, devicePixelRatio).toList();
     expect(events.length, 0);
 
     // Send packet with a valid scroll event.
@@ -215,7 +217,7 @@ void main() {
       ],
     );
     // Make sure PointerEventConverter can expand when device pixel ratio is valid.
-    events = PointerEventConverter.expand(packet.data, GestureBinding.instance.window.devicePixelRatio).toList();
+    events = PointerEventConverter.expand(packet.data, devicePixelRatio).toList();
     expect(events.length, 1);
     expect(events[0], isA<PointerScrollEvent>());
 
@@ -232,7 +234,7 @@ void main() {
         ],
     );
 
-    final List<PointerEvent> events = PointerEventConverter.expand(packet.data, GestureBinding.instance.window.devicePixelRatio).toList();
+    final List<PointerEvent> events = PointerEventConverter.expand(packet.data, devicePixelRatio).toList();
 
     expect(events.length, 2);
     expect(events[0], isA<PointerAddedEvent>());
@@ -240,7 +242,7 @@ void main() {
   });
 
   test('Should synthesize kPrimaryButton for touch when no button is set', () {
-    final Offset location = const Offset(10.0, 10.0) * GestureBinding.instance.window.devicePixelRatio;
+    final Offset location = const Offset(10.0, 10.0) * devicePixelRatio;
     final ui.PointerDataPacket packet = ui.PointerDataPacket(
       data: <ui.PointerData>[
         ui.PointerData(change: ui.PointerChange.add, physicalX: location.dx, physicalY: location.dy),
@@ -251,7 +253,7 @@ void main() {
       ],
     );
 
-    final List<PointerEvent> events = PointerEventConverter.expand(packet.data, GestureBinding.instance.window.devicePixelRatio).toList();
+    final List<PointerEvent> events = PointerEventConverter.expand(packet.data, devicePixelRatio).toList();
 
     expect(events.length, 5);
     expect(events[0], isA<PointerAddedEvent>());
@@ -267,7 +269,7 @@ void main() {
   });
 
   test('Should not synthesize kPrimaryButton for touch when a button is set', () {
-    final Offset location = const Offset(10.0, 10.0) * GestureBinding.instance.window.devicePixelRatio;
+    final Offset location = const Offset(10.0, 10.0) * devicePixelRatio;
     final ui.PointerDataPacket packet = ui.PointerDataPacket(
       data: <ui.PointerData>[
         ui.PointerData(change: ui.PointerChange.add, physicalX: location.dx, physicalY: location.dy),
@@ -278,7 +280,7 @@ void main() {
       ],
     );
 
-    final List<PointerEvent> events = PointerEventConverter.expand(packet.data, GestureBinding.instance.window.devicePixelRatio).toList();
+    final List<PointerEvent> events = PointerEventConverter.expand(packet.data, devicePixelRatio).toList();
 
     expect(events.length, 5);
     expect(events[0], isA<PointerAddedEvent>());
@@ -294,7 +296,7 @@ void main() {
   });
 
   test('Should synthesize kPrimaryButton for stylus when no button is set', () {
-    final Offset location = const Offset(10.0, 10.0) * GestureBinding.instance.window.devicePixelRatio;
+    final Offset location = const Offset(10.0, 10.0) * devicePixelRatio;
     for (final PointerDeviceKind kind in <PointerDeviceKind>[
       PointerDeviceKind.stylus,
       PointerDeviceKind.invertedStylus,
@@ -310,7 +312,7 @@ void main() {
         ],
       );
 
-      final List<PointerEvent> events = PointerEventConverter.expand(packet.data, GestureBinding.instance.window.devicePixelRatio).toList();
+      final List<PointerEvent> events = PointerEventConverter.expand(packet.data, devicePixelRatio).toList();
 
       expect(events.length, 5);
       expect(events[0], isA<PointerAddedEvent>());
@@ -327,7 +329,7 @@ void main() {
   });
 
   test('Should synthesize kPrimaryButton for unknown devices when no button is set', () {
-    final Offset location = const Offset(10.0, 10.0) * GestureBinding.instance.window.devicePixelRatio;
+    final Offset location = const Offset(10.0, 10.0) * devicePixelRatio;
     const PointerDeviceKind kind = PointerDeviceKind.unknown;
     final ui.PointerDataPacket packet = ui.PointerDataPacket(
       data: <ui.PointerData>[
@@ -339,7 +341,7 @@ void main() {
       ],
     );
 
-    final List<PointerEvent> events = PointerEventConverter.expand(packet.data, GestureBinding.instance.window.devicePixelRatio).toList();
+    final List<PointerEvent> events = PointerEventConverter.expand(packet.data, devicePixelRatio).toList();
 
     expect(events.length, 5);
     expect(events[0], isA<PointerAddedEvent>());
@@ -355,7 +357,7 @@ void main() {
   });
 
   test('Should not synthesize kPrimaryButton for mouse', () {
-    final Offset location = const Offset(10.0, 10.0) * GestureBinding.instance.window.devicePixelRatio;
+    final Offset location = const Offset(10.0, 10.0) * devicePixelRatio;
     for (final PointerDeviceKind kind in <PointerDeviceKind>[
       PointerDeviceKind.mouse,
     ]) {
@@ -369,7 +371,7 @@ void main() {
         ],
       );
 
-      final List<PointerEvent> events = PointerEventConverter.expand(packet.data, GestureBinding.instance.window.devicePixelRatio).toList();
+      final List<PointerEvent> events = PointerEventConverter.expand(packet.data, devicePixelRatio).toList();
 
       expect(events.length, 5);
       expect(events[0], isA<PointerAddedEvent>());

packages/flutter/test/material/page_test.dart

@@ -1042,6 +1042,7 @@ void main() {
     ];
     await tester.pumpWidget(
       buildNavigator(
+        view: tester.view,
         pages: myPages,
         onPopPage: (Route<dynamic> route, dynamic result) {
           assert(false); // The test should never execute this.
@@ -1060,6 +1061,7 @@ void main() {
 
     await tester.pumpWidget(
       buildNavigator(
+        view: tester.view,
         pages: myPages,
         onPopPage: (Route<dynamic> route, dynamic result) {
           assert(false); // The test should never execute this.
@@ -1085,6 +1087,7 @@ void main() {
     ];
     await tester.pumpWidget(
       buildNavigator(
+        view: tester.view,
         pages: myPages,
         onPopPage: (Route<dynamic> route, dynamic result) {
           assert(false); // The test should never execute this.
@@ -1106,6 +1109,7 @@ void main() {
 
     await tester.pumpWidget(
       buildNavigator(
+        view: tester.view,
         pages: myPages,
         onPopPage: (Route<dynamic> route, dynamic result) {
           assert(false); // The test should never execute this.
@@ -1214,11 +1218,12 @@ class TransitionDetector extends DefaultTransitionDelegate<void> {
 Widget buildNavigator({
   required List<Page<dynamic>> pages,
   required PopPageCallback onPopPage,
+  required ui.FlutterView view,
   GlobalKey<NavigatorState>? key,
   TransitionDelegate<dynamic>? transitionDelegate,
 }) {
   return MediaQuery(
-    data: MediaQueryData.fromView(WidgetsBinding.instance.window),
+    data: MediaQueryData.fromView(view),
     child: Localizations(
       locale: const Locale('en', 'US'),
       delegates: const <LocalizationsDelegate<dynamic>>[

packages/flutter/test/painting/paint_image_test.dart

@@ -52,7 +52,7 @@ void main() {
 
   test('debugInvertOversizedImages', () async {
     debugInvertOversizedImages = true;
-    expect(PaintingBinding.instance.window.devicePixelRatio != 1.0, true);
+    expect(PaintingBinding.instance.platformDispatcher.views.any((ui. FlutterView view) => view.devicePixelRatio > 1.0), isTrue);
     final FlutterExceptionHandler? oldFlutterError = FlutterError.onError;
 
     final List<String> messages = <String>[];
@@ -180,7 +180,7 @@ void main() {
     expect(imageSizeInfo, isNotNull);
     expect(imageSizeInfo.source, 'test.png');
     expect(imageSizeInfo.imageSize, const Size(300, 300));
-    expect(imageSizeInfo.displaySize, const Size(200, 100) * PaintingBinding.instance.window.devicePixelRatio);
+    expect(imageSizeInfo.displaySize, const Size(200, 100) * tester.view.devicePixelRatio);
 
     // Make sure that we don't report an identical image size info if we
     // redraw in the next frame.
@@ -219,7 +219,7 @@ void main() {
     expect(imageSizeInfo, isNotNull);
     expect(imageSizeInfo.source, 'test.png');
     expect(imageSizeInfo.imageSize, const Size(300, 300));
-    expect(imageSizeInfo.displaySize, const Size(200, 100) * PaintingBinding.instance.window.devicePixelRatio);
+    expect(imageSizeInfo.displaySize, const Size(200, 100) * tester.view.devicePixelRatio);
 
     // Make sure that we don't report an identical image size info if we
     // redraw in the next frame.
@@ -237,7 +237,7 @@ void main() {
     expect(imageSizeInfo, isNotNull);
     expect(imageSizeInfo.source, 'test.png');
     expect(imageSizeInfo.imageSize, const Size(300, 300));
-    expect(imageSizeInfo.displaySize, const Size(200, 150) * PaintingBinding.instance.window.devicePixelRatio);
+    expect(imageSizeInfo.displaySize, const Size(200, 150) * tester.view.devicePixelRatio);
 
     debugOnPaintImage = null;
   });
@@ -261,7 +261,7 @@ void main() {
     expect(imageSizeInfo, isNotNull);
     expect(imageSizeInfo.source, '<Unknown Image(300×200)>');
     expect(imageSizeInfo.imageSize, const Size(300, 200));
-    expect(imageSizeInfo.displaySize, const Size(200, 100) * PaintingBinding.instance.window.devicePixelRatio);
+    expect(imageSizeInfo.displaySize, const Size(200, 100) * tester.view.devicePixelRatio);
 
     debugOnPaintImage = null;
   });

packages/flutter/test/rendering/independent_layout_test.dart

@@ -44,7 +44,7 @@ void main() {
     expect(offscreen.child.hasSize, isFalse);
     expect(offscreen.painted, isFalse);
     // Attach the offscreen to a custom render view and owner
-    final RenderView renderView = RenderView(configuration: testConfiguration, window: RendererBinding.instance.window);
+    final RenderView renderView = RenderView(configuration: testConfiguration, window: RendererBinding.instance.platformDispatcher.views.single);
     final PipelineOwner pipelineOwner = PipelineOwner();
     renderView.attach(pipelineOwner);
     renderView.child = offscreen.root;
@@ -66,6 +66,7 @@ void main() {
     pipelineOwner.flushPaint();
     expect(offscreen.painted, isTrue);
   });
+
   test('offscreen layout does not affect onscreen', () {
     final TestLayout onscreen = TestLayout();
     final TestLayout offscreen = TestLayout();
@@ -74,7 +75,7 @@ void main() {
     expect(offscreen.child.hasSize, isFalse);
     expect(offscreen.painted, isFalse);
     // Attach the offscreen to a custom render view and owner
-    final RenderView renderView = RenderView(configuration: testConfiguration, window: RendererBinding.instance.window);
+    final RenderView renderView = RenderView(configuration: testConfiguration, window: RendererBinding.instance.platformDispatcher.views.single);
     final PipelineOwner pipelineOwner = PipelineOwner();
     renderView.attach(pipelineOwner);
     renderView.child = offscreen.root;

packages/flutter/test/rendering/layers_test.dart

@@ -169,7 +169,7 @@ void main() {
   test('switching layer link of an attached leader layer should not crash', () {
     final LayerLink link = LayerLink();
     final LeaderLayer leaderLayer = LeaderLayer(link: link);
-    final RenderView view = RenderView(configuration: const ViewConfiguration(), window: RendererBinding.instance.window);
+    final RenderView view = RenderView(configuration: const ViewConfiguration(), window: RendererBinding.instance.platformDispatcher.views.single);
     leaderLayer.attach(view);
     final LayerLink link2 = LayerLink();
     leaderLayer.link = link2;
@@ -182,7 +182,7 @@ void main() {
     final LayerLink link = LayerLink();
     final LeaderLayer leaderLayer1 = LeaderLayer(link: link);
     final LeaderLayer leaderLayer2 = LeaderLayer(link: link);
-    final RenderView view = RenderView(configuration: const ViewConfiguration(), window: RendererBinding.instance.window);
+    final RenderView view = RenderView(configuration: const ViewConfiguration(), window: RendererBinding.instance.platformDispatcher.views.single);
     leaderLayer1.attach(view);
     leaderLayer2.attach(view);
     leaderLayer2.detach();

packages/flutter/test/rendering/view_test.dart

@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'dart:ui' as ui;
-
 import 'package:flutter/rendering.dart';
 import 'package:flutter_test/flutter_test.dart';
 
@@ -32,10 +30,9 @@ void main() {
     });
 
     test('does not replace the root layer unnecessarily', () {
-      final ui.FlutterView window = TestWindow(window: RendererBinding.instance.window);
       final RenderView view = RenderView(
         configuration: createViewConfiguration(),
-        window: window,
+        window: RendererBinding.instance.platformDispatcher.views.single,
       );
       final PipelineOwner owner = PipelineOwner();
       view.attach(owner);
@@ -49,10 +46,9 @@ void main() {
     });
 
     test('does not replace the root layer unnecessarily when window resize', () {
-      final ui.FlutterView window = TestWindow(window: RendererBinding.instance.window);
       final RenderView view = RenderView(
         configuration: createViewConfiguration(size: const Size(100.0, 100.0)),
-        window: window,
+        window: RendererBinding.instance.platformDispatcher.views.single,
       );
       final PipelineOwner owner = PipelineOwner();
       view.attach(owner);

packages/flutter/test/widgets/annotated_region_test.dart

@@ -29,13 +29,13 @@ void main() {
       ),
     );
     int? result = RendererBinding.instance.renderView.debugLayer!.find<int>(Offset(
-      10.0 * RendererBinding.instance.window.devicePixelRatio,
-      10.0 * RendererBinding.instance.window.devicePixelRatio,
+      10.0 * tester.view.devicePixelRatio,
+      10.0 * tester.view.devicePixelRatio,
     ));
     expect(result, null);
     result = RendererBinding.instance.renderView.debugLayer!.find<int>(Offset(
-      50.0 * RendererBinding.instance.window.devicePixelRatio,
-      50.0 * RendererBinding.instance.window.devicePixelRatio,
+      50.0 * tester.view.devicePixelRatio,
+      50.0 * tester.view.devicePixelRatio,
     ));
     expect(result, 1);
   });

packages/flutter/test/widgets/display_feature_sub_screen_test.dart

@@ -11,7 +11,7 @@ void main() {
   group('DisplayFeatureSubScreen', () {
     testWidgets('without Directionality or anchor', (WidgetTester tester) async {
       const Key childKey = Key('childKey');
-      final MediaQueryData mediaQuery = MediaQueryData.fromView(WidgetsBinding.instance.window).copyWith(
+      final MediaQueryData mediaQuery = MediaQueryData.fromView(tester.view).copyWith(
           displayFeatures: <DisplayFeature>[
             const DisplayFeature(
               bounds: Rect.fromLTRB(390, 0, 410, 600),
@@ -39,7 +39,7 @@ void main() {
 
     testWidgets('with anchorPoint', (WidgetTester tester) async {
       const Key childKey = Key('childKey');
-      final MediaQueryData mediaQuery = MediaQueryData.fromView(WidgetsBinding.instance.window).copyWith(
+      final MediaQueryData mediaQuery = MediaQueryData.fromView(tester.view).copyWith(
           displayFeatures: <DisplayFeature>[
             const DisplayFeature(
               bounds: Rect.fromLTRB(390, 0, 410, 600),
@@ -70,7 +70,7 @@ void main() {
 
     testWidgets('with infinity anchorpoint', (WidgetTester tester) async {
       const Key childKey = Key('childKey');
-      final MediaQueryData mediaQuery = MediaQueryData.fromView(WidgetsBinding.instance.window).copyWith(
+      final MediaQueryData mediaQuery = MediaQueryData.fromView(tester.view).copyWith(
           displayFeatures: <DisplayFeature>[
             const DisplayFeature(
               bounds: Rect.fromLTRB(390, 0, 410, 600),
@@ -101,7 +101,7 @@ void main() {
 
     testWidgets('with horizontal hinge and anchorPoint', (WidgetTester tester) async {
       const Key childKey = Key('childKey');
-      final MediaQueryData mediaQuery = MediaQueryData.fromView(WidgetsBinding.instance.window).copyWith(
+      final MediaQueryData mediaQuery = MediaQueryData.fromView(tester.view).copyWith(
           displayFeatures: <DisplayFeature>[
             const DisplayFeature(
               bounds: Rect.fromLTRB(0, 290, 800, 310),
@@ -131,7 +131,7 @@ void main() {
 
     testWidgets('with multiple display features and anchorPoint', (WidgetTester tester) async {
       const Key childKey = Key('childKey');
-      final MediaQueryData mediaQuery = MediaQueryData.fromView(WidgetsBinding.instance.window).copyWith(
+      final MediaQueryData mediaQuery = MediaQueryData.fromView(tester.view).copyWith(
           displayFeatures: <DisplayFeature>[
             const DisplayFeature(
               bounds: Rect.fromLTRB(0, 290, 800, 310),
@@ -166,7 +166,7 @@ void main() {
 
     testWidgets('with non-splitting display features and anchorPoint', (WidgetTester tester) async {
       const Key childKey = Key('childKey');
-      final MediaQueryData mediaQuery = MediaQueryData.fromView(WidgetsBinding.instance.window).copyWith(
+      final MediaQueryData mediaQuery = MediaQueryData.fromView(tester.view).copyWith(
           displayFeatures: <DisplayFeature>[
             // Top notch
             const DisplayFeature(
@@ -211,7 +211,7 @@ void main() {
 
     testWidgets('with size 0 display feature in half-opened posture and anchorPoint', (WidgetTester tester) async {
       const Key childKey = Key('childKey');
-      final MediaQueryData mediaQuery = MediaQueryData.fromView(WidgetsBinding.instance.window).copyWith(
+      final MediaQueryData mediaQuery = MediaQueryData.fromView(tester.view).copyWith(
           displayFeatures: <DisplayFeature>[
             const DisplayFeature(
               bounds: Rect.fromLTRB(0, 300, 800, 300),

packages/flutter/test/widgets/independent_widget_layout_test.dart

@@ -2,14 +2,16 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+import 'dart:ui' show FlutterView;
+
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter_test/flutter_test.dart';
 
 const Size _kTestViewSize = Size(800.0, 600.0);
 
-class ScheduledFrameTrackingWindow extends TestWindow {
-  ScheduledFrameTrackingWindow({ required super.window });
+class ScheduledFrameTrackingPlatformDispatcher extends TestPlatformDispatcher {
+  ScheduledFrameTrackingPlatformDispatcher({ required super.platformDispatcher });
 
   int _scheduledFrameCount = 0;
   int get scheduledFrameCount => _scheduledFrameCount;
@@ -26,16 +28,16 @@ class ScheduledFrameTrackingWindow extends TestWindow {
 }
 
 class ScheduledFrameTrackingBindings extends AutomatedTestWidgetsFlutterBinding {
-  late final ScheduledFrameTrackingWindow _window = ScheduledFrameTrackingWindow(window: super.window);
+  late final ScheduledFrameTrackingPlatformDispatcher _platformDispatcher = ScheduledFrameTrackingPlatformDispatcher(platformDispatcher: super.platformDispatcher);
 
   @override
-  ScheduledFrameTrackingWindow get window => _window;
+  ScheduledFrameTrackingPlatformDispatcher get platformDispatcher => _platformDispatcher;
 }
 
 class OffscreenRenderView extends RenderView {
-  OffscreenRenderView() : super(
+  OffscreenRenderView({required FlutterView view}) : super(
     configuration: const ViewConfiguration(size: _kTestViewSize),
-    window: WidgetsBinding.instance.window,
+    window: view,
   );
 
   @override
@@ -45,13 +47,14 @@ class OffscreenRenderView extends RenderView {
 }
 
 class OffscreenWidgetTree {
-  OffscreenWidgetTree() {
+  OffscreenWidgetTree(this.view) {
     renderView.attach(pipelineOwner);
     renderView.prepareInitialFrame();
     pipelineOwner.requestVisualUpdate();
   }
 
-  final RenderView renderView = OffscreenRenderView();
+  final FlutterView view;
+  late final RenderView renderView = OffscreenRenderView(view: view);
   final BuildOwner buildOwner = BuildOwner(focusManager: FocusManager());
   final PipelineOwner pipelineOwner = PipelineOwner();
   RenderObjectToWidgetElement<RenderBox>? root;
@@ -168,12 +171,12 @@ void main() {
 
   testWidgets('RenderObjectToWidgetAdapter.attachToRenderTree does not schedule frame', (WidgetTester tester) async {
     expect(WidgetsBinding.instance, isA<ScheduledFrameTrackingBindings>());
-    final ScheduledFrameTrackingWindow window = WidgetsBinding.instance.window as ScheduledFrameTrackingWindow;
-    window.resetScheduledFrameCount();
-    expect(window.scheduledFrameCount, isZero);
-    final OffscreenWidgetTree tree = OffscreenWidgetTree();
+    final ScheduledFrameTrackingPlatformDispatcher platformDispatcher = tester.platformDispatcher as ScheduledFrameTrackingPlatformDispatcher;
+    platformDispatcher.resetScheduledFrameCount();
+    expect(platformDispatcher.scheduledFrameCount, isZero);
+    final OffscreenWidgetTree tree = OffscreenWidgetTree(tester.view);
     tree.pumpWidget(const SizedBox.shrink());
-    expect(window.scheduledFrameCount, isZero);
+    expect(platformDispatcher.scheduledFrameCount, isZero);
   });
 
   testWidgets('no crosstalk between widget build owners', (WidgetTester tester) async {
@@ -181,7 +184,7 @@ void main() {
     final Counter counter1 = Counter();
     final Trigger trigger2 = Trigger();
     final Counter counter2 = Counter();
-    final OffscreenWidgetTree tree = OffscreenWidgetTree();
+    final OffscreenWidgetTree tree = OffscreenWidgetTree(tester.view);
     // Both counts should start at zero
     expect(counter1.count, equals(0));
     expect(counter2.count, equals(0));
@@ -227,7 +230,7 @@ void main() {
   });
 
   testWidgets('no crosstalk between focus nodes', (WidgetTester tester) async {
-    final OffscreenWidgetTree tree = OffscreenWidgetTree();
+    final OffscreenWidgetTree tree = OffscreenWidgetTree(tester.view);
     final FocusNode onscreenFocus = FocusNode();
     final FocusNode offscreenFocus = FocusNode();
     await tester.pumpWidget(
@@ -250,7 +253,7 @@ void main() {
   });
 
   testWidgets('able to tear down offscreen tree', (WidgetTester tester) async {
-    final OffscreenWidgetTree tree = OffscreenWidgetTree();
+    final OffscreenWidgetTree tree = OffscreenWidgetTree(tester.view);
     final List<WidgetState> states = <WidgetState>[];
     tree.pumpWidget(SizedBox(child: TestStates(states: states)));
     expect(states, <WidgetState>[WidgetState.initialized]);