Revert "[framework] Reland: use ImageFilter for zoom page transition " (#102611)

Author: Jonah Williams

packages/flutter/lib/src/material/page_transitions_theme.dart

@@ -318,11 +318,7 @@ class _ZoomEnterTransition extends StatelessWidget {
       },
       child: FadeTransition(
         opacity: fadeTransition,
-        child: ScaleTransition(
-          scale: scaleTransition,
-          filterQuality: FilterQuality.low,
-          child: child,
-        ),
+        child: ScaleTransition(scale: scaleTransition, child: child),
       ),
     );
   }
@@ -367,11 +363,7 @@ class _ZoomExitTransition extends StatelessWidget {
 
     return FadeTransition(
       opacity: fadeTransition,
-      child: ScaleTransition(
-        scale: scaleTransition,
-        filterQuality: FilterQuality.low,
-        child: child,
-      ),
+      child: ScaleTransition(scale: scaleTransition, child: child),
     );
   }
 }

packages/flutter/test/material/page_transitions_theme_test.dart

@@ -5,7 +5,6 @@
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/rendering.dart';
 import 'package:flutter_test/flutter_test.dart';
 
 void main() {
@@ -221,61 +220,4 @@ void main() {
     await tester.pumpAndSettle();
     expect(builtCount, 1);
   }, variant: TargetPlatformVariant.only(TargetPlatform.android));
-
-   testWidgets('_ZoomPageTransition uses a FilterQuality while animating', (WidgetTester tester) async {
-    final Map<String, WidgetBuilder> routes = <String, WidgetBuilder>{
-      '/': (BuildContext context) => Material(
-        child: TextButton(
-          child: const Text('push'),
-          onPressed: () { Navigator.of(context).pushNamed('/b'); },
-        ),
-      ),
-      '/b': (BuildContext context) => StatefulBuilder(
-        builder: (BuildContext context, StateSetter setState) {
-          return TextButton(
-            child: const Text('pop'),
-            onPressed: () { Navigator.pop(context); },
-          );
-        },
-      ),
-    };
-
-    await tester.pumpWidget(
-      MaterialApp(
-        theme: ThemeData(
-          pageTransitionsTheme: const PageTransitionsTheme(
-            builders: <TargetPlatform, PageTransitionsBuilder>{
-              TargetPlatform.android: ZoomPageTransitionsBuilder(), // creates a _ZoomPageTransition
-            },
-          ),
-        ),
-        routes: routes,
-      ),
-    );
-
-    expect(tester.layers, isNot(contains(isA<ImageFilterLayer>())));
-
-    await tester.tap(find.text('push'));
-    await tester.pump();
-    await tester.pump();
-
-    expect(tester.layers, contains(isA<ImageFilterLayer>()));
-    expect(tester.layers.whereType<ImageFilterLayer>(), hasLength(1));
-
-    await tester.pumpAndSettle();
-
-    expect(tester.layers, isNot(contains(isA<ImageFilterLayer>())));
-
-    await tester.tap(find.text('pop'));
-    await tester.pump();
-    await tester.pump();
-
-    expect(tester.layers, contains(isA<ImageFilterLayer>()));
-    // exiting requires two different zooms.
-    expect(tester.layers.whereType<ImageFilterLayer>(), hasLength(2));
-
-    await tester.pumpAndSettle();
-
-    expect(tester.layers, isNot(contains(isA<ImageFilterLayer>())));
-  }, variant: TargetPlatformVariant.only(TargetPlatform.android));
 }