Revert "Resolve breaking change of adding a method to ChangeNotifier." (#134978)

Reverts flutter/flutter#134953

Several failures on CI

packages/flutter/lib/src/foundation/change_notifier.dart

@@ -207,7 +207,7 @@ mixin class ChangeNotifier implements Listenable {
   @protected
   bool get hasListeners => _count > 0;
 
-  /// Dispatches event of the [object] creation to [MemoryAllocations.instance].
+  /// Dispatches event of object creation to [MemoryAllocations.instance].
   ///
   /// If the event was already dispatched or [kFlutterMemoryAllocationsEnabled]
   /// is false, the method is noop.
@@ -227,16 +227,16 @@ mixin class ChangeNotifier implements Listenable {
   /// Make sure to invoke it with condition `if (kFlutterMemoryAllocationsEnabled) ...`
   /// so that the method is tree-shaken away when the flag is false.
   @protected
-  static void maybeDispatchObjectCreation(ChangeNotifier object) {
+  void maybeDispatchObjectCreation() {
     // Tree shaker does not include this method and the class MemoryAllocations
     // if kFlutterMemoryAllocationsEnabled is false.
-    if (kFlutterMemoryAllocationsEnabled && !object._creationDispatched) {
+    if (kFlutterMemoryAllocationsEnabled && !_creationDispatched) {
       MemoryAllocations.instance.dispatchObjectCreated(
         library: _flutterFoundationLibrary,
         className: '$ChangeNotifier',
-        object: object,
+        object: this,
       );
-      object._creationDispatched = true;
+      _creationDispatched = true;
     }
   }
 
@@ -271,7 +271,7 @@ mixin class ChangeNotifier implements Listenable {
     assert(ChangeNotifier.debugAssertNotDisposed(this));
 
     if (kFlutterMemoryAllocationsEnabled) {
-      maybeDispatchObjectCreation(this);
+      maybeDispatchObjectCreation();
     }
 
     if (_count == _listeners.length) {
@@ -535,7 +535,7 @@ class ValueNotifier<T> extends ChangeNotifier implements ValueListenable<T> {
   /// Creates a [ChangeNotifier] that wraps this value.
   ValueNotifier(this._value) {
     if (kFlutterMemoryAllocationsEnabled) {
-      ChangeNotifier.maybeDispatchObjectCreation(this);
+      maybeDispatchObjectCreation();
     }
   }
 

packages/flutter/lib/src/rendering/paragraph.dart

@@ -1321,7 +1321,7 @@ class _SelectableFragment with Selectable, ChangeNotifier implements TextLayoutM
     required this.range,
   }) : assert(range.isValid && !range.isCollapsed && range.isNormalized) {
     if (kFlutterMemoryAllocationsEnabled) {
-      ChangeNotifier.maybeDispatchObjectCreation(this);
+      maybeDispatchObjectCreation();
     }
     _selectionGeometry = _getSelectionGeometry();
   }

packages/flutter/lib/src/services/restoration.dart

@@ -155,7 +155,7 @@ class RestorationManager extends ChangeNotifier {
   /// with the engine to get restoration messages (by calling [initChannels]).
   RestorationManager() {
     if (kFlutterMemoryAllocationsEnabled) {
-      ChangeNotifier.maybeDispatchObjectCreation(this);
+      maybeDispatchObjectCreation();
     }
     initChannels();
   }

packages/flutter/lib/src/widgets/draggable_scrollable_sheet.dart

@@ -1074,7 +1074,7 @@ class _DraggableScrollableActuatorState extends State<DraggableScrollableActuato
 class _ResetNotifier extends ChangeNotifier {
   _ResetNotifier() {
     if (kFlutterMemoryAllocationsEnabled) {
-      ChangeNotifier.maybeDispatchObjectCreation(this);
+      maybeDispatchObjectCreation();
     }
   }
   /// Whether someone called [sendReset] or not.

packages/flutter/lib/src/widgets/focus_manager.dart

@@ -439,7 +439,7 @@ class FocusNode with DiagnosticableTreeMixin, ChangeNotifier {
     this.debugLabel = debugLabel;
 
     if (kFlutterMemoryAllocationsEnabled) {
-      ChangeNotifier.maybeDispatchObjectCreation(this);
+      maybeDispatchObjectCreation();
     }
   }
 
@@ -1468,7 +1468,7 @@ class FocusManager with DiagnosticableTreeMixin, ChangeNotifier {
   /// documentation in that method for caveats to watch out for.
   FocusManager() {
     if (kFlutterMemoryAllocationsEnabled) {
-      ChangeNotifier.maybeDispatchObjectCreation(this);
+      maybeDispatchObjectCreation();
     }
     rootScope._manager = this;
   }

packages/flutter/lib/src/widgets/focus_traversal.dart

@@ -1788,7 +1788,7 @@ class _FocusTraversalGroupNode extends FocusNode {
     required this.policy,
   }) {
     if (kFlutterMemoryAllocationsEnabled) {
-      ChangeNotifier.maybeDispatchObjectCreation(this);
+      maybeDispatchObjectCreation();
     }
   }
 

packages/flutter/lib/src/widgets/navigator.dart

@@ -3390,7 +3390,7 @@ class _History extends Iterable<_RouteEntry> with ChangeNotifier {
   /// Creates an instance of [_History].
   _History() {
     if (kFlutterMemoryAllocationsEnabled) {
-      ChangeNotifier.maybeDispatchObjectCreation(this);
+      maybeDispatchObjectCreation();
     }
   }
 

packages/flutter/lib/src/widgets/restoration.dart

@@ -457,7 +457,7 @@ abstract class RestorableProperty<T> extends ChangeNotifier {
   /// Creates a [RestorableProperty].
   RestorableProperty(){
     if (kFlutterMemoryAllocationsEnabled) {
-      ChangeNotifier.maybeDispatchObjectCreation(this);
+      maybeDispatchObjectCreation();
     }
   }
 

packages/flutter/lib/src/widgets/router.dart

@@ -1467,7 +1467,7 @@ class PlatformRouteInformationProvider extends RouteInformationProvider with Wid
     required RouteInformation initialRouteInformation,
   }) : _value = initialRouteInformation {
     if (kFlutterMemoryAllocationsEnabled) {
-      ChangeNotifier.maybeDispatchObjectCreation(this);
+      maybeDispatchObjectCreation();
     }
   }
 

packages/flutter/lib/src/widgets/scroll_controller.dart

@@ -65,7 +65,7 @@ class ScrollController extends ChangeNotifier {
     this.onDetach,
   }) : _initialScrollOffset = initialScrollOffset {
     if (kFlutterMemoryAllocationsEnabled) {
-      ChangeNotifier.maybeDispatchObjectCreation(this);
+      maybeDispatchObjectCreation();
     }
   }
 

packages/flutter/lib/src/widgets/selectable_region.dart

@@ -1580,7 +1580,7 @@ abstract class MultiSelectableSelectionContainerDelegate extends SelectionContai
   /// Creates an instance of [MultiSelectableSelectionContainerDelegate].
   MultiSelectableSelectionContainerDelegate() {
     if (kFlutterMemoryAllocationsEnabled) {
-      ChangeNotifier.maybeDispatchObjectCreation(this);
+      maybeDispatchObjectCreation();
     }
   }
 

packages/flutter/lib/src/widgets/shortcuts.dart

@@ -749,7 +749,7 @@ class ShortcutManager with Diagnosticable, ChangeNotifier {
     this.modal = false,
   })  : _shortcuts = shortcuts {
     if (kFlutterMemoryAllocationsEnabled) {
-      ChangeNotifier.maybeDispatchObjectCreation(this);
+      maybeDispatchObjectCreation();
     }
   }
 
@@ -1203,7 +1203,7 @@ class ShortcutRegistry with ChangeNotifier {
   /// Creates an instance of [ShortcutRegistry].
   ShortcutRegistry() {
     if (kFlutterMemoryAllocationsEnabled) {
-      ChangeNotifier.maybeDispatchObjectCreation(this);
+      maybeDispatchObjectCreation();
     }
   }
 

packages/flutter/lib/src/widgets/snapshot_widget.dart

@@ -482,4 +482,8 @@ class _DefaultSnapshotPainter implements SnapshotPainter {
 
   @override
   bool shouldRepaint(covariant _DefaultSnapshotPainter oldPainter) => false;
+
+  @override
+  @protected
+  void maybeDispatchObjectCreation() { }
 }

packages/flutter/lib/src/widgets/widget_inspector.dart

@@ -2898,7 +2898,7 @@ class InspectorSelection with ChangeNotifier {
   /// Creates an instance of [InspectorSelection].
   InspectorSelection() {
     if (kFlutterMemoryAllocationsEnabled) {
-      ChangeNotifier.maybeDispatchObjectCreation(this);
+      maybeDispatchObjectCreation();
     }
   }
 

packages/flutter/test/foundation/change_notifier_test.dart

@@ -29,7 +29,7 @@ class A {
 class B extends A with ChangeNotifier {
   B() {
     if (kFlutterMemoryAllocationsEnabled) {
-      ChangeNotifier.maybeDispatchObjectCreation(this);
+      maybeDispatchObjectCreation();
     }
   }
 
@@ -43,7 +43,7 @@ class B extends A with ChangeNotifier {
 class Counter with ChangeNotifier {
   Counter() {
     if (kFlutterMemoryAllocationsEnabled) {
-      ChangeNotifier.maybeDispatchObjectCreation(this);
+      maybeDispatchObjectCreation();
     }
   }
 

packages/flutter/test/widgets/automatic_keep_alive_test.dart

@@ -638,7 +638,7 @@ class RenderSliverMultiBoxAdaptorAlt extends RenderSliver with
 class LeakCheckerHandle with ChangeNotifier {
   LeakCheckerHandle() {
     if (kFlutterMemoryAllocationsEnabled) {
-      ChangeNotifier.maybeDispatchObjectCreation(this);
+      maybeDispatchObjectCreation();
     }
   }
 

packages/flutter/test/widgets/route_notification_messages_test.dart

@@ -340,7 +340,7 @@ class SimpleRouterDelegate extends RouterDelegate<RouteInformation> with ChangeN
     this.reportConfiguration = false,
   }) {
     if (kFlutterMemoryAllocationsEnabled) {
-      ChangeNotifier.maybeDispatchObjectCreation(this);
+      maybeDispatchObjectCreation();
     }
   }
 

packages/flutter/test/widgets/router_restoration_test.dart

@@ -92,7 +92,7 @@ class _TestRouteInformationParser extends RouteInformationParser<String> {
 class _TestRouterDelegate extends RouterDelegate<String> with ChangeNotifier {
   _TestRouterDelegate() {
     if (kFlutterMemoryAllocationsEnabled) {
-      ChangeNotifier.maybeDispatchObjectCreation(this);
+      maybeDispatchObjectCreation();
     }
   }
 
@@ -136,7 +136,7 @@ class _TestRouterDelegate extends RouterDelegate<String> with ChangeNotifier {
 class _TestRouteInformationProvider extends RouteInformationProvider with ChangeNotifier {
   _TestRouteInformationProvider() {
     if (kFlutterMemoryAllocationsEnabled) {
-      ChangeNotifier.maybeDispatchObjectCreation(this);
+      maybeDispatchObjectCreation();
     }
   }
 

packages/flutter/test/widgets/router_test.dart

@@ -1646,7 +1646,7 @@ class SimpleRouterDelegate extends RouterDelegate<RouteInformation> with ChangeN
     this.reportConfiguration = false,
   }) {
     if (kFlutterMemoryAllocationsEnabled) {
-      ChangeNotifier.maybeDispatchObjectCreation(this);
+      maybeDispatchObjectCreation();
     }
   }
 
@@ -1734,7 +1734,7 @@ class SimpleRouteInformationProvider extends RouteInformationProvider with Chang
     this.onRouterReport,
   }) {
     if (kFlutterMemoryAllocationsEnabled) {
-      ChangeNotifier.maybeDispatchObjectCreation(this);
+      maybeDispatchObjectCreation();
     }
   }
 
@@ -1794,7 +1794,7 @@ class SimpleAsyncRouterDelegate extends RouterDelegate<RouteInformation> with Ch
     required this.builder,
   }) {
     if (kFlutterMemoryAllocationsEnabled) {
-      ChangeNotifier.maybeDispatchObjectCreation(this);
+      maybeDispatchObjectCreation();
     }
   }