Deprecate ExpansionTileController (#166368)

Fixes https://github.com/flutter/flutter/issues/165511

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packages/flutter/lib/fix_data/fix_material/fix_expansion_tile.yaml

@@ -0,0 +1,40 @@
+# Copyright 2014 The Flutter Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# For details regarding the *Flutter Fix* feature, see
+# https://flutter.dev/to/flutter-fix
+
+# Please add new fixes to the top of the file, separated by one blank line
+# from other fixes. In a comment, include a link to the PR where the change
+# requiring the fix was made.
+
+# Every fix must be tested. See the flutter/packages/flutter/test_fixes/README.md
+# file for instructions on testing these data driven fixes.
+
+# For documentation about this file format, see
+# https://dart.dev/go/data-driven-fixes.
+
+# * Fixes in this file are for ExpansionTile from the Material library. *
+#   For fixes to
+#     * AppBarTheme: fix_app_bar_theme.yaml
+#     * AppBar: fix_app_bar.yaml
+#     * ButtonBar: fix_button_bar.yaml
+#     * ColorScheme: fix_color_scheme.yaml
+#     * Material (general): fix_material.yaml
+#     * SliverAppBar: fix_sliver_app_bar.yaml
+#     * TextTheme: fix_text_theme.yaml
+#     * ThemeData: fix_theme_data.yaml
+version: 1
+transforms:
+  # Changes made in https://github.com/flutter/flutter/pull/
+  - title: "Migrate to 'ExpansibleController'"
+    date: 2025-04-01
+    element:
+      uris: [ 'material.dart', 'widgets.dart' ]
+      class: 'ExpansionTileController'
+    changes:
+      - kind: 'rename'
+        newName: 'ExpansibleController'
+
+# Before adding a new fix: read instructions at the top of this file.

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

@@ -62,6 +62,10 @@ const Duration _kExpand = Duration(milliseconds: 200);
 ///
 /// Remember to dispose of the [ExpansionTileController] when it is no longer
 /// needed. This will ensure we discard any resources used by the object.
+@Deprecated(
+  'Use ExpansibleController instead. '
+  'This feature was deprecated after v3.31.0-0.1.pre.',
+)
 typedef ExpansionTileController = ExpansibleController;
 
 /// A single-line [ListTile] with an expansion arrow icon that expands or collapses

packages/flutter/test_fixes/material/expansion_tile.dart

@@ -0,0 +1,10 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:flutter/material.dart';
+
+void main() {
+  // Changes made in https://github.com/flutter/flutter/pull/166368
+  ExpansionTileController();
+}

packages/flutter/test_fixes/material/expansion_tile.dart.expect

@@ -0,0 +1,10 @@
+// Copyright 2014 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:flutter/material.dart';
+
+void main() {
+  // Changes made in https://github.com/flutter/flutter/pull/166368
+  ExpansibleController();
+}