Add space before curly parentheses. (flutter#85306)

Author: asashour

dev/benchmarks/macrobenchmarks/lib/src/cull_opacity.dart

@@ -24,7 +24,7 @@ class _CullOpacityPageState extends State<CullOpacityPage> with SingleTickerProv
     // This code uses a manual listener for historical reasons and will remain
     // in order to preserve compatibility with the history of measurements for
     // this benchmark.
-    _offsetY = Tween<double>(begin: 0, end: -1000.0).animate(_controller)..addListener((){
+    _offsetY = Tween<double>(begin: 0, end: -1000.0).animate(_controller)..addListener(() {
       setState(() {});
     });
     _controller.repeat();

dev/integration_tests/ios_add2app_life_cycle/flutterapp/lib/main.dart

@@ -44,7 +44,7 @@ class _LifeCycleSpyState extends State<LifeCycleSpy> with WidgetsBindingObserver
   List<AppLifecycleState?>? _actualLifeCycleSequence;
 
   @override
-  void initState(){
+  void initState() {
     super.initState();
     WidgetsBinding.instance?.addObserver(this);
     _actualLifeCycleSequence =  <AppLifecycleState?>[

dev/tools/gen_keycodes/lib/logical_key_data.dart

@@ -370,7 +370,7 @@ class LogicalKeyData {
   }();
 
   /// Returns the static map of printable representations.
-  static late final Map<String, String> printable = ((){
+  static late final Map<String, String> printable = (() {
     final String printableKeys = File(path.join(dataRoot, 'printable.json',)).readAsStringSync();
     return (json.decode(printableKeys) as Map<String, dynamic>)
       .cast<String, String>();
@@ -389,7 +389,7 @@ class LogicalKeyData {
   /// These include synonyms for keys which don't have printable
   /// representations, and appear in more than one place on the keyboard (e.g.
   /// SHIFT, ALT, etc.).
-  static late final Map<String, List<String>> synonyms = ((){
+  static late final Map<String, List<String>> synonyms = (() {
     final String synonymKeys = File(path.join(dataRoot, 'synonyms.json',)).readAsStringSync();
     final Map<String, dynamic> dynamicSynonym = json.decode(synonymKeys) as Map<String, dynamic>;
     return dynamicSynonym.map((String name, dynamic values) {

dev/tools/gen_keycodes/lib/physical_key_data.dart

@@ -364,7 +364,7 @@ class PhysicalKeyEntry {
   /// the name from the various different names available, making sure that the
   /// name isn't a Dart reserved word (if it is, then it adds the word "Key" to
   /// the end of the name).
-  late final String constantName = ((){
+  late final String constantName = (() {
     String? result;
     if (name.isEmpty) {
       // If it doesn't have a DomKey name then use the Chromium symbol name.

packages/flutter/lib/src/cupertino/date_picker.dart

@@ -1986,7 +1986,7 @@ class _CupertinoTimerPickerState extends State<CupertinoTimerPicker> {
         // label on top of it.
         List<Widget> columns;
 
-        if (widget.mode == CupertinoTimerPickerMode.hms){
+        if (widget.mode == CupertinoTimerPickerMode.hms) {
           // Pad the widget to make it as wide as `_kPickerWidth`.
           pickerColumnWidth =
               _kTimerPickerColumnIntrinsicWidth + (_kTimerPickerHalfColumnPadding * 2);

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

@@ -1237,7 +1237,7 @@ class _FlutterErrorDetailsNode extends DiagnosticableNode<FlutterErrorDetails> {
   @override
   DiagnosticPropertiesBuilder? get builder {
     final DiagnosticPropertiesBuilder? builder = super.builder;
-    if (builder == null){
+    if (builder == null) {
       return null;
     }
     Iterable<DiagnosticsNode> properties = builder.properties;

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

@@ -348,7 +348,7 @@ class ChangeNotifier implements Listenable {
           if (_listeners[i] == null) {
             // We swap this item with the next not null item.
             int swapIndex = i + 1;
-            while(_listeners[swapIndex] == null){
+            while(_listeners[swapIndex] == null) {
               swapIndex += 1;
             }
             _listeners[i] = _listeners[swapIndex];

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

@@ -1835,7 +1835,7 @@ class _RawChipState extends State<RawChip> with MaterialStateMixin, TickerProvid
   }
 
   Widget? _wrapWithTooltip(String? tooltip, VoidCallback? callback, Widget? child) {
-    if(!widget.useDeleteButtonTooltip){
+    if(!widget.useDeleteButtonTooltip) {
       return child;
     }
     if (child == null || callback == null || tooltip == null) {

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

@@ -35,7 +35,7 @@ import 'theme.dart';
 /// final List<int> _items = List<int>.generate(50, (int index) => index);
 ///
 /// @override
-/// Widget build(BuildContext context){
+/// Widget build(BuildContext context) {
 ///   final ColorScheme colorScheme = Theme.of(context).colorScheme;
 ///   final Color oddItemColor = colorScheme.primary.withOpacity(0.05);
 ///   final Color evenItemColor = colorScheme.primary.withOpacity(0.15);
@@ -238,7 +238,7 @@ class ReorderableListView extends StatefulWidget {
   /// final List<int> _items = List<int>.generate(50, (int index) => index);
   ///
   /// @override
-  /// Widget build(BuildContext context){
+  /// Widget build(BuildContext context) {
   ///   final ColorScheme colorScheme = Theme.of(context).colorScheme;
   ///   final Color oddItemColor = colorScheme.primary.withOpacity(0.05);
   ///   final Color evenItemColor = colorScheme.primary.withOpacity(0.15);

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

@@ -119,7 +119,7 @@ import 'constants.dart';
 ///             ),
 ///           ),
 ///           body: TabBarView(
-///             children: tabs.map((Tab tab){
+///             children: tabs.map((Tab tab) {
 ///               return Center(
 ///                 child: Text(
 ///                   '${tab.text!} Tab',