unnecessary parenthesis (#14533)

dev/integration_tests/external_ui/lib/main.dart

@@ -153,11 +153,11 @@ Press play to produce texture frames.''';
             ],
           ),
         ),
-        floatingActionButton: (_icon == null ? null : new FloatingActionButton(
+        floatingActionButton: _icon == null ? null : new FloatingActionButton(
           key: const ValueKey<String>('fab'),
           child: new Icon(_icon),
           onPressed: _nextState,
-        )),
+        ),
       ),
     );
   }

examples/flutter_gallery/lib/demo/video_demo.dart

@@ -399,7 +399,7 @@ class _VideoDemoState extends State<VideoDemo>
       appBar: new AppBar(
         title: const Text('Videos'),
       ),
-      body: (isSupported)
+      body: isSupported
           ? new ConnectivityOverlay(
               child: new ListView(
                 children: <Widget>[

examples/layers/widgets/gestures.dart

@@ -109,7 +109,7 @@ class GestureDemoState extends State<GestureDemo> {
 
   void _handleScaleUpdate(ScaleUpdateDetails details) {
     setState(() {
-      _zoom = (_previousZoom * details.scale);
+      _zoom = _previousZoom * details.scale;
 
       // Ensure that item under the focal point stays in the same place despite zooming
       final Offset normalizedOffset = (_startingFocalPoint - _previousOffset) / _previousZoom;

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

@@ -117,7 +117,7 @@ class _FlexibleSpaceBarState extends State<FlexibleSpaceBar> {
 
     // 0.0 -> Expanded
     // 1.0 -> Collapsed to toolbar
-    final double t = (1.0 - (settings.currentExtent - settings.minExtent) / (deltaExtent)).clamp(0.0, 1.0);
+    final double t = (1.0 - (settings.currentExtent - settings.minExtent) / deltaExtent).clamp(0.0, 1.0);
 
     // background image
     if (widget.background != null) {

packages/flutter/lib/src/painting/colors.dart

@@ -225,7 +225,7 @@ class ColorSwatch<T> extends Color {
     if (other.runtimeType != runtimeType)
       return false;
     final ColorSwatch<T> typedOther = other;
-    return super==(other) && _swatch == typedOther._swatch;
+    return super == other && _swatch == typedOther._swatch;
   }
 
   @override

packages/flutter/test/material/list_tile_test.dart

@@ -285,16 +285,16 @@ void main() {
     Color textColor(Key key) => tester.state<TestTextState>(find.byKey(key)).textStyle.color;
 
     // A selected ListTile's leading, trailing, and text get the primary color by default
-    await(tester.pumpWidget(buildFrame(selected: true)));
-    await(tester.pump(const Duration(milliseconds: 300))); // DefaultTextStyle changes animate
+    await tester.pumpWidget(buildFrame(selected: true));
+    await tester.pump(const Duration(milliseconds: 300)); // DefaultTextStyle changes animate
     expect(iconColor(leadingKey), theme.primaryColor);
     expect(iconColor(trailingKey), theme.primaryColor);
     expect(textColor(titleKey), theme.primaryColor);
     expect(textColor(subtitleKey), theme.primaryColor);
 
     // A selected ListTile's leading, trailing, and text get the ListTileTheme's selectedColor
-    await(tester.pumpWidget(buildFrame(selected: true, selectedColor: green)));
-    await(tester.pump(const Duration(milliseconds: 300))); // DefaultTextStyle changes animate
+    await tester.pumpWidget(buildFrame(selected: true, selectedColor: green));
+    await tester.pump(const Duration(milliseconds: 300)); // DefaultTextStyle changes animate
     expect(iconColor(leadingKey), green);
     expect(iconColor(trailingKey), green);
     expect(textColor(titleKey), green);
@@ -302,16 +302,16 @@ void main() {
 
     // An unselected ListTile's leading and trailing get the ListTileTheme's iconColor
     // An unselected ListTile's title texts get the ListTileTheme's textColor
-    await(tester.pumpWidget(buildFrame(iconColor: red, textColor: green)));
-    await(tester.pump(const Duration(milliseconds: 300))); // DefaultTextStyle changes animate
+    await tester.pumpWidget(buildFrame(iconColor: red, textColor: green));
+    await tester.pump(const Duration(milliseconds: 300)); // DefaultTextStyle changes animate
     expect(iconColor(leadingKey), red);
     expect(iconColor(trailingKey), red);
     expect(textColor(titleKey), green);
     expect(textColor(subtitleKey), green);
 
     // If the item is disabled it's rendered with the theme's disabled color.
-    await(tester.pumpWidget(buildFrame(enabled: false)));
-    await(tester.pump(const Duration(milliseconds: 300))); // DefaultTextStyle changes animate
+    await tester.pumpWidget(buildFrame(enabled: false));
+    await tester.pump(const Duration(milliseconds: 300)); // DefaultTextStyle changes animate
     expect(iconColor(leadingKey), theme.disabledColor);
     expect(iconColor(trailingKey), theme.disabledColor);
     expect(textColor(titleKey), theme.disabledColor);
@@ -319,8 +319,8 @@ void main() {
 
     // If the item is disabled it's rendered with the theme's disabled color.
     // Even if it's selected.
-    await(tester.pumpWidget(buildFrame(enabled: false, selected: true)));
-    await(tester.pump(const Duration(milliseconds: 300))); // DefaultTextStyle changes animate
+    await tester.pumpWidget(buildFrame(enabled: false, selected: true));
+    await tester.pump(const Duration(milliseconds: 300)); // DefaultTextStyle changes animate
     expect(iconColor(leadingKey), theme.disabledColor);
     expect(iconColor(trailingKey), theme.disabledColor);
     expect(textColor(titleKey), theme.disabledColor);

packages/flutter/test/material/tabs_test.dart

@@ -1332,11 +1332,11 @@ void main() {
 
     // A fling in the TabBar or TabBarView, shouldn't do anything.
 
-    await(tester.fling(find.byType(TabBar), const Offset(-100.0, 0.0), 5000.0));
-    await(tester.pumpAndSettle());
+    await tester.fling(find.byType(TabBar), const Offset(-100.0, 0.0), 5000.0);
+    await tester.pumpAndSettle();
 
-    await(tester.fling(find.byType(TabBarView), const Offset(100.0, 0.0), 5000.0));
-    await(tester.pumpAndSettle());
+    await tester.fling(find.byType(TabBarView), const Offset(100.0, 0.0), 5000.0);
+    await tester.pumpAndSettle();
 
     expect(controller.index, 0);
   });
@@ -1378,17 +1378,17 @@ void main() {
 
     // A fling in the TabBar or TabBarView, shouldn't move the tab.
 
-    await(tester.fling(find.byType(TabBar), const Offset(-100.0, 0.0), 5000.0));
-    await(tester.pump(const Duration(milliseconds: 50)));
+    await tester.fling(find.byType(TabBar), const Offset(-100.0, 0.0), 5000.0);
+    await tester.pump(const Duration(milliseconds: 50));
     expect(tester.getTopLeft(find.widgetWithText(Tab, 'TAB')).dx, 0);
     expect(tester.getTopRight(find.widgetWithText(Tab, 'TAB')).dx, 800);
-    await(tester.pumpAndSettle());
+    await tester.pumpAndSettle();
 
-    await(tester.fling(find.byType(TabBarView), const Offset(100.0, 0.0), 5000.0));
-    await(tester.pump(const Duration(milliseconds: 50)));
+    await tester.fling(find.byType(TabBarView), const Offset(100.0, 0.0), 5000.0);
+    await tester.pump(const Duration(milliseconds: 50));
     expect(tester.getTopLeft(find.widgetWithText(Tab, 'TAB')).dx, 0);
     expect(tester.getTopRight(find.widgetWithText(Tab, 'TAB')).dx, 800);
-    await(tester.pumpAndSettle());
+    await tester.pumpAndSettle();
 
     expect(controller.index, 0);
     expect(find.text('TAB'), findsOneWidget);

packages/flutter/test/widgets/heroes_test.dart

@@ -758,7 +758,7 @@ void main() {
 
     // Scroll the target upwards by 25 pixels. The Hero flight's Y coordinate
     // will be redirected from 100 to 75.
-    await(tester.drag(find.byKey(routeContainerKey), const Offset(0.0, -25.0)));
+    await tester.drag(find.byKey(routeContainerKey), const Offset(0.0, -25.0));
     await tester.pump();
     await tester.pump(const Duration(milliseconds: 10));
     final double yAt110ms = tester.getTopLeft(find.byKey(routeHeroKey)).dy;
@@ -833,7 +833,7 @@ void main() {
     expect(yAt100ms, lessThan(200.0));
     expect(yAt100ms, greaterThan(100.0));
 
-    await(tester.drag(find.byKey(routeContainerKey), const Offset(0.0, -400.0)));
+    await tester.drag(find.byKey(routeContainerKey), const Offset(0.0, -400.0));
     await tester.pump();
     await tester.pump(const Duration(milliseconds: 10));
     expect(find.byKey(routeContainerKey), findsNothing); // Scrolled off the top

packages/flutter/test/widgets/nested_scroll_view_test.dart

@@ -229,7 +229,7 @@ void main() {
 
     // Fully expand the appbar by scrolling (no animation) to 0.0.
     controller.jumpTo(0.0);
-    await(tester.pumpAndSettle());
+    await tester.pumpAndSettle();
     expect(scrollOffset, 0.0);
     expect(tester.renderObject<RenderBox>(find.byType(AppBar)).size.height, 200.0);
 
@@ -291,12 +291,12 @@ void main() {
 
     // A scroll collapses Page0's appbar to 150.0.
     controller.jumpTo(50.0);
-    await(tester.pumpAndSettle());
+    await tester.pumpAndSettle();
     expect(tester.renderObject<RenderBox>(find.byType(AppBar)).size.height, 150.0);
 
     // Fling to Page1. Page1's appbar height is the same as the appbar for Page0.
     await tester.fling(find.text('Page0'), const Offset(-100.0, 0.0), 10000.0);
-    await(tester.pumpAndSettle());
+    await tester.pumpAndSettle();
     expect(find.text('Page0'), findsNothing);
     expect(find.text('Page1'), findsOneWidget);
     expect(find.text('Page2'), findsNothing);
@@ -305,10 +305,10 @@ void main() {
     // Expand Page1's appbar and then fling to Page2. Page2's appbar appears
     // fully expanded.
     controller.jumpTo(0.0);
-    await(tester.pumpAndSettle());
+    await tester.pumpAndSettle();
     expect(tester.renderObject<RenderBox>(find.byType(AppBar)).size.height, 200.0);
     await tester.fling(find.text('Page1'), const Offset(-100.0, 0.0), 10000.0);
-    await(tester.pumpAndSettle());
+    await tester.pumpAndSettle();
     expect(find.text('Page0'), findsNothing);
     expect(find.text('Page1'), findsNothing);
     expect(find.text('Page2'), findsOneWidget);

packages/flutter/test/widgets/tracking_scroll_controller_test.dart

@@ -37,10 +37,10 @@ void main() {
     expect(find.text('Page2-Item1'), findsNothing);
 
     controller.jumpTo(listItemHeight + 10);
-    await (tester.pumpAndSettle());
+    await tester.pumpAndSettle();
 
     await tester.fling(find.text('Page0-Item1'), const Offset(-100.0, 0.0), 10000.0);
-    await (tester.pumpAndSettle());
+    await tester.pumpAndSettle();
 
     expect(find.text('Page0-Item1'), findsNothing);
     expect(find.text('Page1-Item1'), findsOneWidget);
@@ -48,7 +48,7 @@ void main() {
     expect(find.text('Page2-Item1'), findsNothing);
 
     await tester.fling(find.text('Page1-Item1'), const Offset(-100.0, 0.0), 10000.0);
-    await (tester.pumpAndSettle());
+    await tester.pumpAndSettle();
 
     expect(find.text('Page0-Item1'), findsNothing);
     expect(find.text('Page1-Item1'), findsNothing);

packages/flutter_tools/lib/src/ios/mac.dart

@@ -274,8 +274,8 @@ Future<XcodeBuildResult> buildXcodeProject({
         appIosDir: appDirectory,
         iosEngineDir: flutterFrameworkDir(buildInfo.mode),
         isSwift: app.isSwift,
-        pluginOrFlutterPodChanged: (injectPluginsResult.hasChanged
-            || previousGeneratedXcconfig != currentGeneratedXcconfig),
+        pluginOrFlutterPodChanged: injectPluginsResult.hasChanged
+            || previousGeneratedXcconfig != currentGeneratedXcconfig,
     );
   }