fix block formatting (#29051)

examples/flutter_gallery/lib/demo/shrine/supplemental/cut_corners_border.dart

@@ -118,14 +118,12 @@ class CutCornersBorder extends OutlineInputBorder {
     } else {
       final double extent = lerpDouble(0.0, gapExtent + gapPadding * 2.0, gapPercentage);
       switch (textDirection) {
-        case TextDirection.rtl:
-          {
+        case TextDirection.rtl: {
           final Path path = _notchedCornerPath(outer.middleRect, gapStart + gapPadding - extent, extent);
           canvas.drawPath(path, paint);
           break;
         }
-        case TextDirection.ltr:
-          {
+        case TextDirection.ltr: {
           final Path path = _notchedCornerPath(outer.middleRect, gapStart - gapPadding, extent);
           canvas.drawPath(path, paint);
           break;

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

@@ -128,8 +128,7 @@ class InkRipple extends InteractiveInkFeature {
        _textDirection = textDirection,
        _targetRadius = radius ?? _getTargetRadius(referenceBox, containedInkWell, rectCallback, position),
        _clipCallback = _getClipCallback(referenceBox, containedInkWell, rectCallback),
-       super(controller: controller, referenceBox: referenceBox, color: color, onRemoved: onRemoved)
-  {
+       super(controller: controller, referenceBox: referenceBox, color: color, onRemoved: onRemoved) {
     assert(_borderRadius != null);
 
     // Immediately begin fading-in the initial splash.

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

@@ -84,8 +84,7 @@ class RenderAndroidView extends RenderBox {
   }) : assert(viewController != null),
        assert(hitTestBehavior != null),
        assert(gestureRecognizers != null),
-       _viewController = viewController
-  {
+       _viewController = viewController {
     _motionEventsDispatcher = _MotionEventsDispatcher(globalToLocal, viewController);
     updateGestureRecognizers(gestureRecognizers);
   }

packages/flutter/test/services/platform_views_test.dart

@@ -147,8 +147,7 @@ void main() {
     });
   });
 
-  group('iOS', ()
-  {
+  group('iOS', () {
     FakeIosPlatformViewsController viewsController;
     setUp(() {
       viewsController = FakeIosPlatformViewsController();

packages/flutter/test/widgets/fade_in_image_test.dart

@@ -137,7 +137,7 @@ Future<void> main() async {
             fadeOutDuration: animationDuration,
             fadeInDuration: animationDuration,
             imageSemanticLabel: imageSemanticText,
-            placeholderSemanticLabel: placeholderSemanticText
+            placeholderSemanticLabel: placeholderSemanticText,
         ));
 
         placeholderProvider.complete(); // load the placeholder
@@ -164,7 +164,7 @@ Future<void> main() async {
             image: imageProvider,
             fadeOutDuration: animationDuration,
             fadeInDuration: animationDuration,
-            placeholderSemanticLabel: placeholderSemanticText
+            placeholderSemanticLabel: placeholderSemanticText,
         ));
 
         placeholderProvider.complete(); // load the placeholder

packages/flutter_tools/test/compile_test.dart

@@ -334,8 +334,7 @@ example:org-dartlang-app:/
     });
   });
 
-  group('compile expression', ()
-  {
+  group('compile expression', () {
     ProcessManager mockProcessManager;
     ResidentCompiler generator;
     MockProcess mockFrontendServer;