some whitespace cleanup (#14443)

dev/benchmarks/complex_layout/lib/main.dart

@@ -64,7 +64,7 @@ class TileScrollLayout extends StatelessWidget {
         itemCount: 200,
         itemBuilder: (BuildContext context, int index) {
           return new Padding(
-            padding:const EdgeInsets.all(5.0),
+            padding: const EdgeInsets.all(5.0),
             child: new Material(
               elevation: (index % 5 + 1).toDouble(),
               color: Colors.white,

dev/tools/vitool/lib/vitool.dart

@@ -267,7 +267,7 @@ class FrameData {
   final List<SvgPath> paths;
 
   @override
-  bool operator ==(Object other){
+  bool operator ==(Object other) {
     if (runtimeType != other.runtimeType)
       return false;
     final FrameData typedOther = other;
@@ -464,7 +464,7 @@ const String _transformCommandAtom = ' *([^(]+)\\(([^)]*)\\)';
 final RegExp _transformValidator = new RegExp('^($_transformCommandAtom)*\$');
 final RegExp _transformCommand = new RegExp(_transformCommandAtom);
 
-Matrix3 _parseSvgTransform(String transform){
+Matrix3 _parseSvgTransform(String transform) {
   if (!_transformValidator.hasMatch(transform))
     throw new Exception('illegal or unsupported transform: $transform');
   final Iterable<Match> matches =_transformCommand.allMatches(transform).toList().reversed;

examples/flutter_gallery/lib/demo/cupertino/cupertino_navigation_demo.dart

@@ -30,10 +30,10 @@ const List<String> coolColorNames = const <String>[
 
 class CupertinoNavigationDemo extends StatelessWidget {
   CupertinoNavigationDemo()
-      : colorItems = new List<Color>.generate(50, (int index){
+      : colorItems = new List<Color>.generate(50, (int index) {
           return coolColors[new math.Random().nextInt(coolColors.length)];
         }) ,
-        colorNameItems = new List<String>.generate(50, (int index){
+        colorNameItems = new List<String>.generate(50, (int index) {
           return coolColorNames[new math.Random().nextInt(coolColorNames.length)];
         });
 

examples/flutter_gallery/lib/demo/material/scrollable_tabs_demo.dart

@@ -111,7 +111,7 @@ class ScrollableTabsDemoState extends State<ScrollableTabsDemo> with SingleTicke
             child: new Container(
               key: new ObjectKey(page.icon),
               padding: const EdgeInsets.all(12.0),
-              child:new Card(
+              child: new Card(
                 child: new Center(
                   child: new Icon(
                     page.icon,

examples/flutter_gallery/lib/gallery/syntax_highlighter.dart

@@ -109,7 +109,7 @@ class DartSyntaxHighlighter extends SyntaxHighlighter {
       return new TextSpan(style: _style.baseStyle, children: formattedText);
     } else {
       // Parsing failed, return with only basic formatting
-      return new TextSpan(style:_style.baseStyle, text: src);
+      return new TextSpan(style: _style.baseStyle, text: src);
     }
   }
 

packages/flutter/test/animation/animation_controller_test.dart

@@ -396,7 +396,7 @@ void main() {
     expect(controller.value, 1.0);
   });
 
-  test('resetting animation works at all phases', (){
+  test('resetting animation works at all phases', () {
     final List<AnimationStatus> statusLog = <AnimationStatus>[];
     final AnimationController controller = new AnimationController(
       duration: const Duration(milliseconds: 100),

packages/flutter/test/material/refresh_indicator_test.dart

@@ -58,7 +58,7 @@ void main() {
             scrollDirection: Axis.horizontal,
             child: new Container(
               width: 600.0,
-              child:new ListView(
+              child: new ListView(
                 physics: const AlwaysScrollableScrollPhysics(),
                 children: <String>['A', 'B', 'C', 'D', 'E', 'F'].map((String item) {
                   return new SizedBox(

packages/flutter/test/material/scaffold_test.dart

@@ -505,7 +505,7 @@ void main() {
       persistentFooterButtons: const <Widget>[const Text(persistentFooterButtonLabel)],
       bottomNavigationBar: const Text(bottomNavigationBarLabel),
       floatingActionButton: const Text(floatingActionButtonLabel),
-      drawer: const Drawer(child:const Text(drawerLabel)),
+      drawer: const Drawer(child: const Text(drawerLabel)),
     )));
 
     expect(semantics, includesNodeWith(label: bodyLabel));
@@ -719,8 +719,8 @@ void main() {
     final SemanticsTester semantics = new SemanticsTester(tester);
     await tester.pumpWidget(new MaterialApp(home: const Scaffold(
       body: const Text(bodyLabel),
-      drawer: const Drawer(child:const Text(drawerLabel)),
+      drawer: const Drawer(child: const Text(drawerLabel)),
-      endDrawer: const Drawer(child:const Text(endDrawerLabel)),
+      endDrawer: const Drawer(child: const Text(endDrawerLabel)),
     )));
 
     expect(semantics, includesNodeWith(label: bodyLabel));

packages/flutter/test/material/snack_bar_test.dart

@@ -444,7 +444,7 @@ void main() {
     await tester.tap(find.text('ACTION'));
     expect(actionPressed, isTrue);
     // Closed reason is only set when the animation is complete.
-    await tester.pump(const Duration(milliseconds:250));
+    await tester.pump(const Duration(milliseconds: 250));
     expect(closedReason, isNull);
     // Wait for animation to complete.
     await tester.pumpAndSettle(const Duration(seconds: 1));

packages/flutter/test/widgets/scrollable_semantics_test.dart

@@ -167,7 +167,7 @@ void main() {
 
     await tester.pumpWidget(new Directionality(
       textDirection: TextDirection.ltr,
-      child:new MediaQuery(
+      child: new MediaQuery(
         data: const MediaQueryData(),
         child: new Scrollable(
           controller: scrollController,

packages/flutter_tools/lib/src/artifacts.dart

@@ -114,7 +114,7 @@ class CachedArtifacts extends Artifacts {
   }
 
   @override
-  String getEngineType(TargetPlatform platform, [BuildMode mode]){
+  String getEngineType(TargetPlatform platform, [BuildMode mode]) {
     return fs.path.basename(_getEngineArtifactsPath(platform, mode));
   }
 

packages/flutter_tools/test/base/file_system_test.dart

@@ -21,12 +21,12 @@ void main() {
     testUsingContext('recursively creates a directory if it does not exist', () async {
       ensureDirectoryExists('foo/bar/baz.flx');
       expect(fs.isDirectorySync('foo/bar'), true);
-    }, overrides: <Type, Generator>{ FileSystem: () => fs } );
+    }, overrides: <Type, Generator>{ FileSystem: () => fs });
 
     testUsingContext('throws tool exit on failure to create', () async {
       fs.file('foo').createSync();
       expect(() => ensureDirectoryExists('foo/bar.flx'), throwsToolExit());
-    }, overrides: <Type, Generator>{ FileSystem: () => fs } );
+    }, overrides: <Type, Generator>{ FileSystem: () => fs });
   });
 
   group('copyDirectorySync', () {

packages/flutter_tools/test/runner/flutter_command_runner_test.dart

@@ -55,5 +55,5 @@ void main() {
       fs.directory(fs.path.join(root, 'dev', 'tools', 'aatool')).path,
       fs.directory(fs.path.join(root, 'dev', 'tools')).path,
     ]);
-  },  overrides: <Type, Generator>{ FileSystem: () => fs } );
+  }, overrides: <Type, Generator>{ FileSystem: () => fs });
 }