fix some formatting issues (#28809)

* fix some formatting issues

* address review comments

* fix indent
diff --git a/packages/flutter_tools/lib/src/application_package.dart b/packages/flutter_tools/lib/src/application_package.dart
index 82816b7..61a13bf 100644
--- a/packages/flutter_tools/lib/src/application_package.dart
+++ b/packages/flutter_tools/lib/src/application_package.dart
@@ -98,7 +98,7 @@
       return null;
     }
 
-     final List<String> aaptArgs = <String>[
+    final List<String> aaptArgs = <String>[
        aaptPath,
       'dump',
       'xmltree',
diff --git a/packages/flutter_tools/lib/src/build_runner/build_script_generator.dart b/packages/flutter_tools/lib/src/build_runner/build_script_generator.dart
index 137ef53..bde12be 100644
--- a/packages/flutter_tools/lib/src/build_runner/build_script_generator.dart
+++ b/packages/flutter_tools/lib/src/build_runner/build_script_generator.dart
@@ -279,4 +279,4 @@
 
   /// Whether [child] specifies that it wants to run before [parent].
   bool _mustRunBefore(BuilderDefinition parent, BuilderDefinition child) => child.runsBefore.contains(parent.key);
-}
\ No newline at end of file
+}
diff --git a/packages/flutter_tools/lib/src/commands/generate.dart b/packages/flutter_tools/lib/src/commands/generate.dart
index 71b0a8a..2b0ed3c 100644
--- a/packages/flutter_tools/lib/src/commands/generate.dart
+++ b/packages/flutter_tools/lib/src/commands/generate.dart
@@ -27,4 +27,4 @@
     await codeGenerator.generate(mainPath: argResults['target']);
     return null;
   }
-}
\ No newline at end of file
+}
diff --git a/packages/flutter_tools/lib/src/convert.dart b/packages/flutter_tools/lib/src/convert.dart
index 2aedb81..9d8b9c1 100644
--- a/packages/flutter_tools/lib/src/convert.dart
+++ b/packages/flutter_tools/lib/src/convert.dart
@@ -46,4 +46,4 @@
     }
     return result;
   }
-}
\ No newline at end of file
+}
diff --git a/packages/flutter_tools/lib/src/devfs.dart b/packages/flutter_tools/lib/src/devfs.dart
index 05e9292..e6dabb1 100644
--- a/packages/flutter_tools/lib/src/devfs.dart
+++ b/packages/flutter_tools/lib/src/devfs.dart
@@ -386,20 +386,16 @@
     this.rootDirectory, {
     String packagesFilePath,
   }) : _operations = ServiceProtocolDevFSOperations(serviceProtocol),
-       _httpWriter = _DevFSHttpWriter(fsName, serviceProtocol) {
-    _packagesFilePath =
-        packagesFilePath ?? fs.path.join(rootDirectory.path, kPackagesFileName);
-  }
+       _httpWriter = _DevFSHttpWriter(fsName, serviceProtocol),
+       _packagesFilePath = packagesFilePath ?? fs.path.join(rootDirectory.path, kPackagesFileName);
 
   DevFS.operations(
     this._operations,
     this.fsName,
     this.rootDirectory, {
     String packagesFilePath,
-  }) : _httpWriter = null {
-       _packagesFilePath =
-           packagesFilePath ?? fs.path.join(rootDirectory.path, kPackagesFileName);
-  }
+  }) : _httpWriter = null,
+       _packagesFilePath = packagesFilePath ?? fs.path.join(rootDirectory.path, kPackagesFileName);
 
   final DevFSOperations _operations;
   final _DevFSHttpWriter _httpWriter;
diff --git a/packages/flutter_tools/lib/src/flutter_manifest.dart b/packages/flutter_tools/lib/src/flutter_manifest.dart
index 6ad2e69..0c094f7 100644
--- a/packages/flutter_tools/lib/src/flutter_manifest.dart
+++ b/packages/flutter_tools/lib/src/flutter_manifest.dart
@@ -435,4 +435,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/packages/flutter_tools/lib/src/fuchsia/fuchsia_device.dart b/packages/flutter_tools/lib/src/fuchsia/fuchsia_device.dart
index ffbe9dd..9a13ea6 100644
--- a/packages/flutter_tools/lib/src/fuchsia/fuchsia_device.dart
+++ b/packages/flutter_tools/lib/src/fuchsia/fuchsia_device.dart
@@ -39,7 +39,8 @@
   FuchsiaDevice _device;
   ApplicationPackage _app;
 
-  @override String get name => _device.name;
+  @override
+  String get name => _device.name;
 
   Stream<String> _logLines;
   @override
diff --git a/packages/flutter_tools/lib/src/macos/application_package.dart b/packages/flutter_tools/lib/src/macos/application_package.dart
index 71c26aa..31fd59e 100644
--- a/packages/flutter_tools/lib/src/macos/application_package.dart
+++ b/packages/flutter_tools/lib/src/macos/application_package.dart
@@ -16,13 +16,13 @@
 abstract class MacOSApp extends ApplicationPackage {
   MacOSApp({@required String projectBundleId}) : super(id: projectBundleId);
 
-   /// Creates a new [MacOSApp] from an existing app bundle.
-   ///
-   /// `applicationBinary` is the path to the framework directory created by an
-   /// Xcode build. By default, this is located under
-   /// "~/Library/Developer/Xcode/DerivedData/" and contains an executable
-   /// which is expected to start the application and send the observatory
-   /// port over stdout.
+  /// Creates a new [MacOSApp] from an existing app bundle.
+  ///
+  /// `applicationBinary` is the path to the framework directory created by an
+  /// Xcode build. By default, this is located under
+  /// "~/Library/Developer/Xcode/DerivedData/" and contains an executable
+  /// which is expected to start the application and send the observatory
+  /// port over stdout.
   factory MacOSApp.fromPrebuiltApp(FileSystemEntity applicationBinary) {
     final FileSystemEntityType entityType = fs.typeSync(applicationBinary.path);
     if (entityType == FileSystemEntityType.notFound) {
@@ -71,7 +71,7 @@
   String get executable;
 }
 
- class PrebuiltMacOSApp extends MacOSApp {
+class PrebuiltMacOSApp extends MacOSApp {
   PrebuiltMacOSApp({
     @required this.bundleDir,
     @required this.bundleName,
diff --git a/packages/flutter_tools/lib/src/project.dart b/packages/flutter_tools/lib/src/project.dart
index 91a0ef8..f14e2a6 100644
--- a/packages/flutter_tools/lib/src/project.dart
+++ b/packages/flutter_tools/lib/src/project.dart
@@ -467,7 +467,7 @@
 
   final FlutterProject parent;
 
-   Future<void> ensureReadyForPlatformSpecificTooling() async {
+  Future<void> ensureReadyForPlatformSpecificTooling() async {
     /// Generate index.html in build/web. Eventually we could support
     /// a custom html under the web sub directory.
     final Directory outputDir = fs.directory(getWebBuildDirectory());
diff --git a/packages/flutter_tools/test/build_runner/build_runner_test.dart b/packages/flutter_tools/test/build_runner/build_runner_test.dart
index fb7575a..0d3e56a 100644
--- a/packages/flutter_tools/test/build_runner/build_runner_test.dart
+++ b/packages/flutter_tools/test/build_runner/build_runner_test.dart
@@ -33,4 +33,4 @@
   });
 }
 
-class MockPlatform extends Mock implements Platform {}
\ No newline at end of file
+class MockPlatform extends Mock implements Platform {}
diff --git a/packages/flutter_tools/test/cache_test.dart b/packages/flutter_tools/test/cache_test.dart
index 079b045..1e7916f 100644
--- a/packages/flutter_tools/test/cache_test.dart
+++ b/packages/flutter_tools/test/cache_test.dart
@@ -162,4 +162,4 @@
 class MockRandomAccessFile extends Mock implements RandomAccessFile {}
 class MockCachedArtifact extends Mock implements CachedArtifact {}
 class MockInternetAddress extends Mock implements InternetAddress {}
-class MockCache extends Mock implements Cache {}
\ No newline at end of file
+class MockCache extends Mock implements Cache {}
diff --git a/packages/flutter_tools/test/commands/doctor_test.dart b/packages/flutter_tools/test/commands/doctor_test.dart
index dfa032e..5329d47 100644
--- a/packages/flutter_tools/test/commands/doctor_test.dart
+++ b/packages/flutter_tools/test/commands/doctor_test.dart
@@ -212,7 +212,7 @@
   });
 
 
- group('doctor with fake validators', () {
+  group('doctor with fake validators', () {
     testUsingContext('validate non-verbose output format for run without issues', () async {
       expect(await FakeQuietDoctor().diagnose(verbose: false), isTrue);
       expect(testLogger.statusText, equals(
diff --git a/packages/flutter_tools/test/integration/expression_evaluation_test.dart b/packages/flutter_tools/test/integration/expression_evaluation_test.dart
index 498c7f8..7ab5356 100644
--- a/packages/flutter_tools/test/integration/expression_evaluation_test.dart
+++ b/packages/flutter_tools/test/integration/expression_evaluation_test.dart
@@ -144,17 +144,16 @@
 
 Future<void> evaluateComplexExpressions(FlutterTestDriver flutter) async {
   final InstanceRef res = await flutter.evaluateInFrame('new DateTime.now().year');
-    expect(res.kind == InstanceKind.kInt && res.valueAsString == DateTime.now().year.toString(), isTrue);
+  expect(res.kind == InstanceKind.kInt && res.valueAsString == DateTime.now().year.toString(), isTrue);
 }
 
 Future<void> evaluateComplexReturningExpressions(FlutterTestDriver flutter) async {
   final DateTime now = DateTime.now();
-    final InstanceRef resp = await flutter.evaluateInFrame('new DateTime.now()');
-    expect(resp.classRef.name, equals('DateTime'));
-    // Ensure we got a reasonable approximation. The more accurate we try to
-    // make this, the more likely it'll fail due to differences in the time
-    // in the remote VM and the local VM at the time the code runs.
-    final InstanceRef res = await flutter.evaluate(resp.id, r'"$year-$month-$day"');
-    expect(res.valueAsString,
-        equals('${now.year}-${now.month}-${now.day}'));
+  final InstanceRef resp = await flutter.evaluateInFrame('new DateTime.now()');
+  expect(resp.classRef.name, equals('DateTime'));
+  // Ensure we got a reasonable approximation. The more accurate we try to
+  // make this, the more likely it'll fail due to differences in the time
+  // in the remote VM and the local VM at the time the code runs.
+  final InstanceRef res = await flutter.evaluate(resp.id, r'"$year-$month-$day"');
+  expect(res.valueAsString, equals('${now.year}-${now.month}-${now.day}'));
 }
diff --git a/packages/flutter_tools/test/web/compile_test.dart b/packages/flutter_tools/test/web/compile_test.dart
index 0316a33..2b7255b 100644
--- a/packages/flutter_tools/test/web/compile_test.dart
+++ b/packages/flutter_tools/test/web/compile_test.dart
@@ -51,4 +51,4 @@
 }
 
 class MockProcessManager extends Mock implements ProcessManager {}
-class MockProcess extends Mock implements Process {}
\ No newline at end of file
+class MockProcess extends Mock implements Process {}