Bump Dart SDK to 1.25.0-dev.9.0 (#11509)

* Bump Dart SDK to 1.25.0-dev.9.0

* add link to sdk bug

bin/internal/dart-sdk.version

-1.25.0-dev.7.0
+1.25.0-dev.9.0

dev/devicelab/test/adb_test.dart

@@ -148,7 +148,7 @@ class CommandArgs {
 }
 
 class FakeDevice extends AndroidDevice {
-  FakeDevice({String deviceId: null}) : super(deviceId: deviceId);
+  FakeDevice({String deviceId}) : super(deviceId: deviceId);
 
   static String output = '';
   static ExitErrorFactory exitErrorFactory = () => null;

examples/flutter_gallery/lib/demo/calculator/home.dart

@@ -18,7 +18,7 @@ class _CalculatorState extends State<Calculator> {
   /// keep a stack of previous expressions so we can return to earlier states
   /// when the user hits the DEL key.
   final List<CalcExpression> _expressionStack = <CalcExpression>[];
-  CalcExpression _expression = new CalcExpression.Empty();
+  CalcExpression _expression = new CalcExpression.empty();
 
   // Make `expression` the current expression and push the previous current
   // expression onto the stack.
@@ -32,7 +32,7 @@ class _CalculatorState extends State<Calculator> {
     if (_expressionStack.isNotEmpty) {
       _expression = _expressionStack.removeLast();
     } else {
-      _expression = new CalcExpression.Empty();
+      _expression = new CalcExpression.empty();
     }
   }
 

examples/flutter_gallery/lib/demo/calculator/logic.dart

@@ -120,10 +120,10 @@ enum ExpressionState {
 class CalcExpression {
   CalcExpression(this._list, this.state);
 
-  CalcExpression.Empty()
+  CalcExpression.empty()
     : this(<ExpressionToken>[], ExpressionState.Start);
 
-  CalcExpression.Result(FloatToken result)
+  CalcExpression.result(FloatToken result)
     : _list = <ExpressionToken>[],
       state = ExpressionState.Result {
     _list.add(result);

examples/flutter_gallery/test/calculator/logic.dart

@@ -7,7 +7,7 @@ import 'package:test/test.dart';
 
 void main() {
   test('Test order of operations: 12 + 3 * 4 = 24', () {
-    CalcExpression expression = new CalcExpression.Empty();
+    CalcExpression expression = new CalcExpression.empty();
     expression = expression.appendDigit(1);
     expression = expression.appendDigit(2);
     expression = expression.appendOperation(Operation.Addition);
@@ -20,7 +20,7 @@ void main() {
   });
 
   test('Test floating point 0.1 + 0.2 = 0.3', () {
-    CalcExpression expression = new CalcExpression.Empty();
+    CalcExpression expression = new CalcExpression.empty();
     expression = expression.appendDigit(0);
     expression = expression.appendPoint();
     expression = expression.appendDigit(1);
@@ -34,7 +34,7 @@ void main() {
   });
 
   test('Test floating point 1.0/10.0 = 0.1', () {
-    CalcExpression expression = new CalcExpression.Empty();
+    CalcExpression expression = new CalcExpression.empty();
     expression = expression.appendDigit(1);
     expression = expression.appendPoint();
     expression = expression.appendDigit(0);
@@ -49,7 +49,7 @@ void main() {
   });
 
   test('Test 1/0 = Infinity', () {
-    CalcExpression expression = new CalcExpression.Empty();
+    CalcExpression expression = new CalcExpression.empty();
     expression = expression.appendDigit(1);
     expression = expression.appendOperation(Operation.Division);
     expression = expression.appendDigit(0);
@@ -59,7 +59,7 @@ void main() {
   });
 
   test('Test use result in next calculation: 1 + 1 = 2 + 1 = 3 + 1 = 4', () {
-    CalcExpression expression = new CalcExpression.Empty();
+    CalcExpression expression = new CalcExpression.empty();
     expression = expression.appendDigit(1);
     expression = expression.appendOperation(Operation.Addition);
     expression = expression.appendDigit(1);
@@ -75,7 +75,7 @@ void main() {
   });
 
   test('Test minus -3 - -2 = -1', () {
-    CalcExpression expression = new CalcExpression.Empty();
+    CalcExpression expression = new CalcExpression.empty();
     expression = expression.appendMinus();
     expression = expression.appendDigit(3);
     expression = expression.appendMinus();

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

@@ -1201,7 +1201,7 @@ class FlagProperty extends DiagnosticsProperty<bool> {
     this.ifFalse,
     bool showName: false,
     bool hidden: false,
-    Object defaultValue: null,
+    Object defaultValue,
   }) : super(
     name,
     value,

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

@@ -492,7 +492,7 @@ class Border {
   /// requirement that the border [isUniform].
   void paint(Canvas canvas, Rect rect, {
     BoxShape shape: BoxShape.rectangle,
-    BorderRadius borderRadius: null,
+    BorderRadius borderRadius,
   }) {
     if (isUniform) {
       if (borderRadius != null) {

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

@@ -40,7 +40,8 @@ class RenderProxyBox extends RenderBox with RenderObjectWithChildMixin<RenderBox
   /// Proxy render boxes are rarely created directly because they simply proxy
   /// the render box protocol to [child]. Instead, consider using one of the
   /// subclasses.
-  RenderProxyBox([RenderBox child = null]) {
+  // TODO(a14n): Remove ignore once https://github.com/dart-lang/sdk/issues/30328 is fixed
+  RenderProxyBox([RenderBox child = null]) { //ignore: avoid_init_to_null
     this.child = child;
   }
 }

packages/flutter/lib/src/widgets/pages.dart

@@ -83,7 +83,7 @@ class PageRouteBuilder<T> extends PageRoute<T> {
     this.transitionDuration: const Duration(milliseconds: 300),
     this.opaque: true,
     this.barrierDismissible: false,
-    this.barrierColor: null,
+    this.barrierColor,
     this.maintainState: true,
   }) : assert(pageBuilder != null),
        assert(transitionsBuilder != null),

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

@@ -421,7 +421,7 @@ class _IOSDevicePortForwarder extends DevicePortForwarder {
   List<ForwardedPort> get forwardedPorts => _forwardedPorts;
 
   @override
-  Future<int> forward(int devicePort, {int hostPort: null}) async {
+  Future<int> forward(int devicePort, {int hostPort}) async {
     if ((hostPort == null) || (hostPort == 0)) {
       // Auto select host port.
       hostPort = await portScanner.findAvailablePort();

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

@@ -697,7 +697,7 @@ class _IOSSimulatorDevicePortForwarder extends DevicePortForwarder {
   }
 
   @override
-  Future<int> forward(int devicePort, {int hostPort: null}) async {
+  Future<int> forward(int devicePort, {int hostPort}) async {
     if ((hostPort == null) || (hostPort == 0)) {
       hostPort = devicePort;
     }

packages/flutter_tools/pubspec.yaml

@@ -17,7 +17,7 @@ dependencies:
   intl: '>=0.14.0 <0.16.0'
   json_rpc_2: ^2.0.0
   json_schema: 1.0.6
-  linter: 0.1.31
+  linter: 0.1.35
   meta: ^1.0.5
   mustache: ^0.2.5
   package_config: '>=0.1.5 <2.0.0'