Simplify constructors translation, improve code style.

pkg/analyzer_experimental/test/generated/ast_test.dart

 // This code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 library engine.ast_test;
 import 'dart:collection';
 import 'package:analyzer_experimental/src/generated/java_core.dart';
 import 'package:analyzer_experimental/src/generated/java_engine.dart';
 import 'package:analyzer_experimental/src/generated/java_junit.dart';
 import 'package:analyzer_experimental/src/generated/source.dart';
 import 'package:analyzer_experimental/src/generated/error.dart';
 import 'package:analyzer_experimental/src/generated/scanner.dart';
@@ skipping 696 matching lines @@
   static final AssignmentKind SIMPLE_LEFT = new AssignmentKind('SIMPLE_LEFT', 7);
   static final AssignmentKind SIMPLE_RIGHT = new AssignmentKind('SIMPLE_RIGHT', 8);
   static final AssignmentKind NONE = new AssignmentKind('NONE', 9);
   static final List<AssignmentKind> values = [BINARY, COMPOUND_LEFT, COMPOUND_RIGHT, POSTFIX_INC, PREFIX_DEC, PREFIX_INC, PREFIX_NOT, SIMPLE_LEFT, SIMPLE_RIGHT, NONE];
 
   /// The name of this enum constant, as declared in the enum declaration.
   final String name;
 
   /// The position in the enum declaration.
   final int ordinal;
-  AssignmentKind(this.name, this.ordinal) {
-  }
+  AssignmentKind(this.name, this.ordinal);
   int compareTo(AssignmentKind other) => ordinal - other.ordinal;
   int get hashCode => ordinal;
   String toString() => name;
 }
 class WrapperKind implements Comparable<WrapperKind> {
   static final WrapperKind PREFIXED_LEFT = new WrapperKind('PREFIXED_LEFT', 0);
   static final WrapperKind PREFIXED_RIGHT = new WrapperKind('PREFIXED_RIGHT', 1);
   static final WrapperKind PROPERTY_LEFT = new WrapperKind('PROPERTY_LEFT', 2);
   static final WrapperKind PROPERTY_RIGHT = new WrapperKind('PROPERTY_RIGHT', 3);
   static final WrapperKind NONE = new WrapperKind('NONE', 4);
   static final List<WrapperKind> values = [PREFIXED_LEFT, PREFIXED_RIGHT, PROPERTY_LEFT, PROPERTY_RIGHT, NONE];
 
   /// The name of this enum constant, as declared in the enum declaration.
   final String name;
 
   /// The position in the enum declaration.
   final int ordinal;
-  WrapperKind(this.name, this.ordinal) {
-  }
+  WrapperKind(this.name, this.ordinal);
   int compareTo(WrapperKind other) => ordinal - other.ordinal;
   int get hashCode => ordinal;
   String toString() => name;
 }
 class BreadthFirstVisitorTest extends ParserTestCase {
   void testIt() {
     String source = EngineTestCase.createSource(["class A {", "  bool get g => true;", "}", "class B {", "  int f() {", "    num q() {", "      return 3;", "    }", "  return q() + 4;", "  }", "}", "A f(var p) {", "  if ((p as A).g) {", "    return p;", "  } else {", "    return null;", "  }", "}"]);
     CompilationUnit unit = ParserTestCase.parseCompilationUnit(source, []);
     List<ASTNode> nodes = new List<ASTNode>();
     BreadthFirstVisitor<Object> visitor = new BreadthFirstVisitor_15(nodes);
@@ skipping 2212 matching lines @@
 }
 main() {
   ConstantEvaluatorTest.dartSuite();
   NodeLocatorTest.dartSuite();
   ToSourceVisitorTest.dartSuite();
   BreadthFirstVisitorTest.dartSuite();
   IndexExpressionTest.dartSuite();
   SimpleIdentifierTest.dartSuite();
   VariableDeclarationTest.dartSuite();
 }