Remove most superfluous getter arguments from dart2js.

dart/lib/compiler/implementation/typechecker.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 class TypeCheckerTask extends CompilerTask {
   TypeCheckerTask(Compiler compiler) : super(compiler);
-  String get name() => "Type checker";
+  String get name => "Type checker";
 
   static final bool LOG_FAILURES = false;
 
   void check(Node tree, TreeElements elements) {
     measure(() {
       Visitor visitor =
           new TypeCheckerVisitor(compiler, elements, compiler.types);
       try {
         tree.accept(visitor);
       } catch (CancelTypeCheckException e) {
@@ skipping 21 matching lines @@
    * [: Func<int,String> :] is the function type [: (String) -> int :].
    */
   Type unalias(Compiler compiler);
 }
 
 class TypeVariableType implements Type {
   final TypeVariableElement element;
 
   TypeVariableType(this.element);
 
-  SourceString get name() => element.name;
+  SourceString get name => element.name;
 
   Type unalias(Compiler compiler) => this;
 
   String toString() => name.slowToString();
 }
 
 /**
  * A statement type tracks whether a statement returns or may return.
  */
 class StatementType implements Type {
   final String stringName;
-  Element get element() => null;
+  Element get element => null;
 
-  SourceString get name() => new SourceString(stringName);
+  SourceString get name => new SourceString(stringName);
 
   const StatementType(this.stringName);
 
   static final RETURNING = const StatementType('<returning>');
   static final NOT_RETURNING = const StatementType('<not returning>');
   static final MAYBE_RETURNING = const StatementType('<maybe returning>');
 
   /** Combine the information about two control-flow edges that are joined. */
   StatementType join(StatementType other) {
     return (this === other) ? this : MAYBE_RETURNING;
   }
 
   Type unalias(Compiler compiler) => this;
 
   String toString() => stringName;
 }
 
 class VoidType implements Type {
   const VoidType(this.element);
-  SourceString get name() => element.name;
+  SourceString get name => element.name;
   final VoidElement element;
 
   Type unalias(Compiler compiler) => this;
 
   String toString() => name.slowToString();
 }
 
 class InterfaceType implements Type {
   final Element element;
   final Link<Type> arguments;
 
   const InterfaceType(this.element,
                       [this.arguments = const EmptyLink<Type>()]);
 
-  SourceString get name() => element.name;
+  SourceString get name => element.name;
 
   Type unalias(Compiler compiler) => this;
 
   String toString() {
     StringBuffer sb = new StringBuffer();
     sb.add(name.slowToString());
     if (!arguments.isEmpty()) {
       sb.add('<');
       arguments.printOn(sb, ', ');
       sb.add('>');
@@ skipping 14 matching lines @@
 
   String toString() {
     StringBuffer sb = new StringBuffer();
     bool first = true;
     sb.add('(');
     parameterTypes.printOn(sb, ', ');
     sb.add(') -> ${returnType}');
     return sb.toString();
   }
 
-  SourceString get name() => const SourceString('Function');
+  SourceString get name => const SourceString('Function');
 
   int computeArity() {
     int arity = 0;
     parameterTypes.forEach((_) { arity++; });
     return arity;
   }
 
   void initializeFrom(FunctionType other) {
     assert(returnType === null);
     assert(parameterTypes === null);
     returnType = other.returnType;
     parameterTypes = other.parameterTypes;
   }
 }
 
 class TypedefType implements Type {
   final TypedefElement element;
   final Link<Type> typeArguments;
 
   const TypedefType(this.element,
       [this.typeArguments = const EmptyLink<Type>()]);
 
-  SourceString get name() => element.name;
+  SourceString get name => element.name;
 
   Type unalias(Compiler compiler) {
     // TODO(ahe): This should be [ensureResolved].
     compiler.resolveTypedef(element);
     return element.alias.unalias(compiler);
   }
 
   String toString() {
     StringBuffer sb = new StringBuffer();
     sb.add(name.slowToString());
@@ skipping 676 matching lines @@
   }
 
   visitCatchBlock(CatchBlock node) {
     return unhandledStatement();
   }
 
   visitTypedef(Typedef node) {
     return unhandledStatement();
   }
 }