Remove most superfluous getter arguments from dart2js.

dart/lib/compiler/implementation/closure.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.
 
 #library("closureToClassMapper");
 
 #import("elements/elements.dart");
 #import("leg.dart");
 #import("scanner/scannerlib.dart");
 #import("tree/tree.dart");
 #import("util/util.dart");
 
 class ClosureTask extends CompilerTask {
   Map<Node, ClosureClassMap> closureMappingCache;
   ClosureTask(Compiler compiler)
       : closureMappingCache = new Map<Node, ClosureClassMap>(),
         super(compiler);
 
-  String get name() => "Closure Simplifier";
+  String get name => "Closure Simplifier";
 
   ClosureClassMap computeClosureToClassMapping(FunctionExpression node,
                                                      TreeElements elements) {
     return measure(() {
       ClosureClassMap cached = closureMappingCache[node];
       if (cached !== null) return cached;
 
       ClosureTranslator translator =
           new ClosureTranslator(compiler, elements, closureMappingCache);
       // The translator will store the computed closure-mappings inside the
@@ skipping 469 matching lines @@
   }
 
   visitTryStatement(TryStatement node) {
     // TODO(ngeoffray): implement finer grain state.
     bool oldInTryStatement = inTryStatement;
     inTryStatement = true;
     node.visitChildren(this);
     inTryStatement = oldInTryStatement;
   }
 }