Map typeName getter to the global typeNameOf. This is a unspoken rule from the native interface :)

frog/leg/elements/elements.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('elements');
 
 #import('../tree/tree.dart');
 #import('../scanner/scannerlib.dart');
 #import('../leg.dart');  // TODO(karlklose): we only need type.
 #import('../util/util.dart');
@@ skipping 52 matching lines @@
   bool isGenerativeConstructor() => kind === ElementKind.GENERATIVE_CONSTRUCTOR;
   bool isCompilationUnit() {
     return kind === ElementKind.COMPILATION_UNIT ||
            kind === ElementKind.LIBRARY;
   }
   bool isClass() => kind === ElementKind.CLASS;
   bool isVariable() => kind === ElementKind.VARIABLE;
   bool isParameter() => kind === ElementKind.PARAMETER;
   bool isStatement() => kind === ElementKind.STATEMENT;
   bool isTypedef() => kind === ElementKind.TYPEDEF;
+  bool isGetter() => kind === ElementKind.GETTER;
   // TODO(ahe): Remove this method.
   bool isClassOrInterfaceOrTypedef() {
     return kind == ElementKind.CLASS || kind == ElementKind.TYPEDEF;
   }
 
   bool isAssignable() {
     if (modifiers != null && modifiers.isFinal()) return false;
     if (isFunction() || isGenerativeConstructor()) return false;
     return true;
   }
@@ skipping 723 matching lines @@
 
   LabelElement addLabel(Identifier label, String labelName) {
     LabelElement result = new LabelElement(label, labelName, this,
                                            enclosingElement);
     labels = labels.prepend(result);
     return result;
   }
 
   Node parseNode(DiagnosticListener l) => statement;
 }