Make hasNext a getter instead of a method.

pkg/dartdoc/lib/src/mirrors/dart2js_mirror.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 mirrors_dart2js;
 
 import 'dart:io';
 import 'dart:uri';
 
 import '../../../../../lib/compiler/compiler.dart' as diagnostics;
@@ skipping 1041 matching lines @@
       return false;
     }
     if (other.isDeclaration) {
       return false;
     }
     if (declaration != other.declaration) {
       return false;
     }
     var thisTypeArguments = typeArguments.iterator();
     var otherTypeArguments = other.typeArguments.iterator();
-    while (thisTypeArguments.hasNext() && otherTypeArguments.hasNext()) {
+    while (thisTypeArguments.hasNext && otherTypeArguments.hasNext) {
       if (thisTypeArguments.next() != otherTypeArguments.next()) {
         return false;
       }
     }
-    return !thisTypeArguments.hasNext() && !otherTypeArguments.hasNext();
+    return !thisTypeArguments.hasNext && !otherTypeArguments.hasNext;
   }
 }
 
 
 class Dart2JsFunctionTypeMirror extends Dart2JsTypeElementMirror
     implements FunctionTypeMirror {
   final FunctionSignature _functionSignature;
   List<ParameterMirror> _parameters;
 
   Dart2JsFunctionTypeMirror(Dart2JsMirrorSystem system,
@@ skipping 311 matching lines @@
     if (node !== null) {
       var span = system.compiler.spanFromNode(node, script.uri);
       return new Dart2JsLocation(script, span);
     } else {
       var span = system.compiler.spanFromElement(_variable);
       return new Dart2JsLocation(script, span);
     }
   }
 }