Use 'field' syntax in dart:dom interfaces.

client/dom/generated/src/interface/HTMLParamElement.dart

 // Copyright (c) 2011, 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.
 
 // WARNING: Do not edit - generated code.
 
 interface HTMLParamElement extends HTMLElement {
 
-  String get name();
+  String name;
 
-  void set name(String value);
+  String type;
 
-  String get type();
+  String value;
 
-  void set type(String value);
-
-  String get value();
-
-  void set value(String value);
-
-  String get valueType();
-
-  void set valueType(String value);
+  String valueType;
 }