Generate EventListener attributes of non-EventTarget classes.

client/dom/generated/src/interface/FileReader.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 FileReader factory _FileReaderFactoryProvider {
 
   FileReader();
 
   static final int DONE = 2;
 
   static final int EMPTY = 0;
 
   static final int LOADING = 1;
 
   FileError get error();
 
+  EventListener get onabort();
+
+  void set onabort(EventListener value);
+
+  EventListener get onerror();
+
+  void set onerror(EventListener value);
+
+  EventListener get onload();
+
+  void set onload(EventListener value);
+
+  EventListener get onloadend();
+
+  void set onloadend(EventListener value);
+
+  EventListener get onloadstart();
+
+  void set onloadstart(EventListener value);
+
+  EventListener get onprogress();
+
+  void set onprogress(EventListener value);
+
   int get readyState();
 
   Object get result();
 
   void abort();
 
   void readAsArrayBuffer(Blob blob);
 
   void readAsBinaryString(Blob blob);
 
   void readAsDataURL(Blob blob);
 
   void readAsText(Blob blob, [String encoding]);
 }