Remove support for attribute event listeners.

client/dom/generated/src/wrapping/_IDBTransactionWrappingImplementation.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.
 
 class _IDBTransactionWrappingImplementation extends DOMWrapperBase implements IDBTransaction {
   _IDBTransactionWrappingImplementation() : super() {}
 
   static create__IDBTransactionWrappingImplementation() native {
     return new _IDBTransactionWrappingImplementation();
   }
 
   IDBDatabase get db() { return _get_db(this); }
   static IDBDatabase _get_db(var _this) native;
 
   int get mode() { return _get_mode(this); }
   static int _get_mode(var _this) native;
 
-  EventListener get onabort() { return _get_onabort(this); }
-  static EventListener _get_onabort(var _this) native;
-
-  void set onabort(EventListener value) { _set_onabort(this, value); }
-  static void _set_onabort(var _this, EventListener value) native;
-
-  EventListener get oncomplete() { return _get_oncomplete(this); }
-  static EventListener _get_oncomplete(var _this) native;
-
-  void set oncomplete(EventListener value) { _set_oncomplete(this, value); }
-  static void _set_oncomplete(var _this, EventListener value) native;
-
-  EventListener get onerror() { return _get_onerror(this); }
-  static EventListener _get_onerror(var _this) native;
-
-  void set onerror(EventListener value) { _set_onerror(this, value); }
-  static void _set_onerror(var _this, EventListener value) native;
-
   void abort() {
     _abort(this);
     return;
   }
   static void _abort(receiver) native;
 
   void addEventListener(String type, EventListener listener, [bool useCapture = null]) {
     if (useCapture === null) {
       _addEventListener(this, type, listener);
       return;
@@ skipping 22 matching lines @@
     } else {
       _removeEventListener_2(this, type, listener, useCapture);
       return;
     }
   }
   static void _removeEventListener(receiver, type, listener) native;
   static void _removeEventListener_2(receiver, type, listener, useCapture) native;
 
   String get typeName() { return "IDBTransaction"; }
 }