Remove support for attribute event listeners.

client/dom/generated/src/interface/Element.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 Element extends Node, NodeSelector, ElementTraversal {
 
   int get childElementCount();
 
@@ skipping 14 matching lines @@
   int get offsetHeight();
 
   int get offsetLeft();
 
   Element get offsetParent();
 
   int get offsetTop();
 
   int get offsetWidth();
 
-  EventListener get onabort();
-
-  void set onabort(EventListener value);
-
-  EventListener get onbeforecopy();
-
-  void set onbeforecopy(EventListener value);
-
-  EventListener get onbeforecut();
-
-  void set onbeforecut(EventListener value);
-
-  EventListener get onbeforepaste();
-
-  void set onbeforepaste(EventListener value);
-
-  EventListener get onblur();
-
-  void set onblur(EventListener value);
-
-  EventListener get onchange();
-
-  void set onchange(EventListener value);
-
-  EventListener get onclick();
-
-  void set onclick(EventListener value);
-
-  EventListener get oncontextmenu();
-
-  void set oncontextmenu(EventListener value);
-
-  EventListener get oncopy();
-
-  void set oncopy(EventListener value);
-
-  EventListener get oncut();
-
-  void set oncut(EventListener value);
-
-  EventListener get ondblclick();
-
-  void set ondblclick(EventListener value);
-
-  EventListener get ondrag();
-
-  void set ondrag(EventListener value);
-
-  EventListener get ondragend();
-
-  void set ondragend(EventListener value);
-
-  EventListener get ondragenter();
-
-  void set ondragenter(EventListener value);
-
-  EventListener get ondragleave();
-
-  void set ondragleave(EventListener value);
-
-  EventListener get ondragover();
-
-  void set ondragover(EventListener value);
-
-  EventListener get ondragstart();
-
-  void set ondragstart(EventListener value);
-
-  EventListener get ondrop();
-
-  void set ondrop(EventListener value);
-
-  EventListener get onerror();
-
-  void set onerror(EventListener value);
-
-  EventListener get onfocus();
-
-  void set onfocus(EventListener value);
-
-  EventListener get oninput();
-
-  void set oninput(EventListener value);
-
-  EventListener get oninvalid();
-
-  void set oninvalid(EventListener value);
-
-  EventListener get onkeydown();
-
-  void set onkeydown(EventListener value);
-
-  EventListener get onkeypress();
-
-  void set onkeypress(EventListener value);
-
-  EventListener get onkeyup();
-
-  void set onkeyup(EventListener value);
-
-  EventListener get onload();
-
-  void set onload(EventListener value);
-
-  EventListener get onmousedown();
-
-  void set onmousedown(EventListener value);
-
-  EventListener get onmousemove();
-
-  void set onmousemove(EventListener value);
-
-  EventListener get onmouseout();
-
-  void set onmouseout(EventListener value);
-
-  EventListener get onmouseover();
-
-  void set onmouseover(EventListener value);
-
-  EventListener get onmouseup();
-
-  void set onmouseup(EventListener value);
-
-  EventListener get onmousewheel();
-
-  void set onmousewheel(EventListener value);
-
-  EventListener get onpaste();
-
-  void set onpaste(EventListener value);
-
-  EventListener get onreset();
-
-  void set onreset(EventListener value);
-
-  EventListener get onscroll();
-
-  void set onscroll(EventListener value);
-
-  EventListener get onsearch();
-
-  void set onsearch(EventListener value);
-
-  EventListener get onselect();
-
-  void set onselect(EventListener value);
-
-  EventListener get onselectstart();
-
-  void set onselectstart(EventListener value);
-
-  EventListener get onsubmit();
-
-  void set onsubmit(EventListener value);
-
-  EventListener get ontouchcancel();
-
-  void set ontouchcancel(EventListener value);
-
-  EventListener get ontouchend();
-
-  void set ontouchend(EventListener value);
-
-  EventListener get ontouchmove();
-
-  void set ontouchmove(EventListener value);
-
-  EventListener get ontouchstart();
-
-  void set ontouchstart(EventListener value);
-
-  EventListener get onwebkitfullscreenchange();
-
-  void set onwebkitfullscreenchange(EventListener value);
-
   Element get previousElementSibling();
 
   int get scrollHeight();
 
   int get scrollLeft();
 
   void set scrollLeft(int value);
 
   int get scrollTop();
 
@@ skipping 52 matching lines @@
   void setAttribute(String name, String value);
 
   void setAttributeNS(String namespaceURI, String qualifiedName, String value);
 
   Attr setAttributeNode(Attr newAttr);
 
   Attr setAttributeNodeNS(Attr newAttr);
 
   bool webkitMatchesSelector(String selectors);
 }