| // Copyright 2018 The Chromium Authors. All rights reserved. | |
| // Use of this source code is governed by a BSD-style license that can be | |
| // found in the LICENSE file. | |
| // https://html.spec.whatwg.org/C/webappapis.html#event-handler-attributes | |
| // This definition is different from standard in order to handle special types | |
| // (OnErrorEventHandler, OnBeforeUnloadEventHandler) in the same type with | |
| // regular EventHandler. | |
| [TreatNonObjectAsNull] | |
| callback EventHandlerNonNull = any (any... args); |