[Binding] Add [OverrideBuiltins] label onto HTMLDocument interface

third_party/WebKit/Source/core/html/HTMLDocument.idl

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 // FIXME: "For historical reasons, Window objects must also have a
 // writable, configurable, non-enumerable property named HTMLDocument
 // whose value is the Document interface object."
 // https://html.spec.whatwg.org/#the-window-object
 
+[OverrideBuiltins]
 interface HTMLDocument : Document {
     // https://html.spec.whatwg.org/#Document-partial
 
     [TreatNullAs=EmptyString, CustomElementCallbacks] attribute DOMString fgColor;
     [TreatNullAs=EmptyString, CustomElementCallbacks] attribute DOMString linkColor;
     [TreatNullAs=EmptyString, CustomElementCallbacks] attribute DOMString vlinkColor;
     [TreatNullAs=EmptyString, CustomElementCallbacks] attribute DOMString alinkColor;
     [TreatNullAs=EmptyString, CustomElementCallbacks] attribute DOMString bgColor;
 
     [MeasureAs=DocumentClear] void clear();
     [MeasureAs=DocumentCaptureEvents] void captureEvents();
     [MeasureAs=DocumentReleaseEvents] void releaseEvents();
 
+    [Custom, NotEnumerable] getter object (unsigned long index);
+    [Custom, NotEnumerable] getter object (DOMString name);
+
     // FIXME: all should not be [Replaceable].
     [Replaceable, ImplementedAs=allForBinding] readonly attribute HTMLAllCollection all;
 };