[oilpan] Completely move HTMLFormControlElement's hierarchy to the managed heap

Source/core/html/HTMLInputElement.idl

 /*
  * Copyright (C) 2006, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
  * Copyright (C) 2012 Samsung Electronics. All rights reserved.
  *
  * 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.
  */
 
 [
     SkipVTableValidation
 ] interface HTMLInputElement : HTMLElement {
-    [Reflect] attribute DOMString accept;
+    [Reflect, ImplementedAs=accept_] attribute DOMString accept;
     [Reflect] attribute DOMString alt;
     [Reflect] attribute DOMString autocomplete;
     [Reflect] attribute boolean autofocus;
     [Reflect=checked] attribute boolean defaultChecked;
     attribute boolean checked;
     [Reflect] attribute DOMString dirName;
     [Reflect] attribute boolean disabled;
     readonly attribute HTMLFormElement form;
     attribute FileList files;
     [Reflect, URL] attribute DOMString formAction;
@@ skipping 55 matching lines @@
     [Reflect, EnabledAtRuntime=directoryUpload] attribute boolean webkitdirectory;
     [Reflect] attribute DOMString useMap;
     [Reflect] attribute boolean incremental;
     [Conditional=INPUT_SPEECH, Reflect, EnabledAtRuntime=speechInput] attribute boolean webkitSpeech;
     [Conditional=INPUT_SPEECH, Reflect, EnabledAtRuntime=speechInput] attribute boolean webkitGrammar;
     [Conditional=INPUT_SPEECH, NotEnumerable] attribute EventListener onwebkitspeechchange;
 
     // See http://www.w3.org/TR/html-media-capture/
     [Conditional=MEDIA_CAPTURE] attribute DOMString capture;
 };