Update WebKit IDLs after chrome roll.

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.
  */
 
 [
     CustomNamedGetter,
     V8CustomToJSObject,
     V8SkipVTableValidation
 ] interface HTMLDocument : Document {
-    [JSCustom, V8Custom] void open();
+    [V8Custom] void open();
     void close();
     [Custom] void write(in [Optional=DefaultIsUndefined] DOMString text);
     [Custom] void writeln(in [Optional=DefaultIsUndefined] DOMString text);
 
     readonly attribute HTMLCollection embeds;
     readonly attribute HTMLCollection plugins;
     readonly attribute HTMLCollection scripts;
 
     // Extensions
 
 #if defined(LANGUAGE_JAVASCRIPT) && LANGUAGE_JAVASCRIPT
     // FIXME: This should eventually be available (if they are wanted) for all languages.
-    [JSCustom, Replaceable, Deletable] attribute HTMLAllCollection all;
+    [Replaceable, Deletable] attribute HTMLAllCollection all;
 #endif
 
     void clear();
 
     void captureEvents();
     void releaseEvents();
 
     readonly attribute long width;
     readonly attribute long height;
              [TreatNullAs=NullString] attribute DOMString dir;
              [TreatNullAs=NullString] attribute DOMString designMode;
     readonly attribute DOMString compatMode;
 
     readonly attribute Element activeElement;
     boolean hasFocus();
 
     // Deprecated attributes
              [TreatNullAs=NullString] attribute DOMString bgColor;
              [TreatNullAs=NullString] attribute DOMString fgColor;
              [TreatNullAs=NullString] attribute DOMString alinkColor;
              [TreatNullAs=NullString] attribute DOMString linkColor;
              [TreatNullAs=NullString] attribute DOMString vlinkColor;
 };