Oilpan: Move core/xml/ to oilpan's heap

Source/core/xml/XPathExpression.idl

 /*
  * Copyright (C) 2006 Apple Computer, Inc.
  * 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.
  */
-interface XPathExpression {
+
+[
+    WillBeGarbageCollected
+] interface XPathExpression {
      [RaisesException] XPathResult evaluate([Default=Undefined] optional Node contextNode,
                                         [Default=Undefined] optional unsigned short type,
                                         [Default=Undefined] optional XPathResult inResult);
 };