Make Range constructable

Source/core/dom/Range.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.
  */
 
 // Introduced in DOM Level 2:
 [
-    ImplementationLacksVTable
+    Constructor,
+    CallWith=ScriptExecutionContext,
+    ImplementationLacksVTable,
 ] interface Range {
 
     [GetterRaisesException] readonly attribute Node startContainer;
     [GetterRaisesException] readonly attribute long startOffset;
     [GetterRaisesException] readonly attribute Node endContainer;
     [GetterRaisesException] readonly attribute long endOffset;
     [GetterRaisesException] readonly attribute boolean collapsed;
     [GetterRaisesException] readonly attribute Node commonAncestorContainer;
 
      [RaisesException] void setStart([Default=Undefined] optional Node refNode, 
@@ skipping 50 matching lines @@
 
     [RaisesException] short comparePoint([Default=Undefined] optional Node refNode, 
                        [Default=Undefined] optional long offset);
 
     [RaisesException] boolean isPointInRange([Default=Undefined] optional Node refNode, 
                            [Default=Undefined] optional long offset);
 
     [RaisesException] void expand([Default=Undefined] optional DOMString unit);
 };