Update WebKit IDLs after chrome roll.

dom/ShadowRoot.idl

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Neither the name of Google Inc. nor the names of its
  * contributors may be used to endorse or promote products derived from
  * this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 [
-    Conditional=SHADOW_DOM,
-    JSGenerateToJSObject
+    Conditional=SHADOW_DOM
 ] interface ShadowRoot : DocumentFragment {
     readonly attribute Element activeElement;
     attribute boolean applyAuthorStyles;
     attribute boolean resetStyleInheritance;
 
     [TreatNullAs=NullString, V8DeliverCustomElementCallbacks]
     attribute DOMString innerHTML setter raises(DOMException);
 
 #if defined(LANGUAGE_JAVASCRIPT) && LANGUAGE_JAVASCRIPT
     Node cloneNode(in [Optional=DefaultIsUndefined] boolean deep) raises(DOMException);
 #endif
     DOMSelection getSelection();
     Element getElementById(in [Optional=DefaultIsUndefined] DOMString elementId);
     NodeList getElementsByClassName(in [Optional=DefaultIsUndefined] DOMString className);
     NodeList getElementsByTagName(in [Optional=DefaultIsUndefined] DOMString tagName);
     NodeList getElementsByTagNameNS(in [TreatNullAs=NullString,Optional=DefaultIsUndefined] DOMString namespaceURI,
                                     in [Optional=DefaultIsUndefined] DOMString localName);
 
     Element elementFromPoint(in [Optional=DefaultIsUndefined] long x, 
                              in [Optional=DefaultIsUndefined] long y);
 };