Extract a DOMWindow interface from LocalDOMWindow and use it in the idl.

Source/core/page/DOMWindowPagePopup.cpp

 /*
  * 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.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 31 matching lines @@
     ASSERT(popupClient);
 }
 
 DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(DOMWindowPagePopup);
 
 const char* DOMWindowPagePopup::supplementName()
 {
     return "DOMWindowPagePopup";
 }
 
-PagePopupController* DOMWindowPagePopup::pagePopupController(LocalDOMWindow& window)
+PagePopupController* DOMWindowPagePopup::pagePopupController(DOMWindow& window)
 {
-    DOMWindowPagePopup* supplement = static_cast<DOMWindowPagePopup*>(from(&window, supplementName()));
+    DOMWindowPagePopup* supplement = static_cast<DOMWindowPagePopup*>(from(&toLocalDOMWindow(window), supplementName()));
     ASSERT(supplement);
     return supplement->m_controller.get();
 }
 
 void DOMWindowPagePopup::install(LocalDOMWindow& window, PagePopupClient* popupClient)
 {
     ASSERT(popupClient);
     provideTo(window, supplementName(), adoptPtrWillBeNoop(new DOMWindowPagePopup(popupClient)));
 }
 
 void DOMWindowPagePopup::uninstall(LocalDOMWindow& window)
 {
     pagePopupController(window)->clearPagePopupClient();
     window.removeSupplement(supplementName());
 }
 
 void DOMWindowPagePopup::trace(Visitor* visitor)
 {
     visitor->trace(m_controller);
     WillBeHeapSupplement<LocalDOMWindow>::trace(visitor);
 }
 
 }