For local review prior to sending to webkit

page/Frame.cpp

 /*
  * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
  *                     1999 Lars Knoll <knoll@kde.org>
  *                     1999 Antti Koivisto <koivisto@kde.org>
  *                     2000 Simon Hausmann <hausmann@kde.org>
  *                     2000 Stefan Schimanski <1Stein@gmx.de>
  *                     2001 George Staikos <staikos@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2005 Alexey Proskuryakov <ap@nypop.com>
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
@@ skipping 1130 matching lines @@
         return 0;
     ASSERT(object->isRenderView());
     return toRenderView(object);
 }
 
 HTMLFrameOwnerElement* Frame::ownerElement() const
 {
     return m_ownerElement;
 }
 
+Frame* Frame::parentFrame() const
+{
+    return parentFromOwnerElement(ownerElement());
+}
+
 RenderPart* Frame::ownerRenderer() const
 {
     HTMLFrameOwnerElement* ownerElement = m_ownerElement;
     if (!ownerElement)
         return 0;
     RenderObject* object = ownerElement->renderer();
     if (!object)
         return 0;
     // FIXME: If <object> is ever fixed to disassociate itself from frames
     // that it has started but canceled, then this can turn into an ASSERT
@@ skipping 620 matching lines @@
         frameView->setParentVisible(true);
 
     if (ownerRenderer())
         ownerRenderer()->setWidget(frameView);
 
     if (HTMLFrameOwnerElement* owner = ownerElement())
         view()->setCanHaveScrollbars(owner->scrollingMode() != ScrollbarAlwaysOff);
 }
 
 } // namespace WebCore