Make <iframe> containing SVG behave as every other <iframe>

Source/core/rendering/RenderPart.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Simon Hausmann <hausmann@kde.org>
  *           (C) 2000 Stefan Schimanski (1Stein@gmx.de)
  * Copyright (C) 2004, 2005, 2006, 2009 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
  *
  * 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
@@ skipping 70 matching lines @@
     return false;
 }
 
 bool RenderPart::needsPreferredWidthsRecalculation() const
 {
     if (RenderWidget::needsPreferredWidthsRecalculation())
         return true;
     return embeddedContentBox();
 }
 
-RenderBox* RenderPart::embeddedContentBox() const
-{
-    if (!node() || !widget() || !widget()->isFrameView())
-        return 0;
-    return toFrameView(widget())->embeddedContentBox();
-}
-
 bool RenderPart::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction action)
 {
     if (!widget() || !widget()->isFrameView() || !request.allowsChildFrameContent())
         return RenderWidget::nodeAtPoint(request, result, locationInContainer, accumulatedOffset, action);
 
     // FIXME: Until RemoteFrames use RemoteFrameViews, we need an explicit check here.
     if (toFrameView(widget())->frame().isRemoteFrameTemporary())
         return RenderWidget::nodeAtPoint(request, result, locationInContainer, accumulatedOffset, action);
 
     FrameView* childFrameView = toFrameView(widget());
@@ skipping 30 matching lines @@
 }
 
 CompositingReasons RenderPart::additionalCompositingReasons(CompositingTriggerFlags) const
 {
     if (requiresAcceleratedCompositing())
         return CompositingReasonIFrame;
     return CompositingReasonNone;
 }
 
 }