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

Source/core/rendering/RenderReplaced.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2009 Apple Inc. 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
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 49 matching lines @@
     bool isSelected() const;
 
     virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) OVERRIDE;
 
     void setIntrinsicSize(const LayoutSize& intrinsicSize) { m_intrinsicSize = intrinsicSize; }
     virtual void intrinsicSizeChanged();
 
     virtual void paint(PaintInfo&, const LayoutPoint&) OVERRIDE;
     bool shouldPaint(PaintInfo&, const LayoutPoint&);
     LayoutRect localSelectionRect(bool checkWhetherSelected = true) const; // This is in local coordinates, but it's a physical rect (so the top left corner is physical top left).
+    virtual RenderBox* embeddedContentBox() const { return 0; }
 
 private:
-    virtual RenderBox* embeddedContentBox() const { return 0; }
     virtual const char* renderName() const OVERRIDE { return "RenderReplaced"; }
 
     virtual bool canHaveChildren() const OVERRIDE { return false; }
 
     virtual void computePreferredLogicalWidths() OVERRIDE FINAL;
     virtual void paintReplaced(PaintInfo&, const LayoutPoint&) { }
 
     virtual LayoutRect clippedOverflowRectForRepaint(const RenderLayerModelObject* repaintContainer) const OVERRIDE;
 
     virtual PositionWithAffinity positionForPoint(const LayoutPoint&) OVERRIDE FINAL;
 
     virtual bool canBeSelectionLeaf() const OVERRIDE { return true; }
 
     virtual LayoutRect selectionRectForRepaint(const RenderLayerModelObject* repaintContainer, bool clipToVisibleContent = true) OVERRIDE FINAL;
     void computeAspectRatioInformationForRenderBox(RenderBox*, FloatSize& constrainedSize, double& intrinsicRatio) const;
 
     mutable LayoutSize m_intrinsicSize;
 };
 
 }
 
 #endif