Implement canHaveWhitespaceChildren on RenderSVG{Root,ModelObject}

Source/core/rendering/svg/RenderSVGModelObject.h

 /*
  * Copyright (c) 2009, 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 32 matching lines @@
 // required by SVG renders need to be declared on RenderObject, but shared
 // logic can go in this class or in SVGRenderSupport.
 
 class SVGElement;
 
 class RenderSVGModelObject : public RenderObject {
 public:
     explicit RenderSVGModelObject(SVGElement*);
 
     virtual bool isChildAllowed(RenderObject*, RenderStyle*) const OVERRIDE;
+    virtual bool canHaveWhitespaceChildren() const OVERRIDE { return false; }
 
     virtual LayoutRect clippedOverflowRectForRepaint(const RenderLayerModelObject* repaintContainer) const OVERRIDE;
     virtual void computeFloatRectForRepaint(const RenderLayerModelObject* repaintContainer, FloatRect&, bool fixed = false) const OVERRIDE FINAL;
     virtual LayoutRect outlineBoundsForRepaint(const RenderLayerModelObject* repaintContainer, const RenderGeometryMap*) const OVERRIDE FINAL;
 
     virtual void absoluteRects(Vector<IntRect>&, const LayoutPoint& accumulatedOffset) const OVERRIDE FINAL;
     virtual void absoluteQuads(Vector<FloatQuad>&, bool* wasFixed) const OVERRIDE;
 
     virtual void mapLocalToContainer(const RenderLayerModelObject* repaintContainer, TransformState&, MapCoordinatesFlags = ApplyContainerFlip, bool* wasFixed = 0) const OVERRIDE FINAL;
     virtual const RenderObject* pushMappingToContainer(const RenderLayerModelObject* ancestorToStopAt, RenderGeometryMap&) const OVERRIDE FINAL;
@@ skipping 17 matching lines @@
     void node() const WTF_DELETED_FUNCTION;
 
     // This method should never be called, SVG uses a different nodeAtPoint method
     virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) OVERRIDE FINAL;
     virtual void absoluteFocusRingQuads(Vector<FloatQuad>&) OVERRIDE FINAL;
 };
 
 }
 
 #endif