Reduce how often LayoutSVGShape::updateShapeFromElement is called

Source/core/layout/svg/LayoutSVGPath.h

 /*
  * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
  * Copyright (C) 2005 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2006 Apple Computer, Inc
  * Copyright (C) 2009 Google, Inc.
  * Copyright (C) 2011 Renata Hodovan <reni@webkit.org>
  * Copyright (C) 2011 University of Szeged
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 25 matching lines @@
     virtual ~LayoutSVGPath();
 
     virtual const Vector<MarkerPosition>* markerPositions() const override { return &m_markerPositions; }
 
     virtual const Vector<FloatPoint>* zeroLengthLineCaps() const override { return &m_zeroLengthLinecapLocations; }
     static FloatRect zeroLengthSubpathRect(const FloatPoint&, float);
 
     virtual const char* name() const override { return "LayoutSVGPath"; }
 
 private:
-    virtual void updateShapeFromElement() override;
+    void updateShapeFromElement() override;
+    void updateStrokeAndFillBoundingBoxes() override;
+
     virtual FloatRect hitTestStrokeBoundingBox() const override;
-    FloatRect calculateUpdatedStrokeBoundingBox() const;
 
     virtual bool shapeDependentStrokeContains(const FloatPoint&) override;
 
     FloatRect markerRect(float strokeWidth) const;
     bool shouldGenerateMarkerPositions() const;
     void processMarkerPositions();
 
     bool shouldStrokeZeroLengthSubpath() const;
     void updateZeroLengthSubpaths();
 
     Vector<MarkerPosition> m_markerPositions;
     Vector<FloatPoint> m_zeroLengthLinecapLocations;
 };
 
 }
 
 #endif