Removed parameter that is always true.

Source/core/rendering/svg/SVGRootInlineBox.h

 /*
  * Copyright (C) 2006 Oliver Hunt <ojh16@student.canterbury.ac.nz>
  * Copyright (C) 2006 Apple Computer Inc.
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) Research In Motion Limited 2010. 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.
@@ skipping 28 matching lines @@
     {
     }
 
     virtual bool isSVGRootInlineBox() const OVERRIDE { return true; }
 
     virtual float virtualLogicalHeight() const OVERRIDE { return m_logicalHeight; }
     void setLogicalHeight(float height) { m_logicalHeight = height; }
 
     virtual void paint(PaintInfo&, const LayoutPoint&, LayoutUnit lineTop, LayoutUnit lineBottom) OVERRIDE;
 
-    virtual void markDirty(bool dirty = true) OVERRIDE;
+    virtual void markDirty() OVERRIDE;
 
     void computePerCharacterLayoutInformation();
 
     InlineBox* closestLeafChildForPosition(const LayoutPoint&);
 
 private:
     void reorderValueLists(Vector<SVGTextLayoutAttributes*>&);
     void layoutCharactersInTextBoxes(InlineFlowBox*, SVGTextLayoutEngine&);
     void layoutChildBoxes(InlineFlowBox*, FloatRect* = 0);
     void layoutRootBox(const FloatRect&);
 
 private:
     float m_logicalHeight;
 };
 
 DEFINE_INLINE_BOX_TYPE_CASTS(SVGRootInlineBox);
 
 } // namespace WebCore
 
 #endif // SVGRootInlineBox_h