Turn styleWillChange |newStyle| into a reference

Source/core/rendering/RenderText.h

 /*
  * (C) 1999 Lars Knoll (knoll@kde.org)
  * (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 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.
  *
@@ skipping 135 matching lines @@
     bool knownToHaveNoOverflowAndNoFallbackFonts() const { return m_knownToHaveNoOverflowAndNoFallbackFonts; }
 
     void removeAndDestroyTextBoxes();
 
     PassRefPtr<AbstractInlineTextBox> firstAbstractInlineTextBox();
 
 protected:
     virtual void computePreferredLogicalWidths(float leadWidth);
     virtual void willBeDestroyed() OVERRIDE;
 
-    virtual void styleWillChange(StyleDifference, const RenderStyle*) OVERRIDE FINAL { }
+    virtual void styleWillChange(StyleDifference, const RenderStyle&) OVERRIDE FINAL { }
     virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) OVERRIDE;
 
     virtual void setTextInternal(PassRefPtr<StringImpl>);
     virtual UChar previousCharacter() const;
 
     virtual void addLayerHitTestRects(LayerHitTestRects&, const RenderLayer* currentLayer, const LayoutPoint& layerOffset, const LayoutRect& containerRect) const OVERRIDE;
 
     virtual InlineTextBox* createTextBox(); // Subclassed by SVG.
 
 private:
@@ skipping 64 matching lines @@
 inline void RenderText::checkConsistency() const
 {
 }
 #endif
 
 void applyTextTransform(const RenderStyle*, String&, UChar);
 
 } // namespace WebCore
 
 #endif // RenderText_h