Rendering API cleanup

Source/core/rendering/RenderLayerReflectionInfo.h

 /*
  * Copyright (C) 2003, 2009, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Intel Corporation. All rights reserved.
  *
  * Portions are Copyright (C) 1998 Netscape Communications Corporation.
  *
  * Other contributors:
  *   Robert O'Callahan <roc+@cs.cmu.edu>
  *   David Baron <dbaron@fas.harvard.edu>
  *   Christian Biesinger <cbiesinger@web.de>
@@ skipping 52 matching lines @@
 
     RenderReplica* reflection() const { return m_reflection; }
     RenderLayer* reflectionLayer() const;
 
     bool isPaintingInsideReflection() const { return m_isPaintingInsideReflection; }
 
     void updateAfterStyleChange(const RenderStyle* oldStyle);
 
     void paint(GraphicsContext*, const LayerPaintingInfo&, PaintLayerFlags);
 
-    String debugName() const;
-
 private:
     RenderBox& box() { return *m_box; }
     const RenderBox& box() const { return *m_box; }
 
     RawPtrWillBeMember<RenderBox> m_box;
     RawPtrWillBeMember<RenderReplica> m_reflection;
 
     // A state bit tracking if we are painting inside a replica.
     unsigned m_isPaintingInsideReflection : 1;
 };
 
 } // namespace blink
 
 #endif // RenderLayerReflectinInfo_h