Remove debugPosition() functions.

third_party/WebKit/Source/core/editing/VisiblePosition.h

 /*
  * Copyright (C) 2004, 2008 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 86 matching lines @@
     static VisiblePositionTemplate<Strategy> inParentAfterNode(const Node&);
     static VisiblePositionTemplate<Strategy> inParentBeforeNode(const Node&);
     static VisiblePositionTemplate<Strategy> lastPositionInNode(Node*);
 
     DEFINE_INLINE_TRACE()
     {
         visitor->trace(m_positionWithAffinity);
     }
 
 #ifndef NDEBUG
-    void debugPosition(const char* msg = "") const;
     void showTreeForThis() const;
 #endif
 
 private:
     explicit VisiblePositionTemplate(const PositionWithAffinityTemplate<Strategy>&);
 
     PositionWithAffinityTemplate<Strategy> m_positionWithAffinity;
 };
 
 extern template class CORE_EXTERN_TEMPLATE_EXPORT VisiblePositionTemplate<EditingStrategy>;
@@ skipping 12 matching lines @@
 
 } // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showTree(const blink::VisiblePosition*);
 void showTree(const blink::VisiblePosition&);
 #endif
 
 #endif // VisiblePosition_h