Remove debugPosition() functions.

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

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Portions Copyright (c) 2011 Motorola Mobility, 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
@@ skipping 116 matching lines @@
 }
 
 VisiblePositionInFlatTree createVisiblePosition(const PositionInFlatTreeWithAffinity& positionWithAffinity)
 {
     return VisiblePositionInFlatTree::create(positionWithAffinity);
 }
 
 #ifndef NDEBUG
 
 template<typename Strategy>
-void VisiblePositionTemplate<Strategy>::debugPosition(const char* msg) const
-{
-    if (isNull()) {
-        fprintf(stderr, "Position [%s]: null\n", msg);
-        return;
-    }
-    deepEquivalent().debugPosition(msg);
-}
-
-template<typename Strategy>
 void VisiblePositionTemplate<Strategy>::showTreeForThis() const
 {
     deepEquivalent().showTreeForThis();
 }
 
 #endif
 
 template class CORE_TEMPLATE_EXPORT VisiblePositionTemplate<EditingStrategy>;
 template class CORE_TEMPLATE_EXPORT VisiblePositionTemplate<EditingInFlatTreeStrategy>;
 
@@ skipping 19 matching lines @@
     }
     DVLOG(0) << "Cannot showTree for (nil) VisiblePosition.";
 }
 
 void showTree(const blink::VisiblePosition& vpos)
 {
     vpos.showTreeForThis();
 }
 
 #endif