Get rid of a redundant function Position::deprecatedEditingOffset()

Source/core/editing/VisibleUnits.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 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 1523 matching lines @@
         return false;
 
     if (layoutObject->style()->visibility() != VISIBLE
         || posLayoutObject->style()->visibility() != VISIBLE)
         return false;
 
     if (position1.anchorNode() == position2.anchorNode()) {
         if (isHTMLBRElement(*position1.anchorNode()))
             return false;
 
-        if (position1.deprecatedEditingOffset() == position2.deprecatedEditingOffset())
+        if (position1.computeEditingOffset() == position2.computeEditingOffset())
             return false;
 
         if (!position1.anchorNode()->isTextNode() && !position2.anchorNode()->isTextNode())
             return true;
     }
 
     if (isHTMLBRElement(*position1.anchorNode()) && position2.isCandidate())
         return true;
 
     if (isHTMLBRElement(*position2.anchorNode()) && position1.isCandidate())
@@ skipping 40 matching lines @@
 
     if (previousRenderedEditable(position1.anchorNode()) == position2.anchorNode()
         && !renderedOffset1 && renderedOffset2 == caretMaxOffset(position2.anchorNode())) {
         return false;
     }
 
     return true;
 }
 
 }