Get rid of a redundant function alias positionBeforeNode()

third_party/WebKit/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 261 matching lines @@
     ContainerNode* highestRoot = highestEditableRoot(visiblePosition.deepEquivalent(), editableType);
     Node* previousNode = previousLeafWithSameEditability(node, editableType);
 
     while (previousNode && (!previousNode->layoutObject() || inSameLine(createVisiblePosition(firstPositionInOrBeforeNode(previousNode)), visiblePosition)))
         previousNode = previousLeafWithSameEditability(previousNode, editableType);
 
     while (previousNode && !previousNode->isShadowRoot()) {
         if (highestEditableRoot(firstPositionInOrBeforeNode(previousNode), editableType) != highestRoot)
             break;
 
-        Position pos = isHTMLBRElement(*previousNode) ? positionBeforeNode(previousNode) :
+        Position pos = isHTMLBRElement(*previousNode) ? Position::beforeNode(previousNode) :
             Position::editingPositionOf(previousNode, caretMaxOffset(previousNode));
 
         if (isVisuallyEquivalentCandidate(pos))
             return pos;
 
         previousNode = previousLeafWithSameEditability(previousNode, editableType);
     }
     return Position();
 }
 
@@ skipping 2958 matching lines @@
 {
     return previousPositionOfAlgorithm<EditingStrategy>(visiblePosition, rule);
 }
 
 VisiblePositionInFlatTree previousPositionOf(const VisiblePositionInFlatTree& visiblePosition, EditingBoundaryCrossingRule rule)
 {
     return previousPositionOfAlgorithm<EditingInFlatTreeStrategy>(visiblePosition, rule);
 }
 
 } // namespace blink