Get rid of a redundant function alias positionBeforeNode()

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

 /*
  * Copyright (C) 2004, 2005, 2006, 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 455 matching lines @@
 
     switch (position.anchorType()) {
     case PositionAnchorType::AfterChildren:
         // FIXME: When anchorNode is <img>, assertion fails in the constructor.
         return Position(anchorNode, PositionAnchorType::AfterChildren);
     case PositionAnchorType::AfterAnchor:
         return Position::afterNode(anchorNode);
     case PositionAnchorType::BeforeChildren:
         return Position(anchorNode, PositionAnchorType::BeforeChildren);
     case PositionAnchorType::BeforeAnchor:
-        return positionBeforeNode(anchorNode);
+        return Position::beforeNode(anchorNode);
     case PositionAnchorType::OffsetInAnchor: {
         int offset = position.offsetInContainerNode();
         if (anchorNode->offsetInCharacters())
             return Position(anchorNode, offset);
         Node* child = FlatTreeTraversal::childAt(*anchorNode, offset);
         if (child)
             return Position(child->parentNode(), child->nodeIndex());
         if (!position.offsetInContainerNode())
             return Position(anchorNode, PositionAnchorType::BeforeChildren);
 
@@ skipping 124 matching lines @@
 
 void showTree(const blink::Position* pos)
 {
     if (pos)
         pos->showTreeForThis();
     else
         fprintf(stderr, "Cannot showTree for (nil)\n");
 }
 
 #endif