Get rid of a redundant function alias positionBeforeNode()

third_party/WebKit/Source/core/editing/commands/BreakBlockquoteCommand.cpp

 /*
  * Copyright (C) 2005 Apple Computer, 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 95 matching lines @@
     HTMLBRElement* breakElement = HTMLBRElement::create(document());
 
     bool isLastVisPosInNode = isLastVisiblePositionInNode(visiblePos, topBlockquote);
 
     // If the position is at the beginning of the top quoted content, we don't need to break the quote.
     // Instead, insert the break before the blockquote, unless the position is as the end of the the quoted content.
     if (isFirstVisiblePositionInNode(visiblePos, topBlockquote) && !isLastVisPosInNode) {
         insertNodeBefore(breakElement, topBlockquote, editingState);
         if (editingState->isAborted())
             return;
-        setEndingSelection(VisibleSelection(positionBeforeNode(breakElement), TextAffinity::Downstream, endingSelection().isDirectional()));
+        setEndingSelection(VisibleSelection(Position::beforeNode(breakElement), TextAffinity::Downstream, endingSelection().isDirectional()));
         rebalanceWhitespace();
         return;
     }
 
     // Insert a break after the top blockquote.
     insertNodeAfter(breakElement, topBlockquote, editingState);
     if (editingState->isAborted())
         return;
 
     // If we're inserting the break at the end of the quoted content, we don't need to break the quote.
     if (isLastVisPosInNode) {
-        setEndingSelection(VisibleSelection(positionBeforeNode(breakElement), TextAffinity::Downstream, endingSelection().isDirectional()));
+        setEndingSelection(VisibleSelection(Position::beforeNode(breakElement), TextAffinity::Downstream, endingSelection().isDirectional()));
         rebalanceWhitespace();
         return;
     }
 
     // Don't move a line break just after the caret.  Doing so would create an extra, empty paragraph
     // in the new blockquote.
     if (lineBreakExistsAtVisiblePosition(visiblePos)) {
         pos = nextPositionOf(pos, PositionMoveType::GraphemeCluster);
     }
 
@@ skipping 90 matching lines @@
                 return;
         }
     }
 
     // Make sure the cloned block quote renders.
     addBlockPlaceholderIfNeeded(clonedBlockquote, editingState);
     if (editingState->isAborted())
         return;
 
     // Put the selection right before the break.
-    setEndingSelection(VisibleSelection(positionBeforeNode(breakElement), TextAffinity::Downstream, endingSelection().isDirectional()));
+    setEndingSelection(VisibleSelection(Position::beforeNode(breakElement), TextAffinity::Downstream, endingSelection().isDirectional()));
     rebalanceWhitespace();
 }
 
 } // namespace blink