Get rid of a redundant function alias positionBeforeNode()

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

 /*
  * Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google 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 103 matching lines @@
     Position start = mostForwardCaretPosition(startOfSelection.deepEquivalent());
     if (isAtUnsplittableElement(start)) {
         HTMLElement* blockquote = createBlockElement();
         insertNodeAt(blockquote, start, editingState);
         if (editingState->isAborted())
             return;
         HTMLBRElement* placeholder = HTMLBRElement::create(document());
         appendNode(placeholder, blockquote, editingState);
         if (editingState->isAborted())
             return;
-        setEndingSelection(VisibleSelection(positionBeforeNode(placeholder), TextAffinity::Downstream, endingSelection().isDirectional()));
+        setEndingSelection(VisibleSelection(Position::beforeNode(placeholder), TextAffinity::Downstream, endingSelection().isDirectional()));
         return;
     }
 
     HTMLElement* blockquoteForNextIndent = nullptr;
     VisiblePosition endOfCurrentParagraph = endOfParagraph(startOfSelection);
     VisiblePosition endOfLastParagraph = endOfParagraph(endOfSelection);
     VisiblePosition endAfterSelection = endOfParagraph(nextPositionOf(endOfLastParagraph));
     m_endOfLastParagraph = endOfLastParagraph.deepEquivalent();
 
     bool atEnd = false;
@@ skipping 166 matching lines @@
     return element;
 }
 
 DEFINE_TRACE(ApplyBlockElementCommand)
 {
     visitor->trace(m_endOfLastParagraph);
     CompositeEditCommand::trace(visitor);
 }
 
 } // namespace blink