Get rid of a redundant function alias positionBeforeNode()

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

 /*
  * Copyright (C) 2005, 2006, 2007, 2008 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 1467 matching lines @@
     // Only move forward if there's nothing before the caret, or if there's unquoted content before it.
     if (enclosingNodeOfType(previous.deepEquivalent(), &isMailHTMLBlockquoteElement))
         return false;
 
     HTMLBRElement* br = HTMLBRElement::create(document());
     // We want to replace this quoted paragraph with an unquoted one, so insert a br
     // to hold the caret before the highest blockquote.
     insertNodeBefore(br, highestBlockquote, editingState);
     if (editingState->isAborted())
         return false;
-    VisiblePosition atBR = createVisiblePosition(positionBeforeNode(br));
+    VisiblePosition atBR = createVisiblePosition(Position::beforeNode(br));
     // If the br we inserted collapsed, for example foo<br><blockquote>...</blockquote>, insert
     // a second one.
     if (!isStartOfParagraph(atBR)) {
         insertNodeBefore(HTMLBRElement::create(document()), br, editingState);
         if (editingState->isAborted())
             return false;
     }
     setEndingSelection(VisibleSelection(atBR, endingSelection().isDirectional()));
 
     // If this is an empty paragraph there must be a line break here.
@@ skipping 118 matching lines @@
 }
 
 DEFINE_TRACE(CompositeEditCommand)
 {
     visitor->trace(m_commands);
     visitor->trace(m_composition);
     EditCommand::trace(visitor);
 }
 
 } // namespace blink