Get rid of a redundant function alias lastPositionInNode()

third_party/WebKit/Source/core/editing/commands/DeleteSelectionCommand.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 31 matching lines @@
 #include "core/layout/LayoutTableCell.h"
 #include "core/layout/LayoutText.h"
 
 namespace blink {
 
 using namespace HTMLNames;
 
 static bool isTableCellEmpty(Node* cell)
 {
     DCHECK(isTableCell(cell)) << cell;
-    return VisiblePosition::firstPositionInNode(cell).deepEquivalent() == createVisiblePosition(lastPositionInNode(cell)).deepEquivalent();
+    return VisiblePosition::firstPositionInNode(cell).deepEquivalent() == createVisiblePosition(Position::lastPositionInNode(cell)).deepEquivalent();
 }
 
 static bool isTableRowEmpty(Node* row)
 {
     if (!isHTMLTableRowElement(row))
         return false;
 
     for (Node* child = row->firstChild(); child; child = child->nextSibling()) {
         if (isTableCell(child) && !isTableCellEmpty(child))
             return false;
@@ skipping 329 matching lines @@
         }
         return;
     }
 
     if (node == m_startBlock) {
         VisiblePosition previous = previousPositionOf(VisiblePosition::firstPositionInNode(m_startBlock.get()));
         if (previous.isNotNull() && !isEndOfBlock(previous))
             m_needPlaceholder = true;
     }
     if (node == m_endBlock) {
-        VisiblePosition next = nextPositionOf(createVisiblePosition(lastPositionInNode(m_endBlock.get())));
+        VisiblePosition next = nextPositionOf(createVisiblePosition(Position::lastPositionInNode(m_endBlock.get())));
         if (next.isNotNull() && !isStartOfBlock(next))
             m_needPlaceholder = true;
     }
 
     // FIXME: Update the endpoints of the range being deleted.
     updatePositionForNodeRemoval(m_endingPosition, *node);
     updatePositionForNodeRemoval(m_leadingWhitespace, *node);
     updatePositionForNodeRemoval(m_trailingWhitespace, *node);
 
     CompositeEditCommand::removeNode(node, editingState, shouldAssumeContentIsAlwaysEditable);
@@ skipping 549 matching lines @@
     visitor->trace(m_deleteIntoBlockquoteStyle);
     visitor->trace(m_startRoot);
     visitor->trace(m_endRoot);
     visitor->trace(m_startTableRow);
     visitor->trace(m_endTableRow);
     visitor->trace(m_temporaryPlaceholder);
     CompositeEditCommand::trace(visitor);
 }
 
 } // namespace blink