WTF/std normalization: replace WTF::Vector::last with ::back

third_party/WebKit/Source/modules/accessibility/AXTableColumn.cpp

 /*
  * Copyright (C) 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
@@ skipping 119 matching lines @@
 
   AXTable* parentTable = toAXTable(m_parent);
   int numRows = parentTable->rowCount();
 
   for (int i = 0; i < numRows; i++) {
     AXTableCell* cell = parentTable->cellForColumnAndRow(m_columnIndex, i);
     if (!cell)
       continue;
 
     // make sure the last one isn't the same as this one (rowspan cells)
-    if (m_children.size() > 0 && m_children.last() == cell)
+    if (m_children.size() > 0 && m_children.back() == cell)
       continue;
 
     m_children.append(cell);
   }
 }
 
 }  // namespace blink