Remove the Vector::append overload that takes a Vector

Source/core/accessibility/AXTable.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 421 matching lines @@
 void AXTable::cells(AXObject::AccessibilityChildrenVector& cells)
 {
     if (!m_renderer)
         return;
 
     updateChildrenIfNecessary();
 
     int numRows = m_rows.size();
     for (int row = 0; row < numRows; ++row) {
         AccessibilityChildrenVector rowChildren = m_rows[row]->children();
-        cells.append(rowChildren);
+        cells.appendVector(rowChildren);
     }
 }
 
 unsigned AXTable::columnCount()
 {
     updateChildrenIfNecessary();
 
     return m_columns.size();
 }
 
@@ skipping 89 matching lines @@
     }
 
     // try the standard
     if (title.isEmpty())
         title = AXRenderObject::title();
 
     return title;
 }
 
 } // namespace WebCore