Oilpan: move LiveNodeList collections to the heap.

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 112 matching lines @@
     if (!isHTMLTableElement(tableNode))
         return false;
 
     // Do not consider it a data table if any of its descendants have an ARIA role.
     HTMLTableElement* tableElement = toHTMLTableElement(tableNode);
     if (elementHasAriaRole(tableElement->tHead()))
         return false;
     if (elementHasAriaRole(tableElement->tFoot()))
         return false;
 
-    RefPtr<HTMLCollection> bodies = tableElement->tBodies();
+    RefPtrWillBeRawPtr<HTMLCollection> bodies = tableElement->tBodies();
     for (unsigned bodyIndex = 0; bodyIndex < bodies->length(); ++bodyIndex) {
         Element* bodyElement = bodies->item(bodyIndex);
         if (elementHasAriaRole(bodyElement))
             return false;
     }
 
-    RefPtr<HTMLCollection> rows = tableElement->rows();
+    RefPtrWillBeRawPtr<HTMLCollection> rows = tableElement->rows();
     for (unsigned rowIndex = 0; rowIndex < rows->length(); ++rowIndex) {
         Element* rowElement = rows->item(rowIndex);
         if (elementHasAriaRole(rowElement))
             return false;
         if (rowElement->hasTagName(trTag)) {
             HTMLTableRowElement* row = static_cast<HTMLTableRowElement*>(rowElement);
-            RefPtr<HTMLCollection> cells = row->cells();
+            RefPtrWillBeRawPtr<HTMLCollection> cells = row->cells();
             for (unsigned cellIndex = 0; cellIndex < cells->length(); ++cellIndex) {
                 if (elementHasAriaRole(cells->item(cellIndex)))
                     return false;
             }
         }
     }
 
     // If there is a caption element, summary, THEAD, or TFOOT section, it's most certainly a data table
     if (!tableElement->summary().isEmpty() || tableElement->tHead() || tableElement->tFoot() || tableElement->caption())
         return true;
@@ skipping 413 matching lines @@
     }
 
     // try the standard
     if (title.isEmpty())
         title = AXRenderObject::title();
 
     return title;
 }
 
 } // namespace WebCore