Migrate WTF::HashSet::add() to ::insert() [part 1 of N]

third_party/WebKit/Source/modules/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 401 matching lines @@
       AXTableRow* row = toAXTableRow(rowObject);
       // We need to check every cell for a new row, because cell spans
       // can cause us to miss rows if we just check the first column.
       if (appendedRows.contains(row))
         continue;
 
       row->setRowIndex(static_cast<int>(m_rows.size()));
       m_rows.push_back(row);
       if (!row->accessibilityIsIgnored())
         m_children.push_back(row);
-      appendedRows.add(row);
+      appendedRows.insert(row);
     }
 
     tableSection = table->sectionBelow(tableSection, SkipEmptySections);
   }
 
   // make the columns based on the number of columns in the first body
   unsigned length = initialTableSection->numEffectiveColumns();
   for (unsigned i = 0; i < length; ++i) {
     AXTableColumn* column = toAXTableColumn(axCache.getOrCreate(ColumnRole));
     column->setColumnIndex((int)i);
@@ skipping 171 matching lines @@
 }
 
 DEFINE_TRACE(AXTable) {
   visitor->trace(m_rows);
   visitor->trace(m_columns);
   visitor->trace(m_headerContainer);
   AXLayoutObject::trace(visitor);
 }
 
 }  // namespace blink