Cleanup <static_cast>: Switch to toFoo for Accessibility Objects.

Source/core/accessibility/AccessibilityTable.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 336 matching lines @@
         for (unsigned rowIndex = 0; rowIndex < numRows; ++rowIndex) {
 
             RenderTableRow* renderRow = tableSection->rowRendererAt(rowIndex);
             if (!renderRow)
                 continue;
 
             AccessibilityObject* rowObject = axCache->getOrCreate(renderRow);
             if (!rowObject->isTableRow())
                 continue;
 
-            AccessibilityTableRow* row = static_cast<AccessibilityTableRow*>(rowObject);
+            AccessibilityTableRow* row = toAccessibilityTableRow(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.append(row);
             if (!row->accessibilityIsIgnored())
                 m_children.append(row);
             appendedRows.add(row);
         }
 
         tableSection = table->sectionBelow(tableSection, SkipEmptySections);
     }
 
     // make the columns based on the number of columns in the first body
     unsigned length = initialTableSection->numColumns();
     for (unsigned i = 0; i < length; ++i) {
-        AccessibilityTableColumn* column = static_cast<AccessibilityTableColumn*>(axCache->getOrCreate(ColumnRole));
+        AccessibilityTableColumn* column = toAccessibilityTableColumn(axCache->getOrCreate(ColumnRole));
         column->setColumnIndex((int)i);
         column->setParent(this);
         m_columns.append(column);
         if (!column->accessibilityIsIgnored())
             m_children.append(column);
     }
 
     AccessibilityObject* headerContainerObject = headerContainer();
     if (headerContainerObject && !headerContainerObject->accessibilityIsIgnored())
         m_children.append(headerContainerObject);
@@ skipping 27 matching lines @@
 
 void AccessibilityTable::columnHeaders(AccessibilityChildrenVector& headers)
 {
     if (!m_renderer)
         return;
 
     updateChildrenIfNecessary();
 
     unsigned colCount = m_columns.size();
     for (unsigned k = 0; k < colCount; ++k) {
-        AccessibilityObject* header = static_cast<AccessibilityTableColumn*>(m_columns[k].get())->headerObject();
+        AccessibilityObject* header = toAccessibilityTableColumn(m_columns[k].get())->headerObject();
         if (!header)
             continue;
         headers.append(header);
     }
 }
 
 void AccessibilityTable::cells(AccessibilityObject::AccessibilityChildrenVector& cells)
 {
     if (!m_renderer)
         return;
@@ skipping 46 matching lines @@
         // cell to determine which is the right one.
         for (unsigned colIndexCounter = std::min(static_cast<unsigned>(children.size()), column + 1); colIndexCounter > 0; --colIndexCounter) {
             unsigned colIndex = colIndexCounter - 1;
             AccessibilityObject* child = children[colIndex].get();
             ASSERT(child->isTableCell());
             if (!child->isTableCell())
                 continue;
 
             pair<unsigned, unsigned> columnRange;
             pair<unsigned, unsigned> rowRange;
-            AccessibilityTableCell* tableCellChild = static_cast<AccessibilityTableCell*>(child);
+            AccessibilityTableCell* tableCellChild = toAccessibilityTableCell(child);
             tableCellChild->columnIndexRange(columnRange);
             tableCellChild->rowIndexRange(rowRange);
 
             if ((column >= columnRange.first && column < (columnRange.first + columnRange.second))
                 && (row >= rowRange.first && row < (rowRange.first + rowRange.second)))
                 return tableCellChild;
         }
     }
 
     return 0;
@@ skipping 39 matching lines @@
     }
 
     // try the standard
     if (title.isEmpty())
         title = AccessibilityRenderObject::title();
 
     return title;
 }
 
 } // namespace WebCore