Remove more dead code from accessibility/ folder

Source/core/accessibility/AXARIAGridRow.cpp

 /*
  * Copyright (C) 2009 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 39 matching lines @@
 
 bool AXARIAGridRow::isARIATreeGridRow() const
 {
     AXObject* parent = parentTable();
     if (!parent)
         return false;
 
     return parent->ariaRoleAttribute() == TreeGridRole;
 }
 
-void AXARIAGridRow::disclosedRows(AccessibilityChildrenVector& disclosedRows)
-{
-    // The contiguous disclosed rows will be the rows in the table that
-    // have an aria-level of plus 1 from this row.
-    AXObject* parent = parentObjectUnignored();
-    if (!parent || !parent->isAXTable())
-        return;
-
-    // Search for rows that match the correct level.
-    // Only take the subsequent rows from this one that are +1 from this row's level.
-    int index = rowIndex();
-    if (index < 0)
-        return;
-
-    unsigned level = hierarchicalLevel();
-    AccessibilityChildrenVector& allRows = toAXTable(parent)->rows();
-    int rowCount = allRows.size();
-    for (int k = index + 1; k < rowCount; ++k) {
-        AXObject* row = allRows[k].get();
-        // Stop at the first row that doesn't match the correct level.
-        if (row->hierarchicalLevel() != level + 1)
-            break;
-
-        disclosedRows.append(row);
-    }
-}
-
-AXObject* AXARIAGridRow::disclosedByRow() const
-{
-    // The row that discloses this one is the row in the table
-    // that is aria-level subtract 1 from this row.
-    AXObject* parent = parentObjectUnignored();
-    if (!parent || !parent->isAXTable())
-        return 0;
-
-    // If the level is 1 or less, than nothing discloses this row.
-    unsigned level = hierarchicalLevel();
-    if (level <= 1)
-        return 0;
-
-    // Search for the previous row that matches the correct level.
-    int index = rowIndex();
-    AccessibilityChildrenVector& allRows = toAXTable(parent)->rows();
-    int rowCount = allRows.size();
-    if (index >= rowCount)
-        return 0;
-
-    for (int k = index - 1; k >= 0; --k) {
-        AXObject* row = allRows[k].get();
-        if (row->hierarchicalLevel() == level - 1)
-            return row;
-    }
-
-    return 0;
-}
-
 AXObject* AXARIAGridRow::headerObject()
 {
     AccessibilityChildrenVector rowChildren = children();
     unsigned childrenCount = rowChildren.size();
     for (unsigned i = 0; i < childrenCount; ++i) {
         AXObject* cell = rowChildren[i].get();
         if (cell->ariaRoleAttribute() == RowHeaderRole)
             return cell;
     }
 
     return 0;
 }
 
 } // namespace WebCore