Fix virtual/override/final usage in Source/core/layout/.

Source/core/layout/TableLayoutAlgorithmAuto.h

 /*
  * Copyright (C) 2002 Lars Knoll (knoll@kde.org)
  *           (C) 2002 Dirk Mueller (mueller@kde.org)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 33 matching lines @@
 };
 
 enum DistributionDirection {
     StartToEnd,
     EndToStart
 };
 
 class TableLayoutAlgorithmAuto final : public TableLayoutAlgorithm {
 public:
     TableLayoutAlgorithmAuto(LayoutTable*);
-    virtual ~TableLayoutAlgorithmAuto();
+    ~TableLayoutAlgorithmAuto() override;
 
-    virtual void computeIntrinsicLogicalWidths(LayoutUnit& minWidth, LayoutUnit& maxWidth) override;
-    virtual void applyPreferredLogicalWidthQuirks(LayoutUnit& minWidth, LayoutUnit& maxWidth) const override;
-    virtual void layout() override;
-    virtual void willChangeTableLayout() override { }
+    void computeIntrinsicLogicalWidths(LayoutUnit& minWidth, LayoutUnit& maxWidth) override;
+    void applyPreferredLogicalWidthQuirks(LayoutUnit& minWidth, LayoutUnit& maxWidth) const override;
+    void layout() override;
+    void willChangeTableLayout() override { }
 
 private:
     void fullRecalc();
     void recalcColumn(unsigned effCol);
 
     int calcEffectiveLogicalWidth();
     void shrinkColumnWidth(const LengthType&, int& available);
     template<typename Total, LengthType, CellsToProcess, DistributionMode, DistributionDirection> void distributeWidthToColumns(int& available, Total);
 
     void insertSpanCell(LayoutTableCell*);
@@ skipping 24 matching lines @@
 
     Vector<Layout, 4> m_layoutStruct;
     Vector<LayoutTableCell*, 4> m_spanCells;
     bool m_hasPercent : 1;
     mutable bool m_effectiveLogicalWidthDirty : 1;
 };
 
 } // namespace blink
 
 #endif // TableLayoutAlgorithmAuto