Update more core classes to use OVERRIDE / FINAL when needed

Source/core/rendering/RenderBlock.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  *
  * 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, or (at your option) any later version.
@@ skipping 86 matching lines @@
     LayoutUnit minLineHeightForReplacedRenderer(bool isFirstLine, LayoutUnit replacedHeight) const;
 
     RenderLineBoxList* lineBoxes() { return &m_lineBoxes; }
 
     InlineFlowBox* firstLineBox() const { return m_lineBoxes.firstLineBox(); }
     InlineFlowBox* lastLineBox() const { return m_lineBoxes.lastLineBox(); }
 
     // FIXME-BLOCKFLOW: Remove virtualizaion when all callers have moved to RenderBlockFlow
     virtual void deleteLineBoxTree();
 
-    virtual void addChild(RenderObject* newChild, RenderObject* beforeChild = 0);
-    virtual void removeChild(RenderObject*);
+    virtual void addChild(RenderObject* newChild, RenderObject* beforeChild = 0) OVERRIDE;
+    virtual void removeChild(RenderObject*) OVERRIDE;
 
     virtual void layoutBlock(bool relayoutChildren, LayoutUnit pageLogicalHeight = 0);
 
     void insertPositionedObject(RenderBox*);
     static void removePositionedObject(RenderBox*);
     void removePositionedObjects(RenderBlock*, ContainingBlockState = SameContainingBlock);
 
     TrackedRendererListHashSet* positionedObjects() const;
     bool hasPositionedObjects() const
     {
@@ skipping 230 matching lines @@
     virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) OVERRIDE;
 
     virtual void computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, LayoutUnit& maxLogicalWidth) const OVERRIDE;
     virtual void computePreferredLogicalWidths() OVERRIDE;
     void adjustIntrinsicLogicalWidthsForColumns(LayoutUnit& minLogicalWidth, LayoutUnit& maxLogicalWidth) const;
 
     virtual int firstLineBoxBaseline() const OVERRIDE;
     virtual int inlineBlockBaseline(LineDirectionMode) const OVERRIDE;
     int lastLineBoxBaseline(LineDirectionMode) const;
 
-    virtual void updateHitTestResult(HitTestResult&, const LayoutPoint&);
+    virtual void updateHitTestResult(HitTestResult&, const LayoutPoint&) OVERRIDE;
 
     // Delay update scrollbar until finishDelayRepaint() will be
     // called. This function is used when a flexbox is laying out its
     // descendant. If multiple calls are made to startDelayRepaint(),
     // finishDelayRepaint() will do nothing until finishDelayRepaint()
     // is called the same number of times.
     static void startDelayUpdateScrollInfo();
     static void finishDelayUpdateScrollInfo();
 
     void updateScrollInfoAfterLayout();
@@ skipping 273 matching lines @@
             return false;
     }
     return true;
 }
 
 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderBlock, isRenderBlock());
 
 } // namespace WebCore
 
 #endif // RenderBlock_h