Update rendering classes to use OVERRIDE / FINAL when needed

Source/core/rendering/RenderTextControlMultiLine.h

 /*
  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2009 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.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 16 matching lines @@
 namespace WebCore {
 
 class HTMLTextAreaElement;
 
 class RenderTextControlMultiLine FINAL : public RenderTextControl {
 public:
     RenderTextControlMultiLine(HTMLTextAreaElement*);
     virtual ~RenderTextControlMultiLine();
 
 private:
-    virtual bool isTextArea() const { return true; }
+    virtual bool isTextArea() const OVERRIDE { return true; }
 
     virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) OVERRIDE;
 
-    virtual float getAvgCharWidth(AtomicString family);
-    virtual LayoutUnit preferredContentLogicalWidth(float charWidth) const;
+    virtual float getAvgCharWidth(AtomicString family) OVERRIDE;
+    virtual LayoutUnit preferredContentLogicalWidth(float charWidth) const OVERRIDE;
     virtual LayoutUnit computeControlLogicalHeight(LayoutUnit lineHeight, LayoutUnit nonContentHeight) const OVERRIDE;
     // We override the two baseline functions because we want our baseline to be the bottom of our margin box.
     virtual int baselinePosition(FontBaseline, bool firstLine, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const OVERRIDE;
     virtual int inlineBlockBaseline(LineDirectionMode) const OVERRIDE { return -1; }
 
-    virtual PassRefPtr<RenderStyle> createInnerTextStyle(const RenderStyle* startStyle) const;
-    virtual RenderObject* layoutSpecialExcludedChild(bool relayoutChildren, SubtreeLayoutScope&);
+    virtual PassRefPtr<RenderStyle> createInnerTextStyle(const RenderStyle* startStyle) const OVERRIDE;
+    virtual RenderObject* layoutSpecialExcludedChild(bool relayoutChildren, SubtreeLayoutScope&) OVERRIDE;
 };
 
 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderTextControlMultiLine, isTextArea());
 
 }
 
 #endif