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

Source/core/layout/LayoutFileUploadControl.h

 /*
  * Copyright (C) 2006, 2007, 2009, 2012 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,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 17 matching lines @@
 
 class HTMLInputElement;
 
 // Each LayoutFileUploadControl contains a LayoutButton (for opening the file chooser), and
 // sufficient space to draw a file icon and filename. The LayoutButton has a shadow node
 // associated with it to receive click/hover events.
 
 class CORE_EXPORT LayoutFileUploadControl final : public LayoutBlockFlow {
 public:
     LayoutFileUploadControl(HTMLInputElement*);
-    virtual ~LayoutFileUploadControl();
+    ~LayoutFileUploadControl() override;
 
-    virtual bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectFileUploadControl || LayoutBlockFlow::isOfType(type); }
+    bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectFileUploadControl || LayoutBlockFlow::isOfType(type); }
 
     String buttonValue();
     String fileTextValue() const;
 
     HTMLInputElement* uploadButton() const;
     int uploadButtonWidth();
 
     static const int afterButtonSpacing = 4;
 
-    virtual const char* name() const override { return "LayoutFileUploadControl"; }
+    const char* name() const override { return "LayoutFileUploadControl"; }
 
 private:
-    virtual void updateFromElement() override;
-    virtual void computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, LayoutUnit& maxLogicalWidth) const override;
-    virtual void computePreferredLogicalWidths() override;
-    virtual void paintObject(const PaintInfo&, const LayoutPoint&) override;
+    void updateFromElement() override;
+    void computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, LayoutUnit& maxLogicalWidth) const override;
+    void computePreferredLogicalWidths() override;
+    void paintObject(const PaintInfo&, const LayoutPoint&) override;
 
     int maxFilenameWidth() const;
 
-    virtual PositionWithAffinity positionForPoint(const LayoutPoint&) override;
+    PositionWithAffinity positionForPoint(const LayoutPoint&) override;
 
     bool m_canReceiveDroppedFiles;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutFileUploadControl, isFileUploadControl());
 
 } // namespace blink
 
 #endif // LayoutFileUploadControl_h