Fix virtual/override/final usage in Source/web/.

Source/web/WebFontImpl.h

 /*
  * Copyright (C) 2010 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 25 matching lines @@
 #include "public/web/WebFont.h"
 
 namespace blink {
 
 class FontDescription;
 
 class WebFontImpl final : public WebFont {
 public:
     explicit WebFontImpl(const FontDescription&);
 
-    virtual WebFontDescription fontDescription() const override;
+    WebFontDescription fontDescription() const override;
 
-    virtual int ascent() const override;
-    virtual int descent() const override;
-    virtual int height() const override;
-    virtual int lineSpacing() const override;
-    virtual float xHeight() const override;
+    int ascent() const override;
+    int descent() const override;
+    int height() const override;
+    int lineSpacing() const override;
+    float xHeight() const override;
 
-    virtual void drawText(WebCanvas*, const WebTextRun&, const WebFloatPoint& leftBaseline, WebColor,
+    void drawText(WebCanvas*, const WebTextRun&, const WebFloatPoint& leftBaseline, WebColor,
         const WebRect& clip) const override;
 
-    virtual int calculateWidth(const WebTextRun&) const override;
-    virtual int offsetForPosition(const WebTextRun&, float position) const override;
-    virtual WebFloatRect selectionRectForText(const WebTextRun&, const WebFloatPoint& leftBaseline,
+    int calculateWidth(const WebTextRun&) const override;
+    int offsetForPosition(const WebTextRun&, float position) const override;
+    WebFloatRect selectionRectForText(const WebTextRun&, const WebFloatPoint& leftBaseline,
         int height, int from = 0, int to = -1) const override;
 
     DisplayItemClient displayItemClient() const { return toDisplayItemClient(this); }
     String debugName() const { return "WebFontImpl"; }
 
 private:
     Font m_font;
 };
 
 } // namespace blink
 
 #endif