Update web classes to use OVERRIDE / FINAL when needed

Source/web/WebFontImpl.h

Index: Source/web/WebFontImpl.h
diff --git a/Source/web/WebFontImpl.h b/Source/web/WebFontImpl.h
index 1c190cd01d8e4bbc4f42f85a4db2ab2d4fbcf866..ef6291c5102991eee4f8ea6a4eefaf41c45ac4ae 100644
--- a/Source/web/WebFontImpl.h
+++ b/Source/web/WebFontImpl.h
@@ -38,24 +38,24 @@ namespace WebCore { class FontDescription; }
 
 namespace blink {
 
-class WebFontImpl : public WebFont {
+class WebFontImpl FINAL : public WebFont {
 public:
     WebFontImpl(const WebCore::FontDescription&, float letterSpacing, float wordSpacing);
 
-    virtual WebFontDescription fontDescription() const;
+    virtual WebFontDescription fontDescription() const OVERRIDE;
 
-    virtual int ascent() const;
-    virtual int descent() const;
-    virtual int height() const;
-    virtual int lineSpacing() const;
-    virtual float xHeight() const;
+    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;
 
     virtual void drawText(WebCanvas*, const WebTextRun&, const WebFloatPoint& leftBaseline, WebColor,
-                          const WebRect& clip, bool canvasIsOpaque, int from = 0, int to = -1) const;
-    virtual int calculateWidth(const WebTextRun&) const;
-    virtual int offsetForPosition(const WebTextRun&, float position) const;
+        const WebRect& clip, bool canvasIsOpaque, int from = 0, int to = -1) 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 height, int from = 0, int to = -1) const;
+        int height, int from = 0, int to = -1) const OVERRIDE;
 
 private:
     WebCore::Font m_font;