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

Source/web/ColorChooserUIController.h

Index: Source/web/ColorChooserUIController.h
diff --git a/Source/web/ColorChooserUIController.h b/Source/web/ColorChooserUIController.h
index d74b4bbb4b76fa4679ea438a42e6f8a62a914e8d..fd6290e6f74b19260cc7b35f1276c3728661813d 100644
--- a/Source/web/ColorChooserUIController.h
+++ b/Source/web/ColorChooserUIController.h
@@ -46,19 +46,19 @@ public:
         return adoptPtrWillBeNoop(new ColorChooserUIController(frame, client));
     }
 
-    virtual ~ColorChooserUIController();
+    ~ColorChooserUIController() override;
     DECLARE_VIRTUAL_TRACE();
 
     virtual void openUI();
 
     // ColorChooser functions:
-    virtual void setSelectedColor(const Color&) override final;
-    virtual void endChooser() override;
-    virtual AXObject* rootAXObject() override;
+    void setSelectedColor(const Color&) final;
+    void endChooser() override;
+    AXObject* rootAXObject() override;
 
     // WebColorChooserClient functions:
-    virtual void didChooseColor(const WebColor&) override final;
-    virtual void didEndChooser() override final;
+    void didChooseColor(const WebColor&) final;
+    void didEndChooser() final;
 
 protected:
     ColorChooserUIController(LocalFrame*, ColorChooserClient*);