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

Source/core/layout/LayoutThemeAndroid.h

 /*
  * Copyright (C) 2011 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 15 matching lines @@
 #ifndef LayoutThemeAndroid_h
 #define LayoutThemeAndroid_h
 
 #include "core/layout/LayoutThemeDefault.h"
 
 namespace blink {
 
 class LayoutThemeAndroid final : public LayoutThemeDefault {
 public:
     static PassRefPtr<LayoutTheme> create();
-    virtual String extraDefaultStyleSheet() override;
+    String extraDefaultStyleSheet() override;
 
-    virtual void adjustInnerSpinButtonStyle(ComputedStyle&, Element*) const override;
+    void adjustInnerSpinButtonStyle(ComputedStyle&, Element*) const override;
 
-    virtual bool delegatesMenuListRendering() const override { return true; }
+    bool delegatesMenuListRendering() const override { return true; }
 
-    virtual String extraMediaControlsStyleSheet() override;
+    String extraMediaControlsStyleSheet() override;
 
-    virtual Color platformTapHighlightColor() const override
+    Color platformTapHighlightColor() const override
     {
         return LayoutThemeAndroid::defaultTapHighlightColor;
     }
 
-    virtual Color platformActiveSelectionBackgroundColor() const override
+    Color platformActiveSelectionBackgroundColor() const override
     {
         return LayoutThemeAndroid::defaultActiveSelectionBackgroundColor;
     }
 
 protected:
-    virtual int menuListArrowPadding() const override;
+    int menuListArrowPadding() const override;
 
 private:
-    virtual ~LayoutThemeAndroid();
+    ~LayoutThemeAndroid() override;
 
     static const RGBA32 defaultTapHighlightColor = 0x6633b5e5;
     static const RGBA32 defaultActiveSelectionBackgroundColor = 0x6633b5e5;
 };
 
 } // namespace blink
 
 #endif // LayoutThemeAndroid_h