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

Source/core/svg/graphics/filters/SVGFEImage.h

Index: Source/core/svg/graphics/filters/SVGFEImage.h
diff --git a/Source/core/svg/graphics/filters/SVGFEImage.h b/Source/core/svg/graphics/filters/SVGFEImage.h
index 41ca219165af2d6a2fc7497d0e4d58afbc3ad42b..a26489d394af12fbaae575704dde6dd38d5a5b55 100644
--- a/Source/core/svg/graphics/filters/SVGFEImage.h
+++ b/Source/core/svg/graphics/filters/SVGFEImage.h
@@ -38,21 +38,21 @@ public:
     static PassRefPtrWillBeRawPtr<FEImage> createWithImage(Filter*, PassRefPtr<Image>, PassRefPtrWillBeRawPtr<SVGPreserveAspectRatio>);
     static PassRefPtrWillBeRawPtr<FEImage> createWithIRIReference(Filter*, TreeScope&, const String&, PassRefPtrWillBeRawPtr<SVGPreserveAspectRatio>);
 
-    virtual FloatRect determineAbsolutePaintRect(const FloatRect& requestedRect) override;
+    FloatRect determineAbsolutePaintRect(const FloatRect& requestedRect) override;
 
-    virtual FilterEffectType filterEffectType() const override { return FilterEffectTypeImage; }
+    FilterEffectType filterEffectType() const override { return FilterEffectTypeImage; }
 
     // feImage does not perform color interpolation of any kind, so doesn't
     // depend on the value of color-interpolation-filters.
-    virtual void setOperatingColorSpace(ColorSpace) override { }
+    void setOperatingColorSpace(ColorSpace) override { }
 
-    virtual TextStream& externalRepresentation(TextStream&, int indention) const override;
-    virtual PassRefPtr<SkImageFilter> createImageFilter(SkiaImageFilterBuilder*) override;
+    TextStream& externalRepresentation(TextStream&, int indention) const override;
+    PassRefPtr<SkImageFilter> createImageFilter(SkiaImageFilterBuilder*) override;
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
-    virtual ~FEImage() { }
+    ~FEImage() override {}
     FEImage(Filter*, PassRefPtr<Image>, PassRefPtrWillBeRawPtr<SVGPreserveAspectRatio>);
     FEImage(Filter*, TreeScope&, const String&, PassRefPtrWillBeRawPtr<SVGPreserveAspectRatio>);
     LayoutObject* referencedLayoutObject() const;