Fix virtual/override/final usage in Source/core/{animation,css,style}/.

Source/core/style/StyleFetchedImageSet.h

 /*
  * Copyright (C) 2012 Apple 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 27 matching lines @@
 
 // This class keeps one cached image and has access to a set of alternatives.
 
 class StyleFetchedImageSet final : public StyleImage, private ImageResourceClient {
     WTF_MAKE_FAST_ALLOCATED(StyleFetchedImageSet);
 public:
     static PassRefPtr<StyleFetchedImageSet> create(ImageResource* image, float imageScaleFactor, CSSImageSetValue* value)
     {
         return adoptRef(new StyleFetchedImageSet(image, imageScaleFactor, value));
     }
-    virtual ~StyleFetchedImageSet();
+    ~StyleFetchedImageSet() override;
 
-    virtual PassRefPtrWillBeRawPtr<CSSValue> cssValue() const override;
+    PassRefPtrWillBeRawPtr<CSSValue> cssValue() const override;
 
     // FIXME: This is used by StyleImage for equals comparison, but this implementation
     // only looks at the image from the set that we have loaded. I'm not sure if that is
     // meaningful enough or not.
-    virtual WrappedImagePtr data() const override { return m_bestFitImage.get(); }
+    WrappedImagePtr data() const override { return m_bestFitImage.get(); }
 
     void clearImageSetValue() { m_imageSetValue = 0; }
 
-    virtual bool canRender(const LayoutObject&, float multiplier) const override;
-    virtual bool isLoaded() const override;
-    virtual bool errorOccurred() const override;
-    virtual LayoutSize imageSize(const LayoutObject*, float multiplier) const override;
-    virtual bool imageHasRelativeWidth() const override;
-    virtual bool imageHasRelativeHeight() const override;
-    virtual void computeIntrinsicDimensions(const LayoutObject*, Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio) override;
-    virtual bool usesImageContainerSize() const override;
-    virtual void setContainerSizeForLayoutObject(const LayoutObject*, const IntSize&, float) override;
-    virtual void addClient(LayoutObject*) override;
-    virtual void removeClient(LayoutObject*) override;
-    virtual PassRefPtr<Image> image(LayoutObject*, const IntSize&) const override;
-    virtual float imageScaleFactor() const override { return m_imageScaleFactor; }
-    virtual bool knownToBeOpaque(const LayoutObject*) const override;
-    virtual ImageResource* cachedImage() const override { return m_bestFitImage.get(); }
+    bool canRender(const LayoutObject&, float multiplier) const override;
+    bool isLoaded() const override;
+    bool errorOccurred() const override;
+    LayoutSize imageSize(const LayoutObject*, float multiplier) const override;
+    bool imageHasRelativeWidth() const override;
+    bool imageHasRelativeHeight() const override;
+    void computeIntrinsicDimensions(const LayoutObject*, Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio) override;
+    bool usesImageContainerSize() const override;
+    void setContainerSizeForLayoutObject(const LayoutObject*, const IntSize&, float) override;
+    void addClient(LayoutObject*) override;
+    void removeClient(LayoutObject*) override;
+    PassRefPtr<Image> image(LayoutObject*, const IntSize&) const override;
+    float imageScaleFactor() const override { return m_imageScaleFactor; }
+    bool knownToBeOpaque(const LayoutObject*) const override;
+    ImageResource* cachedImage() const override { return m_bestFitImage.get(); }
 
 private:
     StyleFetchedImageSet(ImageResource*, float imageScaleFactor, CSSImageSetValue*);
 
     ResourcePtr<ImageResource> m_bestFitImage;
     float m_imageScaleFactor;
 
     // FIXME: oilpan: Change to RawPtrWillBeMember when moving this class onto oilpan heap.
     // Also add "if !ENABLE(OILPAN)" around clearImageSetValue above as well as around its
     // caller since it should not be needed once both of the objects are on the heap and
     // oilpan is enabled.
     CSSImageSetValue* m_imageSetValue; // Not retained; it owns us.
 };
 
 DEFINE_STYLE_IMAGE_TYPE_CASTS(StyleFetchedImageSet, isImageResourceSet());
 
 } // namespace blink
 
 #endif // StyleFetchedImageSet_h