First step of PaintInvalidator implementation

third_party/WebKit/Source/core/layout/svg/LayoutSVGModelObject.h

 /*
  * Copyright (c) 2009, 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 50 matching lines @@
     void computeLayerHitTestRects(LayerHitTestRects&) const final;
 
     SVGElement* element() const { return toSVGElement(LayoutObject::node()); }
 
     bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectSVG || LayoutObject::isOfType(type); }
 
 protected:
     void addLayerHitTestRects(LayerHitTestRects&, const PaintLayer* currentCompositedLayer, const LayoutPoint& layerOffset, const LayoutRect& containerRect) const final;
     void willBeDestroyed() override;
 
-    PaintInvalidationReason getPaintInvalidationReason(const PaintInvalidationState&, const LayoutRect&, const LayoutPoint&, const LayoutRect&, const LayoutPoint&) const final;
+    PaintInvalidationReason invalidatePaintIfNeeded(const PaintInvalidatorContext&) const final;
+
 private:
     // LayoutSVGModelObject subclasses should use element() instead.
     void node() const = delete;
 
     // This method should never be called, SVG uses a different nodeAtPoint method
     bool nodeAtPoint(HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) final;
     IntRect absoluteElementBoundingBoxRect() const final;
 
 protected:
     FloatRect m_paintInvalidationBoundingBox;
 };
 
 } // namespace blink
 
 #endif