Refactor ObjectPainter::paintOutline to take a paintOffset

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 46 matching lines @@
     void mapLocalToContainer(const LayoutBoxModelObject* paintInvalidationContainer, TransformState&, MapCoordinatesFlags = ApplyContainerFlip, bool* wasFixed = nullptr, const PaintInvalidationState* = nullptr) const final;
     const LayoutObject* pushMappingToContainer(const LayoutBoxModelObject* ancestorToStopAt, LayoutGeometryMap&) const final;
     void styleDidChange(StyleDifference, const ComputedStyle* oldStyle) override;
 
     void computeLayerHitTestRects(LayerHitTestRects&) const final;
 
     SVGElement* element() const { return toSVGElement(LayoutObject::node()); }
 
     bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectSVG || LayoutObject::isOfType(type); }
 
+    // TODO(pdr): The outline extent should be included in paintInvalidationRectInLocalCoordinates.
+    // Returns the paint invalidation size inflated for the outline extent.
+    LayoutRect outlineVisualOverflowRect() const;
+
 protected:
     void addLayerHitTestRects(LayerHitTestRects&, const DeprecatedPaintLayer* currentCompositedLayer, const LayoutPoint& layerOffset, const LayoutRect& containerRect) const final;
     void willBeDestroyed() override;
 
 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 absoluteOutlineBoundingBoxRect() const final;
 
     void invalidateTreeIfNeeded(PaintInvalidationState&) final;
 
 protected:
     FloatRect m_paintInvalidationBoundingBox;
 };
 
 }
 
 #endif