Support edge-inclusive intersections in mapToVisibleRectInAncestorSpace

third_party/WebKit/Source/core/layout/LayoutInline.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 219 matching lines @@
 
     PaintLayerType layerTypeRequired() const override;
 
     LayoutUnit offsetLeft() const final;
     LayoutUnit offsetTop() const final;
     LayoutUnit offsetWidth() const final { return LayoutUnit(linesBoundingBox().width()); }
     LayoutUnit offsetHeight() const final { return LayoutUnit(linesBoundingBox().height()); }
 
     LayoutRect absoluteClippedOverflowRect() const override;
     LayoutRect clippedOverflowRectForPaintInvalidation(const LayoutBoxModelObject* paintInvalidationContainer, const PaintInvalidationState* = nullptr) const override;
-    void mapToVisibleRectInAncestorSpace(const LayoutBoxModelObject* ancestor, LayoutRect&, const PaintInvalidationState*) const final;
+    bool mapToVisibleRectInAncestorSpace(const LayoutBoxModelObject* ancestor, LayoutRect&, const PaintInvalidationState*, VisibleRectFlags = DefaultVisibleRectFlags) const override;
 
     // This method differs from clippedOverflowRectForPaintInvalidation in that it includes
     // the rects for culled inline boxes, which aren't necessary for paint invalidation.
     LayoutRect clippedOverflowRect(const LayoutBoxModelObject*, const PaintInvalidationState* = nullptr) const;
 
     PositionWithAffinity positionForPoint(const LayoutPoint&) final;
 
     IntRect borderBoundingBox() const final
     {
         IntRect boundingBox = linesBoundingBox();
@@ skipping 24 matching lines @@
 
     LayoutObjectChildList m_children;
     LineBoxList m_lineBoxes; // All of the line boxes created for this inline flow.  For example, <i>Hello<br>world.</i> will have two <i> line boxes.
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutInline, isLayoutInline());
 
 } // namespace blink
 
 #endif // LayoutInline_h