SVG root viewport clip in paint property tree

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

 /*
  * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2007 Rob Buis <buis@kde.org>
  * Copyright (C) 2009 Google, Inc.  All rights reserved.
  * Copyright (C) 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 49 matching lines @@
         if (m_containerSize != containerSize)
             setNeedsLayoutAndFullPaintInvalidation(LayoutInvalidationReason::SizeChanged);
         m_containerSize = containerSize;
     }
 
     // localToBorderBoxTransform maps local SVG viewport coordinates to local CSS box coordinates.
     const AffineTransform& localToBorderBoxTransform() const { return m_localToBorderBoxTransform; }
     bool shouldApplyViewportClip() const;
 
     LayoutRect visualOverflowRect() const override;
+    LayoutRect overflowClipRect(const LayoutPoint& location, OverlayScrollbarClipBehavior = IgnoreOverlayScrollbarSize) const override;
 
     bool hasNonIsolatedBlendingDescendants() const final;
 
     const char* name() const override { return "LayoutSVGRoot"; }
 
 private:
     const LayoutObjectChildList* children() const { return &m_children; }
     LayoutObjectChildList* children() { return &m_children; }
 
     LayoutObjectChildList* virtualChildren() override { return children(); }
@@ skipping 52 matching lines @@
     bool m_hasBoxDecorationBackground : 1;
     mutable bool m_hasNonIsolatedBlendingDescendants : 1;
     mutable bool m_hasNonIsolatedBlendingDescendantsDirty : 1;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutSVGRoot, isSVGRoot());
 
 } // namespace blink
 
 #endif // LayoutSVGRoot_h