If the <use> is hidden and the child of it is visible, should clip the non-resource

third_party/WebKit/Source/core/svg/SVGUseElement.h

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
  *
  * 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.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 40 matching lines @@
     SVGGraphicsElement* targetGraphicsElementForClipping() const;
 
     SVGAnimatedLength* x() const { return m_x.get(); }
     SVGAnimatedLength* y() const { return m_y.get(); }
     SVGAnimatedLength* width() const { return m_width.get(); }
     SVGAnimatedLength* height() const { return m_height.get(); }
 
     void buildPendingResource() override;
 
     void dispatchPendingEvent(SVGUseEventSender*);
+    bool isVisibleGraphicsElementForClipping();
     void toClipPath(Path&) const;
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
     explicit SVGUseElement(Document&);
 
     void dispose();
 
     FloatRect getBBox() override;
@@ skipping 44 matching lines @@
 
     bool m_haveFiredLoadEvent;
     bool m_needsShadowTreeRecreation;
     Member<SVGElement> m_targetElementInstance;
     Member<DocumentResource> m_resource;
 };
 
 } // namespace blink
 
 #endif // SVGUseElement_h