[SVG] Shared <use> path geometry

third_party/WebKit/Source/core/svg/SVGElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2008 Rob Buis <buis@kde.org>
  * Copyright (C) 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Alp Toker <alp@atoker.com>
  * Copyright (C) 2009 Cameron McCormack <cam@mcc.id.au>
  *
  * 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
@@ skipping 519 matching lines @@
     rareData->setCursorImageValue(cursorImageValue);
 }
 
 #if !ENABLE(OILPAN)
 void SVGElement::cursorImageValueRemoved()
 {
     svgRareData()->setCursorImageValue(0);
 }
 #endif
 
-SVGElement* SVGElement::correspondingElement()
+SVGElement* SVGElement::correspondingElement() const
 {
     ASSERT(!hasSVGRareData() || !svgRareData()->correspondingElement() || containingShadowRoot());
     return hasSVGRareData() ? svgRareData()->correspondingElement() : 0;
 }
 
 SVGUseElement* SVGElement::correspondingUseElement() const
 {
     if (ShadowRoot* root = containingShadowRoot()) {
         if (isSVGUseElement(root->host()) && (root->type() == ShadowRootType::UserAgent))
             return toSVGUseElement(root->host());
@@ skipping 603 matching lines @@
     Element::trace(visitor);
 }
 
 const AtomicString& SVGElement::eventParameterName()
 {
     DEFINE_STATIC_LOCAL(const AtomicString, evtString, ("evt", AtomicString::ConstructFromLiteral));
     return evtString;
 }
 
 } // namespace blink