Move InvalidationGuard/InstanceUpdateBlocker out of SVGElementInstance

Source/core/svg/SVGPolyElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 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 52 matching lines @@
     ASSERT_NOT_REACHED();
 }
 
 void SVGPolyElement::svgAttributeChanged(const QualifiedName& attrName)
 {
     if (!isSupportedAttribute(attrName)) {
         SVGGeometryElement::svgAttributeChanged(attrName);
         return;
     }
 
-    SVGElementInstance::InvalidationGuard invalidationGuard(this);
+    SVGElement::InstanceInvalidationGuard invalidationGuard(this);
 
     RenderSVGShape* renderer = toRenderSVGShape(this->renderer());
     if (!renderer)
         return;
 
     if (attrName == SVGNames::pointsAttr) {
         renderer->setNeedsShapeUpdate();
         RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
         return;
     }
 
     ASSERT_NOT_REACHED();
 }
 
 }