Move toClipPath to SVGGeometryElement.

Source/core/svg/SVGGeometryElement.cpp

 /*
  * Copyright (C) 2013 Samsung Electronics. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 55 matching lines @@
     // FIXME: Eventually we should support isPointInStroke for display:none elements.
     if (!layoutObject() || !layoutObject()->isSVGShape())
         return false;
 
     HitTestRequest request(HitTestRequest::ReadOnly);
     PointerEventsHitRules hitRules(PointerEventsHitRules::SVG_GEOMETRY_HITTESTING, request, layoutObject()->style()->pointerEvents());
     hitRules.canHitFill = false;
     return toLayoutSVGShape(layoutObject())->nodeAtFloatPointInternal(request, point->target()->value(), hitRules);
 }
 
-void SVGGeometryElement::toClipPath(Path& path)
+void SVGGeometryElement::toClipPath(Path& path) const
 {
     path = asPath();
     path.transform(calculateAnimatedLocalTransform());
 
     ASSERT(layoutObject());
     ASSERT(layoutObject()->style());
     path.setWindRule(layoutObject()->style()->svgStyle().clipRule());
 }
 
 LayoutObject* SVGGeometryElement::createLayoutObject(const ComputedStyle&)
 {
     // By default, any subclass is expected to do path-based drawing.
     return new LayoutSVGPath(this);
 }
 
 }