Clean up creation of "detached" SVG* data type objects

third_party/WebKit/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 112 matching lines @@
     return 0;
   return AsPath().length();
 }
 
 SVGPointTearOff* SVGGeometryElement::getPointAtLength(float length) {
   GetDocument().UpdateStyleAndLayoutIgnorePendingStylesheets();
 
   FloatPoint point;
   if (GetLayoutObject())
     point = AsPath().PointAtLength(length);
-  return SVGPointTearOff::Create(SVGPoint::Create(point), 0,
-                                 kPropertyIsNotAnimVal);
+  return SVGPointTearOff::CreateDetached(point);
 }
 
 float SVGGeometryElement::ComputePathLength() const {
   return AsPath().length();
 }
 
 float SVGGeometryElement::PathLengthScaleFactor() const {
   if (!pathLength()->IsSpecified())
     return 1;
   float author_path_length = pathLength()->CurrentValue()->Value();
   if (author_path_length < 0)
     return 1;
   if (!author_path_length)
     return 0;
   DCHECK(GetLayoutObject());
   float computed_path_length = ComputePathLength();
   if (!computed_path_length)
     return 1;
   return computed_path_length / author_path_length;
 }
 
 LayoutObject* SVGGeometryElement::CreateLayoutObject(const ComputedStyle&) {
   // By default, any subclass is expected to do path-based drawing.
   return new LayoutSVGPath(this);
 }
 
 }  // namespace blink