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

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

Index: third_party/WebKit/Source/core/svg/SVGPointTearOff.h
diff --git a/third_party/WebKit/Source/core/svg/SVGPointTearOff.h b/third_party/WebKit/Source/core/svg/SVGPointTearOff.h
index 5057fdf894dc93940d6fe098762c385a883fd3c5..3a5869da520e3ffd060a2968ad27cc68643cfa16 100644
--- a/third_party/WebKit/Source/core/svg/SVGPointTearOff.h
+++ b/third_party/WebKit/Source/core/svg/SVGPointTearOff.h
@@ -44,14 +44,14 @@ class SVGPointTearOff : public SVGPropertyTearOff<SVGPoint>,
   DEFINE_WRAPPERTYPEINFO();
 
  public:
-  static SVGPointTearOff* Create(
-      SVGPoint* target,
-      SVGElement* context_element,
-      PropertyIsAnimValType property_is_anim_val,
-      const QualifiedName& attribute_name = QualifiedName::Null()) {
+  static SVGPointTearOff* Create(SVGPoint* target,
+                                 SVGElement* context_element,
+                                 PropertyIsAnimValType property_is_anim_val,
+                                 const QualifiedName& attribute_name) {
     return new SVGPointTearOff(target, context_element, property_is_anim_val,
                                attribute_name);
   }
+  static SVGPointTearOff* CreateDetached(const FloatPoint&);
 
   void setX(float, ExceptionState&);
   void setY(float, ExceptionState&);
@@ -66,7 +66,7 @@ class SVGPointTearOff : public SVGPropertyTearOff<SVGPoint>,
   SVGPointTearOff(SVGPoint*,
                   SVGElement* context_element,
                   PropertyIsAnimValType,
-                  const QualifiedName& attribute_name = QualifiedName::Null());
+                  const QualifiedName& attribute_name);
 };
 
 }  // namespace blink