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

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

Index: third_party/WebKit/Source/core/svg/SVGPointListTearOff.h
diff --git a/third_party/WebKit/Source/core/svg/SVGPointListTearOff.h b/third_party/WebKit/Source/core/svg/SVGPointListTearOff.h
index d1bda31126b51bc4ca8b4f0169a11b0012c54d10..db3e349498509c23e4a829a31899d763f017854a 100644
--- a/third_party/WebKit/Source/core/svg/SVGPointListTearOff.h
+++ b/third_party/WebKit/Source/core/svg/SVGPointListTearOff.h
@@ -42,11 +42,10 @@ class SVGPointListTearOff final
   DEFINE_WRAPPERTYPEINFO();
 
  public:
-  static SVGPointListTearOff* Create(
-      SVGPointList* target,
-      SVGElement* context_element,
-      PropertyIsAnimValType property_is_anim_val,
-      const QualifiedName& attribute_name = QualifiedName::Null()) {
+  static SVGPointListTearOff* Create(SVGPointList* target,
+                                     SVGElement* context_element,
+                                     PropertyIsAnimValType property_is_anim_val,
+                                     const QualifiedName& attribute_name) {
     return new SVGPointListTearOff(target, context_element,
                                    property_is_anim_val, attribute_name);
   }
@@ -56,11 +55,10 @@ class SVGPointListTearOff final
   }
 
  private:
-  SVGPointListTearOff(
-      SVGPointList* target,
-      SVGElement* context_element,
-      PropertyIsAnimValType property_is_anim_val,
-      const QualifiedName& attribute_name = QualifiedName::Null())
+  SVGPointListTearOff(SVGPointList* target,
+                      SVGElement* context_element,
+                      PropertyIsAnimValType property_is_anim_val,
+                      const QualifiedName& attribute_name)
       : SVGListPropertyTearOffHelper<SVGPointListTearOff, SVGPointList>(
             target,
             context_element,