$OpenBSD$

index 493be7a..7d9de4e 100644
--- content/svg/content/src/DOMSVGLength.cpp.orig	Fri Feb 20 15:40:36 2015
+++ content/svg/content/src/DOMSVGLength.cpp	Fri Feb 20 15:40:36 2015
@@ -170,6 +170,25 @@ DOMSVGLength::GetTearOff(nsSVGLength2* aVal, nsSVGElement* aSVGElement,
   return domLength.forget();
 }
 
+DOMSVGLength*
+DOMSVGLength::Copy()
+{
+  NS_ASSERTION(HasOwner() || IsReflectingAttribute(), "unexpected caller");
+  DOMSVGLength *copy = new DOMSVGLength();
+  uint16_t unit;
+  float value;
+  if (mVal) {
+    unit = mVal->mSpecifiedUnitType;
+    value = mIsAnimValItem ? mVal->mAnimVal : mVal->mBaseVal;
+  } else {
+    SVGLength &length = InternalItem();
+    unit = length.GetUnit();
+    value = length.GetValueInCurrentUnits();
+  }
+  copy->NewValueSpecifiedUnits(unit, value);
+  return copy;
+}
+
 uint16_t
 DOMSVGLength::UnitType()
 {