already_AddRefed<DOMMatrix> DOMMatrix::Constructor(const GlobalObject& aGlobal, const Float64Array& aArray64, ErrorResult& aRv) { RefPtr<DOMMatrix> obj = new DOMMatrix(aGlobal.GetAsSupports()); aArray64.ComputeLengthAndData(); SetDataInMatrix(obj, aArray64.Data(), aArray64.Length(), aRv); return obj.forget(); }