GetStyleData(nsIFrame* aFrame, const T** aStyleStruct) { aFrame->GetStyleData(NS_GET_STYLESTRUCTID(T), *NS_REINTERPRET_CAST(const nsStyleStruct**, aStyleStruct)); }
nsresult GetStyleData(nsStyleStructID       aSID, const nsStyleStruct*& aStyleStruct) { return GetStyleDataExternal(aSID, aStyleStruct); }
GetStyleData(nsIFrame* aFrame, const T** aStyleStruct){    aFrame->GetStyleData(NS_GET_STYLESTRUCTID(T),                    *NS_REINTERPRET_CAST(const nsStyleStruct**, aStyleStruct));}