| Index: Source/core/rendering/style/StyleGridData.cpp | 
| diff --git a/Source/core/rendering/style/StyleGridData.cpp b/Source/core/rendering/style/StyleGridData.cpp | 
| index cfa9b7324190e366ad7e3ce43576727f5dd6b054..be176e759fdcd2f5e91cff155997170ba0fb4ee1 100644 | 
| --- a/Source/core/rendering/style/StyleGridData.cpp | 
| +++ b/Source/core/rendering/style/StyleGridData.cpp | 
| @@ -43,6 +43,8 @@ StyleGridData::StyleGridData(const StyleGridData& o) | 
| : RefCounted<StyleGridData>() | 
| , m_gridColumns(o.m_gridColumns) | 
| , m_gridRows(o.m_gridRows) | 
| +    , m_namedGridColumnLines(o.m_namedGridColumnLines) | 
| +    , m_namedGridRowLines(o.m_namedGridRowLines) | 
| , m_gridAutoFlow(o.m_gridAutoFlow) | 
| , m_gridAutoRows(o.m_gridAutoRows) | 
| , m_gridAutoColumns(o.m_gridAutoColumns) | 
|  |