[CSS Grid Layout] Add support to place items using named grid lines

Source/core/rendering/style/StyleGridData.cpp

 /*
  * Copyright (C) 2011 Google Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 15 matching lines @@
 #include "config.h"
 #include "core/rendering/style/StyleGridData.h"
 
 #include "core/rendering/style/RenderStyle.h"
 
 namespace WebCore {
 
 StyleGridData::StyleGridData()
     : m_gridTemplateColumns(RenderStyle::initialGridTemplateColumns())
     , m_gridTemplateRows(RenderStyle::initialGridTemplateRows())
-    , m_namedGridColumnLines(RenderStyle::initialNamedGridColumnLines())
-    , m_namedGridRowLines(RenderStyle::initialNamedGridRowLines())
     , m_orderedNamedGridColumnLines(RenderStyle::initialOrderedNamedGridColumnLines())
     , m_orderedNamedGridRowLines(RenderStyle::initialOrderedNamedGridRowLines())
     , m_gridAutoFlow(RenderStyle::initialGridAutoFlow())
     , m_gridAutoRows(RenderStyle::initialGridAutoRows())
     , m_gridAutoColumns(RenderStyle::initialGridAutoColumns())
     , m_namedGridArea(RenderStyle::initialNamedGridArea())
     , m_namedGridAreaRowCount(RenderStyle::initialNamedGridAreaCount())
     , m_namedGridAreaColumnCount(RenderStyle::initialNamedGridAreaCount())
 {
 }
 
 StyleGridData::StyleGridData(const StyleGridData& o)
     : RefCounted<StyleGridData>()
     , m_gridTemplateColumns(o.m_gridTemplateColumns)
     , m_gridTemplateRows(o.m_gridTemplateRows)
-    , m_namedGridColumnLines(o.m_namedGridColumnLines)
-    , m_namedGridRowLines(o.m_namedGridRowLines)
     , m_orderedNamedGridColumnLines(o.m_orderedNamedGridColumnLines)
     , m_orderedNamedGridRowLines(o.m_orderedNamedGridRowLines)
     , m_gridAutoFlow(o.m_gridAutoFlow)
     , m_gridAutoRows(o.m_gridAutoRows)
     , m_gridAutoColumns(o.m_gridAutoColumns)
     , m_namedGridArea(o.m_namedGridArea)
     , m_namedGridAreaRowCount(o.m_namedGridAreaRowCount)
     , m_namedGridAreaColumnCount(o.m_namedGridAreaColumnCount)
 {
 }
 
 } // namespace WebCore