Table cell background painting

third_party/WebKit/Source/core/layout/LayoutTableCol.h

 /*
  * Copyright (C) 1997 Martin Jones (mjones@kde.org)
  *           (C) 1997 Torben Weis (weis@kde.org)
  *           (C) 1998 Waldo Bastian (bastian@kde.org)
  *           (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 63 matching lines @@
 
     // The 'span' attribute in HTML.
     // For CSS table columns or colgroups, this is always 1.
     unsigned span() const { return m_span; }
 
     bool isTableColumnGroupWithColumnChildren() { return firstChild(); }
     bool isTableColumn() const { return style()->display() == TABLE_COLUMN; }
     bool isTableColumnGroup() const { return style()->display() == TABLE_COLUMN_GROUP; }
 
     LayoutTableCol* enclosingColumnGroup() const;
+    LayoutTableCol* lastColumnInGroup() const;
 
     // Returns the next column or column-group.
     LayoutTableCol* nextColumn() const;
 
     const BorderValue& borderAdjoiningCellStartBorder(const LayoutTableCell*) const;
     const BorderValue& borderAdjoiningCellEndBorder(const LayoutTableCell*) const;
     const BorderValue& borderAdjoiningCellBefore(const LayoutTableCell*) const;
     const BorderValue& borderAdjoiningCellAfter(const LayoutTableCell*) const;
 
     const char* name() const override { return "LayoutTableCol"; }
 
+    LayoutRect positionByCellSpan() const;
+
+    Vector<LayoutTableCell*> getColumnCells() const;

[Xianzhu, 2016/02/23 22:58:27]

Nit: omit 'get'.

[atotic1, 2016/03/15 16:50:47]

Done.

+
+    Vector<unsigned> getColumnIndexes() const;
+
 private:
     LayoutObjectChildList* virtualChildren() override { return children(); }
     const LayoutObjectChildList* virtualChildren() const override { return children(); }
 
     bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectLayoutTableCol || LayoutBox::isOfType(type); }
     void updateFromElement() override;
     void computePreferredLogicalWidths() override { ASSERT_NOT_REACHED(); }
 
     void insertedIntoTree() override;
     void willBeRemovedFromTree() override;
@@ skipping 11 matching lines @@
 
     LayoutObjectChildList m_children;
     unsigned m_span;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutTableCol, isLayoutTableCol());
 
 } // namespace blink
 
 #endif