Top-align table cells in rows that cross fragmentainer boundaries.

third_party/WebKit/Source/core/layout/LayoutTableCell.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, 2007, 2009, 2013 Apple Inc.
  *               All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 182 matching lines @@
   void paint(const PaintInfo&, const LayoutPoint&) const override;
 
   int cellBaselinePosition() const;
   bool isBaselineAligned() const {
     EVerticalAlign va = style()->verticalAlign();
     return va == VerticalAlignBaseline || va == VerticalAlignTextBottom ||
            va == VerticalAlignTextTop || va == VerticalAlignSuper ||
            va == VerticalAlignSub || va == VerticalAlignLength;
   }
 
-  void computeIntrinsicPadding(int rowHeight, SubtreeLayoutScope&);
+  // Align the cell in the block direction. This is done by calculating an
+  // intrinsic padding before and after the cell contents, so that all cells in
+  // the row get the same logical height.
+  void computeIntrinsicPadding(int rowHeight,
+                               EVerticalAlign,
+                               SubtreeLayoutScope&);
+
   void clearIntrinsicPadding() { setIntrinsicPadding(0, 0); }
 
   int intrinsicPaddingBefore() const { return m_intrinsicPaddingBefore; }
   int intrinsicPaddingAfter() const { return m_intrinsicPaddingAfter; }
 
   LayoutUnit paddingTop() const override;
   LayoutUnit paddingBottom() const override;
   LayoutUnit paddingLeft() const override;
   LayoutUnit paddingRight() const override;
 
@@ skipping 203 matching lines @@
   return toLayoutTableCell(firstChild());
 }
 
 inline LayoutTableCell* LayoutTableRow::lastCell() const {
   return toLayoutTableCell(lastChild());
 }
 
 }  // namespace blink
 
 #endif  // LayoutTableCell_h