Let RenderTable reach table cells needing overflow recalc

Source/core/rendering/RenderTableRow.cpp

 /*
  * 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, 2008, 2009, 2010, 2013 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 227 matching lines @@
 }
 
 RenderTableRow* RenderTableRow::createAnonymousWithParentRenderer(const RenderObject* parent)
 {
     RenderTableRow* newRow = RenderTableRow::createAnonymous(&parent->document());
     RefPtr<RenderStyle> newStyle = RenderStyle::createAnonymousStyleWithDisplay(parent->style(), TABLE_ROW);
     newRow->setStyle(newStyle.release());
     return newRow;
 }
 
+void RenderTableRow::recomputeOverflow()
+{
+    clearAllOverflows();
+    addVisualEffectOverflow();
+    for (RenderTableCell* cell = firstCell(); cell; cell = cell->nextCell())
+        addOverflowFromCell(cell);
+}
+
 void RenderTableRow::addOverflowFromCell(const RenderTableCell* cell)
 {
     // Non-row-spanning-cells don't create overflow (they are fully contained within this row).
+    // FIXME: This seems incorrect because cell may have visual effect overflow that should be included in this row.
     if (cell->rowSpan() == 1)
         return;
 
     // Cells only generates visual overflow.
     LayoutRect cellVisualOverflowRect = cell->visualOverflowRectForPropagation(style());
 
     // The cell and the row share the section's coordinate system. However
     // the visual overflow should be determined in the coordinate system of
     // the row, that's why we shift it below.
     LayoutUnit cellOffsetLogicalTopDifference = cell->location().y() - location().y();
     cellVisualOverflowRect.move(0, cellOffsetLogicalTopDifference);
 
     addVisualOverflow(cellVisualOverflowRect);
 }
 
 } // namespace blink