[css-tables] Set table and cell widths dirty when section border changes

third_party/WebKit/Source/core/layout/LayoutTableRow.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 59 matching lines @@
 
     if (section() && oldStyle && style()->logicalHeight() != oldStyle->logicalHeight())
         section()->rowLogicalHeightChanged(this);
 
     // If border was changed, notify table.
     if (parent()) {
         LayoutTable* table = this->table();
         if (table && !table->selfNeedsLayout() && !table->normalChildNeedsLayout() && oldStyle && oldStyle->border() != style()->border())
             table->invalidateCollapsedBorders();
 
+        // TODO(dgrogan): Do we need to setPreferredLogicalWidthsDirty even when !diff.needsFullLayout()?

[mstensho (USE GERRIT), 2016/05/25 12:18:28]

No? :) See my other comment.

         if (table && oldStyle && diff.needsFullLayout() && needsLayout() && table->collapseBorders() && borderWidthChanged(oldStyle, style())) {
             // If the border width changes on a row, we need to make sure the cells in the row know to lay out again.
             // This only happens when borders are collapsed, since they end up affecting the border sides of the cell
             // itself.
             table->setPreferredLogicalWidthsDirty(MarkOnlyThis);
             for (LayoutBox* childBox = firstChildBox(); childBox; childBox = childBox->nextSiblingBox()) {
                 if (!childBox->isTableCell())
                     continue;
                 childBox->setChildNeedsLayout();
                 childBox->setPreferredLogicalWidthsDirty(MarkOnlyThis);
@@ skipping 164 matching lines @@
     // 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(LayoutUnit(), cellOffsetLogicalTopDifference);
 
     addContentsVisualOverflow(cellVisualOverflowRect);
 }
 
 } // namespace blink