Reland of Paint collapsed borders of a table as one display item

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.
  *
@@ skipping 56 matching lines @@
     section()->rowLogicalHeightChanged(this);
 
   if (!parent())
     return;
   LayoutTable* table = this->table();
   if (!table)
     return;
 
   if (!table->selfNeedsLayout() && !table->normalChildNeedsLayout() &&
       oldStyle->border() != style()->border())
-    table->invalidateCollapsedBorders();
+    table->invalidateCollapsedBorders(PaintInvalidationStyleChange);
 
   if (LayoutTableBoxComponent::doCellsHaveDirtyWidth(*this, *table, diff,
                                                      *oldStyle)) {
     // 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.
     for (LayoutBox* childBox = firstChildBox(); childBox;
          childBox = childBox->nextSiblingBox()) {
       if (!childBox->isTableCell())
@@ skipping 219 matching lines @@
   // 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