Avoid RenderObject::paintInvalidationForWholeRenderer() if possible

Source/core/rendering/RenderTableSection.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, 2008, 2009, 2010, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 1519 matching lines @@
                 for (unsigned i = 0; i < cells.size(); ++i)
                     paintCell(cells[i], paintInfo, paintOffset);
             }
         }
     }
 }
 
 void RenderTableSection::imageChanged(WrappedImagePtr, const IntRect*)
 {
     // FIXME: Examine cells and issue paint invalidations of only the rect the image paints in.
-    paintInvalidationForWholeRenderer();
+    setShouldDoFullPaintInvalidation(true);
 }
 
 void RenderTableSection::recalcCells()
 {
     ASSERT(m_needsCellRecalc);
     // We reset the flag here to ensure that |addCell| works. This is safe to do as
     // fillRowsWithDefaultStartingAtPosition makes sure we match the table's columns
     // representation.
     m_needsCellRecalc = false;
 
@@ skipping 218 matching lines @@
     // FIXME: The table's direction should determine our row's direction, not the section's (see bug 96691).
     if (!style()->isLeftToRightDirection())
         cellLocation.setX(table()->columnPositions()[table()->numEffCols()] - table()->columnPositions()[table()->colToEffCol(cell->col() + cell->colSpan())] + horizontalBorderSpacing);
     else
         cellLocation.setX(table()->columnPositions()[effectiveColumn] + horizontalBorderSpacing);
 
     cell->setLogicalLocation(cellLocation);
 }
 
 } // namespace blink