Blink-side contiguous allocation of display items.

Source/core/layout/LayoutTable.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.
  * Copyright (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 1292 matching lines @@
         return topNonEmptySection->logicalTop() + baseline;
 
     // FF, Presto and IE use the top of the section as the baseline if its first row is empty of cells or content.
     // The baseline of an empty row isn't specified by CSS 2.1.
     if (topNonEmptySection->firstRow() && !topNonEmptySection->firstRow()->firstCell())
         return topNonEmptySection->logicalTop();
 
     return -1;
 }
 
-LayoutRect LayoutTable::overflowClipRect(const LayoutPoint& location, OverlayScrollbarSizeRelevancy relevancy)
+LayoutRect LayoutTable::overflowClipRect(const LayoutPoint& location, OverlayScrollbarSizeRelevancy relevancy) const
 {
     LayoutRect rect = LayoutBlock::overflowClipRect(location, relevancy);
 
     // If we have a caption, expand the clip to include the caption.
     // FIXME: Technically this is wrong, but it's virtually impossible to fix this
     // for real until captions have been re-written.
     // FIXME: This code assumes (like all our other caption code) that only top/bottom are
     // supported.  When we actually support left/right and stop mapping them to top/bottom,
     // we might have to hack this code first (depending on what order we do these bug fixes in).
     if (!m_captions.isEmpty()) {
@@ skipping 92 matching lines @@
                         cell->invalidateDisplayItemClient(*cell);
                 }
             }
         }
     }
 
     LayoutBlock::invalidatePaintOfSubtreesIfNeeded(childPaintInvalidationState);
 }
 
 }