Optimize for horizontal writing mode

Source/core/rendering/RenderTable.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 609 matching lines @@
 
 void RenderTable::paintObject(PaintInfo& paintInfo, const LayoutPoint& paintOffset)
 {
     TablePainter(*this).paintObject(paintInfo, paintOffset);
 }
 
 void RenderTable::subtractCaptionRect(LayoutRect& rect) const
 {
     for (unsigned i = 0; i < m_captions.size(); i++) {
         LayoutUnit captionLogicalHeight = m_captions[i]->logicalHeight() + m_captions[i]->marginBefore() + m_captions[i]->marginAfter();
-        bool captionIsBefore = (m_captions[i]->style()->captionSide() != CAPBOTTOM) ^ style()->isFlippedBlocksWritingMode();
+        bool captionIsBefore = (m_captions[i]->style()->captionSide() != CAPBOTTOM) ^ style()->slowIsFlippedBlocksWritingMode();
         if (style()->isHorizontalWritingMode()) {
             rect.setHeight(rect.height() - captionLogicalHeight);
             if (captionIsBefore)
                 rect.move(0, captionLogicalHeight);
         } else {
             rect.setWidth(rect.width() - captionLogicalHeight);
             if (captionIsBefore)
                 rect.move(captionLogicalHeight, 0);
         }
     }
@@ skipping 703 matching lines @@
 const BorderValue& RenderTable::tableEndBorderAdjoiningCell(const RenderTableCell* cell) const
 {
     ASSERT(cell->isFirstOrLastCellInRow());
     if (hasSameDirectionAs(cell->row()))
         return style()->borderEnd();
 
     return style()->borderStart();
 }
 
 }