Delete a ton more dead vertical writing mode code.

sky/engine/core/rendering/InlineBox.cpp

 /*
  * Copyright (C) 2003, 2004, 2005, 2006, 2007 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
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 179 matching lines @@
     if (renderer().isReplaced())
         toRenderBox(renderer()).move(dx, dy);
 }
 
 void InlineBox::paint(PaintInfo& paintInfo, const LayoutPoint& paintOffset, LayoutUnit /* lineTop */, LayoutUnit /*lineBottom*/)
 {
     if (!paintInfo.shouldPaintWithinRoot(&renderer()) || (paintInfo.phase != PaintPhaseForeground && paintInfo.phase != PaintPhaseSelection))
         return;
 
     LayoutPoint childPoint = paintOffset;
-    if (parent()->renderer().style()->isFlippedBlocksWritingMode()) // Faster than calling containingBlock().
-        childPoint = renderer().containingBlock()->flipForWritingModeForChild(&toRenderBox(renderer()), childPoint);
-
     RenderBlock::paintAsInlineBlock(&renderer(), paintInfo, childPoint);
 }
 
 bool InlineBox::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, LayoutUnit /* lineTop */, LayoutUnit /*lineBottom*/)
 {
     // Hit test all phases of replaced elements atomically, as though the replaced element established its
     // own stacking context.  (See Appendix E.2, section 6.4 on inline block/table elements in the CSS2.1
     // specification.)
     LayoutPoint childPoint = accumulatedOffset;
-    if (parent()->renderer().style()->isFlippedBlocksWritingMode()) // Faster than calling containingBlock().
-        childPoint = renderer().containingBlock()->flipForWritingModeForChild(&toRenderBox(renderer()), childPoint);
-
     return renderer().hitTest(request, result, locationInContainer, childPoint);
 }
 
 const RootInlineBox& InlineBox::root() const
 {
     if (m_parent)
         return m_parent->root();
     ASSERT(isRootInlineBox());
     return static_cast<const RootInlineBox&>(*this);
 }
@@ skipping 125 matching lines @@
         b->showTreeForThis();
 }
 
 void showLineTree(const blink::InlineBox* b)
 {
     if (b)
         b->showLineTreeForThis();
 }
 
 #endif