Delete a ton more dead vertical writing mode code.

sky/engine/core/rendering/RenderLineBoxList.cpp

 /*
  * Copyright (C) 2008 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 137 matching lines @@
     RenderBox* block;
     if (renderer->isBox())
         block = toRenderBox(renderer);
     else
         block = renderer->containingBlock();
     LayoutUnit physicalStart = block->flipForWritingMode(logicalTop);
     LayoutUnit physicalEnd = block->flipForWritingMode(logicalBottom);
     LayoutUnit physicalExtent = absoluteValue(physicalEnd - physicalStart);
     physicalStart = std::min(physicalStart, physicalEnd);
 
-    if (renderer->style()->isHorizontalWritingMode()) {
-        physicalStart += offset.y();
-        if (physicalStart >= rect.maxY() || physicalStart + physicalExtent <= rect.y())
-            return false;
-    } else {
-        physicalStart += offset.x();
-        if (physicalStart >= rect.maxX() || physicalStart + physicalExtent <= rect.x())
-            return false;
-    }
+    physicalStart += offset.y();
+    if (physicalStart >= rect.maxY() || physicalStart + physicalExtent <= rect.y())
+        return false;
 
     return true;
 }
 
 bool RenderLineBoxList::anyLineIntersectsRect(RenderBoxModelObject* renderer, const LayoutRect& rect, const LayoutPoint& offset) const
 {
     // We can check the first box and last box and avoid painting/hit testing if we don't
     // intersect.  This is a quick short-circuit that we can take to avoid walking any lines.
     // FIXME: This check is flawed in the following extremely obscure way:
     // if some line in the middle has a huge overflow, it might actually extend below the last line.
@@ skipping 189 matching lines @@
         ASSERT(child->prevLineBox() == prev);
         prev = child;
     }
     ASSERT(prev == m_lastLineBox);
 #endif
 }
 
 #endif
 
 }