First pass at removing dead vertical writing mode code.

sky/engine/core/dom/Position.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2009 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 726 matching lines @@
 
                 if (continuesOnNextLine)
                     return currentPos;
             }
         }
     }
 
     return lastVisible;
 }
 
-static int boundingBoxLogicalHeight(RenderObject *o, const IntRect &rect)
-{
-    return o->style()->isHorizontalWritingMode() ? rect.height() : rect.width();
-}
-
 bool Position::hasRenderedNonAnonymousDescendantsWithHeight(RenderObject* renderer)
 {
     RenderObject* stop = renderer->nextInPreOrderAfterChildren();
     for (RenderObject *o = renderer->slowFirstChild(); o && o != stop; o = o->nextInPreOrder())
         if (o->nonPseudoNode()) {
-            if ((o->isText() && boundingBoxLogicalHeight(o, toRenderText(o)->linesBoundingBox()))
+            if ((o->isText() && toRenderText(o)->linesBoundingBox().height())
                 || (o->isBox() && toRenderBox(o)->pixelSnappedLogicalHeight())
-                || (o->isRenderInline() && isEmptyInline(o) && boundingBoxLogicalHeight(o, toRenderInline(o)->linesBoundingBox())))
+                || (o->isRenderInline() && isEmptyInline(o) && toRenderInline(o)->linesBoundingBox().height()))
                 return true;
         }
     return false;
 }
 
 bool Position::nodeIsUserSelectNone(Node* node)
 {
     return node && node->renderer() && !node->renderer()->isSelectable();
 }
 
@@ skipping 475 matching lines @@
     pos.showTreeForThis();
 }
 
 void showTree(const blink::Position* pos)
 {
     if (pos)
         pos->showTreeForThis();
 }
 
 #endif