Remove the concept of staticly positioned absolutes.

sky/engine/core/rendering/RenderBlock.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2010. 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
@@ skipping 384 matching lines @@
 {
     TrackedRendererListHashSet* positionedDescendants = positionedObjects();
     if (!positionedDescendants)
         return;
 
     RenderBox* r;
     TrackedRendererListHashSet::iterator end = positionedDescendants->end();
     for (TrackedRendererListHashSet::iterator it = positionedDescendants->begin(); it != end; ++it) {
         r = *it;
 
-        SubtreeLayoutScope layoutScope(*r);
-
-        // When a non-positioned block element moves, it may have positioned children that are implicitly positioned relative to the
-        // non-positioned block.  Rather than trying to detect all of these movement cases, we just always lay out positioned
-        // objects that are positioned implicitly like this.  Such objects are rare, and so in typical DHTML menu usage (where everything is
-        // positioned explicitly) this should not incur a performance penalty.
-        if (relayoutChildren || (r->style()->hasStaticBlockPosition() && r->parent() != this))
-            layoutScope.setChildNeedsLayout(r);
-
         // If relayoutChildren is set and the child has percentage padding or an embedded content box, we also need to invalidate the childs pref widths.
         if (relayoutChildren && r->needsPreferredWidthsRecalculation())
             r->setPreferredLogicalWidthsDirty(MarkOnlyThis);
 
         if (info == ForcedLayoutAfterContainingBlockMoved)
             r->setNeedsPositionedMovementLayout();
 
         r->layoutIfNeeded();
     }
 }
@@ skipping 1308 matching lines @@
 void RenderBlock::showLineTreeAndMark(const InlineBox* markedBox1, const char* markedLabel1, const InlineBox* markedBox2, const char* markedLabel2, const RenderObject* obj) const
 {
     showRenderObject();
     for (const RootInlineBox* root = firstRootBox(); root; root = root->nextRootBox())
         root->showLineTreeAndMark(markedBox1, markedLabel1, markedBox2, markedLabel2, obj, 1);
 }
 
 #endif
 
 } // namespace blink