*** FOR PROTOTYPE PURPOSES ONLY! NOT INTENDED FOR COMMIT! ***

Source/core/rendering/RenderBlock.h

 /*
  * 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 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.
@@ skipping 85 matching lines @@
     InlineFlowBox* firstLineBox() const { return m_lineBoxes.firstLineBox(); }
     InlineFlowBox* lastLineBox() const { return m_lineBoxes.lastLineBox(); }
 
     // FIXME-BLOCKFLOW: Remove virtualizaion when all callers have moved to RenderBlockFlow
     virtual void deleteLineBoxTree();
 
     virtual void addChild(RenderObject* newChild, RenderObject* beforeChild = 0) OVERRIDE;
     virtual void removeChild(RenderObject*) OVERRIDE;
 
     virtual void layoutBlock(bool relayoutChildren);
+    virtual void preLayoutBlock(bool relayoutChildren, bool traverseChildren);
+    virtual bool postLayoutBlock();
 
     void insertPositionedObject(RenderBox*);
     static void removePositionedObject(RenderBox*);
     void removePositionedObjects(RenderBlock*, ContainingBlockState = SameContainingBlock);
 
     TrackedRendererListHashSet* positionedObjects() const;
     bool hasPositionedObjects() const
     {
         TrackedRendererListHashSet* objects = positionedObjects();
         return objects && !objects->isEmpty();
@@ skipping 199 matching lines @@
     // inline-block elements paint all phases atomically. This function ensures that. Certain other elements
     // (grid items, flex items) require this behavior as well, and this function exists as a helper for them.
     // It is expected that the caller will call this function independent of the value of paintInfo.phase.
     static void paintAsInlineBlock(RenderObject*, PaintInfo&, const LayoutPoint&);
 protected:
     virtual void willBeDestroyed() OVERRIDE;
 
     void dirtyForLayoutFromPercentageHeightDescendants(SubtreeLayoutScope&);
 
     virtual void layout() OVERRIDE;
+    virtual void preLayout() OVERRIDE;
+    virtual void postLayout() OVERRIDE;
     virtual bool updateImageLoadingPriorities() OVERRIDE FINAL;
 
     void layoutPositionedObjects(bool relayoutChildren, bool fixedPositionObjectsOnly = false);
     void markFixedPositionObjectForLayoutIfNeeded(RenderObject* child, SubtreeLayoutScope&);
 
     LayoutUnit marginIntrinsicLogicalWidthForChild(RenderBox* child) const;
 
     int beforeMarginInLineDirection(LineDirectionMode) const;
 
     virtual bool supportsPartialLayout() const OVERRIDE { return true; };
@@ skipping 298 matching lines @@
             return false;
     }
     return true;
 }
 
 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderBlock, isRenderBlock());
 
 } // namespace WebCore
 
 #endif // RenderBlock_h