Remove more float machinery.

sky/engine/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 310 matching lines @@
     Node* nodeForHitTest() const;
 
     // FIXME-BLOCKFLOW: Remove virtualizaion when all callers have moved to RenderBlockFlow
     virtual void paintFloats(PaintInfo&, const LayoutPoint&, bool) { }
     void paintContents(PaintInfo&, const LayoutPoint&);
     void paintSelection(PaintInfo&, const LayoutPoint&);
     void paintCarets(PaintInfo&, const LayoutPoint&);
 
     bool hasCaret() const;
 
-    virtual bool avoidsFloats() const override { return true; }
-
     bool hitTestContents(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction);
     // FIXME-BLOCKFLOW: Remove virtualizaion when all callers have moved to RenderBlockFlow
     virtual bool hitTestFloats(const HitTestRequest&, HitTestResult&, const HitTestLocation&, const LayoutPoint&) { return false; }
 
     virtual bool isPointInOverflowControl(HitTestResult&, const LayoutPoint& locationInContainer, const LayoutPoint& accumulatedOffset);
 
     void computeBlockPreferredLogicalWidths(LayoutUnit& minLogicalWidth, LayoutUnit& maxLogicalWidth) const;
 
     // Obtains the nearest enclosing block (including this block) that contributes a first-line style to our inline
     // children.
@@ skipping 55 matching lines @@
     RenderLineBoxList m_lineBoxes;   // All of the root line boxes created for this block flow.  For example, <div>Hello<br>world.</div> will have two total lines for the <div>.
 
     LayoutUnit m_pageLogicalOffset;
 
     unsigned m_hasMarginBeforeQuirk : 1; // Note these quirk values can't be put in RenderBlockRareData since they are set too frequently.
     unsigned m_hasMarginAfterQuirk : 1;
     unsigned m_beingDestroyed : 1;
     unsigned m_hasMarkupTruncation : 1;
     unsigned m_hasBorderOrPaddingLogicalWidthChanged : 1;
     mutable unsigned m_hasOnlySelfCollapsingChildren : 1;
-    mutable unsigned m_descendantsWithFloatsMarkedForLayout : 1;
 
     // FIXME-BLOCKFLOW: Remove this when the line layout stuff has all moved out of RenderBlock
     friend class LineBreaker;
 
     // FIXME: This is temporary as we move code that accesses block flow
     // member variables out of RenderBlock and into RenderBlockFlow.
     friend class RenderBlockFlow;
 };
 
 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderBlock, isRenderBlock());
 
 } // namespace blink
 
 #endif // RenderBlock_h