Introduce markChildForPaginationRelayoutIfNeeded().

third_party/WebKit/Source/core/layout/LayoutBlock.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 154 matching lines @@
     void setHasMarginBeforeQuirk(bool b) { m_hasMarginBeforeQuirk = b; }
     void setHasMarginAfterQuirk(bool b) { m_hasMarginAfterQuirk = b; }
 
     bool hasMarginBeforeQuirk() const { return m_hasMarginBeforeQuirk; }
     bool hasMarginAfterQuirk() const { return m_hasMarginAfterQuirk; }
 
     bool hasMarginBeforeQuirk(const LayoutBox* child) const;
     bool hasMarginAfterQuirk(const LayoutBox* child) const;
 
     void markPositionedObjectsForLayout();
-    // FIXME: Do we really need this to be virtual? It's just so we can call this on
-    // LayoutBoxes without needed to check whether they're LayoutBlocks first.
-    void markForPaginationRelayoutIfNeeded(SubtreeLayoutScope&) final;
 
     LayoutUnit textIndentOffset() const;
 
     PositionWithAffinity positionForPoint(const LayoutPoint&) override;
 
     LayoutUnit blockDirectionOffset(const LayoutSize& offsetFromBlock) const;
     LayoutUnit inlineDirectionOffset(const LayoutSize& offsetFromBlock) const;
 
     LayoutBlock* blockBeforeWithinSelectionRoot(LayoutSize& offset) const;
 
@@ skipping 234 matching lines @@
     // TODO(lunalu): Temporary in order to ensure compatibility with existing layout test
     // results.
     virtual void adjustChildDebugRect(LayoutRect&) const {}
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutBlock, isLayoutBlock());
 
 } // namespace blink
 
 #endif // LayoutBlock_h