[LayoutNG] Compute baseline from fragment tree

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
@@ skipping 115 matching lines @@
   // These two functions are overridden for inline-block.
   LayoutUnit LineHeight(
       bool first_line,
       LineDirectionMode,
       LinePositionMode = kPositionOnContainingLine) const final;
   int BaselinePosition(
       FontBaseline,
       bool first_line,
       LineDirectionMode,
       LinePositionMode = kPositionOnContainingLine) const override;
+  bool UseLogicalBottomMarginEdgeForInlineBlockBaseline() const;
 
   LayoutUnit MinLineHeightForReplacedObject(bool is_first_line,
                                             LayoutUnit replaced_height) const;
 
   virtual bool CreatesNewFormattingContext() const { return true; }
 
   const char* GetName() const override;
 
  protected:
   // Insert a child correctly into the tree when |beforeDescendant| isn't a
@@ skipping 420 matching lines @@
   // TODO(loonybear): 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