Add NeedsPreferredWidthsRecalculation() for block

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 435 matching lines @@
                                              LayoutBox&);
 
   // TODO(jchaffraix): We should rename this function as inline-flex and
   // inline-grid as also covered.
   // Alternatively it should be removed as we clarify the meaning of
   // isAtomicInlineLevel to imply isInline.
   bool IsInlineBlockOrInlineTable() const final {
     return IsInline() && IsAtomicInlineLevel();
   }
 
+  bool NeedsPreferredWidthsRecalculation() const override;
+
  private:
   LayoutObjectChildList* VirtualChildren() final { return Children(); }
   const LayoutObjectChildList* VirtualChildren() const final {
     return Children();
   }
 
   bool IsLayoutBlock() const final { return true; }
 
   virtual void RemoveLeftoverAnonymousBlock(LayoutBlock* child);
 
@@ skipping 102 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