[LayoutNG] Abort a layout once the BFC offset is resolved.

third_party/WebKit/Source/core/layout/LayoutBlockFlow.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) 2003-2013 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
@@ skipping 390 matching lines @@
   }
 
   LayoutUnit LogicalHeightWithVisibleOverflow() const final;
 
   // This function is only public so we can call it from NGBlockNode while we're
   // still working on LayoutNG.
   void UpdateIsSelfCollapsing() {
     is_self_collapsing_ = CheckIfIsSelfCollapsingBlock();
   }
 
+  // This function is only public so we can call it from NGBlockNode while we're
+  // still working on LayoutNG.
+  void AddOverflowFromFloats();
+
 #ifndef NDEBUG
   void ShowLineTreeAndMark(const InlineBox* = nullptr,
                            const char* = nullptr,
                            const InlineBox* = nullptr,
                            const char* = nullptr,
                            const LayoutObject* = nullptr) const;
 #endif
 
  protected:
   void RebuildFloatsFromIntruding();
   void LayoutInlineChildren(bool relayout_children, LayoutUnit after_edge);
   void AddLowestFloatFromChildren(LayoutBlockFlow*);
 
   void CreateFloatingObjects();
 
   void WillBeDestroyed() override;
   void StyleWillChange(StyleDifference,
                        const ComputedStyle& new_style) override;
   void StyleDidChange(StyleDifference, const ComputedStyle* old_style) override;
 
   void UpdateBlockChildDirtyBitsBeforeLayout(bool relayout_children,
                                              LayoutBox&);
 
-  void AddOverflowFromFloats();
-
   void ComputeSelfHitTestRects(Vector<LayoutRect>&,
                                const LayoutPoint& layer_offset) const override;
 
   void AbsoluteRects(Vector<IntRect>&,
                      const LayoutPoint& accumulated_offset) const override;
   void AbsoluteQuads(Vector<FloatQuad>&,
                      MapCoordinatesFlags mode = 0) const override;
   void AbsoluteQuadsForSelf(Vector<FloatQuad>& quads,
                             MapCoordinatesFlags mode = 0) const override;
   LayoutObject* HoverAncestor() const final;
@@ skipping 528 matching lines @@
   void PositionDialog();
 
   // END METHODS DEFINED IN LayoutBlockFlowLine
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutBlockFlow, IsLayoutBlockFlow());
 
 }  // namespace blink
 
 #endif  // LayoutBlockFlow_h