Untangle multicol coordinate space conversion from offsetFromContainer().

third_party/WebKit/Source/core/layout/LayoutInline.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 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 122 matching lines @@
     LayoutUnit marginBefore(const ComputedStyle* otherStyle = nullptr) const final;
     LayoutUnit marginAfter(const ComputedStyle* otherStyle = nullptr) const final;
     LayoutUnit marginStart(const ComputedStyle* otherStyle = nullptr) const final;
     LayoutUnit marginEnd(const ComputedStyle* otherStyle = nullptr) const final;
     LayoutUnit marginOver() const final;
     LayoutUnit marginUnder() const final;
 
     void absoluteRects(Vector<IntRect>&, const LayoutPoint& accumulatedOffset) const final;
     void absoluteQuads(Vector<FloatQuad>&, bool* wasFixed) const override;
 
-    LayoutSize offsetFromContainer(const LayoutObject*, const LayoutPoint&, bool* offsetDependsOnPoint = nullptr) const final;
+    LayoutSize offsetFromContainer(const LayoutObject*) const final;
 
     IntRect linesBoundingBox() const;
     LayoutRect visualOverflowRect() const final;
 
     InlineFlowBox* createAndAppendInlineFlowBox();
 
     void dirtyLineBoxes(bool fullLayout);
 
     LineBoxList* lineBoxes() { return &m_lineBoxes; }
     const LineBoxList* lineBoxes() const { return &m_lineBoxes; }
@@ skipping 121 matching lines @@
 
     LayoutObjectChildList m_children;
     LineBoxList m_lineBoxes; // All of the line boxes created for this inline flow.  For example, <i>Hello<br>world.</i> will have two <i> line boxes.
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutInline, isLayoutInline());
 
 } // namespace blink
 
 #endif // LayoutInline_h