[css-grid] Refactor code to manage positioned items

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2006, 2007, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google 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 233 matching lines @@
     LayoutUnit borderAndPaddingOver() const { return borderOver() + paddingOver(); }
     LayoutUnit borderAndPaddingUnder() const { return borderUnder() + paddingUnder(); }
 
     LayoutUnit borderAndPaddingHeight() const { return borderTop() + borderBottom() + paddingTop() + paddingBottom(); }
     LayoutUnit borderAndPaddingWidth() const { return borderLeft() + borderRight() + paddingLeft() + paddingRight(); }
     LayoutUnit borderAndPaddingLogicalHeight() const { return hasBorderOrPadding() ? borderAndPaddingBefore() + borderAndPaddingAfter() : LayoutUnit(); }
     LayoutUnit borderAndPaddingLogicalWidth() const { return borderStart() + borderEnd() + paddingStart() + paddingEnd(); }
     LayoutUnit borderAndPaddingLogicalLeft() const { return style()->isHorizontalWritingMode() ? borderLeft() + paddingLeft() : borderTop() + paddingTop(); }
 
     LayoutUnit borderLogicalLeft() const { return LayoutUnit(style()->isHorizontalWritingMode() ? borderLeft() : borderTop()); }
+    LayoutUnit borderLogicalRight() const { return LayoutUnit(style()->isHorizontalWritingMode() ? borderRight() : borderBottom()); }
 
     LayoutUnit paddingLogicalWidth() const { return paddingStart() + paddingEnd(); }
     LayoutUnit paddingLogicalHeight() const { return paddingBefore() + paddingAfter(); }
 
     virtual LayoutRectOutsets marginBoxOutsets() const = 0;
     virtual LayoutUnit marginTop() const = 0;
     virtual LayoutUnit marginBottom() const = 0;
     virtual LayoutUnit marginLeft() const = 0;
     virtual LayoutUnit marginRight() const = 0;
     virtual LayoutUnit marginBefore(const ComputedStyle* otherStyle = nullptr) const = 0;
@@ skipping 127 matching lines @@
     OwnPtr<PaintLayer> m_layer;
 
     OwnPtr<LayoutBoxModelObjectRareData> m_rareData;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutBoxModelObject, isBoxModelObject());
 
 } // namespace blink
 
 #endif // LayoutBoxModelObject_h