[css-grid] Fix behavior of positioned items without specific dimensions

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2006, 2007 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 710 matching lines @@
 
   LayoutUnit OverrideContainingBlockContentLogicalWidth() const;
   LayoutUnit OverrideContainingBlockContentLogicalHeight() const;
   bool HasOverrideContainingBlockLogicalWidth() const;
   bool HasOverrideContainingBlockLogicalHeight() const;
   void SetOverrideContainingBlockContentLogicalWidth(LayoutUnit);
   void SetOverrideContainingBlockContentLogicalHeight(LayoutUnit);
   void ClearContainingBlockOverrideSize();
   void ClearOverrideContainingBlockContentLogicalHeight();
 
-  LayoutUnit ExtraInlineOffset() const;
-  LayoutUnit ExtraBlockOffset() const;
-  void SetExtraInlineOffset(LayoutUnit inline_offest);
-  void SetExtraBlockOffset(LayoutUnit block_offest);
-  void ClearExtraInlineAndBlockOffests();
-
   LayoutSize OffsetFromContainer(const LayoutObject*) const override;
 
   LayoutUnit AdjustBorderBoxLogicalWidthForBoxSizing(float width) const;
   LayoutUnit AdjustBorderBoxLogicalHeightForBoxSizing(float height) const;
   LayoutUnit AdjustContentBoxLogicalWidthForBoxSizing(float width) const;
   LayoutUnit AdjustContentBoxLogicalHeightForBoxSizing(float height) const;
 
   // ComputedMarginValues holds the actual values for margins. It ignores
   // margin collapsing as they are handled in LayoutBlockFlow.
   // The margins are stored in logical coordinates (see COORDINATE
@@ skipping 991 matching lines @@
          break_value == EBreakBetween::kLeft ||
          break_value == EBreakBetween::kPage ||
          break_value == EBreakBetween::kRecto ||
          break_value == EBreakBetween::kRight ||
          break_value == EBreakBetween::kVerso;
 }
 
 }  // namespace blink
 
 #endif  // LayoutBox_h