[css-grid] Avoid computing twice the number of auto-repeat columns

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

 /*
  * Copyright (C) 2011 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 114 matching lines @@
     void insertItemIntoGrid(LayoutBox&, const GridArea&);
 
     size_t computeAutoRepeatTracksCount(GridTrackSizingDirection) const;
 
     typedef ListHashSet<size_t> OrderedTrackIndexSet;
     std::unique_ptr<OrderedTrackIndexSet> computeEmptyTracksForAutoRepeat(GridTrackSizingDirection) const;
 
     bool hasAutoRepeatEmptyTracks(GridTrackSizingDirection) const;
     bool isEmptyAutoRepeatTrack(GridTrackSizingDirection, size_t lineNumber) const;
 
-    void placeItemsOnGrid(SizingOperation);
+    void placeItemsOnGrid(size_t autoRepeatColumnsCount);
     void populateExplicitGridAndOrderIterator();
     std::unique_ptr<GridArea> createEmptyGridAreaAtSpecifiedPositionsOutsideGrid(const LayoutBox&, GridTrackSizingDirection, const GridSpan& specifiedPositions) const;
     void placeSpecifiedMajorAxisItemsOnGrid(const Vector<LayoutBox*>&);
     void placeAutoMajorAxisItemsOnGrid(const Vector<LayoutBox*>&);
     void placeAutoMajorAxisItemOnGrid(LayoutBox&, std::pair<size_t, size_t>& autoPlacementCursor);
     GridTrackSizingDirection autoPlacementMajorAxisDirection() const;
     GridTrackSizingDirection autoPlacementMinorAxisDirection() const;
 
     void computeIntrinsicLogicalHeight(GridSizingData&);
     LayoutUnit computeTrackBasedLogicalHeight(const GridSizingData&) const;
@@ skipping 92 matching lines @@
 
     std::unique_ptr<OrderedTrackIndexSet> m_autoRepeatEmptyColumns { nullptr };
     std::unique_ptr<OrderedTrackIndexSet> m_autoRepeatEmptyRows { nullptr };
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutGrid, isLayoutGrid());
 
 } // namespace blink
 
 #endif // LayoutGrid_h