[css-grid] Implement auto-repeat computation

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 138 matching lines @@
     typedef struct GridItemsSpanGroupRange GridItemsSpanGroupRange;
     LayoutUnit currentItemSizeForTrackSizeComputationPhase(TrackSizeComputationPhase, LayoutBox&, GridTrackSizingDirection, GridSizingData&);
     void resolveContentBasedTrackSizingFunctionsForNonSpanningItems(GridTrackSizingDirection, const GridSpan&, LayoutBox& gridItem, GridTrack&, GridSizingData&);
     template <TrackSizeComputationPhase> void resolveContentBasedTrackSizingFunctionsForItems(GridTrackSizingDirection, GridSizingData&, const GridItemsSpanGroupRange&);
     template <TrackSizeComputationPhase> void distributeSpaceToTracks(Vector<GridTrack*>&, const Vector<GridTrack*>* growBeyondGrowthLimitsTracks, GridSizingData&, LayoutUnit& availableLogicalSpace);
 
     typedef HashSet<size_t, DefaultHash<size_t>::Hash, WTF::UnsignedWithZeroKeyHashTraits<size_t>> TrackIndexSet;
     double computeFlexFactorUnitSize(const Vector<GridTrack>&, GridTrackSizingDirection, double flexFactorSum, LayoutUnit& leftOverSpace, const Vector<size_t, 8>& flexibleTracksIndexes, PassOwnPtr<TrackIndexSet> tracksToTreatAsInflexible = nullptr) const;
     double findFlexFactorUnitSize(const Vector<GridTrack>&, const GridSpan&, GridTrackSizingDirection, LayoutUnit leftOverSpace) const;
 
+    const GridTrackSize& rawGridTrackSize(GridTrackSizingDirection, size_t) const;
     GridTrackSize gridTrackSize(GridTrackSizingDirection, size_t) const;
 
     bool updateOverrideContainingBlockContentSizeForChild(LayoutBox&, GridTrackSizingDirection, GridSizingData&);
     LayoutUnit logicalHeightForChild(LayoutBox&, GridSizingData&);
     LayoutUnit minSizeForChild(LayoutBox&, GridTrackSizingDirection, GridSizingData&);
     LayoutUnit minContentForChild(LayoutBox&, GridTrackSizingDirection, GridSizingData&);
     LayoutUnit maxContentForChild(LayoutBox&, GridTrackSizingDirection, GridSizingData&);
     GridAxisPosition columnAxisPositionForChild(const LayoutBox&) const;
     GridAxisPosition rowAxisPositionForChild(const LayoutBox&) const;
     LayoutUnit rowAxisOffsetForChild(const LayoutBox&, GridSizingData&) const;
@@ skipping 62 matching lines @@
 
     size_t m_autoRepeatColumns { 0 };
     size_t m_autoRepeatRows { 0 };
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutGrid, isLayoutGrid());
 
 } // namespace blink
 
 #endif // LayoutGrid_h