[css-grid] Clamp the number of auto repeat tracks in all cases

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 102 matching lines @@
                 LayoutObject* beforeChild = nullptr) override;
   void removeChild(LayoutObject*) override;
 
   void styleDidChange(StyleDifference, const ComputedStyle*) override;
 
   bool explicitGridDidResize(const ComputedStyle&) const;
   bool namedGridLinesDefinitionDidChange(const ComputedStyle&) const;
 
   size_t computeAutoRepeatTracksCount(GridTrackSizingDirection,
                                       SizingOperation) const;
+  size_t clampAutoRepeatTracks(GridTrackSizingDirection,
+                               size_t autoRepeatTracks) const;
 
   std::unique_ptr<OrderedTrackIndexSet> computeEmptyTracksForAutoRepeat(
       Grid&,
       GridTrackSizingDirection) const;
 
   void placeItemsOnGrid(Grid&, SizingOperation) const;
   void populateExplicitGridAndOrderIterator(Grid&) const;
   std::unique_ptr<GridArea> createEmptyGridAreaAtSpecifiedPositionsOutsideGrid(
       const Grid&,
       const LayoutBox&,
@@ skipping 114 matching lines @@
   LayoutUnit m_maxContentHeight{-1};
 
   Optional<bool> m_hasDefiniteLogicalHeight;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutGrid, isLayoutGrid());
 
 }  // namespace blink
 
 #endif  // LayoutGrid_h