[css-grid] Fix painting in RTL

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 75 matching lines @@
         ASSERT_WITH_SECURITY_IMPLICATION(!m_gridIsDirty);
         return m_gridItemsOverflowingGridArea;
     }
 
     int paintIndexForGridItem(const LayoutBox* layoutBox) const
     {
         ASSERT_WITH_SECURITY_IMPLICATION(!m_gridIsDirty);
         return m_gridItemsIndexesMap.get(layoutBox);
     }
 
+    LayoutUnit translateRTLCoordinate(LayoutUnit) const;
+
 private:
     bool isOfType(LayoutObjectType type) const override { return type == LayoutObjectLayoutGrid || LayoutBlock::isOfType(type); }
     void computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, LayoutUnit& maxLogicalWidth) const override;
 
     LayoutUnit computeIntrinsicLogicalContentHeightUsing(const Length& logicalHeightLength, LayoutUnit intrinsicContentHeight, LayoutUnit borderAndPadding) const override;
 
     void addChild(LayoutObject* newChild, LayoutObject* beforeChild = nullptr) override;
     void removeChild(LayoutObject*) override;
 
     void styleDidChange(StyleDifference, const ComputedStyle*) override;
@@ skipping 106 matching lines @@
 
     int m_smallestRowStart;
     int m_smallestColumnStart;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutGrid, isLayoutGrid());
 
 } // namespace blink
 
 #endif // LayoutGrid_h