LayoutTests/platform/gtk/compositing/geometry/composited-in-columns-expected.txt

 (GraphicsLayer
  (anchor 0.00 0.00)
  (bounds 800.00 600.00)
  (children 1
    (GraphicsLayer
      (bounds 800.00 600.00)
      (contentsOpaque 1)
      (children 2
        (GraphicsLayer
          (offsetFromRenderer width=-5 height=-5)
          (position 14.00 162.00)
          (bounds 210.00 60.00)
          (drawsContent 1)
          (children 1
            (GraphicsLayer
              (position 5.00 5.00)
              (bounds 50.00 50.00)
              (contentsOpaque 1)
            )
          )
        )
        (GraphicsLayer
          (offsetFromRenderer width=-5 height=-5)
          (position 272.00 88.00)
          (bounds 210.00 60.00)
          (drawsContent 1)
          (children 1
            (GraphicsLayer
              (position 5.00 5.00)
              (bounds 50.00 50.00)
              (contentsOpaque 1)
            )
          )
        )
      )
    )
  )
)