LayoutTests/compositing/iframes/invisible-nested-iframe-hide-expected.txt

(GraphicsLayer
  (bounds 800.00 600.00)
  (children 1
    (GraphicsLayer
      (bounds 800.00 600.00)
      (contentsOpaque 1)
      (children 1
        (GraphicsLayer
          (position 18.00 10.00)
          (bounds 210.00 210.00)
          (contentsOpaque 1)
        )
      )
    )
  )
)