chromium/third_party/blink/web_tests/compositing/iframes/content-visibility-hidden-frame-expected.txt

layer at (0,0)
  LayoutView at (0,0) size 800x600
layer at (0,0)
  LayoutBlockFlow {HTML} at (0,0) size 800x200
    LayoutBlockFlow (children-inline) {BODY} at (0,0) size 800x200
layer at (8,7)
  LayoutIFrame (positioned, block) {IFRAME} at (8,7) size 10x10 (display-locked)