layer at (0,0) size 800x600
  LayoutView at (0,0) size 800x600
layer at (0,0) size 800x70
  LayoutBlockFlow {HTML} at (0,0) size 800x70
    LayoutBlockFlow {BODY} at (8,8) size 784x54
      LayoutText {#text} at (0,0) size 783x35
        text run at (0,0) width 605: "Simple test of composited iframe content. There should be a blue box with a gray background "
        text run at (604,0) width 179: "inside the black border. The"
        text run at (0,18) width 392: "gray background should fit perfectly within the block border "
        text run at (391,18) width 91: "with no gaps. "
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      LayoutBR {BR} at (0,36) size 0x17
      LayoutText {#text} at (0,0) size 0x0
layer at (100,100) size 440x340
  LayoutIFrame (positioned) {IFRAME} at (100,100) size 440x340 [border: (20px solid #000000)]
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      LayoutView at (0,0) size 400x300
    layer at (0,0) size 400x230
      LayoutBlockFlow {HTML} at (0,0) size 400x230
        LayoutBlockFlow {BODY} at (8,10) size 384x210 [bgcolor=#C0C0C0]
    layer at (18,10) size 210x210
      LayoutBlockFlow {DIV} at (10,0) size 210x210 [bgcolor=#0000FF]