layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x266
  RenderBlock {HTML} at (0,0) size 800x266
    RenderBody {BODY} at (8,8) size 784x242
      RenderBlock (anonymous) at (0,0) size 784x208
        RenderPartObject {IFRAME} at (0,0) size 304x204 [border: (2px inset #000000)]
          layer at (0,0) size 300x200
            RenderView at (0,0) size 300x200
          layer at (0,0) size 300x151
            RenderBlock {HTML} at (0,0) size 300x151
              RenderBody {BODY} at (8,33) size 284x110
                RenderBlock {DIV} at (60,0) size 150x110 [bgcolor=#008000]
        RenderText {#text} at (0,0) size 0x0
      RenderBlock {P} at (0,224) size 784x18
        RenderText {#text} at (0,0) size 282x17
          text run at (0,0) width 282: "This test must be run via DumpRenderTree."