main frame - didStartProvisionalLoadForFrame
frame "f1" - willCloseFrame
main frame - willCloseFrame
main frame - didCommitLoadForFrame
main frame - didClearWindowObjectForFrame
frame "f1" - didStartProvisionalLoadForFrame
main frame - didFinishDocumentLoadForFrame
frame "f1" - willCloseFrame
frame "f1" - didCommitLoadForFrame
frame "f1" - didHandleOnloadEventsForFrame
main frame - didHandleOnloadEventsForFrame
frame "f1" - didFinishDocumentLoadForFrame
frame "f1" - didFinishLoadForFrame
main frame - didFinishLoadForFrame
layer at (0,0) size 800x600
  RenderView at (0,0) size 800x600
layer at (0,0) size 800x600
  RenderBlock {HTML} at (0,0) size 800x600
    RenderBody {BODY} at (8,8) size 784x584
      RenderText {#text} at (0,0) size 482x18
        text run at (0,0) width 482: "This is a test of load callbacks. It is only useful inside the regression test tool."
      RenderBR {BR} at (482,14) size 0x0
      RenderPartObject {IFRAME} at (0,18) size 304x154 [border: (2px inset #000000)]
        layer at (0,0) size 300x150
          RenderView at (0,0) size 300x150
        layer at (0,0) size 300x150
          RenderBlock {HTML} at (0,0) size 300x150
            RenderBody {BODY} at (8,8) size 284x134
              RenderInline {B} at (0,0) size 23x18
                RenderText {#text} at (0,0) size 23x18
                  text run at (0,0) width 23: "test"
      RenderText {#text} at (0,0) size 0x0