layer at (0,0) size 800x600
  LayoutView at (0,0) size 800x600
layer at (0,0) size 800x600
  LayoutBlockFlow {HTML} at (0,0) size 800x600
    LayoutBlockFlow {BODY} at (8,8) size 784x576
      LayoutBlockFlow {P} at (0,0) size 784x20
        LayoutText {#text} at (0,0) size 627x19
          text run at (0,0) width 627: "This test passes if the custom scrollbar paints in the corrext spot, which is at the bottom of the purple div."
layer at (8,50) size 304x550 clip at (9,51) size 287x533 scrollWidth 302 scrollHeight 1311
  LayoutBlockFlow (positioned) {DIV} at (8,50) size 304x550 [border: (1px solid #FF0000)]
    LayoutBlockFlow {DIV} at (1,412) size 15x900 [bgcolor=#008000]
layer at (9,51) size 302x411 backgroundClip at (9,51) size 287x411 clip at (10,52) size 286x400 scrollWidth 500
  LayoutBlockFlow {DIV} at (1,1) size 302x411 [border: (1px solid #0000FF)]
    LayoutBlockFlow {DIV} at (1,1) size 500x400 [bgcolor=#800080]