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
      RenderBlock {P} at (0,0) size 784x36
        RenderText {#text} at (0,0) size 744x36
          text run at (0,0) width 744: "This test ensures selection that crosses the shadow DOM boundary of a readonly input element cannot be made by a"
          text run at (0,18) width 79: "mouse drag."
      RenderBlock {P} at (0,52) size 784x36
        RenderText {#text} at (0,0) size 766x36
          text run at (0,0) width 766: "To manually test, select text by a mouse drag starting in \"world\" and ending in \"hello\". Selection should not extend into"
          text run at (0,18) width 116: "the input element."
      RenderBlock {DIV} at (0,104) size 784x28
        RenderTextControl {INPUT} at (0,2) size 59x24 [bgcolor=#FFFFFF] [border: (2px inset #000000)]
        RenderText {#text} at (58,6) size 5x18
          text run at (58,6) width 5: " "
        RenderInline {SPAN} at (0,0) size 39x18
          RenderText {#text} at (62,6) size 39x18
            text run at (62,6) width 39: "world"
        RenderText {#text} at (0,0) size 0x0
layer at (11,117) size 53x18
  RenderBlock {DIV} at (3,3) size 53x18
    RenderText {#text} at (0,0) size 35x18
      text run at (0,0) width 35: "hello"
selection start: position 0 of child 2 {#text} of child 5 {DIV} of body
selection end:   position 2 of child 0 {#text} of child 3 {SPAN} of child 5 {DIV} of body