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 53x18 text run at (0,0) width 53: "Test for " RenderInline {I} at (0,0) size 759x36 RenderInline {A} at (0,0) size 301x18 [color=#0000EE] RenderText {#text} at (53,0) size 301x18 text run at (53,0) width 301: "http://bugs.webkit.org/show_bug.cgi?id=16426" RenderText {#text} at (354,0) size 759x36 text run at (354,0) width 4: " " text run at (358,0) width 401: "Divs with overflow:auto: scrollbars not correctly updated when" text run at (0,18) width 102: "contents change" RenderText {#text} at (102,18) size 4x18 text run at (102,18) width 4: "." RenderBlock {P} at (0,52) size 784x18 RenderText {#text} at (0,0) size 326x18 text run at (0,0) width 326: "The thumb should be in the middle of the scroll bar." layer at (8,94) size 200x200 clip at (8,94) size 185x200 scrollY 200 scrollHeight 600 RenderBlock {DIV} at (0,86) size 200x200 RenderBlock {DIV} at (0,0) size 185x600