[Webkit-unassigned] [Bug 48570] iframes forced into slow scrolling mode by containing RenderLayer sometimes

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=48570





--- Comment #2 from James Robinson <jamesr at chromium.org>  2010-10-28 16:03:55 PST ---
Layer tree dump:

layer 0x7ff0e0204dd8 at (0,0) size 1267x1023
  RenderView 0x7ff0ebfab018 at (0,0) size 1267x1023
 positive z-order list(1)
  layer 0x7ff0ba58ddd8 at (0,0) size 1267x175
    RenderBlock 0x7ff0ebf87b78 {HTML} at (0,0) size 1267x175
   normal flow list(1)
    layer 0x7ff0e02ae018 at (8,8) size 1251x159
      RenderBody 0x7ff0ebf872b8 {BODY} at (8,8) size 1251x159
        RenderPartObject 0x7ff0e02a9718 {IFRAME} at (0,0) size 304x154 [border: (2px inset #000000)]
          layer 0x7ff0ba58d798 at (0,0) size 285x516
            RenderView 0x7ff0bab29018 at (0,0) size 285x150
           positive z-order list(1)
            layer 0x7ff0ba59ca18 at (0,0) size 285x516
              RenderBlock 0x7ff0e02151d8 {HTML} at (0,0) size 285x516 [bgcolor=#EEEEEE]
                RenderBody 0x7ff0e02a97f8 {BODY} at (8,8) size 269x500
                  RenderBlock 0x7ff0e0215d38 {DIV} at (0,0) size 269x500


The layer 0x7ff0e02ae018 (the body's layer it appears) is setting the isOverlapped flag on (WebCore::RenderIFrame *) 0x7ff0e02a9718.

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