Bug 283598

Created attachment 473346 [details] Test Loading the attached file in MiniBrowser triggers the dirty layout assertion: ERROR: post-layout: dirty renderer(s) /Volumes/Data/Development/system/webkit/OpenSource/Source/WebCore/page/LocalFrameViewLayoutContext.cpp(92) : auto WebCore::RenderTreeNeedsLayoutChecker::~RenderTreeNeedsLayoutChecker()::(anonymous class)::operator()(const RenderObject &) const (B)lock/(I)nline/I(N)line-block, (A)bsolute/Fi(X)ed/(R)elative/Stic(K)y, (F)loating, (O)verflow clip, Anon(Y)mous, (G)enerated, has(L)ayer, hasLayer(S)crollableArea, (C)omposited, Content-visibility:(H)idden/(A)uto, (S)kipped content, (+)Dirty style, (+)Dirty layout B---YGLSC-- -- RenderView at (0,0) size 1346x1114 renderer (0x13e00b990) layout box (0x0) layout id->[2] B-----LS--- -- HTML RenderBlock at (0,0) size 1346x1114 renderer (0x13e013b10) layout box (0x0) node (0x13e0096d0) layout id->[1] B---------- -- BODY RenderBody at (8,8) size 1330x1098 renderer (0x13e0140b0) layout box (0x0) node (0x13e007990) layout id->[1] BA-O--LS--- -+* DIALOG RenderBlock at (646,0) size 38x38 renderer (0x13e01d750) layout box (0x0) node (0x13e03f000) layout->[self] layout id->[1] B--O--LS--- -- DIV RenderBlock at (19,19) size 0x0 renderer (0x13e01da20) layout box (0x0) node (0x13e01d060) layout id->[1] BX--YGL---- -- RenderBlock (::backdrop) at (0,0) size 1346x1114 renderer (0x13e01dcf0) layout box (0x0) layout id->[2]