[Webkit-unassigned] [Bug 40751] Composited iframe renders over content in the parent document

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=40751





--- Comment #3 from Simon Fraser (smfr) <simon.fraser at apple.com>  2010-06-17 21:00:04 PST ---
The overlap testing is failing because we only do overlap testing on RendersLayers. Also, if the "main frame top" div is put into a RenderLayer (e.g. with position: relative), then we use the layer bounds for tesing overlap, but those don't include the character ascenders here.

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