[Webkit-unassigned] [Bug 110355] Get rid of "non-composited contents" in CoordinatedLayerTreeHost

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=110355





--- Comment #2 from Rafael Brandao <rafael.lobo at openbossa.org>  2013-02-20 16:31:03 PST ---
(In reply to comment #0)
> The "non composited contents" layer is unncessary - it creates a special-case code path that can be better dealt with by making that a proper GraphicsLayer from the get-go, by returning false from RenderLayerBacking::paintingIntoWindow()

Great idea! These extra code paths were very confusing when I was digging into CGfx and I still don't get where we use the "overlay layer" code path or what it is exactly, besides the name sounds pretty straightforward on what it should be. Could you explain it also?

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