UNCONFIRMED Bug 112822
Web Inspector: Fixed backgrounds don't appear in the layer list 
https://bugs.webkit.org/show_bug.cgi?id=112822
Summary Web Inspector: Fixed backgrounds don't appear in the layer list
Jake Archibald
Reported 2013-03-20 10:33:46 PDT
Press "background" on the demo page to add a fixed background. The background image to its own layer, which can be seen if you show composited borders, however nothing appears in the layer list for the page. I guess this is because the background image gets its own layer, rather than the element with the background image getting a layer.
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Antoine Quint
Comment 1 2013-03-20 12:26:41 PDT
According to Simon Fraser, fixed backgrounds don't generate a RenderLayer, but rather a special GraphicsLayer directly attached to the root layer's RenderLayerBacking. As such, we'd need special code in the inspector to know how to deal with this, and how to generate a Layer object for a GraphicsLayer vs. a RenderLayer.
Radar WebKit Bug Importer
Comment 2 2013-03-20 12:27:14 PDT
<rdar://problem/13464729>
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