When webkit is displaying a pdf, mousing over the bottom of the display brings up a HUD (enlarge, shrink, open in Preview (Mac), and download pdf. I'd like to disable this display (I don't want it to appear). I gather that this is generated in WebPDFView, which I'm told is not exposed in the API. I'd ask that it be available so that we can turn it off if it's not appropriate for our apps.
rdar://problem/5926629
Confirmed as enhancement request.