Robert O'Callahan wrote:

I suppose we could try ignoring WM_MOUSE_MOVEs when there's a Gecko event 
pending, but that sounds kinda scary. I think deferring DOM mousemove events to 
the next refresh driver tick would be safer than that.
Currently we peek for WM_MOUSEFIRST to WM_MOUSELAST, where conveniently WM_MOUSEFIRST == WM_MOUSEMOVE, so couldn't we exclude WM_MOUSEMOVE from the native events that we check for? Then they would get picked up when the system wasn't so busy.

--
Warning: May contain traces of nuts.
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