I just updated Chrome to version 16.0.912.63 and now I get hundreds of errors using jQuery 1.7.1. Seems to fire whenever the mouse is moved...
event.layerX and e
You should only worry about this if it is:
layerX
and layerY
all over the placeThe message is just telling you that those two properties are deprecated (at least in Webkit) and will be removed from jQuery in the near future.