Right, but all this does is close off one possible avenue for a clever attacker to cobble together an HRT. Given the sheer number of JS APIs that have been thro

Right, but all this does is close off one possible avenue for a clever attacker to cobble together an HRT. Given the sheer number of JS APIs that have been thrown into browsers, I think it's pretty naive to imagine that we've closed off the only possible avenue to jury-rig a sufficiently precise measure of time.