See https://w3c.github.io/webdriver/webdriver-spec.html#dfn-deserialize-as-a-timeout "If value is not an integer, or it is less than 0 or greater than 2^64 – 1, return error with error code invalid argument."
Created attachment 325006 [details] Patch
Comment on attachment 325006 [details] Patch r=me
Committed r224089: <https://trac.webkit.org/changeset/224089>
<rdar://problem/35568032>