b0305b1 Cap cookie lifetimes to 7 days for responses from third party IP addresses https://bugs.webkit.org/show_bug.cgi?id=246477 rdar://100831206 Reviewed by John Wilander. Safari currently caps the lifetime of cookies to 7 days, if third-party CNAME cloaking is detected. This helps to mitigate many instances where CNAME cloaking is used to store cookies on device (in the first party context) for