GitLab

SiteForCookies's member functions check the scheme length to
determine if the object is valid for that operation.

In an effort to centralize the logic use IsNull instead.

Change-Id: I131a946d5547d1cf944c365fabebe9a67391ae73
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2135899Reviewed-by: Maksim Orlovich <morlovich@chromium.org>
Commit-Queue: Steven Bingler <bingler@chromium.org>
Cr-Commit-Position: refs/heads/master@{#756783}