Revert of Try to figure out where the page state with invalid referrers comes from...

Revert of Try to figure out where the page state with invalid referrers comes from (patchset #3 id:40001 of https://codereview.chromium.org/882133002/)

Reason for revert:
Top crasher in Mac Canary 42.0.2303.0:

https://code.google.com/p/chromium/issues/detail?id=458221

Original issue's description:
> Try to figure out where the page state with invalid referrers comes from
>
> BUG=450589
> R=mkwst@chromium.org
>
> Committed: https://chromium.googlesource.com/chromium/src/+/7e25c2f98348c1a20caec53ffc166a89536d3a71

TBR=mkwst@chromium.org,jochen@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=450589

Review URL: https://codereview.chromium.org/923643002

Cr-Commit-Position: refs/heads/master@{#316021}