Turns out this is wrong?

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/49882a41627a37025f9b5e3bdc3335ce8e0a2ffe

commit 49882a41627a37025f9b5e3bdc3335ce8e0a2ffe
Author: dmurph <dmurph@chromium.org>
Date: Wed Oct 05 04:05:27 2016

[DurableStorage] Don't grant durable if origin cannot write cookies.

R=michaeln@chromium.org, jww@chromium.org
BUG= 521183 , 652853 , 521082 

Review-Url: https://codereview.chromium.org/2385653005
Cr-Commit-Position: refs/heads/master@{#423072}

[modify] https://crrev.com/49882a41627a37025f9b5e3bdc3335ce8e0a2ffe/chrome/browser/storage/durable_storage_permission_context.cc
[modify] https://crrev.com/49882a41627a37025f9b5e3bdc3335ce8e0a2ffe/chrome/browser/storage/durable_storage_permission_context.h
[modify] https://crrev.com/49882a41627a37025f9b5e3bdc3335ce8e0a2ffe/chrome/browser/storage/durable_storage_permission_context_unittest.cc