GitLab

Previously simple cache 2 stream's EOF signature was checked at end of the read, not when the entry was opened.

R=morlovich@chromium.org

Change-Id: Ic7672fbaa7bcec19337a9004da8c966b8a0029c7
Reviewed-on: https://chromium-review.googlesource.com/c/1477830Reviewed-by: Maks Orlovich <morlovich@chromium.org>
Commit-Queue: Konstantin Ganenko <ganenkokb@yandex-team.ru>
Cr-Commit-Position: refs/heads/master@{#634642}