GitLab

This reverts commit 1e3d315d.

Reason for revert: Coalescing looks to have helped, no longer need debugging machinery.
Bug: 896880

Original change's description:
> SQLitePersistentCookieStore: Attempt to diagnose occasional heavy memory consumption
>
> From leak reports, it seems like sometimes the pending operations queue
> just keeps growing and growing, but we still don't know why... so
> DumpWithoutCrashing (once per backend lifetime) if it seems ridiculously
> long.
>
> Thanks to mef@ for the idea.
>
> Bug: 809199
> Change-Id: Ia949be30e50ddcd6f800c4c26268966b6e298bc0
> Reviewed-on: https://chromium-review.googlesource.com/1210367
> Commit-Queue: Maks Orlovich <morlovich@chromium.org>
> Reviewed-by: Victor Costan <pwnall@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#589236}

Bug: 809199
Change-Id: I1ea0cce2ab6987a3b4afb752a5fa2d463be4c9f0
Reviewed-on: https://chromium-review.googlesource.com/c/1329345Reviewed-by: Victor Costan <pwnall@chromium.org>
Reviewed-by: Maks Orlovich <morlovich@chromium.org>
Commit-Queue: Victor Costan <pwnall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#607306}