Revert 289111 "Revert 288954 "[Sync] Don't synchronously stop da..."
> Revert 288954 "[Sync] Don't synchronously stop datatypes that en..."
>
> Reason for revert: see crbug.com/403098
>
> > [Sync] Don't synchronously stop datatypes that encounter errors
> >
> > The datatype logic may be operating unders assumptions that break when
> > the type is stopped from under it, possibly triggering crashes.
> >
> > BUG=402595,403098
> >
> > Review URL: https://codereview.chromium.org/
462863002
>
> TBR=zea@chromium.org
>
> Review URL: https://codereview.chromium.org/
467923002
TBR=oshima@chromium.org
Review URL: https://codereview.chromium.org/
471683002
Cr-Commit-Position: refs/heads/master@{#289357}
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@289357 0039d316-1c4b-4281-b951-d872f2087c98