GitLab

This reverts commit bac094f7.

The CHECK captures the crash, no longer needed

Original change's description:
> Convert some DCHECK to CHECK to find cases that download file is not
> properly deleted
> 
> 
> BUG=1028666
> 
> Change-Id: I59b60a897a5f2529d4e61d8632aebe421dbc71b3
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1933738
> Reviewed-by: Xing Liu <xingliu@chromium.org>
> Commit-Queue: Min Qin <qinmin@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#719294}

TBR=qinmin@chromium.org,xingliu@chromium.org

# Not skipping CQ checks because original CL landed > 1 day ago.

Bug: 1028666
Change-Id: Ia0cdac36ec67ad41a669b55bf32343a1dd18afba
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1946430Reviewed-by: Min Qin <qinmin@chromium.org>
Commit-Queue: Min Qin <qinmin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#720533}