This reverts commit 0fbe2717.

Reason for revert: Debug data has been collected. Removing debug code.

Original change's description:
> [inspector] Add extra debug code to investigate crbug/897816
> 
> BUG=chromium:897816
> 
> Change-Id: Ie28efcab73ccbcb6d8b1a7508b99aec59f3a3ae3
> Reviewed-on: https://chromium-review.googlesource.com/c/1384795
> Reviewed-by: Dmitry Gozman <dgozman@chromium.org>
> Commit-Queue: Alexei Filippov <alph@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#58383}

TBR=dgozman@chromium.org,alph@chromium.org

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

Bug: chromium:897816
Change-Id: I6b2b5dae2b7e42843d72573ba598e5acfec3514b
Reviewed-on: https://chromium-review.googlesource.com/c/1390926Reviewed-by: Alexei Filippov <alph@chromium.org>
Commit-Queue: Alexei Filippov <alph@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58481}