GitLab

> Reason for revert:
> This broke Win 64:
> https://build.chromium.org/p/chromium.win/buildstatus?builder=Win%20x64%20Builder%20%28dbg%29&number=56316
>
> Original issue's description:
> > [tracing] Add heap profiler perftests.
> >
> > This CL creates a generic place for heap profiler perftests, and adds
> > couple of stack frame deduplicator related perftests.
> >
> > BUG=739378
> >
> > Review-Url: https://codereview.chromium.org/2976843002
> > Cr-Commit-Position: refs/heads/master@{#486544}
> > Committed: https://chromium.googlesource.com/chromium/src/+/f43d398eac5c9d4c2bccda6d2630d108bbed1c99
>
> TBR=primiano@chromium.org,dskiba@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=739378
>
> Review-Url: https://codereview.chromium.org/2981833002
> Cr-Commit-Position: refs/heads/master@{#486555}

TBR=primiano@chromium.org

BUG=739378

Review-Url: https://codereview.chromium.org/2975133004
Cr-Commit-Position: refs/heads/master@{#486744}