v8 benchmarks: Allow v8-mark-compactor metric in benchmarks

Bug: 843903
Change-Id: Ia1b60e3a4ee2aa239e3fad7bea198c38484b2840
Reviewed-on: https://chromium-review.googlesource.com/c/1282953
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Ned Nguyen <nednguyen@google.com>
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#600320}
1 file changed