GitLab

These tests accidentally were submitted with absl::make_unique and they
fail when C++17 build flags are set.

BUG=752720

Change-Id: Ia3ec81a155553236e937a8598f2ef174fb7c5719
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1693022Reviewed-by: Vadym Doroshenko <dvadym@chromium.org>
Commit-Queue: Dave Tapuska <dtapuska@chromium.org>
Cr-Commit-Position: refs/heads/master@{#675652}