Fixing clang-tidy warning.

Bug: v8:8015
Cq-Include-Trybots: luci.chromium.try:linux_chromium_rel_ng
Change-Id: Ibc5124e06f5774e7695029e2d21084a7efb965e6
Reviewed-on: https://chromium-review.googlesource.com/1224412
Commit-Queue: Florian Sattler <sattlerf@google.com>
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Reviewed-by: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56065}