They happen right after each other anyway. Merging them saves one mutex
scope.

R=ahaas@chromium.org

Change-Id: Id3ed564e6f7d8dce78022e6ded238d41c6beb333
Reviewed-on: https://chromium-review.googlesource.com/c/1405858Reviewed-by: Andreas Haas <ahaas@chromium.org>
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58772}