Convert Pass()→std::move() in //storage

❆(੭ु ◜◡‾)੭ु⁾☃❆

BUG=557422
R=avi@chromium.org
TBR=kinuko@chromium.org

Review URL: https://codereview.chromium.org/1546243002

Cr-Commit-Position: refs/heads/master@{#366944}
24 files changed