Replace deprecated ScopedVector<T> in chromeos::NetworkSmsHandler

This CL changes chromeos::NetworkSmsHandler to use
vector<unique_ptr<T>> instead of the deprecated ScopedVector<T>.

BUG=554289
R=stevenjb@chromium.org

Review URL: https://codereview.chromium.org/2283103003 .

Cr-Commit-Position: refs/heads/master@{#415038}
2 files changed