GitLab

base::Bind is deprecated. Converted the callback for the SessionRestore
observer to BindRepeating, while the other uses are converted to BindOnce.

BUG=714018,b:116527691
TEST=Unit tests pass

Change-Id: Ieef3f8b40f057d64265f8524b2b779ee7ce8806b
Reviewed-on: https://chromium-review.googlesource.com/c/1340605Reviewed-by: Ilya Sherman <isherman@chromium.org>
Commit-Queue: Gabriel Marin <gmx@chromium.org>
Cr-Commit-Position: refs/heads/master@{#609458}