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This change converts callbacks from base::Bind and base::Callback to
Once/Repeating in //chrome/browser/chromeos/drive.

Bug: 1148570
Change-Id: I3c3e2730a1f9b8ba655c818ee7991cbbba62d7f4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2645030
Auto-Submit: Reilly Grant <reillyg@chromium.org>
Commit-Queue: Kazuhiro Inaba <kinaba@chromium.org>
Reviewed-by: Kazuhiro Inaba <kinaba@chromium.org>
Cr-Commit-Position: refs/heads/master@{#846449}