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

Bug: 1148570
Change-Id: Ic4d13d66bed7e6a14b952441de17d39f3dfc5618
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2645507
Commit-Queue: Reilly Grant <reillyg@chromium.org>
Commit-Queue: Mitsuru Oshima <oshima@chromium.org>
Auto-Submit: Reilly Grant <reillyg@chromium.org>
Reviewed-by: Mitsuru Oshima <oshima@chromium.org>
Cr-Commit-Position: refs/heads/master@{#846355}