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This CL converts base::Bind to Once or Repeating and base::Callback to
Once or Repeating in //media/test directory.

Bug: 1007812
Change-Id: I482a583dcf004927c84975c6cb1bcf01adf00b53
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2082024Reviewed-by: Xiaohan Wang <xhwang@chromium.org>
Commit-Queue: Jun Cai <juncai@chromium.org>
Cr-Commit-Position: refs/heads/master@{#747834}