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Also, remove the various ACTION_TEMPLATEs and replace them with aliases
to RunOnceCallback.

Bug: 1018338
Change-Id: Ib6c4b04d3d75b5b4efcadeb8a01bd6e3a142d622
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1918785
Commit-Queue: Anand Mistry <amistry@chromium.org>
Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Cr-Commit-Position: refs/heads/master@{#716051}