GitLab

This CL converts base::Bind and base::Callback in //ppapi/shared_impl to
Once or Repeating

Bug: 1007817
Change-Id: I5045b05239dfe9302b4df5bb035f709123de3bfc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2080856Reviewed-by: Bill Budge <bbudge@chromium.org>
Commit-Queue: Jun Cai <juncai@chromium.org>
Cr-Commit-Position: refs/heads/master@{#745685}