GitLab

Make a copy of the Controller's RepeatingClosure before running it in
case the Controller is deleted by the callback. This is a speculative
fix for a crash seen on macOS when running a Controller's callback.

R=fdoray@chromium.org

Bug: 1156603
Change-Id: Ib6049c9346f37071ae6a690fff3d6e8585b4a356
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2598902
Auto-Submit: Greg Thompson <grt@chromium.org>
Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Commit-Queue: Greg Thompson <grt@chromium.org>
Cr-Commit-Position: refs/heads/master@{#839728}