GitLab

This CL replaces Closure with OnceClosure to reduce the copy of
callback.

Bug: 1020668
Test: run vda_tests on kevin

Change-Id: I36814346c52217eb8b17cda4799d7f947ccec817
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1974723
Commit-Queue: Chih-Yu Huang <akahuang@chromium.org>
Reviewed-by: Ted Meyer <tmathmeyer@chromium.org>
Reviewed-by: Hirokazu Honda <hiroh@chromium.org>
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Cr-Commit-Position: refs/heads/master@{#726304}