GitLab

This file indirectly depends on ptr_util.h inclusion in
cc/resources/single_release_callback.h, which is being removed.

Tbr: sadrul@chromium.org
Change-Id: I3fd1b38c4b8808bdb67001756b2d60416e6bb756
Reviewed-on: https://chromium-review.googlesource.com/579228Reviewed-by: Taiju Tsuiki <tzik@chromium.org>
Commit-Queue: Taiju Tsuiki <tzik@chromium.org>
Cr-Commit-Position: refs/heads/master@{#488225}