GitLab

Add Generate DIR_METADATA files and remove metadata from OWNERS
files for //gin.

R=jbroman@chromium.org

Bug: 1113033
Change-Id: I45578bd0888045471f4e8e4edcb6b65b4138ed8d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2453753
Commit-Queue: Edward Lesmes <ehmaldonado@chromium.org>
Commit-Queue: Jeremy Roman <jbroman@chromium.org>
Auto-Submit: Edward Lesmes <ehmaldonado@chromium.org>
Reviewed-by: Jeremy Roman <jbroman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#814461}