GitLab

From discussion on chromium-dev, it was decided to remove 'chrome'
namespace.

TBR=sky@chromium.org

Bug: 289619
Change-Id: I7a3769cfb30db3a2bb8d761f646cf23f1582f972
Reviewed-on: https://chromium-review.googlesource.com/787810Reviewed-by: Peter Kasting <pkasting@chromium.org>
Commit-Queue: Chandramouli Sanchi <cm.sanchi@samsung.com>
Cr-Commit-Position: refs/heads/master@{#521139}