GitLab

BUG=282594
TEST=Run ChromeOS with flags:
     --force-fieldtrials="ShowProfileSwitcher/AlwaysShow/"
     --multi-profiles

Review URL: https://chromiumcodereview.appspot.com/23583037

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@221857 0039d316-1c4b-4281-b951-d872f2087c98