GitLab

This CL added the selector for the column divider at the next to the checkbox in
order to remove it.

BUG=245072
TEST=manually

Review URL: https://chromiumcodereview.appspot.com/15737030

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@203108 0039d316-1c4b-4281-b951-d872f2087c98