GitLab

The tab key accepts the selected element and always
moves the cursor to the next field.

BUG=230328

Review URL: https://chromiumcodereview.appspot.com/13912016

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@195343 0039d316-1c4b-4281-b951-d872f2087c98