GitLab

This fixes a crash that was introduced in crrev.com/148803. Specifically 
when XMPP authentication fails. It may or may not fix the crash in the 
linked bug.

BUG=140096


Review URL: https://chromiumcodereview.appspot.com/10850008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@149662 0039d316-1c4b-4281-b951-d872f2087c98