/**
  * Returns the <tt>Chat</tt> corresponding to the given <tt>Contact</tt>.
  *
  * @param contact the <tt>Contact</tt> for which the searched chat is about.
  * @return the <tt>Chat</tt> corresponding to the given <tt>Contact</tt>.
  */
 public Chat getChat(Contact contact) {
   return ChatSessionManager.findChatForContact(contact, true);
 }