Supporting callback for Disconnected signal.

If the connection with dbus-daemon is closed, callback function set with
SetDisconnectedCallback will be called.

BUG=None
TEST=ran dbus_unittests


Review URL: https://chromiumcodereview.appspot.com/12224139

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@182736 0039d316-1c4b-4281-b951-d872f2087c98


CrOS-Libchrome-Original-Commit: ea5451957df86623f9dd52ad2dd2c12c5ecd70a6
3 files changed
tree: 0b76b41e59887a08ee86fae357c1fde8350af339
  1. base/
  2. build/
  3. dbus/
  4. ipc/
  5. testing/
  6. third_party/