js/libs/ember-1.5.1.js
function() {
    if (this.isDestroyed) return; // _outlets will be gone anyway
    var outlets = get(this, '_outlets');
    var pendingDisconnections = this._pendingDisconnections;
    this._pendingDisconnections = null;

    for (var outletName in pendingDisconnections) {
      set(outlets, outletName, null);
    }
  }
function() {
    if (this.isDestroyed) return; // _outlets will be gone anyway
    var outlets = get(this, '_outlets');
    var pendingDisconnections = this._pendingDisconnections;
    this._pendingDisconnections = null;

    for (var outletName in pendingDisconnections) {
      set(outlets, outletName, null);
    }
  }
Gets an outlet that is pending disconnection and then
nullifys the object on the `_outlet` object.

@private
@method _finishDisconnections