code: function(event) {
      var isSandboxed = null;
      if (_pageIsFramed === false || event && event.type === "error" && event.name && _errorsThatOnlyOccurAfterFlashLoads.indexOf(event.name) !== -1) {
        isSandboxed = false;
      }
      return isSandboxed;
    }
docs: Check an `error` event's `name` property to see if Flash has
  already loaded, which rules out possible `iframe` sandboxing.
  @private