getControllerExtensionKeyFromRecord() public method

Stub: Get the extension key of the controller associated with $row
 /**
  * @param array $row
  * @return string
  */
 public function getControllerExtensionKeyFromRecord(array $row)
 {
     $action = $this->getControllerActionReferenceFromRecord($row);
     if (FALSE !== strpos($action, '->')) {
         $extensionName = array_shift(explode('->', $action));
         return $extensionName;
     }
     return parent::getControllerExtensionKeyFromRecord($row);
 }