[ticket/17135] Refactor messenger code to services [ci skip]

PHPBB3-17135

phpBB/phpbb/messenger/method/base.php

@@ -96,6 +96,15 @@ abstract class base
 		return;
 	}
 
+	/**
+	 * get messenger method fie queue object name
+	 * @return string
+	 */
+	abstract public function get_queue_object_name($user)
+	{
+		return '';
+	}
+
 	/**
 	 * Sets the use of messenger queue flag
 	 *
@@ -180,6 +189,16 @@ abstract class base
 	{
 	}
 
+	/**
+	 * Send messages from the queue
+	 *
+	 * @param array $queue_data Queue data array
+	 * @return void
+	 */
+	abstract public function process_queue(&$queue_data)
+	{
+	}
+
 	/**
 	 * Set email template to use
 	 *