Index: trunk/wp-admin/includes/plugin.php
===================================================================
--- trunk/wp-admin/includes/plugin.php	(revision 26872)
+++ trunk/wp-admin/includes/plugin.php	(working copy)
@@ -945,6 +945,13 @@
 		 * @since 2.7.0
 		 */
 		do_action( 'uninstall_' . $file );
+		
+		/**
+		 * Fires in uninstall_plugin() once a plugin has been uninstalled.
+		 *
+		 * @since 3.9.0
+		 */
+		do_action( 'uninstall_plugin', $plugin, $file );
 	}
 }