Merge "Change Database type hints to use IDatabase"

diff --combined includes/Title.php
index e4f18fa,b05e170..def561e
--- 1/includes/Title.php
--- 2/includes/Title.php
+++ b/includes/Title.php
@@@ -58,8 -58,6 +58,8 @@@ class Title implements LinkTarget, IDBA
         * Flag for use with factory methods like newFromLinkTarget() that have
         * a $forceClone parameter. If set, the method must return a new instance.
         * Without this flag, some factory methods may return existing instances.
 +       *
 +       * @since 1.33
         */
        const NEW_CLONE = 'clone';
  
@@@ -2732,7 -2730,7 +2732,7 @@@
                $id = $this->getArticleID();
                if ( $id ) {
                        $fname = __METHOD__;
-                       $loadRestrictionsFromDb = function ( Database $dbr ) use ( $fname, $id ) {
+                       $loadRestrictionsFromDb = function ( IDatabase $dbr ) use ( $fname, $id ) {
                                return iterator_to_array(
                                        $dbr->select(
                                                'page_restrictions',