mediawiki.Upload: Allow passing mw.Api objects, not just configs

This way we'll be able to use a mw.ForeignApi here
(being introduced in Ic20b9682d28633baa87d22e6e9fb71ce507da58d).

Change-Id: Ie49d7dad5abfe567f9b9c7396f8e132875568fd3

diff --git a/resources/src/mediawiki/mediawiki.Upload.js b/resources/src/mediawiki/mediawiki.Upload.js
index 551aa9d..58c66c1 100644 (file)
--- a/resources/src/mediawiki/mediawiki.Upload.js
+++ b/resources/src/mediawiki/mediawiki.Upload.js
@@ -44,10 +44,11 @@
         *     } );
         *
         * @constructor
-        * @param {Object} apiconfig Passed to the constructor of mw.Api.
+        * @param {Object|mw.Api} [apiconfig] A mw.Api object (or subclass), or configuration
+        *     to pass to the constructor of mw.Api.
         */
        function Upload( apiconfig ) {
-               this.api = new mw.Api( apiconfig );
+               this.api = ( apiconfig instanceof mw.Api ) ? apiconfig : new mw.Api( apiconfig );
 
                this.watchlist = false;
                this.text = '';