[gnome-shell] search: improve log message when metas length mismatch

[Jasper St. Pierre <jstpierre src gnome org>]

commit 67a807e849e6c4371c8565564e8852ebfac57f87
Author: Cosimo Cecchi <cosimo endlesm com>
Date:   Wed Jan 7 18:15:30 2015 +0800

    search: improve log message when metas length mismatch
    
    Log also the name of the provider and the expected/received metas.

 js/ui/search.js |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/js/ui/search.js b/js/ui/search.js
index d80fe63..4737c82 100644
--- a/js/ui/search.js
+++ b/js/ui/search.js
@@ -204,7 +204,8 @@ const SearchResultsBase = new Lang.Class({
                     return;
                 }
                 if (metas.length != metasNeeded.length) {
-                    log('Wrong number of result metas returned by search provider');
+                    log('Wrong number of result metas returned by search provider ' + this.provider.id +
+                        ': expected ' + metasNeeded.length + ' but got ' + metas.length);
                     callback(false);
                     return;
                 }