[gnome-characters: 1/2] Fix JavaScript deprecation warnings

[Daiki Ueno <dueno src gnome org>]

commit 224f385e276ce264a18da551c7c60af18a65cb77
Author: Christian Stadelmann <delqooklpy genodeftest de>
Date:   Fri Oct 5 14:45:02 2018 +0000

    Fix JavaScript deprecation warnings
    
    Fixes #44.

 src/searchProvider.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/src/searchProvider.js b/src/searchProvider.js
index 292afd6..efe776f 100644
--- a/src/searchProvider.js
+++ b/src/searchProvider.js
@@ -24,9 +24,9 @@ const Util = imports.util;
 
 const MAX_SEARCH_RESULTS = 100;
 
-const SearchProviderInterface = Gio.resources_lookup_data('/org/gnome/shell/ShellSearchProvider2.xml', 
0).toArray().toString();
+const SearchProviderInterface = 
ByteArray.toString(Gio.resources_lookup_data('/org/gnome/shell/ShellSearchProvider2.xml', 0).toArray());
 
-const SearchProvider = GObject.registerClass({
+var SearchProvider = GObject.registerClass({
     Name: 'CharactersSearchProvider',
 }, class SearchProvider extends GObject.Object {
     _init(application) {
@@ -48,7 +48,7 @@ const SearchProvider = GObject.registerClass({
         this._cancellable.cancel();
         this._cancellable.reset();
 
-        let upper = keywords.map(String.toUpperCase);
+        let upper = keywords.map(String.prototype.toUpperCase);
         let criteria = Gc.SearchCriteria.new_keywords(upper);
         let context = new Gc.SearchContext({ criteria: criteria,
                                              flags: Gc.SearchFlag.WORD });
@@ -154,4 +154,4 @@ const SearchProvider = GObject.registerClass({
         this._activateAction('search', new GLib.Variant('as', terms),
                              timestamp);
     }
-});
+});
\ No newline at end of file