Stop using deprecated GSettings:schema property

extensions/alternate-tab/prefs.js

@@ -33,7 +33,7 @@ const AltTabSettingsWidget = new GObject.Class({
         this.row_spacing = 6;
 	this.orientation = Gtk.Orientation.VERTICAL;
 
-        this._settings = new Gio.Settings({ schema: 'org.gnome.shell.window-switcher' });
+        this._settings = new Gio.Settings({ schema_id: 'org.gnome.shell.window-switcher' });
 
         let presentLabel = '<b>' + _("Present windows as") + '</b>';
         this.add(new Gtk.Label({ label: presentLabel, use_markup: true,

extensions/window-list/extension.js

@@ -663,7 +663,7 @@ const WorkspaceIndicator = new Lang.Class({
         this.actor.connect('scroll-event', Lang.bind(this, this._onScrollEvent));
         this._updateMenu();
 
-        this._settings = new Gio.Settings({ schema: 'org.gnome.desktop.wm.preferences' });
+        this._settings = new Gio.Settings({ schema_id: 'org.gnome.desktop.wm.preferences' });
         this._settingsChangedId = this._settings.connect('changed::workspace-names', Lang.bind(this, this._updateMenu));
     },
 

extensions/workspace-indicator/extension.js

@@ -50,7 +50,7 @@ const WorkspaceIndicator = new Lang.Class({
 	//styling
 	this.statusLabel.add_style_class_name('panel-workspace-indicator');
 
-        this._settings = new Gio.Settings({ schema: WORKSPACE_SCHEMA });
+        this._settings = new Gio.Settings({ schema_id: WORKSPACE_SCHEMA });
         this._settingsChangedId = this._settings.connect('changed::' + WORKSPACE_KEY, Lang.bind(this, this._createWorkspacesSection));
     },
 

extensions/workspace-indicator/prefs.js

@@ -30,7 +30,7 @@ const WorkspaceNameModel = new GObject.Class({
         this.parent(params);
         this.set_column_types([GObject.TYPE_STRING]);
 
-        this._settings = new Gio.Settings({ schema: WORKSPACE_SCHEMA });
+        this._settings = new Gio.Settings({ schema_id: WORKSPACE_SCHEMA });
         //this._settings.connect('changed::workspace-names', Lang.bind(this, this._reloadFromSettings));
 
         this._reloadFromSettings();