Fix support for latest gerrit master changes

Change-Id: Ia4e7a1d03a31cbc690f845e5cf9d2262e3c83c7e
diff --git a/src/main/java/com/googlesource/gerrit/plugins/deleteproject/DeleteProject.java b/src/main/java/com/googlesource/gerrit/plugins/deleteproject/DeleteProject.java
index 8d4b240..0ea6f51 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/deleteproject/DeleteProject.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/deleteproject/DeleteProject.java
@@ -120,7 +120,7 @@
   }
 
   protected boolean canDelete(ProjectResource rsrc) {
-    PermissionBackend.WithUser userPermission = permissionBackend.user(userProvider);
+    PermissionBackend.WithUser userPermission = permissionBackend.currentUser();
     PermissionBackend.ForProject projectPermission = userPermission.project(rsrc.getNameKey());
     return userPermission.testOrFalse(GlobalPermission.ADMINISTRATE_SERVER)
         || userPermission.testOrFalse(new PluginPermission(pluginName, DELETE_PROJECT))