Bug 1272551 - Modify the Test Case to Run the Test on |WorkerGlobalScope| instead of |WorkerUtils|. r=khuey

testing/web-platform/meta/IndexedDB/interfaces.worker.js.ini

@@ -1,5 +0,0 @@
-[interfaces.worker]
-  type: testharness
-  [WorkerUtils interface: attribute indexedDB]
-    expected: FAIL
-

testing/web-platform/tests/IndexedDB/interfaces.worker.js

@@ -11,13 +11,11 @@ request.onload = function() {
   var idls = request.responseText;
 
   idlArray.add_untested_idls("interface WorkerGlobalScope {};");
-  idlArray.add_untested_idls("interface WorkerUtils {};");
-  idlArray.add_untested_idls("WorkerGlobalScope implements WorkerUtils;");
   idlArray.add_untested_idls("interface Event { };");
   idlArray.add_untested_idls("interface EventTarget { };");
 
   // From Indexed DB:
-  idlArray.add_idls("WorkerUtils implements IDBEnvironment;");
+  idlArray.add_idls("WorkerGlobalScope implements IDBEnvironment;");
   idlArray.add_idls(idls);
 
   idlArray.add_objects({