ServiceWorker: Change base URL for parsing script URL and scope URL

third_party/WebKit/LayoutTests/http/tests/background_sync/oneshot.html

Index: third_party/WebKit/LayoutTests/http/tests/background_sync/oneshot.html
diff --git a/third_party/WebKit/LayoutTests/http/tests/background_sync/oneshot.html b/third_party/WebKit/LayoutTests/http/tests/background_sync/oneshot.html
index 24ae30ed7b343e7117411237250462efb5fbea54..6e416711c5e83a346816314ad0ffb6f16acfe43b 100644
--- a/third_party/WebKit/LayoutTests/http/tests/background_sync/oneshot.html
+++ b/third_party/WebKit/LayoutTests/http/tests/background_sync/oneshot.html
@@ -9,10 +9,10 @@
 <script>
 
 promise_test(function(t) {
-  var url = 'resources/empty_worker.js';
-  var scope = 'resources/scope/background_sync/oneshot.html';
+  const url = 'resources/empty_worker.js';
+  const iframe_scope = 'oneshot.html';
+  const scope = 'resources/scope/background_sync/' + iframe_scope;
   var sync_manager;
-  var sync_registration;
 
   // This test verifies that registration of one-shots fails from an iframe.
   return PermissionsHelper.setPermission('background-sync', 'granted')
@@ -27,7 +27,7 @@ promise_test(function(t) {
       })
     .then(function(frame) {
         var w = frame.contentWindow;
-        return w.navigator.serviceWorker.getRegistration(scope);
+        return w.navigator.serviceWorker.getRegistration(iframe_scope);
       })
     .then(function(sw_registration_frame) {
         sync_manager = sw_registration_frame.sync;
@@ -45,10 +45,9 @@ promise_test(function(t) {
      'from an iframe');
 
 promise_test(function(t) {
-  var url = 'resources/empty_worker.js';
-  var scope = 'resources/scope/background_sync/oneshot-uncontrolled.html';
+  const url = 'resources/empty_worker.js';
+  const scope = 'resources/scope/background_sync/oneshot-uncontrolled.html';
   var sync_manager;
-  var sync_registration;
 
   // This test verifies that one-shot syncs can be registered from uncontrolled
   // documents.