Make URL filter for web request API mandatory

chrome/test/data/extensions/api_test/webrequest/test_complex.js

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 function getURLHttpXHR() {
   return getServerURL('files/extensions/api_test/webrequest/xhr/a.html');
 }
 function getURLHttpXHRJavaScript() {
   return getServerURL('files/extensions/api_test/webrequest/xhr/a.js');
 }
@@ skipping 368 matching lines @@
             ip: "127.0.0.1",
             fromCache: false,
             statusLine: "HTTP/1.0 200 OK",
           }
         }
       ],
       [  // event order
         ["onBeforeRequest-1", "onBeforeSendHeaders-1", "onSendHeaders-1",
          "onHeadersReceived-1", "onResponseStarted-1", "onCompleted-1",
          "onBeforeRequest-2", "onBeforeSendHeaders-2", "onSendHeaders-2",
-         "onHeadersReceived-2", "onResponseStarted-2", "onCompleted-2"] ],
-      {}, []);
+         "onHeadersReceived-2", "onResponseStarted-2", "onCompleted-2"] ]);
     navigateAndWait(getURLHttpXHR());
   },
 ]);