[ios Mojo] Added util function to convert WKSecurityOrigin to GURL.

ios/web/ios_web_unittests.gyp

 # Copyright 2013 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.
 {
   'variables': {
     'chromium_code': 1,
   },
   'targets': [
     {
       # GN version: //ios/web:ios_web_unittests
@@ skipping 24 matching lines @@
         'navigation/nscoder_util_unittest.mm',
         'net/cert_host_pair_unittest.cc',
         'net/cert_policy_unittest.cc',
         'net/cert_verifier_block_adapter_unittest.cc',
         'net/clients/crw_js_injection_network_client_unittest.mm',
         'net/crw_cert_verification_controller_unittest.mm',
         'net/crw_ssl_status_updater_unittest.mm',
         'net/request_group_util_unittest.mm',
         'net/request_tracker_impl_unittest.mm',
         'net/web_http_protocol_handler_delegate_unittest.mm',
+        'public/origin_util_unittest.mm',
         'public/referrer_util_unittest.cc',
         'public/web_state/page_viewport_state_unittest.mm',
         'string_util_unittest.cc',
         'test/crw_fake_web_controller_observer_unittest.mm',
         'test/run_all_unittests.cc',
         'url_scheme_util_unittest.mm',
         'url_util_unittest.cc',
         'web_state/crw_pass_kit_downloader_unittest.mm',
         'web_state/crw_web_view_scroll_view_proxy_unittest.mm',
         'web_state/js/common_js_unittest.mm',
@@ skipping 33 matching lines @@
               'test/data/testpass.pkpass',
             ],
             'test_data_prefix': 'ios/web',
           },
           'includes': [ '../../build/copy_test_data_ios.gypi' ],
         },
       ],
     },
   ],
 }