Refactor web shell integration tests utilities.

ios/web/ios_web.gyp

 # Copyright 2014 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': [
     {
@@ skipping 422 matching lines @@
         'ios_web',
       ],
       'include_dirs': [
         '../..',
       ],
       'sources': [
         'public/test/crw_test_js_injection_receiver.h',
         'public/test/crw_test_js_injection_receiver.mm',
         'public/test/http_server.h',
         'public/test/http_server.mm',
+        'public/test/http_server_util.h',
+        'public/test/http_server_util.mm',
         'public/test/js_test_util.h',
         'public/test/js_test_util.mm',
+        'public/test/navigation_test_util.h',
+        'public/test/navigation_test_util.mm',
         'public/test/response_providers/data_response_provider.h',
         'public/test/response_providers/data_response_provider.mm',
         'public/test/response_providers/file_based_response_provider.h',
         'public/test/response_providers/file_based_response_provider.mm',
         'public/test/response_providers/file_based_response_provider_impl.h',
         'public/test/response_providers/file_based_response_provider_impl.mm',
         'public/test/response_providers/html_response_provider.h',
         'public/test/response_providers/html_response_provider.mm',
         'public/test/response_providers/html_response_provider_impl.h',
         'public/test/response_providers/html_response_provider_impl.mm',
@@ skipping 37 matching lines @@
       'dependencies': [
         '../../base/base.gyp:base'
       ],
       'sources': [
         'public/user_agent.h',
         'public/user_agent.mm',
       ],
     },
   ],
 }