Move web_js_test.h upstream

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 441 matching lines @@
         'public/test/earl_grey/web_view_matchers.mm',
         'public/test/web_view_interaction_test_util.h',
         'public/test/web_view_interaction_test_util.mm',
       ],
     },
     {
       # GN version: //ios/web:test_support
       'target_name': 'ios_web_test_support',
       'type': 'static_library',
       'dependencies': [
+        '../../base/base.gyp:base',
         '../../base/base.gyp:test_support_base',
         '../../ios/testing/ios_testing.gyp:ocmock_support',
         '../../ios/third_party/gcdwebserver/gcdwebserver.gyp:gcdwebserver',
         '../../net/net.gyp:net_test_support',
         '../../testing/gmock.gyp:gmock',
         '../../testing/gtest.gyp:gtest',
         '../../third_party/ocmock/ocmock.gyp:ocmock',
         '../../ui/base/ui_base.gyp:ui_base',
         'ios_web',
         'test_mojo_bindings',
@@ skipping 33 matching lines @@
         'public/test/test_redirect_observer.h',
         'public/test/test_redirect_observer.mm',
         'public/test/test_web_client.h',
         'public/test/test_web_client.mm',
         'public/test/test_web_state.h',
         'public/test/test_web_state.mm',
         'public/test/test_web_thread.h',
         'public/test/test_web_thread_bundle.h',
         'public/test/test_web_view_content_view.h',
         'public/test/test_web_view_content_view.mm',
+        'public/test/web_js_test.h',
         'public/test/web_test.h',
         'public/test/web_test.mm',
         'public/test/web_test_suite.h',
         'public/test/web_test_with_web_state.h',
         'public/test/web_test_with_web_state.mm',
         'test/crw_fake_web_controller_observer.h',
         'test/crw_fake_web_controller_observer.mm',
         'test/test_url_constants.cc',
         'test/test_url_constants.h',
         'test/test_web_thread.cc',
@@ skipping 44 matching lines @@
       'dependencies': [
         '../../base/base.gyp:base'
       ],
       'sources': [
         'public/user_agent.h',
         'public/user_agent.mm',
       ],
     },
   ],
 }