Upstream ios/web/ JS files

ios/web/web_state/js/resources/window_open_wk.js

Index: ios/web/web_state/js/resources/window_open_wk.js
diff --git a/ios/web/web_state/js/resources/window_open_wk.js b/ios/web/web_state/js/resources/window_open_wk.js
new file mode 100644
index 0000000000000000000000000000000000000000..209628ced879293cc06319eacbc245dcc47f08ed
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+++ b/ios/web/web_state/js/resources/window_open_wk.js
@@ -0,0 +1,15 @@
+// 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.
+
+goog.provide('__crweb.window_open_wk');
+
+// WKWebView natively supports window.open so there is no need to install
+// JavaScript-based fix. CRWJSWindowOpenManager always injected as multiple
+// JS managers depend on it. The script does not have any content except
+// presenceBeacon.
+
+
+// Namespace for this module.
+__gCrWeb.windowOpen = {};
+