Add openURLInBrowser

Libraries/Core/Devtools/openURLInBrowser.js

@@ -0,0 +1,22 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ * @flow strict-local
+ */
+
+'use strict';
+
+const getDevServer = require('./getDevServer');
+
+function openURLInBrowser(url: string) {
+  fetch(getDevServer().url + 'open-url', {
+    method: 'POST',
+    body: JSON.stringify({url}),
+  });
+}
+
+module.exports = openURLInBrowser;