add polyfill for ChildNode remove (elastic#21797)

* add polyfill for ChildNode remove

* call polyfill function

* add files as suggested by jbudz

* remove checks around polyfill

* just use polyfill that mozilla recommends

* add MIT license to file

* suffix file with polyfill, update copyright and link to repo

* update notice.txt

NOTICE.txt

@@ -103,6 +103,33 @@ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 
+---
+This product bundles childnode-remove which is available under a
+"MIT" license.
+
+The MIT License (MIT)
+
+Copyright (c) 2016-present, jszhou
+https://github.com/jserz/js_piece
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
 ---
 This product bundles geohash.js which is available under a
 "MIT" license.  For details, see src/ui/public/utils/decode_geo_hash.js.

src/core_plugins/tests_bundle/tests_entry_template.js

@@ -34,6 +34,7 @@ import 'babel-polyfill';
 import 'custom-event-polyfill';
 import 'whatwg-fetch';
 import 'abortcontroller-polyfill';
+import 'childnode-remove-polyfill';
 
 import { CoreSystem } from '__kibanaCore__'
 

src/ui/ui_bundles/app_entry_template.js

@@ -31,6 +31,7 @@ import 'babel-polyfill';
 import 'custom-event-polyfill';
 import 'whatwg-fetch';
 import 'abortcontroller-polyfill';
+import 'childnode-remove-polyfill';
 
 import { CoreSystem } from '__kibanaCore__'
 

webpackShims/childnode-remove-polyfill.js

@@ -0,0 +1,65 @@
+/*
+ * Licensed to Elasticsearch B.V. under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch B.V. licenses this file to you under
+ * the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+/* @notice
+ * This product bundles childnode-remove which is available under a
+ * "MIT" license.
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2016-present, jszhou
+ * https://github.com/jserz/js_piece
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+/* eslint-disable */
+
+(function (arr) {
+  arr.forEach(function (item) {
+    if (item.hasOwnProperty('remove')) {
+      return;
+    }
+    Object.defineProperty(item, 'remove', {
+      configurable: true,
+      enumerable: true,
+      writable: true,
+      value: function remove() {
+        if (this.parentNode !== null)
+          this.parentNode.removeChild(this);
+      }
+    });
+  });
+})([Element.prototype, CharacterData.prototype, DocumentType.prototype]);