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diff --git a/devtools/client/performance-new/components/panel/Description.js b/devtools/client/performance-new/components/panel/Description.js
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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+// @ts-check
+
+/**
+ * @typedef {{}} Props - This is an empty object.
+ */
+
+"use strict";
+
+const {
+ PureComponent,
+ createFactory,
+} = require("resource://devtools/client/shared/vendor/react.js");
+const {
+ div,
+ button,
+ p,
+} = require("resource://devtools/client/shared/vendor/react-dom-factories.js");
+const Localized = createFactory(
+ require("resource://devtools/client/shared/vendor/fluent-react.js").Localized
+);
+
+/**
+ * This component provides a helpful description for what is going on in the component
+ * and provides some external links.
+ * @extends {React.PureComponent<Props>}
+ */
+class Description extends PureComponent {
+ /**
+ * @param {React.MouseEvent<HTMLButtonElement>} event
+ */
+ handleLinkClick = event => {
+ const {
+ openDocLink,
+ } = require("resource://devtools/client/shared/link.js");
+
+ /** @type HTMLButtonElement */
+ const target = /** @type {any} */ (event.target);
+
+ openDocLink(target.value, {});
+ };
+
+ render() {
+ return div(
+ { className: "perf-description" },
+ Localized(
+ {
+ id: "perftools-description-intro",
+ a: button({
+ className: "perf-external-link",
+ onClick: this.handleLinkClick,
+ value: "https://profiler.firefox.com",
+ }),
+ },
+ p({})
+ )
+ );
+ }
+}
+
+module.exports = Description;