1 files changed, 59 insertions, 0 deletions
diff --git a/browser/base/content/aboutRestartRequired.xhtml b/browser/base/content/aboutRestartRequired.xhtml
new file mode 100644
index 0000000000..bb41bfb8fa
--- /dev/null
+++ b/browser/base/content/aboutRestartRequired.xhtml
@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!-- 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/. -->
+<!DOCTYPE html>
+
+<html xmlns="http://www.w3.org/1999/xhtml">
+  <head>
+    <meta
+      http-equiv="Content-Security-Policy"
+      content="default-src chrome:; object-src 'none'"
+    />
+    <meta name="color-scheme" content="light dark" />
+    <title data-l10n-id="restart-required-title"></title>
+    <link
+      rel="stylesheet"
+      type="text/css"
+      media="all"
+      href="chrome://browser/skin/aboutRestartRequired.css"
+    />
+    <!-- If the location of the favicon is changed here, the
+         FAVICON_ERRORPAGE_URL symbol in
+         toolkit/components/places/src/nsFaviconService.h should be updated. -->
+    <link
+      rel="icon"
+      type="image/png"
+      id="favicon"
+      href="chrome://global/skin/icons/info.svg"
+    />
+    <link rel="localization" href="branding/brand.ftl" />
+    <link rel="localization" href="browser/aboutRestartRequired.ftl" />
+  </head>
+  <body>
+    <!-- PAGE CONTAINER (for styling purposes only) -->
+    <div id="errorPageContainer">
+      <div id="text-container">
+        <div id="title">
+          <h1 id="title-text" data-l10n-id="restart-required-heading" />
+        </div>
+        <div id="errorLongContent">
+          <div id="errorLongDesc">
+            <p data-l10n-id="restart-required-intro" />
+            <p data-l10n-id="window-restoration-info" />
+          </div>
+        </div>
+      </div>
+      <!-- Restart Button -->
+      <div id="restartButtonContainer" class="button-container">
+        <button
+          id="restart"
+          data-l10n-id="restart-button-label"
+          class="primary"
+          autocomplete="off"
+        ></button>
+      </div>
+    </div>
+  </body>
+  <script src="chrome://browser/content/aboutRestartRequired.js" />
+</html>