Issue #1258 - Part 1: Import mailnews, ldap, and mork from comm-esr52.9.1

mailnews/base/content/newmailalert.xul

@@ -0,0 +1,35 @@
+<?xml version="1.0"?>
+
+<!-- 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/. -->
+
+<?xml-stylesheet href="chrome://messenger/content/newmailalert.css" type="text/css"?>
+<?xml-stylesheet href="chrome://messenger/skin/newmailalert.css" type="text/css"?>
+
+<window id="newMailAlertNotification"
+        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
+        windowtype="alert:alert"
+        role="alert"
+        align="start"
+        onload="onAlertLoad()">
+
+  <stringbundle id="bundle_messenger" src="chrome://messenger/locale/messenger.properties"/>
+  <script type="application/javascript" src="chrome://messenger/content/newmailalert.js"/>
+
+  <stack id="alertContainer" mousethrough="always">
+    <hbox id="alertBox">
+      <hbox id ="alertImageBox" align="center" pack="center">
+        <image id="alertImage"/>
+      </hbox>
+
+      <vbox id="alertTextBox">
+        <label id="alertTitle"/>
+        <separator id="alertGroove" class="groove"/>
+        <folderSummary id="folderSummaryInfo" mousethrough="never"/>
+      </vbox>
+    </hbox>
+
+    <toolbarbutton id="closeButton" top="0" right="0" onclick="closeAlert();"/>
+  </stack>
+</window>