test/e2e/resources/application/main-frame.html - devtools/devtools-frontend - Git at Google

 <!--
   Copyright 2020 The Chromium Authors. All rights reserved.
   Use of this source code is governed by a BSD-style license that can be
   found in the LICENSE file.
 -->
 <!DOCTYPE html>
 <iframe id="frameId" src="iframe.html"></iframe>
	<!--
	Copyright 2020 The Chromium Authors. All rights reserved.
	Use of this source code is governed by a BSD-style license that can be
	found in the LICENSE file.
	-->
	<!DOCTYPE html>
	<iframe id="frameId" src="iframe.html"></iframe>