add google IO byte video to kiosk app page

BUG=

Review URL: https://codereview.chromium.org/339273002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@277983 0039d316-1c4b-4281-b951-d872f2087c98

chrome/common/extensions/docs/templates/articles/manifest/kiosk_enabled.html

@@ -14,6 +14,8 @@ device boots up. You can use a Chrome device as a kiosk by turning on Single App
   or across multiple devices using the <a
   href="https://support.google.com/chrome/a/answer/3017014">Chrome management console</a>.</p>
 
+<iframe width="560" height="315" src="//www.youtube.com/embed/aGvFbBt-LNA?autohide=1"
+frameborder="0" allowfullscreen></iframe>
 
 
 <h2 id="Look">How they look</h2>