UserAgent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.71 Safari/537.36

Steps to reproduce the problem:
1. On a SharePoint online team site
2. Add Script Editor web part with following code
3. Follow steps on this blog post http://www.sharepointblue.com/2016/10/office365-subsite-logo-redirection.html

What is the expected behavior?
Page renders fine in Chrome on Windows but shows spinning red icon and failures on page using F12

What went wrong?
Uncaught TypeError: Cannot read property 'create' of undefined(…)
Home.aspx:777 Uncaught TypeError: Cannot set property 'href' of null(…)
https://portal.office.com/SuiteServiceProxy.aspx?upn=Michael.Thomas%40stras…er4.sharepoint.com%2Fsites%2Fpegasus%2Fhr%2FSitePages%2FHome.aspx&Silent=1 Failed to load resource: the server responded with a status of 401 (Unauthorized)
portal.office.com/SuiteServiceProxy.aspx?upn=Michael.Thomas%40strasburger.c…4.sharepoint.com%2Fsites%2Fpegasus%2Fhr%2FSitePages%2FHome.aspx&Silent=1:1 Refused to display 'https://portal.office.com/SuiteServiceProxy.aspx?upn=Michael.Thomas%40stras…er4.sharepoint.com%2Fsites%2Fpegasus%2Fhr%2FSitePages%2FHome.aspx&Silent=1' in a frame because it set 'X-Frame-Options' to 'SAMEORIGIN'.
prod.msocdn.com/16.00.1489.009/en-US/JSC/O365ShellG2Plus.js:4 Failed to execute 'postMessage' on 'DOMWindow': The target origin provided ('https://portal.office.com') does not match the recipient window's origin ('null').O365SuiteServiceProxy.RequestExecutor.sendPostMessage @ prod.msocdn.com/16.00.1489.009/en-US/JSC/O365ShellG2Plus.js:4

Did this work before? No 

Chrome version: 54.0.2840.71  Channel: n/a
OS Version: 10.12.1
Flash Version: Shockwave Flash 23.0 r0