Chrome Version       : 64.0.3282.119
OS Version: OS X 10.13.3
URLs (if applicable) : https://www.youtube.com/
Other browsers tested:
  Add OK or FAIL after other browsers where you have tested this issue:
     Safari: OK
    Firefox: OK
    IE/Edge: OK

What steps will reproduce the problem?
1. Visit any YouTube video (embed or YouTube.com)
2. 
3.

What is the expected result?
No error should be reported. Previously, Ver. 63 did not reported this error

What happens instead of that?
No error


Please provide any additional information below. Attach a screenshot if
possible.

UserAgentString: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.119 Safari/537.36