Chrome Version       : 53.0.2785.116
URLs (if applicable) :
Other browsers tested:
  Add OK or FAIL, along with the version, after other browsers where you
have tested this issue:
     Safari:
    Firefox:
         IE:

What steps will reproduce the problem?
(1) On Windows 7 Chromium browser choose the "Cast..." function and let it discover and show the Chromecast.
(2) On Windows 7 Chrome browser choose the "Cast..." function and let it discover and show the Chromecast.
(3)

What is the expected result?
The expected result should be the same in (1) and (2) above: the "Cast..." function should discover and show the Chromecast.

What happens instead?
In (2) we get the expected result, but in (1) we don't get the expected result.
There is a bug in the Chromium browser that somehow is corrected in the corresponding version of the Chrome browser.
If this is not the intention of Google then we have bug that must be corrected in Chromium browser.

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