Hi, 

Thanks for filing the issue. Rechecked the issue on Canaryversion 62.0.3166.o using Windows 10. Followed the below steps:

1) Navigated to link https://www.rowdybristol.net/surpacfundamentals 
2) Clicked on Play video for the first video displayed and then eventually clicked on the full screen icon displayed on the player.
3) Observed that Video was not displayed in a full screen 
4) Now used the same URL on IE and FF and repeated the steps 1 and 2 and observed that Video was not displayed in Full screen mode. Same behavior was observed on chrome stable as well 59.0.3071.115. A Java script error is displayed in console (Screen shot attached)

In all the cases and all the videos tried, we are not able to launch the videos in full screen mode.

But if navigated to the Second URL provided:

https://play.streamingvideoprovider.com/popapp.php?l=3CCJ4EB5HG156C8&w=1000&h=1000&p=4e633f553fe0f1349935a97536cfe732&title=cFields_Light_Global1000&bgcolor1=%23ffffff&bgcolor2=%23e0e0e0#clip=2zy273xickcg

Able to launch videos in full screen mode, both on Stable and Canary.

Request to please check and confirm on the same.

Thanks.!

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Thanks for the response.  I do get fullscreen mode working when selecting the long streamingvideoprovider link.  I am trying to find a solution from them and Wix, but haven't found it yet.  The one thing I wanted to note was that I don't have a problem getting fullscreen mode to work with the rowdbristol site the first time after re-installing Canary.  However, after closing Canary down and restarting it two or three times, the problem occurs.  

Here's some more information:

I am using :

Windows 10
Internet Explorer 11.1480.14393.0    (IE 11)
Microsoft Edge 38.14393.1066.0      (Edge 38)
Chrome  Version 59.0.3071.115 (Official Build) (64-bit)
Canary   62.0.3166.


When I view  https://www.rowdybristol.net/surpacfundamentals 
or
https://play.streamingvideoprovider.com/popapp.php?l=3CCJ4EB5HG156C8&w=1000&h=1000&p=4e633f553fe0f1349935a97536cfe732&title=cFields_Light_Global1000&bgcolor1=%23ffffff&bgcolor2=%23e0e0e0#clip=2zy273xickcg

with IE 11 or Edge 38, I am seeing the display bar/fullscreen icon in the video as shown on the left half of the attached image, and fullscreen mode works correctly.  It also works fine for me the first time I open it with Canary after uninstalling and re-installing Canary.  

If I close Canary down and restart it, then navigate to the link, on the second or third time, I get the display bar / fullscreen icon as shown in the right half of the video.

Try this:

1. Uninstall Canary and delete all browsing data
2. Re-install Canary, start it up, and navigate to either link.
3. Note the type of display control bar / fullscreen icon at the bottom
4. Click the fullscreen button.


------------ 


I have not seen the "blocked by cors policy", but after Googling that phrase, it appears that it is related to a security measure in Chrome.  I will look into this later.

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Thank you for providing more feedback. Adding requester "ranjitkan@chromium.org" to the cc list and removing "Needs-Feedback" label.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

Rechecked this issue on Windows 10, by uninstalling canary 62.0.3172.0 and re installing a fresh instances, observed the same behavior as mentioned in the comment#2.  Unable to replicate the issue. Followed the steps as mentioned in comment#4.

Removing bisect label, please add if required again.

@pbomanna: CC'ing you can you please try the same. 

Marking this as available so that it's clear I'm not working on it. Sorry :/

I get the same results as #2. Same results in FireFox and Edge as well. Looking at the source the code doesn't seem to be making a webkitRequestFullscreen call at all. So this appears to be an application problem.