Bugzilla

[Affected versions]: 
- 68.0esr
- 69.0a1 (2019-07-05)
- 68.0 - build 2

[Affected platforms]:
- Ubuntu 18.04 x64
- Windows 10 x64
- macOS 10.13

[Steps to reproduce]:
1. Go to  https://www.aol.com/video/
2. Play a video
3. Click on the fullscreen button

[Expected result]:
- Video enters in fullscreen

[Actual result]:
- Nothing happens

[Regression range]: 
- I will determine one asap

[Additional Notes]:
- Not reproducible on Chrome
- The following error is  triggered inside browser console:
RemoteWebProgress failed to call onStatusChange: [Exception... "JavaScript component does not have a method named: "onStatusChange"'JavaScript component does not have a method named: "onStatusChange"' when calling method: [nsIWebProgressListener::onStatusChange]"  nsresult: "0x80570030 (NS_ERROR_XPC_JSOBJECT_HAS_NO_FUNCTION_NAMED)"  location: "JS frame :: resource://gre/modules/RemoteWebProgress.jsm :: _callProgressListeners :: line 103"  data: no]

[Affected versions]: 
- 68.0esr
- 69.0a1 (2019-07-05)
- 68.0 - build 2

[Affected platforms]:
- Ubuntu 18.04 x64
- Windows 10 x64
- macOS 10.13

[Steps to reproduce]:
1. Go to  https://www.aol.com/video/
2. Click on the fullscreen button

[Expected result]:
- Video enters in fullscreen

[Actual result]:
- Nothing happens

[Regression range]: 
- Reproducible also on older build (60.7.0esr).  I will provide more information asap.

[Additional Notes]:
- Not reproducible on Chrome
- The following error is  triggered inside browser console:
RemoteWebProgress failed to call onStatusChange: [Exception... "JavaScript component does not have a method named: "onStatusChange"'JavaScript component does not have a method named: "onStatusChange"' when calling method: [nsIWebProgressListener::onStatusChange]"  nsresult: "0x80570030 (NS_ERROR_XPC_JSOBJECT_HAS_NO_FUNCTION_NAMED)"  location: "JS frame :: resource://gre/modules/RemoteWebProgress.jsm :: _callProgressListeners :: line 103"  data: no]