Turning off advert show 

```
What steps will reproduce the problem?
1. Loading page

What is the expected output? What do you see instead?
Clear youtube video on background

What version of the product are you using? On what operating system?
latest, whole os versions


```

Original issue reported on code.google.com by `eugenkyk...@gmail.com` on 18 Oct 2014 at 11:30
