UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.79 Safari/537.36

Example URL:

Steps to reproduce the problem:
1. Open a couple of web pages.
2. Click on the tab strip to switch between them.
3. 

What is the expected behavior?
The pages should be displayed properly.

What went wrong?
Once you switch back to a tab, it often gets completely blank. Opening/closing DevTools doesn't help, refreshing the tab doesn't help, you have to close & reopen the tab to make it work.

Does it occur on multiple sites: Yes

Is it a problem with a plugin? No 

Did this work before? Yes a few days ago

Does this work in other browsers? Yes 

Chrome version: 53.0.2760.0  Channel: canary
OS Version: OS X 10.11.5
Flash Version: Shockwave Flash 21.0 r0