Chrome Version: 55.0.2883.7
OS Version: 8872.6.0

What steps will reproduce the problem?
1. Open a browser window
2. Open Google Play Music
3. Try to use Alt+Tab to switch back to browser

What is the expected result?
You switch back to the browser

What happens instead of that?
There's a crash and everything restarts

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

UserAgentString: Mozilla/5.0 (X11; CrOS x86_64 8872.6.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.7 Safari/537.36