UserAgent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36
Platform: Chrome OS R65, R66

Steps to reproduce the problem:
1.Boot into Chromebook and Enter credentials to login into chrome OSOpen 10 browser windows 
2.Press multi window key (F5)
3.Hotplug/Unplug multiple times (5 times) HDMI via hoho dongle 

What is the expected behavior?
Browser should not crashes while Hotplug/unplug to DUT woth 10 different chrome browser windows opens.

What went wrong?
Browser crashes when HDMI/DP plug/unplug to DUT with 10 different chrome browser windows opens.

Did this work before? No 

Chrome version: 65.0.3325.181  Channel: n/a
OS Version: R65
Flash Version: Chrome OS R65, R66

Pixel Other versions.