Merge pull request #16099 (Chromium update)

The changes contain an update of the stable channel (along with beta and
dev as well) fixing 18 security vulnerabilities:

http://googlechromereleases.blogspot.de/2016/06/stable-channel-update.html
http://googlechromereleases.blogspot.de/2016/06/stable-channel-update_6.html
http://googlechromereleases.blogspot.de/2016/06/stable-channel-update_16.html

I've built and tested this at the following evaluation on my Hydra:

https://headcounter.org/hydra/eval/324449