.
--disable-background-networking
--disable-background-timer-throttling
--disable-client-side-phishing-detection
--disable-default-apps
--disable-extensions
--disable-hang-monitor
--disable-popup-blocking
--disable-prompt-on-repost
--disable-sync
--disable-translate
--metrics-recording-only
--no-first-run
--remote-debugging-port=0
--safebrowsing-disable-auto-update
--enable-automation
--password-store=basic
--use-mock-keychain
--user-data-dir="<somefolder>"
--headless
--disable-gpu
--hide-scrollbars
--mute-audio
When the WebSocket client sends a ping message to chromium, it closes the connection. I opened Fiddler I can see that after the Ping the connection closes.

Any idea what might be happening here?
I tested it using revision 574897
Thanks
Dario