This creates an Auto closing SSH Tunnel (Tunnel will close if Chrome exits) to a remote ssh server and redirect to localhost on port 7070 and launch Chrome Portable using local port 7070 as socks 5 proxy

The following command is for cygwin on Windows.Can be customised for Mac OS or Linux

ssh -o StrictHostKeyChecking=no -C -f -q -D 7070 username@servername sleep 10 ; "/cygdrive/c/PortableApps/GoogleChromePortable/GoogleChromePortable.exe" --proxy-server="socks5://localhost:7070" &