Handle the window close and disconnect from MySQL server.
Handle the window close and disconnect from MySQL server.

yoichiro/chrome_mysql_admin,yoichiro/chrome_mysql_admin,igrep/chrome_mysql_admin,sky7sea/chrome_mysql_admin,igrep/chrome_mysql_admin,yoichiro/chrome_mysql_admin,sky7sea/chrome_mysql_admin,igrep/chrome_mysql_admin,sky7sea/chrome_mysql_admin