CallWindow: drag the video preview smoothly
CallWindow: drag the video preview smoothly

https://bugzilla.gnome.org/show_bug.cgi?id=656907

GNOME/telepathy-account-widgets,GNOME/telepathy-account-widgets,Distrotech/telepathy-account-widgets,GNOME/telepathy-account-widgets,Distrotech/telepathy-account-widgets