Use notify-osd instead notification-daemon in GNOME-Shell

How I can replace **notification-daemon** (ugly notifications at bottom of screen) by

NotifyOSD (modern bubbles in right upper corner) ?

I found some posts about this, but GNOME at default mode don't have Default Provider in

gnome.session (only in fall-back mode).

The information this post provides is related:
How can I make clicking Notify-OSD notifications bring me to their application/message?

The system file (12.04):

file:///usr/share/dbus-1/services/org.freedesktop.Notifications.service  

contents are:

    [D-BUS Service]
    Name=org.freedesktop.Notifications
    Exec=/bin/sh -c 'if
         [ ! -x /usr/lib/notification-daemon/notification-daemon ] ||
         [ "$GDMSESSION" = guest-restricted ] ||
         [ "$GDMSESSION" = gnome-classic-guest-restricted ]
         [ "$GDMSESSION" = default -a
              "$(basename `readlink /etc/alternatives/x-session-manager`)" =
                    gnome-session ] ||
         [ "$GDMSESSION" = ubuntu ] ||
         [ "$GDMSESSION" = ubuntu-2d ];
      then exec /usr/lib/notify-osd/notify-osd;
      else exec /usr/lib/notification-daemon/notification-daemon; fi'

presumably, switching the code segments that are bold will do the switch, but whether the change is actually functional is another matter. (for instance - Do both notification-daemon & notify-osd exist? etc.)

Another crude possibility is to rename the binaries swapping the names of notification-daemon and notify-osd however sometimes there are issues like conflicting dependencies occuring when a binary examines its own name.

I don't like posting hypothetical solutions but this is something I prefer not to try and since there has been no response perhaps this post will invigorate the audience and instigate better answers.

ref:

• Is it possible to replace notify-osd with Gnome 3 Indicators?
• Use notify-osd instead notification-daemon in GNOME-Shell
• Clickable Gnome-style notifications in Unity
• How to disable Unity style notification when using Gnome Shell
• Gnome 3 notifications are replaced with notify-osd when the machine goes to sleep
• How to install NotifyOSD-Config?
• -
• -

I use this trick on Ubuntu 13.10: just remove notification-deamon from startup applications:

Show start up services (hidden by default)

cd /etc/xdg/autostart/
sudo sed --in-place 's/NoDisplay=true/NoDisplay=false/g' *.desktop

Open Startup Applications (System Tools -> Preferences -> Startup Applicazions), search for "Notification Deamon" and unable it!