/usr/share/applications/firefox-aurora.desktop

[Desktop Entry]
Name=Aurora
GenericName=Web Browser
Comment=Browse the World Wide Web
Exec=firefox-aurora %u
Terminal=false
Type=Application
Icon=firefox-aurora-icon
Categories=Network;WebBrowser;
MimeType=text/html;text/xml;application/xhtml+xml;application/vnd.mozilla.xul+xml;text/mml;x-scheme-handler/http;x-scheme-handler/https;x-scheme-handler/ftp;
StartupNotify=true
Actions=NewTab;NewWindow;NewPrivateWindow;

[Desktop Action NewTab]
Name=Open new tab
Exec=firefox-aurora -new-tab about:newtab

[Desktop Action NewWindow]
Name=Open new window
Exec=firefox-aurora -new-window

[Desktop Action NewPrivateWindow]
Name=New private window
Exec=firefox-aurora -private-window