diff -Nru unity-webapps-youtube-2.4.16+13.10.20130917.1/YouTubeyoutubecom.desktop unity-webapps-youtube-2.4.16+13.10.20130924.2/YouTubeyoutubecom.desktop
--- unity-webapps-youtube-2.4.16+13.10.20130917.1/YouTubeyoutubecom.desktop	1970-01-01 00:00:00.000000000 +0000
+++ unity-webapps-youtube-2.4.16+13.10.20130924.2/YouTubeyoutubecom.desktop	2013-09-24 22:03:31.000000000 +0000
@@ -0,0 +1,9 @@
+[Desktop Entry]
+Name=YouTube
+Type=Application
+Icon=unity-webapps-youtube
+MimeType=
+Actions=S0;S1;S2;S3;S4;S5;S6;S7;S8;S9;S10;
+Exec=unity-webapps-runner -n 'WW91VHViZQ==' -d 'youtube.com' %u
+StartupWMClass=YouTubeyoutubecom
+    
\ No newline at end of file
diff -Nru unity-webapps-youtube-2.4.16+13.10.20130917.1/debian/changelog unity-webapps-youtube-2.4.16+13.10.20130924.2/debian/changelog
--- unity-webapps-youtube-2.4.16+13.10.20130917.1/debian/changelog	2013-09-25 00:21:32.000000000 +0000
+++ unity-webapps-youtube-2.4.16+13.10.20130924.2/debian/changelog	2013-09-25 00:21:33.000000000 +0000
@@ -1,3 +1,13 @@
+unity-webapps-youtube (2.4.16+13.10.20130924.2-0ubuntu1) saucy; urgency=low
+
+  [ Alexandre Abreu ]
+  * Add session migration script & desktop file for StartupWMClass
+
+  [ Ubuntu daily release ]
+  * Automatic snapshot from revision 60
+
+ -- Ubuntu daily release <ps-jenkins@lists.canonical.com>  Tue, 24 Sep 2013 22:03:45 +0000
+
 unity-webapps-youtube (2.4.16+13.10.20130917.1-0ubuntu1) saucy; urgency=low
 
   [ Alexandre Abreu ]
diff -Nru unity-webapps-youtube-2.4.16+13.10.20130917.1/debian/install unity-webapps-youtube-2.4.16+13.10.20130924.2/debian/install
--- unity-webapps-youtube-2.4.16+13.10.20130917.1/debian/install	2013-09-25 00:21:32.000000000 +0000
+++ unity-webapps-youtube-2.4.16+13.10.20130924.2/debian/install	2013-09-25 00:21:33.000000000 +0000
@@ -6,3 +6,4 @@
 64/unity-webapps-youtube.png usr/share/icons/unity-webapps-applications/64/apps
 manifest.json usr/share/unity-webapps/userscripts/unity-webapps-youtube
 
+YouTubeyoutubecom.desktop usr/share/applications
diff -Nru unity-webapps-youtube-2.4.16+13.10.20130917.1/debian/unity-webapps-youtube.migrations unity-webapps-youtube-2.4.16+13.10.20130924.2/debian/unity-webapps-youtube.migrations
--- unity-webapps-youtube-2.4.16+13.10.20130917.1/debian/unity-webapps-youtube.migrations	1970-01-01 00:00:00.000000000 +0000
+++ unity-webapps-youtube-2.4.16+13.10.20130924.2/debian/unity-webapps-youtube.migrations	2013-09-25 00:21:33.000000000 +0000
@@ -0,0 +1 @@
+scripts/update-desktop-file-unity-webapps-youtube.py
diff -Nru unity-webapps-youtube-2.4.16+13.10.20130917.1/scripts/update-desktop-file-unity-webapps-youtube.py unity-webapps-youtube-2.4.16+13.10.20130924.2/scripts/update-desktop-file-unity-webapps-youtube.py
--- unity-webapps-youtube-2.4.16+13.10.20130917.1/scripts/update-desktop-file-unity-webapps-youtube.py	1970-01-01 00:00:00.000000000 +0000
+++ unity-webapps-youtube-2.4.16+13.10.20130924.2/scripts/update-desktop-file-unity-webapps-youtube.py	2013-09-24 22:03:31.000000000 +0000
@@ -0,0 +1,34 @@
+#!/usr/bin/python
+from gi.repository import Gio
+import os
+import glib
+import glob
+import re
+
+APP_ID = 'YouTubeyoutubecom'
+
+def get_local_applications_path():
+    return os.path.join(glib.get_user_data_dir(), 'applications')
+
+def update_desktop_file_startupwmclass():
+    local_applications_path = get_local_applications_path()
+    if not os.path.exists(local_applications_path) or not os.path.isdir(local_applications_path):
+        return
+
+    desktop_filename = os.path.join(local_applications_path, '{0}.desktop'.format(APP_ID))
+    if not os.path.exists(desktop_filename) or not os.path.isfile(desktop_filename):
+        return
+
+    try:
+        desktop_file_content = open(desktop_filename).read()
+        start_idx = desktop_file_content.find('[Desktop Entry]')
+        if start_idx != -1 and desktop_file_content.find('StartupWMClass') == -1:
+            start_idx += len('[Desktop Entry]')
+            updated_desktop_file_content = desktop_file_content[:start_idx] + '\nStartupWMClass={0}'.format(APP_ID) + desktop_file_content[start_idx:]
+            open(desktop_filename, "w+").write(updated_desktop_file_content)
+    except Exception, e:
+        print 'Error while upgrading the desktop file: ', str(e)
+
+if __name__ == "__main__":
+    update_desktop_file_startupwmclass()
+    
\ No newline at end of file