if user has a user pref that matches the old default start page then migrate it to the new default page. sr=bienvenu git-svn-id: svn://10.0.0.236/trunk@175430 18797224-902f-48f8-a5cc-f745e15eee43
if user has a user pref that matches the old default start page then migrate it to the new default page. sr=bienvenu git-svn-id: svn://10.0.0.236/trunk@175430 18797224-902f-48f8-a5cc-f745e15eee43