firefox part of bug 232691 - replace nsString() nsAutoString() and friends with EmptyC?String(), patch by Charles Fenwick (clf03f@garnet.acns.fsu.edu), r=mconnor

browser/components/migration/src/nsIEProfileMigrator.cpp

@@ -904,7 +904,7 @@ nsIEProfileMigrator::EnumerateUsernames(const nsAString& aKey, PRUnichar* aData,
         // Bingo! Found a username in the saved data for this item. Now, add a Signon.
         nsDependentString usernameStr(sd->user), passStr(sd->pass);
         nsDependentCString realm(sd->realm);
-        pwmgr->AddUserFull(realm, usernameStr, passStr, aKey, NS_LITERAL_STRING(""));
+        pwmgr->AddUserFull(realm, usernameStr, passStr, aKey, EmptyString());
       }
     }