Update comment now that Chrome Frame is gone.

chrome/browser/notifications/notification_options_menu_model.cc

Index: chrome/browser/notifications/notification_options_menu_model.cc
diff --git a/chrome/browser/notifications/notification_options_menu_model.cc b/chrome/browser/notifications/notification_options_menu_model.cc
index cd518d9675cc2c1522589247b11db71378e343d2..5a199f6f808ffe7bd1e5066001b66cfb26170e86 100644
--- a/chrome/browser/notifications/notification_options_menu_model.cc
+++ b/chrome/browser/notifications/notification_options_menu_model.cc
@@ -266,7 +266,7 @@ void NotificationOptionsMenuModel::ExecuteCommand(int command_id,
           balloon_->profile(), active_desktop);
       if (!browser) {
         // It is possible that there is no browser window (e.g. when there are
-        // background pages, or for a chrome frame process on windows).
+        // background pages).
         browser = new Browser(Browser::CreateParams(balloon_->profile(),
                                                     active_desktop));
       }