[orca] Treat trees as whole objects for the purpose of caret navigation

[Joanmarie Diggs <joanied src gnome org>]

commit 9357aa9cd82f43a853704b98464eb7a76352d4ed
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Wed Jan 23 10:30:54 2019 -0500

    Treat trees as whole objects for the purpose of caret navigation

 src/orca/scripts/web/script_utilities.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/src/orca/scripts/web/script_utilities.py b/src/orca/scripts/web/script_utilities.py
index af9081e2e..4f4533871 100644
--- a/src/orca/scripts/web/script_utilities.py
+++ b/src/orca/scripts/web/script_utilities.py
@@ -933,7 +933,8 @@ class Utilities(script_utilities.Utilities):
                  pyatspi.ROLE_RADIO_MENU_ITEM,
                  pyatspi.ROLE_RADIO_BUTTON,
                  pyatspi.ROLE_PUSH_BUTTON,
-                 pyatspi.ROLE_TOGGLE_BUTTON]
+                 pyatspi.ROLE_TOGGLE_BUTTON,
+                 pyatspi.ROLE_TREE]
 
         role = obj.getRole()
         if role in roles: