[orca] Disable caret navigation in sliders

[Joanmarie Diggs <joanied src gnome org>]

commit a5fe90b775be9b3e59739a395368a35965fec623
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Thu Aug 7 10:18:33 2014 -0400

    Disable caret navigation in sliders

 src/orca/scripts/toolkits/Gecko/script.py |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/src/orca/scripts/toolkits/Gecko/script.py b/src/orca/scripts/toolkits/Gecko/script.py
index 62ff079..05ef07b 100644
--- a/src/orca/scripts/toolkits/Gecko/script.py
+++ b/src/orca/scripts/toolkits/Gecko/script.py
@@ -1824,6 +1824,9 @@ class Script(default.Script):
         elif role in [pyatspi.ROLE_MENU, pyatspi.ROLE_MENU_ITEM]:
             weHandleIt = False
 
+        elif role in [pyatspi.ROLE_SLIDER]:
+            weHandleIt = False
+
         return weHandleIt
 
     def useStructuralNavigationModel(self):