[orca] Filter out layout-only lists when speaking context

[Joanmarie Diggs <joanied src gnome org>]

commit ff681dcdf3d124430d089def9fdd3e36ba38635d
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Sat Jan 21 14:52:26 2017 -0500

    Filter out layout-only lists when speaking context

 src/orca/scripts/web/script_utilities.py |   15 ++++++++++++---
 1 files changed, 12 insertions(+), 3 deletions(-)
---
diff --git a/src/orca/scripts/web/script_utilities.py b/src/orca/scripts/web/script_utilities.py
index 05aacfb..4a7d322 100644
--- a/src/orca/scripts/web/script_utilities.py
+++ b/src/orca/scripts/web/script_utilities.py
@@ -2066,14 +2066,23 @@ class Utilities(script_utilities.Utilities):
         return rv
 
     def isLayoutOnly(self, obj):
-        if not obj:
-            return False
+        if not (obj and self.inDocumentContent(obj)):
+            return super().isLayoutOnly(obj)
 
         rv = self._isLayoutOnly.get(hash(obj))
         if rv is not None:
             return rv
 
-        if self.isMath(obj):
+        try:
+            role = obj.getRole()
+        except:
+            msg = "ERROR: Exception getting role for %s" % obj
+            debug.println(debug.LEVEL_INFO, msg, True)
+            return False
+
+        if role == pyatspi.ROLE_LIST:
+            rv = self.treatAsDiv(obj)
+        elif self.isMath(obj):
             rv = False
         elif self.isLandmark(obj):
             rv = False