[orca] Check 'URI' in addition to 'DocURL' when getting URL of document

[Joanmarie Diggs <joanied src gnome org>]

commit 7cb7b87afc19f722115edb6dc4df6c0a45487d7b
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Mon Nov 12 13:36:39 2018 -0500

    Check 'URI' in addition to 'DocURL' when getting URL of document

 src/orca/scripts/web/script_utilities.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/orca/scripts/web/script_utilities.py b/src/orca/scripts/web/script_utilities.py
index 35d02db78..b82e4385a 100644
--- a/src/orca/scripts/web/script_utilities.py
+++ b/src/orca/scripts/web/script_utilities.py
@@ -294,7 +294,7 @@ class Utilities(script_utilities.Utilities):
                 msg = "ERROR: Exception querying document interface of %s" % documentFrame
                 debug.println(debug.LEVEL_INFO, msg, True)
             else:
-                return document.getAttributeValue('DocURL')
+                return document.getAttributeValue('DocURL') or document.getAttributeValue('URI')
 
         return None