[orca] Be sure we have the active document in descendantAtPoint

[Joanmarie Diggs <joanied src gnome org>]

commit 20196e0484489d801c0a14f26277ed8e70233299
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Wed Nov 20 17:46:20 2019 -0500

    Be sure we have the active document in descendantAtPoint

 src/orca/scripts/web/script_utilities.py | 7 +++++++
 1 file changed, 7 insertions(+)
---
diff --git a/src/orca/scripts/web/script_utilities.py b/src/orca/scripts/web/script_utilities.py
index b68c18a63..53669edf8 100644
--- a/src/orca/scripts/web/script_utilities.py
+++ b/src/orca/scripts/web/script_utilities.py
@@ -4581,6 +4581,13 @@ class Utilities(script_utilities.Utilities):
         if not self.inDocumentContent(root):
             return super().descendantAtPoint(root, x, y, coordType)
 
+        if self.isDocument(root):
+            active = self.activeDocument()
+            if active and root != active:
+                msg = "WEB: %s is not active. Updating to %s." % (root, active)
+                debug.println(debug.LEVEL_INFO, msg, True)
+                root = active
+
         isMatch = lambda o: self.containsPoint(o, x, y, coordType)
         candidates = self.findAllDescendants(root, isMatch)