[orca] Fix typo

[Joanmarie Diggs <joanied src gnome org>]

commit 3677ce9e85af9e2506ce597a1229180c8e2e6552
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Fri May 10 22:31:03 2019 +0200

    Fix typo

 src/orca/scripts/toolkits/Chromium/speech_generator.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/orca/scripts/toolkits/Chromium/speech_generator.py 
b/src/orca/scripts/toolkits/Chromium/speech_generator.py
index c69284e36..ded1b689c 100644
--- a/src/orca/scripts/toolkits/Chromium/speech_generator.py
+++ b/src/orca/scripts/toolkits/Chromium/speech_generator.py
@@ -52,7 +52,7 @@ class SpeechGenerator(web.SpeechGenerator):
             debug.println(debug.LEVEL_INFO, msg, True)
             return []
 
-        return super()._generateAncestors(obj, **args)
+        return super()._generateNewAncestors(obj, **args)
 
     def generateSpeech(self, obj, **args):
         if self._script.utilities.inDocumentContent(obj):