[orca] Chromium: Ignore children-removed for static text leaf nodes

[Joanmarie Diggs <joanied src gnome org>]

commit 89e29bb07b40ddf8f45c24f940663f645a429d2e
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Mon May 4 11:31:38 2020 -0400

    Chromium: Ignore children-removed for static text leaf nodes
    
    Just like we do for children-added. We ignore the static text leaf nodes
    because their content is contained in the parent.

 src/orca/scripts/toolkits/Chromium/script.py | 5 +++++
 1 file changed, 5 insertions(+)
---
diff --git a/src/orca/scripts/toolkits/Chromium/script.py b/src/orca/scripts/toolkits/Chromium/script.py
index a895b1683..5cd9147d5 100644
--- a/src/orca/scripts/toolkits/Chromium/script.py
+++ b/src/orca/scripts/toolkits/Chromium/script.py
@@ -183,6 +183,11 @@ class Script(web.Script):
     def onChildrenRemoved(self, event):
         """Callback for object:children-changed:removed accessibility events."""
 
+        if self.utilities.isStaticTextLeaf(event.any_data):
+            msg = "CHROMIUM: Ignoring because child is static text leaf"
+            debug.println(debug.LEVEL_INFO, msg, True)
+            return
+
         if super().onChildrenRemoved(event):
             return