[orca] Chromium: Prune static text leaf nodes from flat review contents

[Joanmarie Diggs <joanied src gnome org>]

commit c33ece704261bad9203104175af4c0669d008ea1
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Mon Apr 15 13:53:12 2019 -0400

    Chromium: Prune static text leaf nodes from flat review contents
    
    We get the content from the parent element.

 src/orca/script_utilities.py                           |  6 +++++-
 src/orca/scripts/toolkits/Chromium/script_utilities.py | 14 ++++++++++++++
 2 files changed, 19 insertions(+), 1 deletion(-)
---
diff --git a/src/orca/script_utilities.py b/src/orca/script_utilities.py
index 604bc666f..62a925d49 100644
--- a/src/orca/script_utilities.py
+++ b/src/orca/script_utilities.py
@@ -1954,6 +1954,9 @@ class Utilities:
 
         return pyatspi.findAncestor(obj, inSelectedMenu) is not None
 
+    def isStaticTextLeaf(self, obj):
+        return False
+
     def getOnScreenObjects(self, root, extents=None):
         if not self.isOnScreen(root, extents):
             return []
@@ -2003,7 +2006,8 @@ class Utilities:
             objects.append(root)
 
         for child in root:
-            objects.extend(self.getOnScreenObjects(child, extents))
+            if not self.isStaticTextLeaf(child):
+                objects.extend(self.getOnScreenObjects(child, extents))
 
         if role == pyatspi.ROLE_MENU_BAR:
             self._selectedMenuBarMenu[hash(root)] = None
diff --git a/src/orca/scripts/toolkits/Chromium/script_utilities.py 
b/src/orca/scripts/toolkits/Chromium/script_utilities.py
index c5d081bf3..9b368734e 100644
--- a/src/orca/scripts/toolkits/Chromium/script_utilities.py
+++ b/src/orca/scripts/toolkits/Chromium/script_utilities.py
@@ -47,6 +47,20 @@ class Utilities(web.Utilities):
     def clearCachedObjects(self):
         super().clearCachedObjects()
 
+    def isStaticTextLeaf(self, obj):
+        if not (obj and self.inDocumentContent(obj)):
+            return super().isStaticTextLeaf(obj)
+
+        if obj.getRole() != pyatspi.ROLE_TEXT:
+            return False
+
+        if self._getTag(obj):
+            return False
+
+        msg = "CHROMIUM: %s believed to be static text leaf" % obj
+        debug.println(debug.LEVEL_INFO, msg, True)
+        return True
+
     def selectedChildCount(self, obj):
         count = super().selectedChildCount(obj)
         if count or "Selection" in pyatspi.listInterfaces(obj):