[orca] Chromium: Remove hack for not being able to ascend ancestry to top level

[Joanmarie Diggs <joanied src gnome org>]

commit 2bdda7821f93af7abfcf2132a1a03501ac5c6aa4
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Mon Jan 14 13:09:39 2019 -0500

    Chromium: Remove hack for not being able to ascend ancestry to top level

 .../scripts/toolkits/Chromium/script_utilities.py  | 23 ----------------------
 1 file changed, 23 deletions(-)
---
diff --git a/src/orca/scripts/toolkits/Chromium/script_utilities.py 
b/src/orca/scripts/toolkits/Chromium/script_utilities.py
index 5f76ea1ea..4bc299669 100644
--- a/src/orca/scripts/toolkits/Chromium/script_utilities.py
+++ b/src/orca/scripts/toolkits/Chromium/script_utilities.py
@@ -262,29 +262,6 @@ class Utilities(web.Utilities):
         debug.println(debug.LEVEL_INFO, msg, True)
         return True
 
-    def topLevelObject(self, obj):
-        # HACK: Remove this once we can ascend ancestry and get top level
-        # object from within web content.
-        topLevel = super().topLevelObject(obj)
-        if not topLevel or topLevel.getRole() in self._topLevelRoles():
-            return topLevel
-
-        msg = "CHROMIUM: ERROR: Top level object for %s is %s" % (obj, topLevel)
-        debug.println(debug.LEVEL_INFO, msg, True)
-
-        if self.isDocument(topLevel) and orca_state.activeWindow \
-           and orca_state.activeWindow.getApplication() == self._script.app:
-            startTime = time.time()
-            descendant = pyatspi.findDescendant(orca_state.activeWindow, lambda x: x == topLevel)
-            msg = "CHROMIUM: findDescendant() - %.4fs" % (time.time()-startTime)
-            debug.println(debug.LEVEL_INFO, msg, True)
-            if descendant:
-                msg = "CHROMIUM: HACK: Returning %s as top level" % orca_state.activeWindow
-                debug.println(debug.LEVEL_INFO, msg, True)
-                return orca_state.activeWindow
-
-        return topLevel
-
     def frameAndDialog(self, obj):
         # HACK: Remove this once we can ascend the ancestry.
         frame, dialog = super().frameAndDialog(obj)