[orca] Fix copy and paste error

[Joanmarie Diggs <joanied src gnome org>]

commit 96ffb68c7ff88e35d448437481df7df525ffef3a
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Tue Apr 23 00:36:35 2019 -0400

    Fix copy and paste error

 src/orca/scripts/toolkits/Chromium/script.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/orca/scripts/toolkits/Chromium/script.py b/src/orca/scripts/toolkits/Chromium/script.py
index 11ab3e1a5..d94d44343 100644
--- a/src/orca/scripts/toolkits/Chromium/script.py
+++ b/src/orca/scripts/toolkits/Chromium/script.py
@@ -163,7 +163,7 @@ class Script(web.Script):
     def onCaretMoved(self, event):
         """Callback for object:text-caret-moved accessibility events."""
 
-        if self.utilities.isStaticTextLeaf(obj):
+        if self.utilities.isStaticTextLeaf(event.source):
             msg = "CHROMIUM: Ignoring event from static-text leaf"
             debug.println(debug.LEVEL_INFO, msg, True)
             return
@@ -363,7 +363,7 @@ class Script(web.Script):
     def onTextSelectionChanged(self, event):
         """Callback for object:text-selection-changed accessibility events."""
 
-        if self.utilities.isStaticTextLeaf(obj):
+        if self.utilities.isStaticTextLeaf(event.source):
             msg = "CHROMIUM: Ignoring event from static-text leaf"
             debug.println(debug.LEVEL_INFO, msg, True)
             return