Automatically fire AX events on Win based on tree changes

third_party/WebKit/Source/modules/accessibility/AXObject.cpp

Index: third_party/WebKit/Source/modules/accessibility/AXObject.cpp
diff --git a/third_party/WebKit/Source/modules/accessibility/AXObject.cpp b/third_party/WebKit/Source/modules/accessibility/AXObject.cpp
index 39d1d47d299e2550b50b3cfb0179c55999fdc280..dcc092cd08656a09f7ae16171cc720f803d64e1f 100644
--- a/third_party/WebKit/Source/modules/accessibility/AXObject.cpp
+++ b/third_party/WebKit/Source/modules/accessibility/AXObject.cpp
@@ -387,9 +387,7 @@ Element* AXObject::GetAOMPropertyOrARIAAttribute(
   if (!element)
     return nullptr;
 
-  AccessibleNode* target =
-      AccessibleNode::GetPropertyOrARIAAttribute(element, property);
-  return target ? target->element() : nullptr;
+  return AccessibleNode::GetPropertyOrARIAAttribute(element, property);
 }
 
 bool AXObject::HasAOMProperty(AOMRelationListProperty property,