Automatically fire AX events on Win based on tree changes

third_party/WebKit/Source/core/dom/AccessibleNode.cpp

Index: third_party/WebKit/Source/core/dom/AccessibleNode.cpp
diff --git a/third_party/WebKit/Source/core/dom/AccessibleNode.cpp b/third_party/WebKit/Source/core/dom/AccessibleNode.cpp
index 6f922037975f78bec21804704504f4d6478d2733..77f986a77fb73824537430bf15b0a89f938bf172 100644
--- a/third_party/WebKit/Source/core/dom/AccessibleNode.cpp
+++ b/third_party/WebKit/Source/core/dom/AccessibleNode.cpp
@@ -383,23 +383,19 @@ const AtomicString& AccessibleNode::GetPropertyOrARIAAttribute(
 }
 
 // static
-AccessibleNode* AccessibleNode::GetPropertyOrARIAAttribute(
+Element* AccessibleNode::GetPropertyOrARIAAttribute(
     Element* element,
     AOMRelationProperty property) {
   if (!element)
     return nullptr;
 
   if (AccessibleNode* result = GetProperty(element, property))
-    return result;
+    return result->element();
 
   // Fall back on the equivalent ARIA attribute.
   QualifiedName attribute = GetCorrespondingARIAAttribute(property);
   AtomicString value = element->FastGetAttribute(attribute);
-  Element* target = element->GetTreeScope().getElementById(value);
-  if (!target)
-    return nullptr;
-
-  return target->accessibleNode();
+  return element->GetTreeScope().getElementById(value);
 }
 
 // static