Rename Node::treeScope() to Node::treeScopeOrDocument()

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

 /*
  * Copyright (C) 2008, 2009, 2011 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 878 matching lines @@
     attributeValue.split(' ', tokens);
 }
 
 void AXObject::elementsFromAttribute(HeapVector<Member<Element>>& elements, const QualifiedName& attribute) const
 {
     Vector<String> ids;
     tokenVectorFromAttribute(ids, attribute);
     if (ids.isEmpty())
         return;
 
-    TreeScope& scope = getNode()->treeScope();
+    TreeScope& scope = getNode()->treeScopeOrDocument();
     for (const auto& id : ids) {
         if (Element* idElement = scope.getElementById(AtomicString(id)))
             elements.append(idElement);
     }
 }
 
 void AXObject::ariaLabelledbyElementVector(HeapVector<Member<Element>>& elements) const
 {
     // Try both spellings, but prefer aria-labelledby, which is the official spec.
     elementsFromAttribute(elements, aria_labelledbyAttr);
@@ skipping 823 matching lines @@
 
 DEFINE_TRACE(AXObject)
 {
     visitor->trace(m_children);
     visitor->trace(m_parent);
     visitor->trace(m_cachedLiveRegionRoot);
     visitor->trace(m_axObjectCache);
 }
 
 } // namespace blink