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

third_party/WebKit/Source/core/html/HTMLDataListElement.cpp

Index: third_party/WebKit/Source/core/html/HTMLDataListElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLDataListElement.cpp b/third_party/WebKit/Source/core/html/HTMLDataListElement.cpp
index 2ba053e998cdd88e20f8c88d3c72e82bc0db37d2..48bf486a601aeae0369b56b749a2f39dc9779a98 100644
--- a/third_party/WebKit/Source/core/html/HTMLDataListElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLDataListElement.cpp
@@ -59,17 +59,17 @@ void HTMLDataListElement::childrenChanged(const ChildrenChange& change)
 {
     HTMLElement::childrenChanged(change);
     if (!change.byParser)
-        treeScope().idTargetObserverRegistry().notifyObservers(getIdAttribute());
+        treeScopeOrDocument().idTargetObserverRegistry().notifyObservers(getIdAttribute());
 }
 
 void HTMLDataListElement::finishParsingChildren()
 {
-    treeScope().idTargetObserverRegistry().notifyObservers(getIdAttribute());
+    treeScopeOrDocument().idTargetObserverRegistry().notifyObservers(getIdAttribute());
 }
 
 void HTMLDataListElement::optionElementChildrenChanged()
 {
-    treeScope().idTargetObserverRegistry().notifyObservers(getIdAttribute());
+    treeScopeOrDocument().idTargetObserverRegistry().notifyObservers(getIdAttribute());
 }
 
 } // namespace blink