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

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

Index: third_party/WebKit/Source/core/html/FormAssociatedElement.cpp
diff --git a/third_party/WebKit/Source/core/html/FormAssociatedElement.cpp b/third_party/WebKit/Source/core/html/FormAssociatedElement.cpp
index 3379b6fc8f054a278e18a527cbd3d9aceef9201d..90abfcfd62b85524261dd5d6963d18b03fad8639 100644
--- a/third_party/WebKit/Source/core/html/FormAssociatedElement.cpp
+++ b/third_party/WebKit/Source/core/html/FormAssociatedElement.cpp
@@ -119,7 +119,7 @@ HTMLFormElement* FormAssociatedElement::findAssociatedForm(const HTMLElement* el
         // value is a form element, then associate the form-associated element
         // with that form element.
         // 3.2. Abort the "reset the form owner" steps.
-        Element* newFormCandidate = element->treeScope().getElementById(formId);
+        Element* newFormCandidate = element->treeScopeOrDocument().getElementById(formId);
         return isHTMLFormElement(newFormCandidate) ? toHTMLFormElement(newFormCandidate) : 0;
     }
     // 4. Otherwise, if the form-associated element in question has an ancestor
@@ -342,7 +342,7 @@ FormAttributeTargetObserver* FormAttributeTargetObserver::create(const AtomicStr
 }
 
 FormAttributeTargetObserver::FormAttributeTargetObserver(const AtomicString& id, FormAssociatedElement* element)
-    : IdTargetObserver(toHTMLElement(element)->treeScope().idTargetObserverRegistry(), id)
+    : IdTargetObserver(toHTMLElement(element)->treeScopeOrDocument().idTargetObserverRegistry(), id)
     , m_element(element)
 {
 }