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

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

Index: third_party/WebKit/Source/core/html/HTMLLabelElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLLabelElement.cpp b/third_party/WebKit/Source/core/html/HTMLLabelElement.cpp
index 3e22538abda6aa9e686beee758233357f53f6624..96813c1229a248619e6838489711b4d6cbac089c 100644
--- a/third_party/WebKit/Source/core/html/HTMLLabelElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLLabelElement.cpp
@@ -72,7 +72,7 @@ LabelableElement* HTMLLabelElement::control() const
         return nullptr;
     }
 
-    if (Element* element = treeScope().getElementById(controlId)) {
+    if (Element* element = treeScopeOrDocument().getElementById(controlId)) {
         if (isLabelableElement(*element) && toLabelableElement(*element).supportLabels()) {
             if (!element->isFormControlElement())
                 UseCounter::count(document(), UseCounter::HTMLLabelElementControlForNonFormAssociatedElement);
@@ -262,8 +262,8 @@ Node::InsertionNotificationRequest HTMLLabelElement::insertedInto(ContainerNode*
     InsertionNotificationRequest result = HTMLElement::insertedInto(insertionPoint);
     FormAssociatedElement::insertedInto(insertionPoint);
     if (insertionPoint->isInTreeScope()) {
-        TreeScope& scope = insertionPoint->treeScope();
-        if (scope == treeScope() && scope.shouldCacheLabelsByForAttribute())
+        TreeScope& scope = insertionPoint->treeScopeOrDocument();
+        if (scope == treeScopeOrDocument() && scope.shouldCacheLabelsByForAttribute())
             updateLabel(scope, nullAtom, fastGetAttribute(forAttr));
     }
 
@@ -276,8 +276,8 @@ Node::InsertionNotificationRequest HTMLLabelElement::insertedInto(ContainerNode*
 
 void HTMLLabelElement::removedFrom(ContainerNode* insertionPoint)
 {
-    if (insertionPoint->isInTreeScope() && treeScope() == document()) {
-        TreeScope& treeScope = insertionPoint->treeScope();
+    if (insertionPoint->isInTreeScope() && treeScopeOrDocument() == document()) {
+        TreeScope& treeScope = insertionPoint->treeScopeOrDocument();
         if (treeScope.shouldCacheLabelsByForAttribute())
             updateLabel(treeScope, fastGetAttribute(forAttr), nullAtom);
     }
@@ -299,7 +299,7 @@ void HTMLLabelElement::parseAttribute(const QualifiedName& attributeName, const
         UseCounter::count(document(), UseCounter::HTMLLabelElementFormContentAttribute);
     } else {
         if (attributeName == forAttr) {
-            TreeScope& scope = treeScope();
+            TreeScope& scope = treeScopeOrDocument();
             if (scope.shouldCacheLabelsByForAttribute())
                 updateLabel(scope, oldValue, attributeValue);
         }