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

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

Index: third_party/WebKit/Source/core/html/HTMLInputElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLInputElement.cpp b/third_party/WebKit/Source/core/html/HTMLInputElement.cpp
index 79f7d5a7301e3f112041696a94cf1db1ff47aa42..132fe65ff9abbadd6b79a5c4a8a25d7b3f11fd7c 100644
--- a/third_party/WebKit/Source/core/html/HTMLInputElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLInputElement.cpp
@@ -175,7 +175,7 @@ HTMLInputElement::~HTMLInputElement()
     // setForm(0) may register this to a TreeScope-level radio button group.
     // We should unregister it to avoid accessing a deleted object.
     if (type() == InputTypeNames::radio)
-        treeScope().radioButtonGroupScope().removeButton(this);
+        treeScopeOrDocument().radioButtonGroupScope().removeButton(this);
 
     // TODO(dtapuska): Make this passive touch listener see crbug.com/584438
     if (m_hasTouchEventHandler && document().frameHost())
@@ -1546,7 +1546,7 @@ void HTMLInputElement::didMoveToNewDocument(Document& oldDocument)
 
     // FIXME: Remove type check.
     if (type() == InputTypeNames::radio)
-        treeScope().radioButtonGroupScope().removeButton(this);
+        treeScopeOrDocument().radioButtonGroupScope().removeButton(this);
 
     updateTouchEventHandlerRegistry();
 
@@ -1597,7 +1597,7 @@ HTMLDataListElement* HTMLInputElement::dataList() const
     if (!m_inputType->shouldRespectListAttribute())
         return nullptr;
 
-    Element* element = treeScope().getElementById(fastGetAttribute(listAttr));
+    Element* element = treeScopeOrDocument().getElementById(fastGetAttribute(listAttr));
     if (!element)
         return nullptr;
     if (!isHTMLDataListElement(*element))
@@ -1761,7 +1761,7 @@ RadioButtonGroupScope* HTMLInputElement::radioButtonGroupScope() const
     if (HTMLFormElement* formElement = form())
         return &formElement->radioButtonGroupScope();
     if (inShadowIncludingDocument())
-        return &treeScope().radioButtonGroupScope();
+        return &treeScopeOrDocument().radioButtonGroupScope();
     return nullptr;
 }
 
@@ -1811,7 +1811,7 @@ ListAttributeTargetObserver* ListAttributeTargetObserver::create(const AtomicStr
 }
 
 ListAttributeTargetObserver::ListAttributeTargetObserver(const AtomicString& id, HTMLInputElement* element)
-    : IdTargetObserver(element->treeScope().idTargetObserverRegistry(), id)
+    : IdTargetObserver(element->treeScopeOrDocument().idTargetObserverRegistry(), id)
     , m_element(element)
 {
 }