Revert 151996 "Avoid N^2 walk placing renderers when building th..."

Source/core/html/HTMLInputElement.cpp

Index: Source/core/html/HTMLInputElement.cpp
diff --git a/Source/core/html/HTMLInputElement.cpp b/Source/core/html/HTMLInputElement.cpp
index d1de7fabc0c9043db4fe1e217d34392b051ee653..a5bb12a33fa5b238ad5724bfec40c6f030dd9fa9 100644
--- a/Source/core/html/HTMLInputElement.cpp
+++ b/Source/core/html/HTMLInputElement.cpp
@@ -1478,16 +1478,11 @@ void HTMLInputElement::didChangeForm()
     addToRadioButtonGroup();
 }
 
-void HTMLInputElement::addToRadioButtonGroupCallback(Node* node)
-{
-    toHTMLInputElement(node)->addToRadioButtonGroup();
-}
-
 Node::InsertionNotificationRequest HTMLInputElement::insertedInto(ContainerNode* insertionPoint)
 {
     HTMLTextFormControlElement::insertedInto(insertionPoint);
-    if (insertionPoint->inDocument() && !form() && checkedRadioButtons())
-        queueInsertionCallback(addToRadioButtonGroupCallback, this);
+    if (insertionPoint->inDocument() && !form())
+        addToRadioButtonGroup();
     resetListAttributeTargetObserver();
     return InsertionDone;
 }