Revert 146672 "Add client callbacks to notify of changes of asso..."

Source/WebCore/html/FormAssociatedElement.cpp

Index: Source/WebCore/html/FormAssociatedElement.cpp
===================================================================
--- Source/WebCore/html/FormAssociatedElement.cpp	(revision 146918)
+++ Source/WebCore/html/FormAssociatedElement.cpp	(working copy)
@@ -25,9 +25,7 @@
 #include "config.h"
 #include "FormAssociatedElement.h"
 
-#include "EditorClient.h"
 #include "FormController.h"
-#include "Frame.h"
 #include "HTMLFormControlElement.h"
 #include "HTMLFormElement.h"
 #include "HTMLNames.h"
@@ -159,11 +157,7 @@
 
 void FormAssociatedElement::resetFormOwner()
 {
-    HTMLFormElement* originalForm = m_form;
     setForm(findAssociatedForm(toHTMLElement(this), m_form));
-    HTMLElement* element = toHTMLElement(this);     
-    if (m_form && m_form != originalForm && m_form->inDocument())
-        element->document()->didAssociateFormControl(element);
 }
 
 void FormAssociatedElement::formAttributeChanged()
@@ -171,11 +165,7 @@
     HTMLElement* element = toHTMLElement(this);
     if (!element->fastHasAttribute(formAttr)) {
         // The form attribute removed. We need to reset form owner here.
-        HTMLFormElement* originalForm = m_form;
         setForm(element->findFormAncestor());
-        HTMLElement* element = toHTMLElement(this);
-        if (m_form && m_form != originalForm && m_form->inDocument())
-            element->document()->didAssociateFormControl(element);
         m_formAttributeTargetObserver = nullptr;
     } else {
         resetFormOwner();