Drop LABEL element from form-associated elements.

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 11 matching lines @@
  *
  */
 
 #include "core/html/FormAssociatedElement.h"
 
 #include "core/HTMLNames.h"
 #include "core/dom/IdTargetObserver.h"
 #include "core/dom/NodeTraversal.h"
 #include "core/html/HTMLFormControlElement.h"
 #include "core/html/HTMLFormElement.h"
-#include "core/html/HTMLLabelElement.h"
 #include "core/html/HTMLObjectElement.h"
 #include "core/html/ValidityState.h"
 
 namespace blink {
 
 using namespace HTMLNames;
 
 class FormAttributeTargetObserver : public IdTargetObserver {
 public:
     static FormAttributeTargetObserver* create(const AtomicString& id, FormAssociatedElement*);
@@ skipping 261 matching lines @@
 
 bool FormAssociatedElement::isFormControlElementWithState() const
 {
     return false;
 }
 
 const HTMLElement& toHTMLElement(const FormAssociatedElement& associatedElement)
 {
     if (associatedElement.isFormControlElement())
         return toHTMLFormControlElement(associatedElement);
-    if (associatedElement.isLabelElement())
-        return toHTMLLabelElement(associatedElement);
     return toHTMLObjectElement(associatedElement);
 }
 
 const HTMLElement* toHTMLElement(const FormAssociatedElement* associatedElement)
 {
     ASSERT(associatedElement);
     return &toHTMLElement(*associatedElement);
 }
 
 HTMLElement* toHTMLElement(FormAssociatedElement* associatedElement)
@@ skipping 22 matching lines @@
     visitor->trace(m_element);
     IdTargetObserver::trace(visitor);
 }
 
 void FormAttributeTargetObserver::idTargetChanged()
 {
     m_element->formAttributeTargetChanged();
 }
 
 } // namespace blink