Drop unnecessary RadioNodeList::m_onlyMatchImgElements member

Source/core/html/RadioNodeList.cpp

 /*
  * Copyright (c) 2012 Motorola Mobility, Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 22 matching lines @@
 #include "core/html/HTMLInputElement.h"
 #include "core/html/HTMLObjectElement.h"
 
 namespace blink {
 
 using namespace HTMLNames;
 
 RadioNodeList::RadioNodeList(ContainerNode& rootNode, const AtomicString& name, CollectionType type)
     : LiveNodeList(rootNode, type, InvalidateForFormControls, isHTMLFormElement(rootNode) ? NodeListIsRootedAtDocument : NodeListIsRootedAtNode)
     , m_name(name)
-    , m_onlyMatchImgElements(type == RadioImgNodeListType)
 {
     ScriptWrappable::init(this);
 }
 
 RadioNodeList::~RadioNodeList()
 {
 #if !ENABLE(OILPAN)
-    ownerNode().nodeLists()->removeCache(this, m_onlyMatchImgElements ? RadioImgNodeListType : RadioNodeListType, m_name);
+    ownerNode().nodeLists()->removeCache(this, type(), m_name);
 #endif
 }
 
 static inline HTMLInputElement* toRadioButtonInputElement(Element& element)
 {
     if (!isHTMLInputElement(element))
         return 0;
     HTMLInputElement& inputElement = toHTMLInputElement(element);
     if (!inputElement.isRadioButton() || inputElement.value().isEmpty())
         return 0;
     return &inputElement;
 }
 
 String RadioNodeList::value() const
 {
-    if (m_onlyMatchImgElements)
+    if (shouldOnlyMatchImgElements())
         return String();
     unsigned length = this->length();
     for (unsigned i = 0; i < length; ++i) {
         const HTMLInputElement* inputElement = toRadioButtonInputElement(*item(i));
         if (!inputElement || !inputElement->checked())
             continue;
         return inputElement->value();
     }
     return String();
 }
 
 void RadioNodeList::setValue(const String& value)
 {
-    if (m_onlyMatchImgElements)
+    if (shouldOnlyMatchImgElements())
         return;
     unsigned length = this->length();
     for (unsigned i = 0; i < length; ++i) {
         HTMLInputElement* inputElement = toRadioButtonInputElement(*item(i));
         if (!inputElement || inputElement->value() != value)
             continue;
         inputElement->setChecked(true);
         return;
     }
 }
 
 bool RadioNodeList::matchesByIdOrName(const Element& testElement) const
 {
     return testElement.getIdAttribute() == m_name || testElement.getNameAttribute() == m_name;
 }
 
 bool RadioNodeList::checkElementMatchesRadioNodeListFilter(const Element& testElement) const
 {
-    ASSERT(!m_onlyMatchImgElements);
+    ASSERT(!shouldOnlyMatchImgElements());
     ASSERT(isHTMLObjectElement(testElement) || testElement.isFormControlElement());
     if (isHTMLFormElement(ownerNode())) {
         HTMLFormElement* formElement = toHTMLElement(testElement).formOwner();
         if (!formElement || formElement != ownerNode())
             return false;
     }
 
     return matchesByIdOrName(testElement);
 }
 
 bool RadioNodeList::elementMatches(const Element& element) const
 {
-    if (m_onlyMatchImgElements) {
+    if (shouldOnlyMatchImgElements()) {
         if (!isHTMLImageElement(element))
             return false;
 
         if (toHTMLElement(element).formOwner() != ownerNode())
             return false;
 
         return matchesByIdOrName(element);
     }
 
     if (!isHTMLObjectElement(element) && !element.isFormControlElement())
         return false;
 
     if (isHTMLInputElement(element) && toHTMLInputElement(element).isImageButton())
         return false;
 
     return checkElementMatchesRadioNodeListFilter(element);
 }
 
 } // namespace