Remove the compile time flag for DATALIST Element.

Source/core/html/HTMLOptionElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2004, 2005, 2006, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2011 Motorola Mobility, Inc.  All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 176 matching lines @@
         if (items[i] == this)
             return optionIndex;
         ++optionIndex;
     }
 
     return 0;
 }
 
 void HTMLOptionElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
 {
-#if ENABLE(DATALIST_ELEMENT)
     if (name == valueAttr) {
         if (HTMLDataListElement* dataList = ownerDataListElement())
             dataList->optionElementChildrenChanged();
-    } else
-#endif
-    if (name == disabledAttr) {
+    } else if (name == disabledAttr) {
         bool oldDisabled = m_disabled;
         m_disabled = !value.isNull();
         if (oldDisabled != m_disabled) {
             didAffectSelector(AffectedSelectorDisabled | AffectedSelectorEnabled);
             if (renderer() && renderer()->style()->hasAppearance())
                 renderer()->theme()->stateChanged(renderer(), EnabledState);
         }
     } else if (name == selectedAttr) {
         // FIXME: This doesn't match what the HTML specification says.
         // The specification implies that removing the selected attribute or
@@ skipping 54 matching lines @@
 
     m_isSelected = selected;
     didAffectSelector(AffectedSelectorChecked);
 
     if (HTMLSelectElement* select = ownerSelectElement())
         select->invalidateSelectedItems();
 }
 
 void HTMLOptionElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
 {
-#if ENABLE(DATALIST_ELEMENT)
     if (HTMLDataListElement* dataList = ownerDataListElement())
         dataList->optionElementChildrenChanged();
-    else
-#endif
-    if (HTMLSelectElement* select = ownerSelectElement())
+    else if (HTMLSelectElement* select = ownerSelectElement())
         select->optionElementChildrenChanged();
     HTMLElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
 }
 
-#if ENABLE(DATALIST_ELEMENT)
 HTMLDataListElement* HTMLOptionElement::ownerDataListElement() const
 {
     for (ContainerNode* parent = parentNode(); parent ; parent = parent->parentNode()) {
         if (parent->hasTagName(datalistTag))
             return static_cast<HTMLDataListElement*>(parent);
     }
     return 0;
 }
-#endif
 
 HTMLSelectElement* HTMLOptionElement::ownerSelectElement() const
 {
     ContainerNode* select = parentNode();
     while (select && !select->hasTagName(selectTag))
         select = select->parentNode();
 
     if (!select)
         return 0;
 
@@ skipping 102 matching lines @@
 
 const HTMLOptionElement* toHTMLOptionElement(const Node* node)
 {
     ASSERT_WITH_SECURITY_IMPLICATION(!node || node->hasTagName(optionTag));
     return static_cast<const HTMLOptionElement*>(node);
 }
 
 #endif
 
 } // namespace