SELECT element: Simplify the code by optionList().

third_party/WebKit/Source/modules/accessibility/AXMenuListPopup.cpp

 /*
  * Copyright (C) 2010 Apple 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 97 matching lines @@
     Node* parentNode = m_parent->getNode();
     if (!isHTMLSelectElement(parentNode))
         return;
 
     HTMLSelectElement* htmlSelectElement = toHTMLSelectElement(parentNode);
     m_haveChildren = true;
 
     if (m_activeIndex == -1)
         m_activeIndex = getSelectedIndex();
 
-    const HeapVector<Member<HTMLElement>>& listItems = htmlSelectElement->listItems();
-    unsigned length = listItems.size();
-    for (unsigned i = 0; i < length; i++) {
-        AXMenuListOption* option = menuListOptionAXObject(listItems[i]);
+    for (const auto& optionElement : htmlSelectElement->optionList()) {
+        AXMenuListOption* option = menuListOptionAXObject(optionElement);
         if (option) {
             option->setParent(this);
             m_children.append(option);
         }
     }
 }
 
 void AXMenuListPopup::updateChildrenIfNecessary()
 {
     if (m_haveChildren && m_parent && m_parent->needsToUpdateChildren())
@@ skipping 46 matching lines @@
 
 AXObject* AXMenuListPopup::activeDescendant()
 {
     if (m_activeIndex < 0 || m_activeIndex >= static_cast<int>(children().size()))
         return nullptr;
 
     return m_children[m_activeIndex].get();
 }
 
 } // namespace blink