SELECT element: Simplify the code by optionList().

third_party/WebKit/Source/web/WebSearchableFormData.cpp

 /*
  * Copyright (C) 2009 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 84 matching lines @@
         if (!firstSubmitButton && control->isSuccessfulSubmitButton())
             firstSubmitButton = control;
     }
     return firstSubmitButton;
 }
 
 // Returns true if the selected state of all the options matches the default
 // selected state.
 bool isSelectInDefaultState(const HTMLSelectElement& select)
 {
-    const HeapVector<Member<HTMLElement>>& listItems = select.listItems();
     if (select.multiple() || select.size() > 1) {
-        for (const auto& item : listItems) {
-            if (!isHTMLOptionElement(*item))
-                continue;
-            HTMLOptionElement* optionElement = toHTMLOptionElement(item);
+        for (const auto& optionElement : select.optionList()) {
             if (optionElement->selected() != optionElement->fastHasAttribute(selectedAttr))
                 return false;
         }
         return true;
     }
 
     // The select is rendered as a combobox (called menulist in WebKit). At
     // least one item is selected, determine which one.
     HTMLOptionElement* initialSelected = nullptr;
-    for (const auto& item : listItems) {
-        if (!isHTMLOptionElement(*item))
-            continue;
-        HTMLOptionElement* optionElement = toHTMLOptionElement(item);
+    for (const auto& optionElement : select.optionList()) {
         if (optionElement->fastHasAttribute(selectedAttr)) {
             // The page specified the option to select.
             initialSelected = optionElement;
             break;
         }
         if (!initialSelected)
             initialSelected = optionElement;
     }
     return !initialSelected || initialSelected->selected();
 }
@@ skipping 146 matching lines @@
 
     String action(formElement->action());
     KURL url(formElement->document().completeURL(action.isNull() ? "" : action));
     RefPtr<EncodedFormData> formData = EncodedFormData::create(encodedString);
     url.setQuery(formData->flattenToString());
     m_url = url;
     m_encoding = String(encoding.name());
 }
 
 } // namespace blink