IDL: Generate union type containers

Source/core/html/HTMLFormControlsCollection.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2010, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2014 Samsung Electronics. All rights reserved.
  *
  * 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
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #include "config.h"
 #include "core/html/HTMLFormControlsCollection.h"
 
+#include "bindings/core/v8/UnionTypesCore.h"
 #include "core/HTMLNames.h"
 #include "core/frame/UseCounter.h"
 #include "core/html/HTMLFieldSetElement.h"
 #include "core/html/HTMLFormElement.h"
 #include "core/html/HTMLImageElement.h"
 #include "wtf/HashSet.h"
 
 namespace blink {
 
 using namespace HTMLNames;
@@ skipping 148 matching lines @@
                 cache->addElementWithId(idAttrVal, element);
             if (!nameAttrVal.isEmpty() && idAttrVal != nameAttrVal && !foundInputElements.contains(nameAttrVal.impl()))
                 cache->addElementWithName(nameAttrVal, element);
         }
     }
 
     // Set the named item cache last as traversing the tree may cause cache invalidation.
     setNamedItemCache(cache.release());
 }
 
-void HTMLFormControlsCollection::namedGetter(const AtomicString& name, RefPtrWillBeRawPtr<RadioNodeList>& radioNodeList, RefPtrWillBeRawPtr<Element>& element)
+void HTMLFormControlsCollection::namedGetter(const AtomicString& name, RadioNodeListOrElement& returnValue)
 {
     WillBeHeapVector<RefPtrWillBeMember<Element> > namedItems;
     this->namedItems(name, namedItems);
 
     if (namedItems.isEmpty())
         return;
 
     if (namedItems.size() == 1) {
-        element = namedItems.at(0);
+        returnValue.setElement(namedItems.at(0));
         return;
     }
 
-    radioNodeList = ownerNode().radioNodeList(name);
+    returnValue.setRadioNodeList(ownerNode().radioNodeList(name));
 }
 
 void HTMLFormControlsCollection::supportedPropertyNames(Vector<String>& names)
 {
     // http://www.whatwg.org/specs/web-apps/current-work/multipage/common-dom-interfaces.html#htmlformcontrolscollection-0:
     // The supported property names consist of the non-empty values of all the id and name attributes
     // of all the elements represented by the collection, in tree order, ignoring later duplicates,
     // with the id of an element preceding its name if it contributes both, they differ from each
     // other, and neither is the duplicate of an earlier entry.
     HashSet<AtomicString> existingNames;
@@ skipping 16 matching lines @@
     }
 }
 
 void HTMLFormControlsCollection::trace(Visitor* visitor)
 {
     visitor->trace(m_cachedElement);
     HTMLCollection::trace(visitor);
 }
 
 }