Use stricter typing for HTMLCollection named getter

Source/bindings/v8/custom/V8HTMLFormControlsCollectionCustom.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 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "V8HTMLFormControlsCollection.h"
 
-#include "V8Node.h"
+#include "V8Element.h"
 #include "V8RadioNodeList.h"
 #include "bindings/v8/V8Binding.h"
 #include "core/html/HTMLCollection.h"
 #include "core/html/RadioNodeList.h"
 
 namespace WebCore {
 
 template<typename CallbackInfo>
 static v8::Handle<v8::Value> getNamedItems(HTMLFormControlsCollection* collection, const AtomicString& name, const CallbackInfo& info)
 {
-    Vector<RefPtr<Node> > namedItems;
+    Vector<RefPtr<Element> > namedItems;
     collection->namedItems(name, namedItems);
 
     if (!namedItems.size())
         return v8Undefined();
 
     if (namedItems.size() == 1)
         return toV8(namedItems.at(0).release(), info.Holder(), info.GetIsolate());
 
     return toV8(collection->ownerNode()->radioNodeList(name).get(), info.Holder(), info.GetIsolate());
 }
 
 void V8HTMLFormControlsCollection::namedItemMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, name, info[0]);
     HTMLFormControlsCollection* imp = V8HTMLFormControlsCollection::toNative(info.Holder());
     v8::Handle<v8::Value> result = getNamedItems(imp, name, info);
 
     if (result.IsEmpty()) {
         v8SetReturnValueNull(info);
         return;
     }
 
     v8SetReturnValue(info, result);
 }
 
 } // namespace WebCore