Oilpan: add [WillBeGarbageCollected] for Element.

Source/core/html/HTMLOptionsCollection.cpp

Index: Source/core/html/HTMLOptionsCollection.cpp
diff --git a/Source/core/html/HTMLOptionsCollection.cpp b/Source/core/html/HTMLOptionsCollection.cpp
index f16a6d6d0b70cca811a1494f210220067a579516..e27e0e1629d2c0a28f90b8a341e0bfced2843623 100644
--- a/Source/core/html/HTMLOptionsCollection.cpp
+++ b/Source/core/html/HTMLOptionsCollection.cpp
@@ -123,7 +123,7 @@ void HTMLOptionsCollection::setLength(unsigned length, ExceptionState& exception
     toHTMLSelectElement(ownerNode()).setLength(length, exceptionState);
 }
 
-void HTMLOptionsCollection::namedGetter(const AtomicString& name, bool& returnValue0Enabled, RefPtrWillBeRawPtr<NodeList>& returnValue0, bool& returnValue1Enabled, RefPtr<Element>& returnValue1)
+void HTMLOptionsCollection::namedGetter(const AtomicString& name, bool& returnValue0Enabled, RefPtrWillBeRawPtr<NodeList>& returnValue0, bool& returnValue1Enabled, RefPtrWillBeRawPtr<Element>& returnValue1)
 {
     WillBeHeapVector<RefPtrWillBeMember<Element> > namedItems;
     this->namedItems(name, namedItems);
@@ -133,8 +133,7 @@ void HTMLOptionsCollection::namedGetter(const AtomicString& name, bool& returnVa
 
     if (namedItems.size() == 1) {
         returnValue1Enabled = true;
-        // FIXME: Oilpan: remove the call to |get| when Element becomes [GarbageCollected].
-        returnValue1 = namedItems.at(0).get();
+        returnValue1 = namedItems.at(0);
         return;
     }