[oilpan] Completely move HTMLFormControlElement's hierarchy to the managed heap

Source/bindings/v8/custom/V8HTMLOptionsCollectionCustom.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 68 matching lines @@
 
     if (result.IsEmpty())
         return v8Null(args.GetIsolate());
 
     return result;
 }
 
 v8::Handle<v8::Value> V8HTMLOptionsCollection::removeMethodCustom(const v8::Arguments& args)
 {
     HTMLOptionsCollection* imp = V8HTMLOptionsCollection::toNative(args.Holder());
-    HTMLSelectElement* base = toHTMLSelectElement(imp->ownerNode());
-    return removeElement(base, args);
+    Handle<HTMLSelectElement> base = toHTMLSelectElement(imp->ownerNode());
+    return removeElement(base.raw(), args);
 }
 
 v8::Handle<v8::Value> V8HTMLOptionsCollection::addMethodCustom(const v8::Arguments& args)
 {
     if (!V8HTMLOptionElement::HasInstance(args[0], args.GetIsolate(), worldType(args.GetIsolate())))
         return setDOMException(TYPE_MISMATCH_ERR, args.GetIsolate());
     HTMLOptionsCollection* imp = V8HTMLOptionsCollection::toNative(args.Holder());
     HTMLOptionElement* option = V8HTMLOptionElement::toNative(v8::Handle<v8::Object>(v8::Handle<v8::Object>::Cast(args[0])));
 
     ExceptionCode ec = 0;
@@ skipping 43 matching lines @@
     if (!result)
         return v8Undefined();
 
     return toV8Fast(result.release(), info, collection);
 }
 
 v8::Handle<v8::Value> V8HTMLOptionsCollection::indexedPropertySetter(uint32_t index, v8::Local<v8::Value> value, const v8::AccessorInfo& info)
 {
     HandleScope handleScope;
     HTMLOptionsCollection* collection = V8HTMLOptionsCollection::toNative(info.Holder());
-    HTMLSelectElement* base = toHTMLSelectElement(collection->ownerNode());
-    return toOptionsCollectionSetter(index, value, base, info.GetIsolate());
+    Handle<HTMLSelectElement> base = toHTMLSelectElement(collection->ownerNode());
+    return toOptionsCollectionSetter(index, value, base.raw(), info.GetIsolate());
 }
 
 } // namespace WebCore