Oilpan: move DOM string collection objects to the Oilpan heap.

Source/modules/indexeddb/IDBObjectStore.cpp

 /*
  * Copyright (C) 2010 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 60 matching lines @@
 {
     visitor->trace(m_transaction);
     visitor->trace(m_indexMap);
 }
 
 ScriptValue IDBObjectStore::keyPath(ScriptState* scriptState) const
 {
     return idbAnyToScriptValue(scriptState, IDBAny::create(m_metadata.keyPath));
 }
 
-PassRefPtr<DOMStringList> IDBObjectStore::indexNames() const
+PassRefPtrWillBeRawPtr<DOMStringList> IDBObjectStore::indexNames() const
 {
     IDB_TRACE("IDBObjectStore::indexNames");
-    RefPtr<DOMStringList> indexNames = DOMStringList::create();
+    RefPtrWillBeRawPtr<DOMStringList> indexNames = DOMStringList::create();
     for (IDBObjectStoreMetadata::IndexMap::const_iterator it = m_metadata.indexes.begin(); it != m_metadata.indexes.end(); ++it)
         indexNames->append(it->value.name);
     indexNames->sort();
     return indexNames.release();
 }
 
 PassRefPtrWillBeRawPtr<IDBRequest> IDBObjectStore::get(ExecutionContext* context, const ScriptValue& key, ExceptionState& exceptionState)
 {
     IDB_TRACE("IDBObjectStore::get");
     if (isDeleted()) {
@@ skipping 577 matching lines @@
     }
     return IDBIndexMetadata::InvalidId;
 }
 
 WebIDBDatabase* IDBObjectStore::backendDB() const
 {
     return m_transaction->backendDB();
 }
 
 } // namespace WebCore