[oilpan] Move IDBDatabase, IDBDatabaseCallbacks, IDBDatabaseBackendInterface and other related clas…

Source/modules/indexeddb/IDBDatabaseCallbacksImpl.cpp

Index: Source/modules/indexeddb/IDBDatabaseCallbacksImpl.cpp
diff --git a/Source/modules/indexeddb/IDBDatabaseCallbacksImpl.cpp b/Source/modules/indexeddb/IDBDatabaseCallbacksImpl.cpp
index 008b2742d7bb450cc3a779700961de8d7ab5bca7..7284d98a7eaa19f1195026faa19d26acb28683cc 100644
--- a/Source/modules/indexeddb/IDBDatabaseCallbacksImpl.cpp
+++ b/Source/modules/indexeddb/IDBDatabaseCallbacksImpl.cpp
@@ -30,9 +30,11 @@
 
 namespace WebCore {
 
-PassRefPtr<IDBDatabaseCallbacksImpl> IDBDatabaseCallbacksImpl::create()
+DEFINE_GC_INFO(IDBDatabaseCallbacks);
+
+IDBDatabaseCallbacksImpl* IDBDatabaseCallbacksImpl::create()
 {
-    return adoptRef(new IDBDatabaseCallbacksImpl());
+    return new IDBDatabaseCallbacksImpl();
 }
 
 IDBDatabaseCallbacksImpl::IDBDatabaseCallbacksImpl()
@@ -75,4 +77,8 @@ void IDBDatabaseCallbacksImpl::onComplete(int64_t transactionId)
         m_database->onComplete(transactionId);
 }
 
+void IDBDatabaseCallbacksImpl::trace(Visitor* visitor) const
+{
+}
+
 } // namespace WebCore