1 files changed, 7 insertions, 2 deletions
diff --git a/Source/WebCore/storage/IDBFactoryBackendInterface.h b/Source/WebCore/storage/IDBFactoryBackendInterface.h
index e05f316..87362d4 100644
--- a/Source/WebCore/storage/IDBFactoryBackendInterface.h
+++ b/Source/WebCore/storage/IDBFactoryBackendInterface.h
@@ -46,12 +46,17 @@ class SecurityOrigin;
 // This is implemented by IDBFactoryBackendImpl and optionally others (in order to proxy
 // calls across process barriers). All calls to these classes should be non-blocking and
 // trigger work on a background thread if necessary.
-class IDBFactoryBackendInterface : public ThreadSafeShared<IDBFactoryBackendInterface> {
+class IDBFactoryBackendInterface : public ThreadSafeRefCounted<IDBFactoryBackendInterface> {
 public:
     static PassRefPtr<IDBFactoryBackendInterface> create();
     virtual ~IDBFactoryBackendInterface() { }
 
-    virtual void open(const String& name, PassRefPtr<IDBCallbacks>, PassRefPtr<SecurityOrigin>, Frame*, const String& dataDir, int64_t maximumSize) = 0;
+    enum BackingStoreType {
+        DefaultBackingStore,
+        LevelDBBackingStore
+    };
+
+    virtual void open(const String& name, PassRefPtr<IDBCallbacks>, PassRefPtr<SecurityOrigin>, Frame*, const String& dataDir, int64_t maximumSize, BackingStoreType) = 0;
 };
 
 } // namespace WebCore