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

Source/modules/indexeddb/IDBFactoryBackendImpl.h

Index: Source/modules/indexeddb/IDBFactoryBackendImpl.h
diff --git a/Source/modules/indexeddb/IDBFactoryBackendImpl.h b/Source/modules/indexeddb/IDBFactoryBackendImpl.h
index 763a30eb78cf0d577e5f688776309db694bb4c68..3b195cafdf018ddec7165032bb5b25a28e890642 100644
--- a/Source/modules/indexeddb/IDBFactoryBackendImpl.h
+++ b/Source/modules/indexeddb/IDBFactoryBackendImpl.h
@@ -57,10 +57,10 @@ public:
     // Notifications from weak pointers.
     virtual void removeIDBDatabaseBackend(const String& uniqueIdentifier);
 
-    virtual void getDatabaseNames(PassRefPtr<IDBCallbacks>, const String& databaseIdentifier, ScriptExecutionContext*, const String& dataDir);
-    virtual void open(const String& name, int64_t version, int64_t transactionId, PassRefPtr<IDBCallbacks>, PassRefPtr<IDBDatabaseCallbacks>, const String& databaseIdentifier, ScriptExecutionContext*, const String& dataDir);
+    virtual void getDatabaseNames(IDBCallbacks*, const String& databaseIdentifier, ScriptExecutionContext*, const String& dataDir);
+    virtual void open(const String& name, int64_t version, int64_t transactionId, IDBCallbacks*, IDBDatabaseCallbacks*, const String& databaseIdentifier, ScriptExecutionContext*, const String& dataDir);
 
-    virtual void deleteDatabase(const String& name, PassRefPtr<IDBCallbacks>, const String& databaseIdentifier, ScriptExecutionContext*, const String& dataDir);
+    virtual void deleteDatabase(const String& name, IDBCallbacks*, const String& databaseIdentifier, ScriptExecutionContext*, const String& dataDir);
 
     virtual void trace(Visitor*) { }
 
@@ -69,7 +69,7 @@ protected:
     virtual PassRefPtr<IDBBackingStore> openBackingStore(const String& databaseIdentifier, const String& dataDir);
 
 private:
-    typedef HashMap<String, RefPtr<IDBDatabaseBackendImpl> > IDBDatabaseBackendMap;
+    typedef HashMap<String, Persistent<IDBDatabaseBackendImpl> > IDBDatabaseBackendMap;
     IDBDatabaseBackendMap m_databaseBackendMap;
 
     typedef HashMap<String, WeakPtr<IDBBackingStore> > IDBBackingStoreMap;