diff -r 0ed94ceaa377 -r cb62a4f66ebe webengine/widgetengine/inc/Preferences.h
--- a/webengine/widgetengine/inc/Preferences.h	Thu Dec 17 09:20:16 2009 +0200
+++ b/webengine/widgetengine/inc/Preferences.h	Thu Jan 07 13:31:38 2010 +0200
@@ -167,7 +167,11 @@
     * Remove preference for a particular key
     */
     void removePreferenceL( const TDesC& akey, const TDesC& avalue);   
-    
+    void externalizeL(RWriteStream& aStream) const;
+
+    void internalizeL(RReadStream& aStream);
+      
+    void deleteAllPrefFiles();
 
 private:
     RPtrHashMap<TDesC,PrefElement>* m_preferences;