nsCOMPtr<nsIComponentLoaderManager> mgr; NS_GetComponentLoaderManager(getter_AddRefs(mgr)); if (mgr) mgr->FlushPersistentStore(PR_FALSE);
nsCategoryManager::DeleteCategory( const char *aCategoryName )  {    NS_ASSERTION(aCategoryName, "aCategoryName is NULL!");      // QUESTION: consider whether this should be an error    nsCStringKey categoryKey(aCategoryName);    return RemoveAndDelete(&categoryKey) ? NS_OK : NS_ERROR_NOT_AVAILABLE;  }