Don't add the data twice, it's also done by didReceiveData.
        
        * WebCoreSupport/WebFrameLoaderClient.mm:
        (WebFrameLoaderClient::deliverArchivedResources):



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@20210 268f45cc-cd09-0410-ab3c-d52691b4dbfc