| Index: extensions/browser/guest_view/web_view/web_view_apitest.cc | 
| diff --git a/extensions/browser/guest_view/web_view/web_view_apitest.cc b/extensions/browser/guest_view/web_view/web_view_apitest.cc | 
| index 5857b7397df4e6673a1868888233b2251fd394d9..179ffcec31879d5a9a27113e8028aefaa08c6cf9 100644 | 
| --- a/extensions/browser/guest_view/web_view/web_view_apitest.cc | 
| +++ b/extensions/browser/guest_view/web_view/web_view_apitest.cc | 
| @@ -50,7 +50,10 @@ const char kSitePerProcess[] = "sitePerProcess"; | 
|  | 
| class EmptyHttpResponse : public net::test_server::HttpResponse { | 
| public: | 
| -  std::string ToResponseString() const override { return std::string(); } | 
| +  void SendResponse(net::test_server::SendCallback send, | 
| +                    net::test_server::SendDoneCallback done) override { | 
| +    send.Run("", done); | 
| +  } | 
| }; | 
|  | 
| // Handles |request| by serving a redirect response if the |User-Agent| is | 
|  |