Add a GetAlternativeService method to HttpStream to return any

net/url_request/url_request_http_job_unittest.cc

Index: net/url_request/url_request_http_job_unittest.cc
diff --git a/net/url_request/url_request_http_job_unittest.cc b/net/url_request/url_request_http_job_unittest.cc
index ec26ab87f6a7844293c3ad126ad16a9f62c51ce0..c0665d86df9e195e96e15e7cef3d685dacd955ab 100644
--- a/net/url_request/url_request_http_job_unittest.cc
+++ b/net/url_request/url_request_http_job_unittest.cc
@@ -1136,6 +1136,11 @@ class FakeWebSocketHandshakeStream : public WebSocketHandshakeStreamBase {
     return false;
   }
 
+  bool GetAlternativeService(
+      AlternativeService* alternative_service) const override {
+    return false;
+  }
+
   void GetSSLInfo(SSLInfo* ssl_info) override {}
 
   void GetSSLCertRequestInfo(SSLCertRequestInfo* cert_request_info) override {}