Add a GetAlternativeService method to HttpStream to return any

net/http/http_network_transaction_unittest.cc

Index: net/http/http_network_transaction_unittest.cc
diff --git a/net/http/http_network_transaction_unittest.cc b/net/http/http_network_transaction_unittest.cc
index 0314f626563089e0fc4e552cfc3de7c3254735ed..033680bb1d951ed90dde99ee363785d7fd6829b5 100644
--- a/net/http/http_network_transaction_unittest.cc
+++ b/net/http/http_network_transaction_unittest.cc
@@ -14969,6 +14969,12 @@ class FakeStream : public HttpStream,
     return false;
   }
 
+  bool GetAlternativeService(
+      AlternativeService* alternative_service) const override {
+    ADD_FAILURE();
+    return false;
+  }
+
   void GetSSLInfo(SSLInfo* ssl_info) override { ADD_FAILURE(); }
 
   void GetSSLCertRequestInfo(SSLCertRequestInfo* cert_request_info) override {
@@ -15215,6 +15221,12 @@ class FakeWebSocketBasicHandshakeStream : public WebSocketHandshakeStreamBase {
     return false;
   }
 
+  bool GetAlternativeService(
+      AlternativeService* alternative_service) const override {
+    ADD_FAILURE();
+    return false;
+  }
+
   void GetSSLInfo(SSLInfo* ssl_info) override {}
 
   void GetSSLCertRequestInfo(SSLCertRequestInfo* cert_request_info) override {