Revert of Remove support for Alt-Svc/Alternate Protocol Probability

net/http/http_stream_factory_impl_unittest.cc

Index: net/http/http_stream_factory_impl_unittest.cc
diff --git a/net/http/http_stream_factory_impl_unittest.cc b/net/http/http_stream_factory_impl_unittest.cc
index e94f9ccede35bc967d084ec9bb62e5f826ccd1e3..002e3609fe3d60c282f5678ff2e13050f073a6b9 100644
--- a/net/http/http_stream_factory_impl_unittest.cc
+++ b/net/http/http_stream_factory_impl_unittest.cc
@@ -808,7 +808,7 @@
     AlternativeServiceInfoVector alternative_service_info_vector;
     base::Time expiration = base::Time::Now() + base::TimeDelta::FromDays(1);
     alternative_service_info_vector.push_back(
-        AlternativeServiceInfo(alternative_service, expiration));
+        AlternativeServiceInfo(alternative_service, 1.0, expiration));
     HostPortPair host_port_pair(alternative_service.host_port_pair());
     http_server_properties.SetAlternativeServices(
         host_port_pair, alternative_service_info_vector);
@@ -852,7 +852,7 @@
     AlternativeServiceInfoVector alternative_service_info_vector;
     base::Time expiration = base::Time::Now() + base::TimeDelta::FromDays(1);
     alternative_service_info_vector.push_back(
-        AlternativeServiceInfo(alternative_service, expiration));
+        AlternativeServiceInfo(alternative_service, 1.0, expiration));
     HostPortPair host_port_pair(alternative_service.host_port_pair());
     http_server_properties.SetAlternativeServices(
         host_port_pair, alternative_service_info_vector);
@@ -1654,7 +1654,7 @@
   base::Time expiration = base::Time::Now() + base::TimeDelta::FromDays(1);
   session->http_server_properties()->SetAlternativeService(
       HostPortPair("www.google.com", 8888),
-      AlternativeService(NPN_HTTP_2, "www.google.com", 9999), expiration);
+      AlternativeService(NPN_HTTP_2, "www.google.com", 9999), 1.0, expiration);
 
   SSLConfig ssl_config;
   StreamRequestWaiter waiter;