Change the AlternativeServiceMap with SchemeOriginPair key.

net/base/host_port_pair.h

Index: net/base/host_port_pair.h
diff --git a/net/base/host_port_pair.h b/net/base/host_port_pair.h
index 8fa9b3e143ab85c17592eb934e6b7cbd21e3bb88..ce991239b77d6f2540bd85a440c3738e9266289e 100644
--- a/net/base/host_port_pair.h
+++ b/net/base/host_port_pair.h
@@ -11,6 +11,7 @@
 #include <tuple>
 
 #include "net/base/net_export.h"
+#include "url/scheme_host_port.h"
 
 class GURL;
 
@@ -27,6 +28,9 @@ class NET_EXPORT HostPortPair {
   // Creates a HostPortPair for the origin of |url|.
   static HostPortPair FromURL(const GURL& url);
 
+  // Creates a HostPortPair from SchemeHostPort.
+  static HostPortPair FromSchemeHostPort(const url::SchemeHostPort& origin);
+
   // Creates a HostPortPair from an IPEndPoint.
   static HostPortPair FromIPEndPoint(const IPEndPoint& ipe);