Add MarkAlternativeServiceRecentlyBroken.

net/http/http_server_properties.h

Index: net/http/http_server_properties.h
diff --git a/net/http/http_server_properties.h b/net/http/http_server_properties.h
index c561c2da9fed2516e8bf7036684f31c8a9b46700..21e8953f5c546e96fa23d5e002387c1e6f8a4c8a 100644
--- a/net/http/http_server_properties.h
+++ b/net/http/http_server_properties.h
@@ -220,6 +220,10 @@ class NET_EXPORT HttpServerProperties {
   // Sets the Alternate-Protocol for |server| to be BROKEN.
   virtual void SetBrokenAlternateProtocol(const HostPortPair& server) = 0;
 
+  // Marks |alternative_service| as recently broken.
+  virtual void MarkAlternativeServiceRecentlyBroken(
+      const AlternativeService& alternative_service) = 0;
+
   // Returns true iff |alternative_service| is currently broken.
   virtual bool IsAlternativeServiceBroken(
       const AlternativeService& alternative_service) = 0;