QUIC - Always pesist 200 MRU alternate protocols to preferences file.

net/http/http_server_properties_impl.h

Index: net/http/http_server_properties_impl.h
diff --git a/net/http/http_server_properties_impl.h b/net/http/http_server_properties_impl.h
index 7b5f2f68986d8457a06f46288a721b4835858dea..222d609dd5837d6db832abe074f3738de5264520 100644
--- a/net/http/http_server_properties_impl.h
+++ b/net/http/http_server_properties_impl.h
@@ -109,13 +109,8 @@ class NET_EXPORT HttpServerPropertiesImpl
   // Returns all Alternate-Protocol mappings.
   const AlternateProtocolMap& alternate_protocol_map() const override;
 
-  void SetAlternateProtocolExperiment(
-      AlternateProtocolExperiment experiment) override;
-
   void SetAlternateProtocolProbabilityThreshold(double threshold) override;
 
-  AlternateProtocolExperiment GetAlternateProtocolExperiment() const override;
-
   // Gets a reference to the SettingsMap stored for a host.
   // If no settings are stored, returns an empty SettingsMap.
   const SettingsMap& GetSpdySettings(
@@ -184,7 +179,6 @@ class NET_EXPORT HttpServerPropertiesImpl
   AlternateProtocolMap alternate_protocol_map_;
   BrokenAlternateProtocolList broken_alternate_protocol_list_;
   BrokenAlternateProtocolMap broken_alternate_protocol_map_;
-  AlternateProtocolExperiment alternate_protocol_experiment_;
 
   SpdySettingsMap spdy_settings_map_;
   SupportsQuicMap supports_quic_map_;