Update from https://crrev.com/311076

net/http/http_server_properties_impl.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NET_HTTP_HTTP_SERVER_PROPERTIES_IMPL_H_
 #define NET_HTTP_HTTP_SERVER_PROPERTIES_IMPL_H_
 
 #include <map>
+#include <set>
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/containers/hash_tables.h"
 #include "base/gtest_prod_util.h"
 #include "base/threading/non_thread_safe.h"
 #include "base/values.h"
 #include "net/base/host_port_pair.h"
 #include "net/base/net_export.h"
@@ skipping 56 matching lines @@
 
   // Deletes all data.
   void Clear() override;
 
   // Returns true if |server| supports SPDY.
   bool SupportsSpdy(const HostPortPair& server) override;
 
   // Add |server| into the persistent store.
   void SetSupportsSpdy(const HostPortPair& server, bool support_spdy) override;
 
+  // Returns true if |server| has required HTTP/1.1 via HTTP/2 error code.
+  bool RequiresHTTP11(const HostPortPair& server) override;
+
+  // Require HTTP/1.1 on subsequent connections.  Not persisted.
+  void SetHTTP11Required(const HostPortPair& server) override;
+
+  // Modify SSLConfig to force HTTP/1.1 if necessary.
+  void MaybeForceHTTP11(const HostPortPair& server,
+                        SSLConfig* ssl_config) override;
+
   // Returns true if |server| has an Alternate-Protocol header.
   bool HasAlternateProtocol(const HostPortPair& server) override;
 
   // Returns the Alternate-Protocol and port for |server|.
   // HasAlternateProtocol(server) must be true.
   AlternateProtocolInfo GetAlternateProtocol(
       const HostPortPair& server) override;
 
   // Sets the Alternate-Protocol for |server|.
   void SetAlternateProtocol(const HostPortPair& server,
@@ skipping 57 matching lines @@
       const HostPortPair& host_port_pair) override;
 
   const ServerNetworkStatsMap& server_network_stats_map() const override;
 
  private:
   // |spdy_servers_map_| has flattened representation of servers (host, port)
   // that either support or not support SPDY protocol.
   typedef base::MRUCache<std::string, bool> SpdyServerHostPortMap;
   typedef std::map<HostPortPair, HostPortPair> CanonicalHostMap;
   typedef std::vector<std::string> CanonicalSufficList;
+  typedef std::set<HostPortPair> Http11ServerHostPortSet;
   // List of broken host:ports and the times when they can be expired.
   struct BrokenAlternateProtocolEntry {
     HostPortPair server;
     base::TimeTicks when;
   };
   typedef std::list<BrokenAlternateProtocolEntry>
       BrokenAlternateProtocolList;
   // Map from host:port to the number of times alternate protocol has
   // been marked broken.
   typedef std::map<HostPortPair, int> BrokenAlternateProtocolMap;
 
   // Return the canonical host for |server|, or end if none exists.
   CanonicalHostMap::const_iterator GetCanonicalHost(HostPortPair server) const;
 
   void RemoveCanonicalHost(const HostPortPair& server);
   void ExpireBrokenAlternateProtocolMappings();
   void ScheduleBrokenAlternateProtocolMappingsExpiration();
 
   SpdyServerHostPortMap spdy_servers_map_;
+  Http11ServerHostPortSet http11_servers_;
 
   AlternateProtocolMap alternate_protocol_map_;
   BrokenAlternateProtocolList broken_alternate_protocol_list_;
   BrokenAlternateProtocolMap broken_alternate_protocol_map_;
 
   SpdySettingsMap spdy_settings_map_;
   SupportsQuicMap supports_quic_map_;
   ServerNetworkStatsMap server_network_stats_map_;
   // Contains a map of servers which could share the same alternate protocol.
   // Map from a Canonical host/port (host is some postfix of host names) to an
   // actual origin, which has a plausible alternate protocol mapping.
   CanonicalHostMap canonical_host_to_origin_map_;
   // Contains list of suffixes (for exmaple ".c.youtube.com",
   // ".googlevideo.com", ".googleusercontent.com") of canonical hostnames.
   CanonicalSufficList canonical_suffixes_;
 
   double alternate_protocol_probability_threshold_;
 
   base::WeakPtrFactory<HttpServerPropertiesImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(HttpServerPropertiesImpl);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_SERVER_PROPERTIES_IMPL_H_