Update from https://crrev.com/311076

net/http/http_server_properties.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_H_
 #define NET_HTTP_HTTP_SERVER_PROPERTIES_H_
 
 #include <map>
 #include <string>
 #include "base/basictypes.h"
 #include "base/containers/mru_cache.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
 #include "net/base/host_port_pair.h"
 #include "net/base/net_export.h"
 #include "net/quic/quic_bandwidth.h"
 #include "net/socket/next_proto.h"
 #include "net/spdy/spdy_framer.h"  // TODO(willchan): Reconsider this.
 #include "net/spdy/spdy_protocol.h"
 
 namespace net {
 
+struct SSLConfig;
+
 enum AlternateProtocolUsage {
   // Alternate Protocol was used without racing a normal connection.
   ALTERNATE_PROTOCOL_USAGE_NO_RACE = 0,
   // Alternate Protocol was used by winning a race with a normal connection.
   ALTERNATE_PROTOCOL_USAGE_WON_RACE = 1,
   // Alternate Protocol was not used by losing a race with a normal connection.
   ALTERNATE_PROTOCOL_USAGE_LOST_RACE = 2,
   // Alternate Protocol was not used because no Alternate-Protocol information
   // was available when the request was issued, but an Alternate-Protocol header
   // was present in the response.
@@ skipping 128 matching lines @@
   virtual void Clear() = 0;
 
   // Returns true if |server| supports SPDY.
   virtual bool SupportsSpdy(const HostPortPair& server) = 0;
 
   // Add |server| into the persistent store. Should only be called from IO
   // thread.
   virtual void SetSupportsSpdy(const HostPortPair& server,
                                bool support_spdy) = 0;
 
+  // Returns true if |server| has required HTTP/1.1 via HTTP/2 error code.
+  virtual bool RequiresHTTP11(const HostPortPair& server) = 0;
+
+  // Require HTTP/1.1 on subsequent connections.  Not persisted.
+  virtual void SetHTTP11Required(const HostPortPair& server) = 0;
+
+  // Modify SSLConfig to force HTTP/1.1.
+  static void ForceHTTP11(SSLConfig* ssl_config);
+
+  // Modify SSLConfig to force HTTP/1.1 if necessary.
+  virtual void MaybeForceHTTP11(const HostPortPair& server,
+                                SSLConfig* ssl_config) = 0;
+
   // Returns true if |server| has an Alternate-Protocol header.
   virtual bool HasAlternateProtocol(const HostPortPair& server) = 0;
 
   // Returns the Alternate-Protocol and port for |server|.
   // HasAlternateProtocol(server) must be true.
   virtual AlternateProtocolInfo GetAlternateProtocol(
       const HostPortPair& server) = 0;
 
   // Sets the Alternate-Protocol for |server|.
   virtual void SetAlternateProtocol(const HostPortPair& server,
@@ skipping 64 matching lines @@
 
   virtual const ServerNetworkStatsMap& server_network_stats_map() const = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(HttpServerProperties);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_SERVER_PROPERTIES_H_