Update from https://crrev.com/311076

net/http/http_server_properties_manager.h

 // Copyright 2014 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_MANAGER_H_
 #define NET_HTTP_HTTP_SERVER_PROPERTIES_MANAGER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 74 matching lines @@
   void Clear() override;
 
   // Returns true if |server| supports SPDY. Should only be called from IO
   // thread.
   bool SupportsSpdy(const HostPortPair& server) override;
 
   // Add |server| as the SPDY server which supports SPDY protocol into the
   // persisitent store. Should only be called from IO thread.
   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 155 matching lines @@
   // Used to get |weak_ptr_| to self on the network thread.
   scoped_ptr<base::WeakPtrFactory<HttpServerPropertiesManager> >
       network_weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(HttpServerPropertiesManager);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_SERVER_PROPERTIES_MANAGER_H_