Persist dynamically learned SPDY settings (like CWND).

net/http/http_server_properties_impl.h

 // Copyright (c) 2011 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 <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/gtest_prod_util.h"
 #include "base/hash_tables.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 14 matching lines @@
   virtual ~HttpServerPropertiesImpl();
 
   // Initializes |spdy_servers_table_| with the servers (host/port) from
   // |spdy_servers| that either support SPDY or not.
   void InitializeSpdyServers(std::vector<std::string>* spdy_servers,
                              bool support_spdy);
 
   void InitializeAlternateProtocolServers(
       AlternateProtocolMap* alternate_protocol_servers);
 
+  void InitializeSpdySettingsServers(SpdySettingsMap* spdy_settings_map);
+
   // Get the list of servers (host/port) that support SPDY.
   void GetSpdyServerList(base::ListValue* spdy_server_list) const;
 
   // Returns flattened string representation of the |host_port_pair|. Used by
   // unittests.
   static std::string GetFlattenedSpdyServer(
       const net::HostPortPair& host_port_pair);
 
   // Debugging to simulate presence of an AlternateProtocol.
   // If we don't have an alternate protocol in the map for any given host/port
@@ skipping 28 matching lines @@
       const HostPortPair& server,
       uint16 alternate_port,
       AlternateProtocol alternate_protocol) OVERRIDE;
 
   // Sets the Alternate-Protocol for |server| to be BROKEN.
   virtual void SetBrokenAlternateProtocol(const HostPortPair& server) OVERRIDE;
 
   // Returns all Alternate-Protocol mappings.
   virtual const AlternateProtocolMap& alternate_protocol_map() const OVERRIDE;
 
+  // Gets a reference to the SpdySettings stored for a host.
+  // If no settings are stored, returns an empty set of settings.
+  virtual const spdy::SpdySettings& GetSpdySettings(
+      const HostPortPair& host_port_pair) const OVERRIDE;
+
+  // Saves settings for a host. Returns true if SpdySettings are to be
+  // persisted because |spdy_settings_map_| has been updated.
+  virtual bool SetSpdySettings(const HostPortPair& host_port_pair,
+                               const spdy::SpdySettings& settings) OVERRIDE;
+
+  // Clears all spdy_settings.
+  virtual void ClearSpdySettings() OVERRIDE;
+
+  // Returns all persistent SpdySettings.
+  virtual const SpdySettingsMap& spdy_settings_map() const OVERRIDE;
+
  private:
   // |spdy_servers_table_| has flattened representation of servers (host/port
   // pair) that either support or not support SPDY protocol.
   typedef base::hash_map<std::string, bool> SpdyServerHostPortTable;
   SpdyServerHostPortTable spdy_servers_table_;
 
   AlternateProtocolMap alternate_protocol_map_;
+  SpdySettingsMap spdy_settings_map_;
 
   DISALLOW_COPY_AND_ASSIGN(HttpServerPropertiesImpl);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_SERVER_PROPERTIES_IMPL_H_