QUIC - Allow cronet apps to specify how many server configs are to be

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 <stdint.h>
 
 #include <map>
@@ skipping 199 matching lines @@
 
 typedef std::vector<AlternativeService> AlternativeServiceVector;
 typedef std::vector<AlternativeServiceInfo> AlternativeServiceInfoVector;
 typedef base::MRUCache<HostPortPair, AlternativeServiceInfoVector>
     AlternativeServiceMap;
 typedef base::MRUCache<HostPortPair, SettingsMap> SpdySettingsMap;
 typedef base::MRUCache<HostPortPair, ServerNetworkStats> ServerNetworkStatsMap;
 typedef base::MRUCache<QuicServerId, std::string> QuicServerInfoMap;
 
 // Persist 5 QUIC Servers. This is mainly used by cronet.
-const int kMaxQuicServersToPersist = 5;
+const size_t kMaxQuicServersToPersist = 5;
 
 extern const char kAlternateProtocolHeader[];
 extern const char kAlternativeServiceHeader[];
 
 // The interface for setting/retrieving the HTTP server properties.
 // Currently, this class manages servers':
 // * SPDY support (based on NPN results).
 // * alternative service support.
 // * SPDY Settings (like CWND ID field).
 // * QUIC data (like ServerNetworkStats and QuicServerInfo).
@@ skipping 143 matching lines @@
   virtual bool SetQuicServerInfo(const QuicServerId& server_id,
                                  const std::string& server_info) = 0;
 
   // Get QuicServerInfo (in std::string form) for the given |server_id|.
   virtual const std::string* GetQuicServerInfo(
       const QuicServerId& server_id) = 0;
 
   // Returns all persistent QuicServerInfo objects.
   virtual const QuicServerInfoMap& quic_server_info_map() const = 0;
 
+  // Returns the number of server configs (QuicServerInfo objects) persisted.
+  virtual int number_of_server_configs_stored_in_properties() const = 0;
+
+  // Sets the number of server configs (QuicServerInfo objects) to be persisted.
+  virtual void set_number_of_server_configs_stored_in_properties(
+      int number_of_server_configs_stored_in_properties) = 0;
+
  private:
   DISALLOW_COPY_AND_ASSIGN(HttpServerProperties);
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_SERVER_PROPERTIES_H_