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

net/http/http_server_properties_impl.h

Index: net/http/http_server_properties_impl.h
diff --git a/net/http/http_server_properties_impl.h b/net/http/http_server_properties_impl.h
index a169362a81fb5b3d5a34001f3465305a8bcf9ef0..3984ca9ba45fda38c282ea02263c92146c9faa29 100644
--- a/net/http/http_server_properties_impl.h
+++ b/net/http/http_server_properties_impl.h
@@ -134,6 +134,9 @@ class NET_EXPORT HttpServerPropertiesImpl
                          const std::string& server_info) override;
   const std::string* GetQuicServerInfo(const QuicServerId& server_id) override;
   const QuicServerInfoMap& quic_server_info_map() const override;
+  int number_of_server_configs_stored_in_properties() const override;
+  void set_number_of_server_configs_stored_in_properties(
+      int number_of_server_configs_stored_in_properties) override;
 
  private:
   friend class HttpServerPropertiesImplPeer;
@@ -187,6 +190,7 @@ class NET_EXPORT HttpServerPropertiesImpl
   double alternative_service_probability_threshold_;
 
   QuicServerInfoMap quic_server_info_map_;
+  int number_of_server_configs_stored_in_properties_;
 
   base::WeakPtrFactory<HttpServerPropertiesImpl> weak_ptr_factory_;