- Add a priority field to QuicCryptoServerConfig configs and used it as

net/quic/crypto/quic_crypto_server_config.h

Index: net/quic/crypto/quic_crypto_server_config.h
diff --git a/net/quic/crypto/quic_crypto_server_config.h b/net/quic/crypto/quic_crypto_server_config.h
index 1f5b2feb8990b8adfd2400d5f1f185b4c0c14bbc..ffe17e664e35323419711e9f841f9707fa5c4e43 100644
--- a/net/quic/crypto/quic_crypto_server_config.h
+++ b/net/quic/crypto/quic_crypto_server_config.h
@@ -101,9 +101,9 @@ class NET_EXPORT_PRIVATE QuicCryptoServerConfig {
   // TESTING is a magic parameter for passing to the constructor in tests.
   static const char TESTING[];
 
-  // DefaultConfig generates a QuicServerConfigProtobuf protobuf suitable for
-  // using in tests.
-  static QuicServerConfigProtobuf* DefaultConfig(
+  // Generates a QuicServerConfigProtobuf protobuf suitable for
+  // AddConfig and SetConfigs.
+  static QuicServerConfigProtobuf* GenerateConfig(
       QuicRandom* rand,
       const QuicClock* clock,
       const ConfigOptions& options);
@@ -296,6 +296,11 @@ class NET_EXPORT_PRIVATE QuicCryptoServerConfig {
     // will not be promoted at a specific time.
     QuicWallTime primary_time;
 
+    // Secondary sort key for use when selecting primary configs and
+    // there are multiple configs with the same primary time.
+    // Smaller numbers mean higher priority.
+    uint64 priority;
+
    private:
     friend class base::RefCounted<Config>;
     virtual ~Config();