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

net/quic/crypto/strike_register_client.h

 // Copyright 2013 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_QUIC_CRYPTO_STRIKE_REGISTER_CLIENT_H_
 #define NET_QUIC_CRYPTO_STRIKE_REGISTER_CLIENT_H_
 
 #include <string>
 
 #include "base/strings/string_piece.h"
@@ skipping 20 matching lines @@
    protected:
     virtual void RunImpl(bool nonce_is_valid_and_unique) = 0;
 
    private:
     DISALLOW_COPY_AND_ASSIGN(ResultCallback);
   };
 
   StrikeRegisterClient() {}
   virtual ~StrikeRegisterClient() {}
 
-  // Returns the strike server orbit if known, else empty string.
-  virtual std::string orbit() = 0;
+  // Returns true iff the strike register knows about the given orbit.
+  virtual bool IsKnownOrbit(base::StringPiece orbit) const = 0;
   // Validate a nonce for freshness and uniqueness.
   // Will invoke cb->Run(ValidateResponse::nonce_is_valid_and_unique())
   // once the asynchronous operation is complete.
   virtual void VerifyNonceIsValidAndUnique(
       base::StringPiece nonce,
       QuicWallTime now,
       ResultCallback* cb) = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(StrikeRegisterClient);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_CRYPTO_STRIKE_REGISTER_CLIENT_H_