Adding using declarations for std::swap.

net/quic/core/crypto/quic_crypto_client_config.cc

 // 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.
 
 #include "net/quic/core/crypto/quic_crypto_client_config.h"
 
 #include <algorithm>
 #include <memory>
 
 #include "base/metrics/histogram_macros.h"
@@ skipping 175 matching lines @@
     scfg_ = std::move(new_scfg_storage);
   }
   return SERVER_CONFIG_VALID;
 }
 
 void QuicCryptoClientConfig::CachedState::InvalidateServerConfig() {
   server_config_.clear();
   scfg_.reset();
   SetProofInvalid();
   std::queue<QuicConnectionId> empty_queue;
+  using std::swap;
   swap(server_designated_connection_ids_, empty_queue);
 }
 
 void QuicCryptoClientConfig::CachedState::SetProof(
     const std::vector<string>& certs,
     QuicStringPiece cert_sct,
     QuicStringPiece chlo_hash,
     QuicStringPiece signature) {
   bool has_changed = signature != server_config_sig_ ||
                      chlo_hash != chlo_hash_ || certs_.size() != certs.size();
@@ skipping 24 matching lines @@
   source_address_token_.clear();
   certs_.clear();
   cert_sct_.clear();
   chlo_hash_.clear();
   server_config_sig_.clear();
   server_config_valid_ = false;
   proof_verify_details_.reset();
   scfg_.reset();
   ++generation_counter_;
   std::queue<QuicConnectionId> empty_queue;
+  using std::swap;
   swap(server_designated_connection_ids_, empty_queue);
 }
 
 void QuicCryptoClientConfig::CachedState::ClearProof() {
   SetProofInvalid();
   certs_.clear();
   cert_sct_.clear();
   chlo_hash_.clear();
   server_config_sig_.clear();
 }
@@ skipping 740 matching lines @@
   }
 
   // Update canonical version to point at the "most recent" entry.
   canonical_server_map_[suffix_server_id] = server_id;
 
   server_state->InitializeFrom(*canonical_state);
   return true;
 }
 
 }  // namespace net