Remove using namespace in net/quic/quic_stream_sequencer.h

net/quic/quic_crypto_client_stream_test.cc

 // 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.
 
 #include "net/quic/quic_crypto_client_stream.h"
 
+#include <string>
+
 #include "base/memory/scoped_ptr.h"
 #include "net/quic/crypto/aes_128_gcm_12_encrypter.h"
 #include "net/quic/crypto/quic_decrypter.h"
 #include "net/quic/crypto/quic_encrypter.h"
 #include "net/quic/quic_flags.h"
 #include "net/quic/quic_protocol.h"
 #include "net/quic/quic_server_id.h"
 #include "net/quic/quic_utils.h"
 #include "net/quic/test_tools/crypto_test_utils.h"
 #include "net/quic/test_tools/quic_test_utils.h"
@@ skipping 159 matching lines @@
   server_config_update.SetValue(kSourceAddressTokenTag, stk);
   server_config_update.SetValue(kSCFG, scfg);
 
   scoped_ptr<QuicData> data(
       CryptoFramer::ConstructHandshakeMessage(server_config_update));
   stream_->ProcessRawData(data->data(), data->length());
 
   // Make sure that the STK and SCFG are cached correctly.
   EXPECT_EQ("xstk", state->source_address_token());
 
-  string cached_scfg = state->server_config();
+  std::string cached_scfg = state->server_config();
   test::CompareCharArraysWithHexError(
       "scfg", cached_scfg.data(), cached_scfg.length(),
       QuicUtils::AsChars(scfg), arraysize(scfg));
 }
 
 TEST_F(QuicCryptoClientStreamTest, ServerConfigUpdateBeforeHandshake) {
   EXPECT_CALL(*connection_, SendConnectionClose(
       QUIC_CRYPTO_UPDATE_BEFORE_HANDSHAKE_COMPLETE));
   CryptoHandshakeMessage server_config_update;
   server_config_update.set_tag(kSCUP);
   scoped_ptr<QuicData> data(
       CryptoFramer::ConstructHandshakeMessage(server_config_update));
   stream_->ProcessRawData(data->data(), data->length());
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace net