Remove using namespace in net/quic/quic_stream_sequencer.h

net/quic/test_tools/mock_crypto_client_stream.cc

 // Copyright (c) 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/test_tools/mock_crypto_client_stream.h"
 
 #include "net/quic/crypto/quic_decrypter.h"
 #include "net/quic/quic_client_session_base.h"
 #include "net/quic/quic_server_id.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+using std::string;
+
 namespace net {
 
 MockCryptoClientStream::MockCryptoClientStream(
     const QuicServerId& server_id,
     QuicClientSessionBase* session,
     ProofVerifyContext* verify_context,
     QuicCryptoClientConfig* crypto_config,
     HandshakeMode handshake_mode,
     const ProofVerifyDetails* proof_verify_details)
     : QuicCryptoClientStream(server_id, session, verify_context,
@@ skipping 79 matching lines @@
   ASSERT_EQ(QUIC_NO_ERROR, error);
   ASSERT_TRUE(session()->config()->negotiated());
   session()->OnConfigNegotiated();
 }
 
 QuicClientSessionBase* MockCryptoClientStream::client_session() {
   return reinterpret_cast<QuicClientSessionBase*>(session());
 }
 
 }  // namespace net