Remove using namespace in net/quic/quic_stream_sequencer.h

net/tools/quic/quic_server_session_test.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/tools/quic/quic_server_session.h"
 
 #include "net/quic/crypto/cached_network_parameters.h"
 #include "net/quic/crypto/quic_crypto_server_config.h"
 #include "net/quic/crypto/quic_random.h"
 #include "net/quic/quic_connection.h"
@@ skipping 19 matching lines @@
 using net::test::QuicDataStreamPeer;
 using net::test::QuicSentPacketManagerPeer;
 using net::test::QuicSessionPeer;
 using net::test::QuicSustainedBandwidthRecorderPeer;
 using net::test::SupportedVersions;
 using net::test::ValueRestore;
 using net::test::kClientDataStreamId1;
 using net::test::kClientDataStreamId2;
 using net::test::kClientDataStreamId3;
 using net::test::kClientDataStreamId4;
+using std::string;
 using testing::StrictMock;
 using testing::_;
 
 namespace net {
 namespace tools {
 namespace test {
 
 class QuicServerSessionPeer {
  public:
   static QuicDataStream* GetIncomingDataStream(
@@ skipping 378 matching lines @@
   cached_network_params.set_serving_region(kTestServingRegion);
   crypto_stream->set_previous_cached_network_params(cached_network_params);
   EXPECT_CALL(*connection_, ResumeConnectionState(_)).Times(1);
   session_->OnConfigNegotiated();
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace tools
 }  // namespace net