Remove using namespace in net/quic/quic_stream_sequencer.h

net/quic/quic_data_stream_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/quic/quic_data_stream.h"
 
+#include <string>
+
 #include "net/quic/quic_ack_notifier.h"
 #include "net/quic/quic_connection.h"
 #include "net/quic/quic_utils.h"
 #include "net/quic/quic_write_blocked_list.h"
 #include "net/quic/spdy_utils.h"
 #include "net/quic/test_tools/quic_flow_controller_peer.h"
 #include "net/quic/test_tools/quic_session_peer.h"
 #include "net/quic/test_tools/quic_test_utils.h"
 #include "net/quic/test_tools/reliable_quic_stream_peer.h"
 #include "net/test/gtest_util.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 using base::StringPiece;
 using std::min;
+using std::string;
 using testing::AnyNumber;
 using testing::InSequence;
 using testing::Return;
 using testing::SaveArg;
 using testing::StrictMock;
 using testing::_;
 
 namespace net {
 namespace test {
 namespace {
@@ skipping 497 matching lines @@
   EXPECT_CALL(*connection_, SendBlocked(kClientDataStreamId1)).Times(0);
   EXPECT_CALL(*session_, WritevData(kClientDataStreamId1, _, _, _, _, _))
       .WillOnce(Return(QuicConsumedData(0, fin)));
 
   stream_->WriteOrBufferData(body, fin, nullptr);
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace net