Remove using namespace in net/quic/quic_stream_sequencer.h

net/quic/quic_server_session.h

 // Copyright 2014 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.
 //
 // A server specific QuicSession subclass.
 
 #ifndef NET_QUIC_QUIC_SERVER_SESSION_H_
 #define NET_QUIC_QUIC_SERVER_SESSION_H_
 
 #include <set>
+#include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/containers/hash_tables.h"
 #include "base/memory/scoped_ptr.h"
 #include "net/quic/quic_crypto_server_stream.h"
 #include "net/quic/quic_per_connection_packet_writer.h"
 #include "net/quic/quic_protocol.h"
 #include "net/quic/quic_session.h"
 
@@ skipping 39 matching lines @@
 
   virtual void InitializeSession(const QuicCryptoServerConfig& crypto_config);
 
   const QuicCryptoServerStream* crypto_stream() const {
     return crypto_stream_.get();
   }
 
   // Override base class to process FEC config received from client.
   void OnConfigNegotiated() override;
 
-  void set_serving_region(string serving_region) {
+  void set_serving_region(std::string serving_region) {
     serving_region_ = serving_region;
   }
 
  protected:
   // QuicSession methods:
   QuicDataStream* CreateIncomingDataStream(QuicStreamId id) override;
   QuicDataStream* CreateOutgoingDataStream() override;
   QuicCryptoServerStream* GetCryptoStream() override;
 
   // If we should create an incoming stream, returns true. Otherwise
   // does error handling, including communicating the error to the client and
   // possibly closing the connection, and returns false.
   virtual bool ShouldCreateIncomingDataStream(QuicStreamId id);
 
   virtual QuicCryptoServerStream* CreateQuicCryptoServerStream(
       const QuicCryptoServerConfig& crypto_config);
 
  private:
   friend class test::QuicServerSessionPeer;
 
   scoped_ptr<QuicCryptoServerStream> crypto_stream_;
   QuicServerSessionVisitor* visitor_;
 
   // The most recent bandwidth estimate sent to the client.
   QuicBandwidth bandwidth_estimate_sent_to_client_;
 
   // Text describing server location. Sent to the client as part of the bandwith
   // estimate in the source-address token. Optional, can be left empty.
-  string serving_region_;
+  std::string serving_region_;
 
   // Time at which we send the last SCUP to the client.
   QuicTime last_scup_time_;
 
   // Number of packets sent to the peer, at the time we last sent a SCUP.
   int64 last_scup_sequence_number_;
 
   DISALLOW_COPY_AND_ASSIGN(QuicServerSession);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_QUIC_SERVER_SESSION_H_