Remove using namespace in net/quic/quic_stream_sequencer.h

chrome/browser/net/network_stats_unittest.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 <string>
+
 #include "base/basictypes.h"
 #include "base/message_loop/message_loop.h"
 #include "chrome/browser/net/network_stats.h"
 #include "net/base/net_errors.h"
 #include "net/base/network_change_notifier.h"
 #include "net/base/test_completion_callback.h"
 #include "net/dns/host_resolver.h"
 #include "net/dns/mock_host_resolver.h"
 #include "net/socket/socket_test_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 14 matching lines @@
   }
 
   void TearDown() override {
     net::NetworkChangeNotifier::NotifyObserversOfIPAddressChangeForTests();
     // Empty the current queue.
     base::MessageLoop::current()->RunUntilIdle();
     PlatformTest::TearDown();
   }
 
   void CreateToken(uint64 timestamp_micros,
-                   const string& hash,
+                   const std::string& hash,
                    ProbePacket_Token* token) {
     token->set_timestamp_micros(timestamp_micros);
     token->mutable_hash()->assign(hash);
   }
 
   // DeterministicMockData defines the exact sequence of the read/write
   // operations (specified by the last parameter of MockRead/MockWrite).
   // |io_mode_write| is the IO mode for writing only. Reading is always async.
   void MakeDeterministicMockData(uint32 max_tests,
                                  uint32 max_probe_packets,
@@ skipping 349 matching lines @@
   TestStartOneTest(
       false, NetworkStats::PACKET_SIZE_TEST, 1500, 0, 1, net::SYNCHRONOUS);
 }
 
 TEST_F(NetworkStatsTest, StartPacketSizeTest1500BHasNoProxy) {
   TestStartOneTest(
       false, NetworkStats::PACKET_SIZE_TEST, 1500, 0, 1, net::ASYNC);
 }
 
 }  // namespace chrome_browser_net