Remove using namespace in net/quic/quic_stream_sequencer.h

net/http/disk_cache_based_quic_server_info_unittest.cc

 // 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.
 
 #include "net/http/disk_cache_based_quic_server_info.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/compiler_specific.h"
 #include "base/message_loop/message_loop.h"
 #include "net/base/net_errors.h"
 #include "net/http/mock_http_cache.h"
 #include "net/quic/crypto/quic_server_info.h"
 #include "net/quic/quic_server_id.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+using std::string;
+
 namespace net {
 namespace {
 
 // This is an empty transaction, needed to register the URL and the test mode.
 const MockTransaction kHostInfoTransaction1 = {
   "quicserverinfo:https://www.google.com:443",
   "",
   base::Time(),
   "",
   LOAD_NORMAL,
@@ skipping 549 matching lines @@
   EXPECT_EQ(server_config_a, state1.server_config);
   EXPECT_EQ(source_address_token_a, state1.source_address_token);
   EXPECT_EQ(server_config_sig_a, state1.server_config_sig);
   EXPECT_EQ(1U, state1.certs.size());
   EXPECT_EQ(cert_a, state1.certs[0]);
 
   RemoveMockTransaction(&kHostInfoTransaction1);
 }
 
 }  // namespace net