Remove using namespace in net/quic/quic_stream_sequencer.h

net/quic/quic_crypto_server_stream_test.cc

Index: net/quic/quic_crypto_server_stream_test.cc
diff --git a/net/quic/quic_crypto_server_stream_test.cc b/net/quic/quic_crypto_server_stream_test.cc
index f3ea48a475e8bf4abcf06716fd7a2a6072bddb46..d22a51f7a49594bb1a9e8a2c7b2a9d5966258489 100644
--- a/net/quic/quic_crypto_server_stream_test.cc
+++ b/net/quic/quic_crypto_server_stream_test.cc
@@ -5,6 +5,7 @@
 #include "net/quic/quic_crypto_server_stream.h"
 
 #include <map>
+#include <string>
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
@@ -39,11 +40,12 @@ namespace test {
 
 class QuicCryptoServerConfigPeer {
  public:
-  static string GetPrimaryOrbit(const QuicCryptoServerConfig& config) {
+  static std::string GetPrimaryOrbit(const QuicCryptoServerConfig& config) {
     base::AutoLock lock(config.configs_lock_);
     CHECK(config.primary_config_.get() != nullptr);
-    return string(reinterpret_cast<const char*>(config.primary_config_->orbit),
-                  kOrbitSize);
+    return std::string(
+        reinterpret_cast<const char*>(config.primary_config_->orbit),
+        kOrbitSize);
   }
 };
 
@@ -75,7 +77,7 @@ class QuicCryptoServerStreamTest : public ::testing::TestWithParam<bool> {
         session_.config(), &crypto_config_);
 
     if (AsyncStrikeRegisterVerification()) {
-      string orbit =
+      std::string orbit =
           QuicCryptoServerConfigPeer::GetPrimaryOrbit(crypto_config_);
       strike_register_client_ = new DelayedVerifyStrikeRegisterClient(
           10000,  // strike_register_max_entries