Remove using namespace in net/quic/quic_stream_sequencer.h

net/quic/crypto/aes_128_gcm_12_encrypter_test.cc

 // Copyright (c) 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/crypto/aes_128_gcm_12_encrypter.h"
 
+#include <string>
+
 #include "net/quic/test_tools/quic_test_utils.h"
 
 using base::StringPiece;
 
 namespace {
 
 // The AES GCM test vectors come from the file gcmEncryptExtIV128.rsp
 // downloaded from http://csrc.nist.gov/groups/STM/cavp/index.html on
 // 2013-02-01. The test vectors in that file look like this:
 //
@@ skipping 206 matching lines @@
   return new QuicData(ciphertext.release(), ciphertext_size, true);
 }
 
 TEST(Aes128Gcm12EncrypterTest, Encrypt) {
   for (size_t i = 0; i < arraysize(test_group_array); i++) {
     SCOPED_TRACE(i);
     const TestVector* test_vectors = test_group_array[i];
     const TestGroupInfo& test_info = test_group_info[i];
     for (size_t j = 0; test_vectors[j].key != nullptr; j++) {
       // Decode the test vector.
-      string key;
-      string iv;
-      string pt;
-      string aad;
-      string ct;
-      string tag;
+      std::string key;
+      std::string iv;
+      std::string pt;
+      std::string aad;
+      std::string ct;
+      std::string tag;
       ASSERT_TRUE(DecodeHexString(test_vectors[j].key, &key));
       ASSERT_TRUE(DecodeHexString(test_vectors[j].iv, &iv));
       ASSERT_TRUE(DecodeHexString(test_vectors[j].pt, &pt));
       ASSERT_TRUE(DecodeHexString(test_vectors[j].aad, &aad));
       ASSERT_TRUE(DecodeHexString(test_vectors[j].ct, &ct));
       ASSERT_TRUE(DecodeHexString(test_vectors[j].tag, &tag));
 
       // The test vector's lengths should look sane. Note that the lengths
       // in |test_info| are in bits.
       EXPECT_EQ(test_info.key_len, key.length() * 8);
@@ skipping 38 matching lines @@
 
 TEST(Aes128Gcm12EncrypterTest, GetCiphertextSize) {
   Aes128Gcm12Encrypter encrypter;
   EXPECT_EQ(1012u, encrypter.GetCiphertextSize(1000));
   EXPECT_EQ(112u, encrypter.GetCiphertextSize(100));
   EXPECT_EQ(22u, encrypter.GetCiphertextSize(10));
 }
 
 }  // namespace test
 }  // namespace net