Remove using namespace in net/quic/quic_stream_sequencer.h

net/quic/crypto/chacha20_poly1305_encrypter_test.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/quic/crypto/chacha20_poly1305_encrypter.h"
 
 #include "net/quic/test_tools/quic_test_utils.h"
 
 using base::StringPiece;
+using std::string;
 
 namespace {
 
 // The test vectors come from draft-agl-tls-chacha20poly1305-04 Section 7.
 
 // Each test vector consists of five strings of lowercase hexadecimal digits.
 // The strings may be empty (zero length). A test vector with a NULL |key|
 // marks the end of an array of test vectors.
 struct TestVector {
   const char* key;
@@ skipping 79 matching lines @@
 
 TEST(ChaCha20Poly1305EncrypterTest, GetCiphertextSize) {
   ChaCha20Poly1305Encrypter encrypter;
   EXPECT_EQ(1012u, encrypter.GetCiphertextSize(1000));
   EXPECT_EQ(112u, encrypter.GetCiphertextSize(100));
   EXPECT_EQ(22u, encrypter.GetCiphertextSize(10));
 }
 
 }  // namespace test
 }  // namespace net