Fix closing namespace comments in //net.

net/http/http_auth_multi_round_parse_unittest.cc

 // Copyright 2015 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/http_auth_challenge_tokenizer.h"
 #include "net/http/http_auth_multi_round_parse.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace net {
 
@@ skipping 57 matching lines @@
      ParseAnotherNegotiateChallenge_InvalidToken) {
   std::string challenge_text = "Negotiate ***";
   HttpAuthChallengeTokenizer challenge(challenge_text.begin(),
                                        challenge_text.end());
   std::string encoded_token;
   std::string decoded_token;
   EXPECT_EQ(HttpAuth::AUTHORIZATION_RESULT_INVALID,
             ParseLaterRoundChallenge("negotiate", &challenge, &encoded_token,
                                      &decoded_token));
 }
-}
+
+}  // namespace net