crypto: Remove forbidden using namespace directive.

crypto/p224_spake_unittest.cc

 // Copyright (c) 2011 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 <crypto/p224_spake.h>
 
 #include "base/logging.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-using namespace crypto;
+namespace crypto {
+
+namespace {
 
 bool RunExchange(P224EncryptedKeyExchange* client,
                  P224EncryptedKeyExchange* server) {
 
   for (;;) {
     std::string client_message, server_message;
     client_message = client->GetMessage();
     server_message = server->GetMessage();
 
     P224EncryptedKeyExchange::Result client_result, server_result;
@@ skipping 14 matching lines @@
     if (client_result == P224EncryptedKeyExchange::kResultSuccess &&
         server_result == P224EncryptedKeyExchange::kResultSuccess) {
       return true;
     }
 
     CHECK_EQ(P224EncryptedKeyExchange::kResultPending, client_result);
     CHECK_EQ(P224EncryptedKeyExchange::kResultPending, server_result);
   }
 }
 
-static const char kPassword[] = "foo";
+const char kPassword[] = "foo";
+
+}  // namespace
 
 TEST(MutualAuth, CorrectAuth) {
   P224EncryptedKeyExchange client(
       P224EncryptedKeyExchange::kPeerTypeClient, kPassword);
   P224EncryptedKeyExchange server(
       P224EncryptedKeyExchange::kPeerTypeServer, kPassword);
 
   EXPECT_TRUE(RunExchange(&client, &server));
   EXPECT_EQ(client.GetKey(), server.GetKey());
 }
@@ skipping 59 matching lines @@
         break;
       }
 
       ASSERT_EQ(P224EncryptedKeyExchange::kResultPending,
                 client_result);
       ASSERT_EQ(P224EncryptedKeyExchange::kResultPending,
                 server_result);
     }
   }
 }
+
+}  // namespace crypto