Standardize usage of virtual/override/final specifiers.

remoting/protocol/negotiating_authenticator_unittest.cc

 // Copyright (c) 2012 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 "base/bind.h"
 #include "net/base/net_errors.h"
 #include "remoting/base/rsa_key_pair.h"
 #include "remoting/protocol/authenticator_test_base.h"
 #include "remoting/protocol/channel_authenticator.h"
 #include "remoting/protocol/connection_tester.h"
@@ skipping 28 matching lines @@
 const char kTestPairedSecretBad[] = "4444-5555-6666";
 const char kTestPin[] = "123456";
 const char kTestPinBad[] = "654321";
 
 }  // namespace
 
 class NegotiatingAuthenticatorTest : public AuthenticatorTestBase {
  public:
   NegotiatingAuthenticatorTest() {
   }
-  virtual ~NegotiatingAuthenticatorTest() {
-  }
+  ~NegotiatingAuthenticatorTest() override {}
 
  protected:
   void InitAuthenticators(
       const std::string& client_id,
       const std::string& client_paired_secret,
       const std::string& client_interactive_pin,
       const std::string& host_secret,
       AuthenticationMethod::HashFunction hash_function,
       bool client_hmac_only) {
     std::string host_secret_hash = AuthenticationMethod::ApplyHashFunction(
@@ skipping 186 matching lines @@
   CreatePairingRegistry(true);
   ASSERT_NO_FATAL_FAILURE(InitAuthenticators(
       kTestClientId, kTestPairedSecretBad, kTestPinBad, kTestPin,
       AuthenticationMethod::HMAC_SHA256, false));
   ASSERT_NO_FATAL_FAILURE(RunAuthExchange());
   VerifyRejected(Authenticator::INVALID_CREDENTIALS);
 }
 
 }  // namespace protocol
 }  // namespace remoting