Update {virtual,override,final} to follow C++11 style in net.

net/test/spawned_test_server/remote_test_server.h

 // 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.
 
 #ifndef NET_TEST_SPAWNED_TEST_SERVER_REMOTE_TEST_SERVER_H_
 #define NET_TEST_SPAWNED_TEST_SERVER_REMOTE_TEST_SERVER_H_
 
 #include <string>
 
 #include "net/test/spawned_test_server/base_test_server.h"
@@ skipping 11 matching lines @@
   RemoteTestServer(Type type,
                    const std::string& host,
                    const base::FilePath& document_root);
 
   // Initialize a TestServer with a specific set of SSLOptions.
   // |document_root| must be a relative path under the root tree.
   RemoteTestServer(Type type,
                    const SSLOptions& ssl_options,
                    const base::FilePath& document_root);
 
-  virtual ~RemoteTestServer();
+  ~RemoteTestServer() override;
 
   // Starts the Python test server on the host, instead of on the device, and
   // blocks until the server is ready.
   bool Start() WARN_UNUSED_RESULT;
 
   // These are currently unused and unimplemented for RemoteTestServer. See
   // the same methods in LocalTestServer for more information.
   bool StartInBackground() WARN_UNUSED_RESULT;
   bool BlockUntilStarted() WARN_UNUSED_RESULT;
 
@@ skipping 19 matching lines @@
   // the host machine.
   scoped_ptr<SpawnerCommunicator> spawner_communicator_;
 
   DISALLOW_COPY_AND_ASSIGN(RemoteTestServer);
 };
 
 }  // namespace net
 
 #endif  // NET_TEST_SPAWNED_TEST_SERVER_REMOTE_TEST_SERVER_H_