Standardize usage of virtual/override/final in net/

net/test/spawned_test_server/local_test_server.h

 // Copyright 2013 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_LOCAL_TEST_SERVER_H_
 #define NET_TEST_SPAWNED_TEST_SERVER_LOCAL_TEST_SERVER_H_
 
 #include <string>
 
 #include "base/files/file_util.h"
@@ skipping 20 matching lines @@
   LocalTestServer(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.
   LocalTestServer(Type type,
                   const SSLOptions& ssl_options,
                   const base::FilePath& document_root);
 
-  virtual ~LocalTestServer();
+  ~LocalTestServer() override;
 
   // Start the test server and block until it's ready. Returns true on success.
   bool Start() WARN_UNUSED_RESULT;
 
   // Start the test server without blocking. Use this if you need multiple test
   // servers (such as WebSockets and HTTP, or HTTP and HTTPS). You must call
   // BlockUntilStarted on all servers your test requires before executing the
   // test. For example:
   //
   //   // Start the servers in parallel.
@@ skipping 55 matching lines @@
   // The file descriptor the child writes to when it starts.
   base::ScopedFD child_fd_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(LocalTestServer);
 };
 
 }  // namespace net
 
 #endif  // NET_TEST_SPAWNED_TEST_SERVER_LOCAL_TEST_SERVER_H_