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

net/test/spawned_test_server/spawner_communicator.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_SPAWNER_COMMUNICATOR_H_
 #define NET_TEST_SPAWNED_TEST_SERVER_SPAWNER_COMMUNICATOR_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 43 matching lines @@
 // Method: "GET".
 // Data to server: None.
 // Data from server: String "ready" returned if success.
 //
 // The internal I/O thread is required by net stack to perform net I/O.
 // The Start/StopServer methods block the caller thread until result is
 // fetched from spawner server or timed-out.
 class SpawnerCommunicator : public net::URLRequest::Delegate {
  public:
   explicit SpawnerCommunicator(uint16 port);
-  virtual ~SpawnerCommunicator();
+  ~SpawnerCommunicator() override;
 
   // Starts an instance of the Python test server on the host/ machine.
   // If successfully started, returns true, setting |*port| to the port
   // on the local machine that can be used to communicate with the remote
   // test server.
   bool StartServer(const std::string& arguments,
                    uint16* port) WARN_UNUSED_RESULT;
 
   bool StopServer() WARN_UNUSED_RESULT;
 
@@ skipping 18 matching lines @@
                                    int* result_code,
                                    std::string* data_received);
 
   // Performs the command sending on the IO thread. Called on the IO thread.
   void SendCommandAndWaitForResultOnIOThread(const std::string& command,
                                              const std::string& post_data,
                                              int* result_code,
                                              std::string* data_received);
 
   // URLRequest::Delegate methods. Called on the IO thread.
-  virtual void OnResponseStarted(URLRequest* request) override;
-  virtual void OnReadCompleted(URLRequest* request, int num_bytes) override;
+  void OnResponseStarted(URLRequest* request) override;
+  void OnReadCompleted(URLRequest* request, int num_bytes) override;
 
   // Reads Result from the response. Called on the IO thread.
   void ReadResult(URLRequest* request);
 
   // Called on the IO thread upon completion of the spawner command.
   void OnSpawnerCommandCompleted(URLRequest* request);
 
   // Callback on the IO thread for time-out task of request with id |id|.
   void OnTimeout(int id);
 
@@ skipping 27 matching lines @@
   // Factory for creating the time-out task. This takes care of revoking
   // outstanding tasks when |this| is deleted.
   base::WeakPtrFactory<SpawnerCommunicator> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SpawnerCommunicator);
 };
 
 }  // namespace net
 
 #endif  // NET_TEST_SPAWNED_TEST_SERVER_SPAWNER_COMMUNICATOR_H_