Standardize usage of virtual/override/final in net/

net/socket/socket_libevent.h

 // Copyright 2014 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_SOCKET_SOCKET_LIBEVENT_H_
 #define NET_SOCKET_SOCKET_LIBEVENT_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/threading/thread_checker.h"
 #include "net/base/completion_callback.h"
 #include "net/base/net_util.h"
 #include "net/socket/socket_descriptor.h"
 
 namespace net {
 
 class IOBuffer;
 class IPEndPoint;
 
 // Socket class to provide asynchronous read/write operations on top of the
 // posix socket api. It supports AF_INET, AF_INET6, and AF_UNIX addresses.
 class NET_EXPORT_PRIVATE SocketLibevent
     : public base::MessageLoopForIO::Watcher {
  public:
   SocketLibevent();
-  virtual ~SocketLibevent();
+  ~SocketLibevent() override;
 
   // Opens a socket and returns net::OK if |address_family| is AF_INET, AF_INET6
   // or AF_UNIX. Otherwise, it does DCHECK() and returns a net error.
   int Open(int address_family);
   // Takes ownership of |socket|.
   int AdoptConnectedSocket(SocketDescriptor socket,
                            const SockaddrStorage& peer_address);
   // Releases ownership of |socket_fd_| to caller.
   SocketDescriptor ReleaseConnectedSocket();
 
@@ skipping 33 matching lines @@
   void SetPeerAddress(const SockaddrStorage& address);
   // Returns true if peer address has been set regardless of socket state.
   bool HasPeerAddress() const;
 
   void Close();
 
   SocketDescriptor socket_fd() const { return socket_fd_; }
 
  private:
   // base::MessageLoopForIO::Watcher methods.
-  virtual void OnFileCanReadWithoutBlocking(int fd) override;
-  virtual void OnFileCanWriteWithoutBlocking(int fd) override;
+  void OnFileCanReadWithoutBlocking(int fd) override;
+  void OnFileCanWriteWithoutBlocking(int fd) override;
 
   int DoAccept(scoped_ptr<SocketLibevent>* socket);
   void AcceptCompleted();
 
   int DoConnect();
   void ConnectCompleted();
 
   int DoRead(IOBuffer* buf, int buf_len);
   void ReadCompleted();
 
@@ skipping 27 matching lines @@
   scoped_ptr<SockaddrStorage> peer_address_;
 
   base::ThreadChecker thread_checker_;
 
   DISALLOW_COPY_AND_ASSIGN(SocketLibevent);
 };
 
 }  // namespace net
 
 #endif  // NET_SOCKET_SOCKET_LIBEVENT_H_