replace 'virtual ... OVERRIDE' with '... override'

base/sync_socket.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 BASE_SYNC_SOCKET_H_
 #define BASE_SYNC_SOCKET_H_
 
 // A socket abstraction used for sending and receiving plain
 // data.  Because the receiving is blocking, they can be used to perform
 // rudimentary cross-process synchronization with low latency.
@@ skipping 106 matching lines @@
   // a blocking Receive or Send.
   bool Shutdown();
 
 #if defined(OS_WIN)
   // Since the Linux and Mac implementations actually use a socket, shutting
   // them down from another thread is pretty simple - we can just call
   // shutdown().  However, the Windows implementation relies on named pipes
   // and there isn't a way to cancel a blocking synchronous Read that is
   // supported on <Vista. So, for Windows only, we override these
   // SyncSocket methods in order to support shutting down the 'socket'.
-  virtual bool Close() OVERRIDE;
-  virtual size_t Receive(void* buffer, size_t length) OVERRIDE;
-  virtual size_t ReceiveWithTimeout(void* buffer,
-                                    size_t length,
-                                    TimeDelta timeout) OVERRIDE;
+  bool Close() override;
+  size_t Receive(void* buffer, size_t length) override;
+  size_t ReceiveWithTimeout(void* buffer,
+                            size_t length,
+                            TimeDelta timeout) override;
 #endif
 
   // Send() is overridden to catch cases where the remote end is not responding
   // and we fill the local socket buffer. When the buffer is full, this
   // implementation of Send() will not block indefinitely as
   // SyncSocket::Send will, but instead return 0, as no bytes could be sent.
   // Note that the socket will not be closed in this case.
-  virtual size_t Send(const void* buffer, size_t length) OVERRIDE;
+  size_t Send(const void* buffer, size_t length) override;
 
  private:
 #if defined(OS_WIN)
   WaitableEvent shutdown_event_;
   WaitableEvent file_operation_;
 #endif
   DISALLOW_COPY_AND_ASSIGN(CancelableSyncSocket);
 };
 
 #if defined(OS_WIN) && !defined(COMPONENT_BUILD)
 // TODO(cpu): remove this once chrome is split in two dlls.
 __declspec(selectany)
     const SyncSocket::Handle SyncSocket::kInvalidHandle = INVALID_HANDLE_VALUE;
 #endif
 
 }  // namespace base
 
 #endif  // BASE_SYNC_SOCKET_H_