Standardize usage of virtual/override/final specifiers.

net/socket/transport_client_socket_unittest.cc

 // 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.
 
 #include "net/socket/tcp_client_socket.h"
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "net/base/address_list.h"
@@ skipping 44 matching lines @@
   void DidRead(StreamListenSocket*, const char* str, int len) override {
     // TODO(dkegel): this might not be long enough to tickle some bugs.
     connected_sock_->Send(kServerReply, arraysize(kServerReply) - 1,
                           false /* Don't append line feed */);
     if (close_server_socket_on_next_send_)
       CloseServerSocket();
   }
   void DidClose(StreamListenSocket* sock) override {}
 
   // Testcase hooks
-  virtual void SetUp();
+  void SetUp() override;
 
   void CloseServerSocket() {
     // delete the connected_sock_, which will close it.
     connected_sock_.reset();
   }
 
   void PauseServerReads() {
     connected_sock_->PauseReads();
   }
 
@@ skipping 365 matching lines @@
 
   // It's possible the read is blocked because it's already read all the data.
   // Close the server socket, so there will at least be a 0-byte read.
   CloseServerSocket();
 
   rv = callback.WaitForResult();
   EXPECT_GE(rv, 0);
 }
 
 }  // namespace net