Standardize usage of virtual/override/final in net/

net/server/http_connection.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_SERVER_HTTP_CONNECTION_H_
 #define NET_SERVER_HTTP_CONNECTION_H_
 
 #include <queue>
 #include <string>
 
@@ skipping 41 matching lines @@
     // Removes consumed data and moves unconsumed data to the start of buffer.
     void DidConsume(int bytes);
 
     // Limit of how much internal capacity can increase.
     int max_buffer_size() const { return max_buffer_size_; }
     void set_max_buffer_size(int max_buffer_size) {
       max_buffer_size_ = max_buffer_size;
     }
 
    private:
-    virtual ~ReadIOBuffer();
+    ~ReadIOBuffer() override;
 
     scoped_refptr<GrowableIOBuffer> base_;
     int max_buffer_size_;
 
     DISALLOW_COPY_AND_ASSIGN(ReadIOBuffer);
   };
 
   // IOBuffer of pending data to write which has a queue of pending data. Each
   // pending data is stored in std::string.  data() is the data of first
   // std::string stored.
@@ skipping 21 matching lines @@
     // Total size of all pending data.
     int total_size() const { return total_size_; }
 
     // Limit of how much data can be pending.
     int max_buffer_size() const { return max_buffer_size_; }
     void set_max_buffer_size(int max_buffer_size) {
       max_buffer_size_ = max_buffer_size;
     }
 
    private:
-    virtual ~QueuedWriteIOBuffer();
+    ~QueuedWriteIOBuffer() override;
 
     std::queue<std::string> pending_data_;
     int total_size_;
     int max_buffer_size_;
 
     DISALLOW_COPY_AND_ASSIGN(QueuedWriteIOBuffer);
   };
 
   HttpConnection(int id, scoped_ptr<StreamSocket> socket);
   ~HttpConnection();
@@ skipping 13 matching lines @@
   const scoped_refptr<QueuedWriteIOBuffer> write_buf_;
 
   scoped_ptr<WebSocket> web_socket_;
 
   DISALLOW_COPY_AND_ASSIGN(HttpConnection);
 };
 
 }  // namespace net
 
 #endif  // NET_SERVER_HTTP_CONNECTION_H_