Standardize usage of virtual/override/final in content/browser/

content/browser/loader/buffered_resource_handler.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 "content/browser/loader/buffered_resource_handler.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/logging.h"
@@ skipping 55 matching lines @@
 
 // Used to write into an existing IOBuffer at a given offset.
 class DependentIOBuffer : public net::WrappedIOBuffer {
  public:
   DependentIOBuffer(net::IOBuffer* buf, int offset)
       : net::WrappedIOBuffer(buf->data() + offset),
         buf_(buf) {
   }
 
  private:
-  virtual ~DependentIOBuffer() {}
+  ~DependentIOBuffer() override {}
 
   scoped_refptr<net::IOBuffer> buf_;
 };
 
 }  // namespace
 
 BufferedResourceHandler::BufferedResourceHandler(
     scoped_ptr<ResourceHandler> next_handler,
     ResourceDispatcherHostImpl* host,
     net::URLRequest* request)
@@ skipping 407 matching lines @@
   request()->LogUnblocked();
   bool defer = false;
   if (!ProcessResponse(&defer)) {
     controller()->Cancel();
   } else if (!defer) {
     controller()->Resume();
   }
 }
 
 }  // namespace content